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Qwt User's Guide - Parent Directory

1. QwtAnalogClock Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 25 QwtDoubleRange Class Reference 113 Public Member Functions QwtDoubleRange virtual QwtDoubleRange void setRange double vmin double vmax double vstep 0 0 int pagesize 1 void set Valid bool bool is Valid const virtual void set Value double double value const void setPeriodic bool tf bool periodic const void setStep double double step const double max Value const double min Value const int pageSize const virtual void inc Value int virtual void incPages int virtual void fit Value double Protected Member Functions double exact Value const double exactPrev Value const double prevValue const virtual void valueChange virtual void stepChange virtual void rangeChange 12 25 1 Detailed Description A class which controls a value within an interval This class is useful as a base class or a member for sliders It represents an interval of type double within which a value can be moved The value can be either an arbitrary point inside the interval see QwtDoubleRange setValue or it can be fitted into a step raster see QwtDoubleRange fitValue and QwtDoubleRange inc Value As a special case a QwtDoubleRange can be periodic which means that a value outside the interval will be mapped to a value inside the interval when QwtDoubleRange set Value
2. ee eee 47 126 QwtArayData lass Referente s pea onea ane a A 49 128 1 Detailed Description o lt cs cotie bw iaa a EE eee 50 12 8 2 Constructor amp Destructor Documentation soosoo a 50 12 8 3 Member Function Documentation pes iaa 50 12 9 QwtArrowButton Class Reference 6 6s ee ee ee ee s 52 129 1 Detaled Description oes es ee a eG SOE ars 52 12 9 2 Constructor amp Destructor Documentation o 53 12 9 3 Member Function Documentation e 53 12 10Q hwtChpper Class Reference oso SEH EE RA os 55 12 10 1 Detailed Description lt e e sees a ee we 55 12 10 2 Member Function Documentation re me reda aeae 55 1211QwtColorMap Class Reference oo c e 6h ce SE ea a sd AR 56 12 11 1 Detailed Description ooo cases sa A 57 12 11 2 Member Enumeration Documentation 37 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen CONTENTS iii 12 11 3 Constructor amp Destructor Documentation o e a 37 12 11 4 Member Function Documentation e e 58 12 12QwtCompass Class Reference 20 so rss ess 59 12 12 1 Detailed Description lt lt eR a Sw wee 60 12 12 2 Constructor amp Destructor Documentation cios sara Bae 61 12 12 3 Member Function Documentation sps sss be eb ee Ee ee 61 12 13QwtCompassMagnetNeedle Class Reference o o
3. e 431 12 86QwtThermo Class Referente 0 lt lt a Re ERR eS 433 12 86 1 Detailed Description lt c esee o soso ee wee 435 12 86 2 Constructor amp Destructor Documentation s sooo 008 436 12 86 3 Member Function Documentation e 436 12 87QwtWheel Class Reference egpas ee ii Sa gE e a e e 444 12 87 1 Detailed Description lt o coce nee eee ee a ad 445 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 1 Qwt Qt Widgets for Technical Applications 1 12 87 2 Constructor amp Destructor Documentation 445 12 87 3 Member Function Documentation 0 0 00000 eee ee eee 445 1 Qwt Qt Widgets for Technical Applications The Qwt library contains GUI Components and utility classes which are primarily useful for programs with a technical background Beside a 2D plot widget it provides scales sliders dials compasses thermometers wheels and knobs to control or display values arrays or ranges of type double 1 1 License Qwt is distributed under the terms of the Qwt License Version 1 0 1 2 Platforms Qwt 5 x might be usable in all environments where you find Ot It is compatible with Qt 3 3 x and Qt 4 x but the documentation is generated for Qt 4 x 1 3 Screenshots e Curve Plots e Scatter Plot e Spectrogram Contour Plot e Histogram e Dials Compasses Knobs Wheels Sliders Thermos Screenshots a
4. Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 2 Qwt License Version 1 0 Library will not necessarily be able to recompile the application to use the modified definitions b Use a suitable shared library mechanism for linking with the Library A suitable mechanism is one that 1 uses at run time a copy of the library already present on the user s computer system rather than copying library functions into the executable and 2 will operate properly with a modified version of the library if the user installs one as long as the modified version is interface compatible with the version that the work was made with c Accompany the work with a written offer valid for at least three years to give the same user the materials specified in Subsection 6a above for a charge no more than the cost of performing this distribution d If distribution of the work is made by offering access to copy from a designated place offer equivalent access to copy the above specified materials from the same place e Verify that the user has already received a copy of these materials or that you have already sent this user a copy For an executable the required form of the work that uses the Library must include any data and utility programs needed for reproducing the executable from it However as a special exception the materials to be distributed need not include anything that is normally distributed in
5. 12 39 1 Detailed Description A collection of QPainter workarounds 1 Clipping to coordinate system limits Qt3 only On X11 pixel coordinates are stored in shorts Qt produces overruns when mapping QCOORDS to shorts 2 Scaling to device metrics QPainter scales fonts line and fill patterns to the metrics of the paint device Other values like the geome tries of rects points remain device independend To enable a device independent widget implementation QwtPainter adds scaling of these geometries Unfortunately QPainter scale scales both types of paintings so the objects of the first type would be scaled twice 12 39 2 Member Function Documentation 12 39 2 1 bool QwtPainter deviceClipping inline static Returns whether device clipping is enabled On X11 the default is enabled otherwise it is disabled See also QwtPainter setDeviceClipping 12 39 2 2 const QRect amp QwtPainter deviceClipRect static Returns rect for device clipping See also QwtPainter setDeviceClipping 12 39 2 3 void QwtPainter drawEllipse QPainter gt painter const QRect rect static Wrapper for QPainter drawEllipse Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 39 QwtPainter Class Reference 176 12 39 2 4 void QwtPainter drawLine QPainter painter const QPoint amp p1 const QPoint amp p2 inline static Wrapper for QPainter drawLine 12 39 2 5 void QwtPainter draw
6. Parameters wrapping en disables wrapping See also wrapping QwtDoubleRange periodic Note The meaning of wrapping is like the wrapping property of QSpinBox but not like it is used in QDial 12 20 4 42 void QwtDial showBackground bool show Show Hide the area outside of the frame Parameters show Show if true hide if false Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 20 QwtDial Class Reference 98 See also has VisibleBackground setMask Warning When QwtDial is a toplevel widget the window border might disappear too 12 20 4 43 QSize QwtDial sizeHint const virtual Returns Size hint 12 20 4 44 void QwtDial updateMask protected virtual Update the mask of the dial In case of has VisibleBackground false the backgound is transparent by a mask See also showBackground has VisibleBackground 12 20 4 45 void QwtDial updateScale protected Update the scale with the current attributes See also setScale 12 20 4 46 void QwtDial valueChange protected virtual QwtDoubleRange update hook Reimplemented from QwtAbstractSlider 12 20 4 47 bool QwtDial wrapping const wrapping holds whether it is possible to step the value from the highest value to the lowest value and vice versa See also setWrapping QwtDoubleRange setPeriodic Note The meaning of wrapping is like the wrapping property of QS
7. See also setAxisMaxMajor setAxisAutoScale 12 49 4 61 void QwtPlot setAxisScaleDiv int axisId const QwtScaleDiv amp scaleDiv Disable autoscaling and specify a fixed scale for a selected axis Parameters axisId axis index scaleDiv Scale division See also setAxisScale setAxisAutoScale 12 49 4 62 void QwtPlot setAxisScaleDraw int axisId QwtScaleDraw x scaleDraw Set a scale draw Parameters axisId axis index scaleDraw object responsible for drawing scales By passing scaleDraw it is possible to extend QwtScaleDraw functionality and let it take place in QwtPlot Please note that scaleDraw has to be created with new and will be deleted by the corresponding QwtScale member like a child object See also QwtScaleDraw QwtScaleWidget Warning The attributes of scaleDraw will be overwritten by those of the previous QwtScaleDraw Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 232 12 49 4 63 void QwtPlot setAxisScaleEngine int axisId QwtScaleEngine scaleEngine Change the scale engine for an axis Parameters axisId axis index scaleEngine Scale engine See also axisScaleEngine 12 49 4 64 void QwtPlot setAxisTitle int axisId const QwtText amp title Change the title of a specified axis Parameters axisId axis index title axis title 12 49 4 65 void QwtPlot setAxisTitle int axisId const QStrin
8. 12 11 3 1 QwtColorMap QwtColorMap Format format QwtColorMap RGB Constructor 12 11 3 2 QwtColorMap QwtColorMap virtual Destructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 11 QwtColorMap Class Reference 58 12 11 4 Member Function Documentation 12 11 4 1 QColor QwtColorMap color const QwtDoubleInterval amp interval double value const inline Map a value into a color Parameters interval Valid interval for values value Value Returns Color corresponding to value Warning This method is slow for Indexed color maps If it is necessary to map many values its better to get the color table once and find the color using colorIndex 12 11 4 2 virtual unsigned char QwtColorMap colorIndex const QwtDoubleInterval amp interval double value const pure virtual Map a value of a given interval into a color index Parameters interval Range for the values value Value Returns color index corresponding to value Implemented in QwtLinearColorMap 12 11 4 3 QwtColorTable QwtColorMap colorTable const QwtDoubleInterval amp interval const virtual Build and return a color map of 256 colors The color table is needed for rendering indexed images in combination with using colorIndex Parameters interval Range for the values Returns A color table that can be used for a QImage Generated on Sun Apr 11 11 55 09 2010 for Qwt User
9. 12 70 3 7 void QwtRoundScaleDraw moveCenter int x int y inline Move the center of the scale draw leaving the radius unchanged 12 70 3 8 QwtRoundScaleDraw amp QwtRoundScaleDraw operator const QwtRoundScaleDraw amp other Assignment operator 12 70 3 9 int QwtRoundScaleDraw radius const Get the radius Radius is the radius of the backbone without ticks and labels See also setRadius extent 12 70 3 10 void QwtRoundScaleDraw setAngleRange double angle1 double angle2 Adjust the baseline circle segment for round scales The baseline will be drawn from min anglel angle2 to max anglel angle2 The default setting is 135 135 An angle of 0 degrees corresponds to the 12 o clock position and positive angles count in a clockwise direction Parameters anglel angle2 boundaries of the angle interval in degrees Warning e The angle range is limited to 360 360 degrees Angles exceeding this range will be clipped e For angles more than 359 degrees above or below min anglel angle2 scale marks will not be drawn e If you need a counterclockwise scale use QwtScaleDiv setRange Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 71 QwtScaleArithmetic Class Reference 358 12 70 3 11 void QwtRoundScaleDraw setRadius int radius Change of radius the scale Radius is the radius of the backbone without ticks and labels Parameters radius New Radiu
10. Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 20 QwtDial Class Reference e enum Mode RotateNeedle RotateScale e enum Direction Clockwise CounterClockwise Public Member Functions e QwtDial QWidget parent NULL virtual QwtDial O void setFrameShadow Shadow Shadow frameShadow const bool hasVisibleBackground const void showBackground bool void setLine Width int int line Width const void setMode Mode Mode mode const virtual void setWrapping bool bool wrapping const virtual void setScale int maxMajIntv int maxMinIntv double step 0 0 void setScaleArc double min double max void setScaleOptions int void setScaleTicks int minLen int medLen int majLen int penWidth 1 double minScaleArc const double maxScaleArc const virtual void setOrigin double double origin const void setDirection Direction Direction direction const virtual void setNeedle QwtDialNeedle const QwtDialNeedle x needle const QwtDialNeedle x needle QRect boundingRect const QRect contentsRect const virtual QRect scaleContentsRect const virtual QSize sizeHint const virtual QSize minimumSizeHint const virtual void setScaleDraw QwtDialScaleDraw QwtDialScaleDraw x scaleDraw const QwtDialScaleDraw x scaleDraw const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 20 QwtDial Class R
11. Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 5 QwtAbstractSlider Class Reference 37 This function is abstract and has to be implemented by derived classes It is called on a mousePress event The derived class can determine what should happen next in dependence of the position where the mouse was pressed by returning scrolling mode and direction QwtAbstractSlider knows the following modes QwtAbstractSlider ScrNone Scrolling switched off Don t change the value QwtAbstractSlider ScrMouse Change the value while the user keeps the button pressed and moves the mouse QwtAbstractSlider ScrTimer Automatic scrolling Increment the value in the specified direction as long as the user keeps the button pressed QwtAbstractSlider ScrPage Automatic scrolling Same as ScrTimer but increment by page size Parameters p point where the mouse was pressed Return values scrollMode The scrolling mode direction direction 1 0 or 1 Implemented in QwtDial QwtSlider and QwtWheel 12 5 4 3 virtual double QwtAbstractSlider getValue const QPoint p protected pure virtual Determine the value corresponding to a specified poind This is an abstract virtual function which is called when the user presses or releases a mouse button or moves the mouse It has to be implemented by the derived class Parameters p point Implemented in QwtDial QwtSlider and QwtWheel 12 5 4 4 void QwtAbst
12. Parameters painter Painter rect Bounding rectangle 12 49 4 48 void QwtPlot printLegendItem QPainter x painter const QWidget w const QRect amp rect const protected virtual Print the legend item into a given rectangle Parameters painter Painter w Widget representing a legend item rect Bounding rectangle Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 228 12 49 4 49 void QwtPlot printScale QPainter painter int axisId int startDist int endDist int baseDist const QRect amp rect const protected virtual Paint a scale into a given rectangle Paint the scale into a given rectangle Parameters painter Painter axisId Axis startDist Start border distance endDist End border distance baseDist Base distance rect Bounding rectangle 12 49 4 50 void QwtPlot printTitle QPainter x painter const QRect amp rect const protected virtual Print the title into a given rectangle Parameters painter Painter rect Bounding rectangle 12 49 4 51 void QwtPlot replot Q virtual slot Redraw the plot If the autoReplot option is not set which is the default or if any curves are attached to raw data the plot has to be refreshed explicitly in order to make changes visible See also setAutoReplot Warning Calls canvas gt repaint take care of infinite recursions 12 49 4 52 void QwtPlot resizeEvent QResizeEvent xe
13. e QwtIntervalData const QwtArray lt QwtDoublelnterval gt amp const QwtArray lt double gt amp QwitintervalData void setData const QwtArray lt QwtDoublelInterval gt amp const QwtArray lt double gt amp size_t size const const QwtDoubleInterval amp interval size_t i const double value size_t 1 const e QwtDoubleRect boundingRect const 12 28 1 Detailed Description Series of samples of a value and an interval QwtIntervalData is a series of samples of a value and an interval Fe error bars are built from samples x y1 y2 while a histogram might consist of x1 x2 y samples 12 28 2 Constructor amp Destructor Documentation 12 28 2 1 QwtIntervalData QwtIntervalData Constructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 28 QwtIntervalData Class Reference 133 12 28 2 2 QwtIntervalData QwtIntervalData const QwtArray lt QwtDoubleInterval gt amp intervals const QwtArray lt double gt amp values Constructor 12 28 2 3 QwtIntervalData QwtIntervalData Destructor 12 28 3 Member Function Documentation 12 28 3 1 QwtDoubleRect QwtIntervalData boundingRect const Calculate the bounding rectangle of the samples The x coordinates of the rectangle are built from the intervals the y coordinates from the values Returns Bounding rectangle 12 28 3 2 const QwtDoublelnterval amp QwtIntervalData interval size_t i const
14. e enum LegendDisplayPolicy Noldentifier 0 FixedIdentifier 1 Autoldentifier 2 e enum LegendItemMode ReadOnlyltem ClickableItem Checkableltem Public Member Functions e QwtLegend QWidget parent NULL virtual QwtLegend void setDisplayPolicy LegendDisplayPolicy policy int mode LegendDisplayPolicy displayPolicy const void setltemMode LegendItemMode LegendItemMode itemMode const int identifierMode const QWidget x contentsWidget const QWidget x contents Widget const void insert const QwtLegendItemManager QWidget x void remove const QwtLegendItemManager e QWidget find const QwtLegendItemManager const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 30 QwtLegend Class Reference 140 QwtLegendItemManager x find const QWidget const virtual QList lt QWidget x gt legendItems const void clear bool isEmpty const uint itemCount const virtual bool eventFilter QObject x QEvent x virtual QSize sizeHint const virtual int heightForWidth int w const e QScrollBar x horizontalScrollBar const e QScrollBar x verticalScrollBar const Protected Member Functions e virtual void resizeEvent QResizeEvent x e virtual void layoutContents 12 30 1 Detailed Description The legend widget The QwtLegend widget is a tabular arrangement of legend items Legend items might be any type of widget but in general
15. the length is limited to 0 1000 12 4 4 20 void QwtAbstractScaleDraw setTransformation QwtScaleTransformation transformation Change the transformation of the scale Parameters transformation New scale transformation 12 4 4 21 int QwtAbstractScaleDraw spacing const Get the spacing The spacing is the distance between ticks and labels The default spacing is 4 pixels See also setSpacing 12 4 4 22 const QwtText amp QwtAbstractScaleDraw tickLabel const QFont amp font double value const protected Convert a value into its representing label and cache it The conversion between value and label is called very often in the layout and painting code Unfortunately the calculation of the label sizes might be slow really slow for rich text in Qt4 so it s necessary to cache the labels Parameters font Font value Value Returns Tick label Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 5 QwtAbstractSlider Class Reference 34 12 4 4 23 int QwtAbstractScaleDraw tickLength QwtScaleDiv TickType tickType const Return the length of the ticks See also setTickLength majTickLength 12 5 QwtAbstractSlider Class Reference An abstract base class for slider widgets include lt qwt_abstract_slider h gt Inheritance diagram for QwtAbstractSlider QwtDoubleRange QwtAbstractSlider QwtAnalogClock Public Types e enum ScrollM
16. INDEX 456 drawScaleContents enable Y Min QwtCompass 61 QwtPlotGrid 261 QwtDial 89 end drawSimpleRichText QwtPicker 192 QwtPainter 176 QwtPlotPicker 300 drawSlider QwtPlotZoomer 340 QwtSlider 400 endBorderDist drawSteps QwtScale Widget 387 QwtPlotCurve 249 event drawSticks QwtCounter 73 QwtPlotCurve 249 QwtPlot 223 drawStyle1 Needle eventFilter QwtCompassWindArrow 70 QwtLegend 142 drawStyle2Needle QwtMagnifier 164 QwtCompassWindArrow 70 QwtPanner 180 drawSymbols QwtPicker 193 QwtPlotCurve 249 QwtPlotRescaler 314 drawText exactPrev Value QwtLegendItem 148 QwtDoubleRange 114 QwtPainter 177 exactValue QwtTextLabel 431 QwtDoubleRange 114 drawThermo expandingDirection QwtThermo 437 QwtPlotRescaler 314 drawThinNeedle expandingDirections QwtCompassMagnetNeedle 66 QwtDynGridLayout 120 drawThumb expandInterval QwtSlider 400 QwtPlotRescaler 314 drawTick expandLineBreaks QwtAbstractScaleDraw 29 QwtPlotLayout 279 QwtRoundScaleDraw 356 expandScale QwtScaleDraw 367 QwtPlotRescaler 315 drawTitle extend QwtScaleWidget 387 QwtDoubleInterval 107 drawTracker extent QwtPicker 192 QwtAbstractScaleDraw 30 draw TriangleNeedle QwtRoundScaleDraw 356 QwtCompassMagnetNeedle 66 draw Wheel QwtWheel 445 draw WheelBackground QwtWheel 446 editable QwtCounter 73 enableAxis QwtPlot 223 enableComponent QwtAbstractScaleDraw 30 enableX QwtPlotGrid 260 enableX Min QwtPlotGrid 260 enable Y QwtPlotGr
17. QwtDoubleRange fitValue QwtDoubleRange incValue or QwtDoubleRange incPages are called 12 25 2 Constructor amp Destructor Documentation 12 25 2 1 QwtDoubleRange QwtDoubleRange The range is initialized to 0 0 100 0 the step size to 1 0 and the value to 0 0 12 25 2 2 QwtDoubleRange QwtDoubleRange virtual Destroys the QwtDoubleRange Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 25 QwtDoubleRange Class Reference 114 12 25 3 Member Function Documentation 12 25 3 1 double QwtDoubleRange exactPrevValue const protected Returns the exact previous value 12 25 3 2 double QwtDoubleRange exactValue const protected Returns the exact value The exact value is the value which QwtDoubleRange value would return if the value were not ad justed to the step raster It differs from the current value only if QwtDoubleRange fitValue or QwtDou bleRange incValue have been used before This function is intended for internal use in derived classes 12 25 33 void QwtDoubleRange fitValue double x virtual Adjust the value to the closest point in the step raster Parameters x value Warning The value is clipped when it lies outside the range When the range is QwtDoubleRange periodic it will be mapped to a point in the interval such that new value x n max value min value with an integer number n Reimplemented in QwtAbstractSlider
18. See also QwtPicker setResizeMode QwtPicker resize 12 41 2 4 enum QwtPicker RubberBand NoRubberBand No rubberband HLineRubberBand amp PointSelection A horizontal line VLineRubberBand amp PointSelection A vertical line CrossRubberBand amp PointSelection A horizontal and a vertical line RectRubberBand amp RectSelection A rectangle EllipseRubberBand amp RectSelection An ellipse PolygonRubberBand amp PolygonSelection A polygon UserRubberBand Values gt UserRubberBand can be used to define additional rubber bands The default value is NoRubberBand See also QwtPicker setRubberBand QwtPicker rubberBand Rubberband style Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 190 12 41 2 5 enum QwtPicker SelectionMode Values of this enum type or d together with a SelectionType value identifies which state machine should be used for the selection The default value is ClickSelection See also stateMachine 12 41 2 6 enum QwtPicker SelectionType This enum type describes the type of a selection It can be or d with QwtPicker RectSelectionType and QwtPicker SelectionMode and passed to QwtPicker setSelectionFlags e NoSelection Selection is disabled Note this is different to the disabled state as you might have a tracker e PointSelection Select a single point e RectSelection Select
19. See also legendItem Implemented in QwtPlotCurve and QwtPlotltem 12 33 QwtLinearColorMap Class Reference QwtLinearColorMap builds a color map from color stops include lt qwt_color_map h gt Inheritance diagram for QwtLinearColorMap QwtColorMap QwiLinearColorMap Public Types enum Mode FixedColors ScaledColors Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 33 QwtLinearColorMap Class Reference 155 Public Member Functions e QwtLinearColorMap QwtColorMap Format QwtColorMap RGB e QwtLinearColorMap const QColor amp from const QColor amp to QwtCol orMap Format QwtColorMap RGB QwtLinearColorMap const QwtLinearColorMap amp virtual QwtLinearColorMap QwtLinearColorMap amp operator const QwtLinearColorMap amp virtual QwtColorMap copy const void setMode Mode Mode mode const void setColorInterval const QColor amp colorl const QColor amp color2 void addColorStop double value const QColor amp QwtArray lt double gt colorStops const QColor color const QColor color2 const virtual QRgb rgb const QwtDoublelnterval amp double value const virtual unsigned char colorIndex const QwtDoublelnterval amp double value const 12 33 1 Detailed Description QwtLinearColorMap builds a color map from color stops A color stop is a color at a specific position The valid range for the positions is 0 0 1 0 Wh
20. See also zoomRectIndex scaleRect 12 66 3 21 uint QwtPlotZoomer zoomRectIndex const Returns Index of current position of zoom stack 12 66 3 22 const QwtZoomStack amp QwtPlotZoomer zoomStack const Return the zoom stack zoomStack 0 is the zoom base zoomStack 1 the first zoomed rectangle See also setZoomStack zoomRectIndex 12 67 QwtPolygonFData Class Reference Data class containing a single QwtArray lt QwtDoublePoint gt object include lt qwt_data h gt Inheritance diagram for QwtPolygonFData QwtPolygonFData Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 67 QwtPolygonFData Class Reference 346 Public Member Functions e QwtPolygonFData const QPolygonF amp e QwtPolygonFData amp operator const QwtPolygonFData amp virtual QwtData copy const virtual size_t size const virtual double x size_t 1 const virtual double y size_t i const const QPolygonF amp data const 12 67 1 Detailed Description Data class containing a single QwtArray lt QwtDoublePoint gt object 12 67 2 Constructor amp Destructor Documentation 12 67 2 1 QwtPolygonFData QwtPolygonFData const QPolygonF amp polygon Constructor Parameters polygon Polygon data See also QwtPlotCurve setData 12 67 3 Member Function Documentation 12 67 3 1 QwtData QwtPolygonFData copy const virtual Returns Pointer to a copy virtua
21. autoRefresh 216 autoReplot 216 Axis 215 axisAutoScale 217 axisEnabled 217 axisFont 217 axisMaxMajor 217 axisMaxMinor 217 axisScaleDiv 218 axisScaleDraw 218 219 axisScaleEngine 219 axisStepSize 220 axisTitle 220 axis Valid 220 axisWidget 220 221 canvas 221 canvasBackground 221 canvasLine Width 221 canvasMap 222 clear 222 drawCanvas 222 drawlItems 222 enableAxis 223 event 223 grabProperties 223 insertLegend 223 invTransform 224 legend 224 legendChecked 224 legendClicked 225 legendItemChecked 225 legendItemClicked 225 LegendPosition 215 margin 225 minimumSizeHint 225 plotLayout 226 polish 226 print 226 printCanvas 227 printLegend 227 printLegendItem 227 printScale 227 printTitle 228 QwtPlot 216 replot 228 resizeEvent 228 setAutoReplot 228 setAxisAutoScale 229 setAxisFont 229 setAxisLabelAlignment 229 setAxisLabelRotation 230 setAxisMaxMajor 230 setAxisMaxMinor 230 setAxisScale 230 setAxisScaleDiv 231 setAxisScaleDraw 231 setAxisScaleEngine 231 setAxisTitle 232 setCanvasBackground 232 setCanvasLineWidth 232 setMargin 233 setTitle 233 sizeHint 233 title 233 titleLabel 233 234 transform 234 updateAxes 234 updateLayout 234 updateTabOrder 234 QwtPlotCanvas 235 QwtPlotCanvas 236 drawCanvas 237 drawContents 237 drawFocusIndicator 237 FocusIndicator 236 focusIndicator 237 hideEvent 237 inva
22. const QStack lt QwtDoubleRect gt amp zoomStack const void setZoomStack const QStack lt QwtDoubleRect gt amp int zoomRectIndex 1 uint zoomRectIndex const virtual void setSelectionFlags int Protected Member Functions virtual void rescale virtual QwtDoubleSize minZoomSize const virtual void widgetMouseReleaseEvent QMouseEvent x virtual void widgetKeyPressEvent QKeyEvent x virtual void begin virtual bool end bool ok true virtual bool accept QwtPolygon amp const 12 66 1 Detailed Description QwtPlotZoomer provides stacked zooming for a plot widget QwtPlotZoomer offers rubberband selections on the plot canvas translating the selected rectangles into plot coordinates and adjusting the axes to them Zooming can repeated as often as possible limited only by maxStackDepth or minZoomSize Each rectangle is pushed on a stack Zoom rectangles can be selected depending on selectionFlags using the mouse or keyboard QwtEvent Pattern QwtPickerMachine QwtEventPattern MouseSelect3 QwtEventPatternKeyUndo or QwtEvent Pattern MouseSelect6 QwtEventPatternKeyRedo walk up and down the zoom stack QwtEventPat tern MouseSelect2 or QwtEventPattern KeyHome unzoom to the initial size Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 66 QwtPlotZoomer Class Reference 339 QwtPlotZoomer is tailored for plots with one x and y axis but it is allowed to attach a second Qw
23. const QwtScaleDraw x scaleDraw const Protected Member Functions virtual double getValue const QPoint amp p virtual void getScrollMode const QPoint amp p int amp scrollMode int amp direction void draw QPainter xp const QRect amp update_rect virtual void drawSlider QPainter p const QRect amp r virtual void drawThumb QPainter xp const QRect amp int pos virtual void resizeEvent QResizeEvent xe virtual void paintEvent QPaintEvent xe virtual void valueChange virtual void rangeChange virtual void scaleChange virtual void fontChange const QFont amp oldFont void layoutSlider bool update true int xyPosition double v const e QwtScaleDraw scaleDraw 12 79 1 Detailed Description The Slider Widget QwtSlider is a slider widget which operates on an interval of type double QwtSlider supports different layouts as well as a scale See also QwtAbstractSlider and QwtAbstractScale for the descriptions of the inherited members 12 79 2 Member Enumeration Documentation 12 79 2 1 enum QwtSlider BGSTYLE Background style See also QwtSlider Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 79 QwtSlider Class Reference 399 12 79 2 2 enum QwtSlider ScalePos Scale position QwtSlider tries to enforce valid combinations of its orientation and scale position e Qt Horizonal combines with NoScale TopScale and BottomScale e Qt Vertical combines
24. implements a dumb algorithm that iterates over all points 12 51 4 6 QwtCurveFitter QwtPlotCurve curveFitter const Get the curve fitter If curve fitting is disabled NULL is returned Returns Curve fitter 12 51 4 7 QwtPlotCurve CurveType QwtPlotCurve curveType const Return the curve type See also CurveType setCurveType 12 51 4 8 const QwtData amp QwtPlotCurve data const inline Returns the the curve data 12 51 4 9 QwtData amp QwtPlotCurve data inline Returns the the curve data 12 51 4 10 int QwtPlotCurve dataSize const Return the size of the data arrays See also setData Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 247 12 51 4 11 void QwtPlotCurve draw int from int to const Draw a set of points of a curve When observing an measurement while it is running new points have to be added to an existing curve drawCurve can be used to display them avoiding a complete redraw of the canvas Setting plot gt canvas gt setAttribute Qt WA_PaintOutsidePaintEvent true will result in faster paint ing if the paint engine of the canvas widget supports this feature Parameters from Index of the first point to be painted to Index of the last point to be painted If to lt 0 the curve will be painted to its last point See also drawCurve drawSymbols 12 51 4 12 void QwtPlotCurve d
25. protected virtual Draw the focus indication Parameters painter Painter 12 50 4 4 QwtPlotCanvas FocusIndicator QwtPlotCanvas focusIndicator const Returns Focus indicator See also FocusIndicator setFocusIndicator Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 50 QwtPlotCanvas Class Reference 238 12 50 4 5 void QwtPlotCanvas hideEvent QHideEvent x event protected virtual Hide event Parameters event Hide event 12 50 4 6 void QwtPlotCanvas invalidatePaintCache Invalidate the internal paint cache 12 50 4 7 const QPixmap QwtPlotCanvas paintCache const Return the paint cache might be null 12 50 4 8 QPixmap QwtPlotCanvas paintCache Return the paint cache might be null 12 50 4 9 void QwtPlotCanvas paintEvent QPaintEvent event protected virtual Paint event Parameters event Paint event 12 50 4 10 const QwtPlot QwtPlotCanvas plot const Return parent plot widget 12 50 4 11 QwtPlot QwtPlotCanvas plot Return parent plot widget 12 50 4 12 void QwtPlotCanvas replot Invalidate the paint cache and repaint the canvas See also invalidatePaintCache Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 239 12 50 4 13 void QwtPlotCanvas setFocusIndicator FocusIndicator focusIndicator Set the focus indicator See also FocusIn
26. protected virtual Notify a scale change Reimplemented from QwtAbstractScale 12 86 3 19 QwtScaleDraw QwtThermo scaleDraw protected Returns the scale draw of the thermo See also setScaleDraw 12 86 3 20 const QwtScaleDraw QwtThermo scaleDraw const Returns the scale draw of the thermo See also setScaleDraw 12 86 3 21 QwtThermo ScalePos QwtThermo scalePosition const Return the scale position See also setScalePosition 12 86 3 22 void QwtThermo setAlarmBrush const QBrush amp brush Specify the liquid brush above the alarm threshold Parameters brush New brush The default is solid white See also alarmBrush Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 86 QwtThermo Class Reference 440 12 86 3 23 void QwtThermo setAlarmColor const QColor c Specify the liquid color above the alarm threshold Parameters c New color The default is white 12 86 3 24 void QwtThermo setAlarmEnabled bool f Enable or disable the alarm threshold Parameters tf true disabled or false enabled 12 86 3 25 void QwtThermo setAlarmLevel double level Specify the alarm threshold Parameters level Alarm threshold See also alarmLevel 12 86 3 26 void QwtThermo setBorderWidth int width Set the border width of the pipe Parameters width Border width See also borderWidth 12 86 3 27 void QwtThermo se
27. s Guide by Doxygen 12 12 QwtCompass Class Reference 59 12 11 44 virtual QwtColorMapx QwtColorMap copy const pure virtual Clone the color map Implemented in QwtLinearColorMap and QwtAlphaColorMap 12 11 4 5 QwtColorMap Format QwtColorMap format const inline Returns Intended format of the color map See also Format 12 11 4 6 virtual QRgb QwtColorMap rgb const QwtDoubleInterval amp interval double value const pure virtual Map a value of a given interval into a rgb value Parameters interval Range for the values value Value Returns rgb value corresponding to value Implemented in QwtLinearColorMap and QwtAlphaColorMap 12 12 QwtCompass Class Reference A Compass Widget include lt qwt_compass h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 12 QwtCompass Class Reference 60 Inheritance diagram for QwtCompass QwtDoubleRange QwtAbstractSlider QwtCompass Public Member Functions e QwtCompass QWidget parent NULL virtual QwtCompass void setRose QwtCompassRose rose const QwtCompassRose rose const QwtCompassRose rose const QMap lt double QString gt amp labelMap const QMap lt double QString gt amp labelMap void setLabelMap const QMap lt double QString gt amp map Protected Member Functions e virtual QwtText scaleLabel double value const e virtual void drawRose QPain
28. s Guide by Doxygen 12 49 QwtPlot Class Reference 234 12 49 4 73 const QwtTextLabel x QwtPlot titleLabel const Returns the plot s titel label 12 49 4 74 QwtTextLabel QwtPlot titleLabel Returns the plot s titel label 12 49 4 75 int QwtPlot transform int axisId double value const Transform a value into a coordinate in the plotting region Parameters axisId axis index value value Returns X or y coordinate in the plotting region corresponding to the value 12 49 4 76 void QwtPlot updateAxes Rebuild the scales 12 49 4 77 void QwtPlot updateLayout virtual Adjust plot content to its current size See also resizeEvent 12 49 4 78 void QwtPlot updateTabOrder protected virtual Update the focus tab order The order is changed so that the canvas will be in front of the first legend item or behind the last legend item depending on the position of the legend Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 50 QwtPlotCanvas Class Reference 235 12 50 QwtPlotCanvas Class Reference Canvas of a QwtPlot include lt qwt_plot_canvas h gt Public Types e enum PaintAttribute PaintCached 1 PaintPacked 2 e enum FocusIndicator NoFocusIndicator CanvasFocusIndicator ItemFocusIndicator Public Member Functions e QwtPlotCanvas QwtPlot x virtual QwtPlotCanvas QwtPlot x plot const QwtPlot x
29. 12 21 3 Member Function Documentation 12 21 3 1 virtual void QwtDialNeedle draw QPainter x painter const QPoint amp center int length double direction QPalette ColorGroup cg QPalette Active const pure virtual Draw the needle Parameters painter Painter center Center of the dial start position for the needle length Length of the needle direction Direction of the needle in degrees counter clockwise cg Color group used for painting Implemented in QwtDialSimpleNeedle QwtCompassMagnetNeedle and QwtCompassWindArrow 12 21 3 2 void QwtDialNeedle drawKnob QPainter x painter const QPoint amp pos int width const QBrush amp brush bool sunken static protected Draw the knob 12 21 3 3 const QPalette amp QwtDialNeedle palette const Returns the palette of the needle 12 21 3 4 void QwtDialNeedle setPalette const QPalette amp palette virtual Sets the palette for the needle Parameters palette New Palette 12 22 QwtDialScaleDraw Class Reference A special scale draw made for QwtDial include lt qwt_dial h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 22 QwtDialScaleDraw Class Reference 101 Inheritance diagram for QwtDialScaleDraw QwtAbstractScaleDraw QwtRoundScaleDraw QwiDialScaleDraw Public Member Functions e QwtDialScaleDraw QwtDial x e virtual QwtText label double value const e void setPen Width uint e uint penW
30. 12 3 1 Detailed Description lt gt e s os es esoe orense Ae ew 22 12 3 2 Constructor amp Destructor Documentation o oo oe 00 22 12 3 3 Member Function Documentation ssa asesa mses eee eee 23 12 4 QwtAbstractScaleDraw Class Reference 2 0 eee ee ee 27 1241 Detailed Descrip ceo Boe SA EAE BH te BH td 28 12 4 2 Member Enumeration Documentation e 28 12 4 3 Constructor amp Destructor Documentation o o 28 12 4 4 Member Function Documentation e e 29 12 5 QwtAbstractSlider Class Reference i2 0 lt ee mes 34 aL Detiled Description echo os a rt da ds 35 12 5 2 Member Enumeration Documentation a 36 12 5 3 Constructor amp Destructor Documentation 4 roses 36 12 5 4 Member Function Documentation e e 36 12 6 QwtAlphaColorMap Class Reference o e 43 12 6 1 Detailed Description c s ee ocean a ee ES 43 12 6 2 Constructor amp Destructor Documentation 0 24 4 66 2 4 4800 484 44 43 12 6 3 Member Function Documentation 2 000000 is daaa 44 12 7 QwtAnalogClock Class Reference o e 45 1271 Detailed Descriplion o lt seoran iis ue n Daa e E wee eee Saw 46 12 7 2 Member Enumeration Documentation 47 12 7 3 Constructor amp Destructor Documentation sooo a 47 12 7 4 Member Function Documentation
31. 188 resizeMode 194 RubberBand 189 rubberBand 195 rubberBandPen 195 rubberBandWidget 195 selected 195 selection 195 selectionFlags 196 SelectionMode 189 SelectionType 190 setEnabled 196 setResizeMode 196 setRubberBand 196 setRubberBandPen 197 setSelectionFlags 197 setTrackerFont 197 setTrackerMode 197 setTrackerPen 198 stateMachine 198 stretchSelection 198 trackerFont 199 trackerMode 199 trackerPen 199 trackerPosition 199 trackerRect 200 trackerText 200 trackerWidget 200 transition 200 updateDisplay 201 widgetKeyPressEvent 201 widgetKeyReleaseEvent 201 widgetLeaveEvent 201 widgetMouseDoubleClickEvent 201 widgetMouseMoveEvent 202 widgetMousePressEvent 202 widgetMouseReleaseEvent 202 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 468 widgetWheelEvent 202 QwtPickerClickPointMachine 203 transition 203 QwtPickerClickRectMachine 204 transition 204 QwtPickerDragPointMachine 204 transition 205 QwtPickerDragRectMachine 205 transition 206 QwtPickerMachine 206 QwtPickerMachine 207 Command 207 QwtPickerMachine 207 reset 208 setState 208 state 208 transition 208 QwtPickerPolygonMachine 208 transition 209 QwtPlainTextEngine 209 QwtPlainTextEngine 210 draw 210 heightForWidth 210 mightRender 211 QwtPlainTextEngine 210 textMargins 211 textSize 211 QwtPlot 212 QwtPlot 216 applyProperties 216
32. 387 draw 387 drawTitle 387 endBorderDist 387 getBorderDistHint 387 getMinBorderDist 388 layoutScale 388 margin 388 minimumSizeHint 388 paintEvent 388 penWidth 389 QwtScaleWidget 386 resizeEvent 389 scaleChange 389 scaleDivChanged 389 scaleDraw 389 setAlignment 389 setBorderDist 390 setLabelAlignment 390 setLabelRotation 390 setMargin 390 setMinBorderDist 391 setPenWidth 391 setScaleDiv 391 setScaleDraw 392 setSpacing 392 setTitle 392 sizeHint 393 spacing 393 startBorderDist 393 title 393 titleHeightForWidth 393 QwtSimpleCompassRose 394 draw 395 drawRose 395 numThornLevels 395 numThorns 396 QwtSimpleCompassRose 395 setNumThornLevels 396 setNumThorns 396 setWidth 396 width 396 QwtSlider 397 BGSTYLE 398 bgStyle 399 borderWidth 399 draw 399 drawSlider 400 drawThumb 400 fontChange 400 getScrollMode 400 getValue 400 layoutSlider 401 minimumSizeHint 401 paintEvent 401 QwtSlider 399 rangeChange 401 resizeEvent 401 scaleChange 401 scaleDraw 402 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 474 ScalePos 398 scalePosition 402 setBgStyle 402 setBorderWidth 402 setMargins 402 setOrientation 403 setScaleDraw 403 setScalePosition 403 setThumbLength 404 setThumb Width 404 sizeHint 404 thumbLength 404 thumb Width 404 valueChange 404 xyPosition 405 QwtSpline 405 QwtSpline 407 b
33. BottomScale horizontal ticks below e QwtScaleDraw TopScale horizontal ticks above e QwtScaleDraw LeftScale vertical ticks left e QwtScaleDraw RightScale vertical ticks right For horizontal scales the position corresponds to QwtPlotltem yAxis otherwise to Qwt Plotltem xAxis See also scaleDraw QwtScaleDraw alignment setPosition 12 63 3 12 void QwtPlotScaleltem setBorderDistance int distance Align the scale to the canvas If distance is gt 0 the scale will be aligned to a border of the contents rect of the canvas If alignment is QwtScaleDraw LeftScale the scale will be aligned to the right border 1f it is QwtScaleDraw TopScale it will be aligned to the bottom and vice versa If distance is lt O the scale will be at the position Parameters distance Number of pixels between the canvas border and the backbone of the scale See also setPosition borderDistance Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 63 QwtPlotScaleItem Class Reference 324 12 63 3 13 void QwtPlotScaleltem setFont const QFont font Change the tick label font See also fontQ 12 63 3 14 void QwtPlotScaleItem setPalette const QPalette amp palette Set the palette See also QwtAbstractScaleDraw draw paletteQ 12 63 3 15 void QwtPlotScaleItem setPosition double pos Change the position of the scale The position is interpreted as y value for h
34. Draw an arrow int a bounding rect Parameters painter Painter r Rectangle where to paint the arrow arrowType Arrow type Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 9 QwtArrowButton Class Reference 54 12 9 3 4 void QwtArrowButton drawButtonLabel QPainter x painter protected virtual Draw the button label Parameters painter Painter See also The Qt Manual on QPushButton 12 9 3 5 void QwtArrowButton keyPressEvent QKeyEvent xe protected virtual autoRepeat for the space keys 12 9 3 6 QRect QwtArrowButton labelRect const protected virtual Returns the bounding rect for the label 12 9 3 7 QSize QwtArrowButton minimumSizeHint const virtual Return a minimum size hint 12 9 3 8 int QwtArrowButton num const The number of arrows 12 9 3 9 void QwtArrowButton paintEvent QPaintEvent x event protected virtual Paint event handler Parameters event Paint event Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 10 QwtClipper Class Reference 55 12 9 3 10 QSize QwtArrowButton sizeHint const virtual Returns a size hint 12 10 QwtClipper Class Reference Some clipping algos include lt qwt_clipper h gt Static Public Member Functions e static QwtPolygon clipPolygon const QRect amp const QwtPolygon amp e static QwtPolygonF clipPolygonF const QwtDoubleRect amp const QwtPolygonF am
35. Here are the classes structs unions and interfaces with brief descriptions QwtEventPattern KeyPattern A pattern for key events 20 QwtEventPattern MousePattern A pattern for mouse events 21 QwtAbstractScale An abstract base class for classes containing a scale 21 QwtAbstractScaleDraw A abstract base class for drawing scales 27 QwtAbstractSlider An abstract base class for slider widgets 34 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 11 1 Class List 18 QwtAlphaColorMap QwtAlphaColorMap variies the alpha value of a color 43 QwtAnalogClock An analog clock 45 QwtArrayData Data class containing two QwtArray lt double gt objects 49 QwtArrowButton Arrow Button 52 QwtClipper Some clipping algos 55 QwtColorMap QwtColorMap is used to map values into colors 56 QwtCompass A Compass Widget 59 QwtCompassMagnetNeedle A magnet needle for compass widgets 64 QwtCompassRose Abstract base class for a compass rose 67 QwtCompassWind Arrow An indicator for the wind direction 68 QwtCounter The Counter Widget 70 QwtCPointerData Data class containing two pointers to memory blocks of doubles 78 QwtCurveFitter Abstract base class for a curve fitter 80 QwtData QwtData defines an interface to any type of curve data 81 QwtDial QwtDial class provides a rounded range control 84 QwtDialNeedle Base class for needles that can be used in a QwtDial 99 QwtDialScaleDraw A special sca
36. QWheelEvent xe protected virtual Wheel Event handler Parameters e Whell event Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 6 QwtAlphaColorMap Class Reference 43 12 6 QwtAlphaColorMap Class Reference QwtAlphaColorMap variies the alpha value of a color include lt qwt_color_map h gt Inheritance diagram for QwtAlphaColorMap QwtColorMap QwtAlphaColorMap Public Member Functions e QwtAlphaColorMap const QColor amp QColor Qt gray e QwtAlphaColorMap const QwtAlphaColorMap amp e virtual QwtAlphaColorMap e QwtAlphaColorMap amp operator const QwtAlphaColorMap amp e virtual QwtColorMap copy const e void setColor const QColor amp e QColor color const e virtual QRgb rgb const QwtDoublelnterval amp double value const 12 6 1 Detailed Description QwtAlphaColorMap variies the alpha value of a color 12 6 2 Constructor amp Destructor Documentation 12 6 2 1 QwtAlphaColorMap QwtAlphaColorMap const QColor amp color QColor Qt gray Constructor Parameters color Color of the map 12 6 2 2 QwtAlphaColorMap QwtAlphaColorMap const QwtAlphaColorMap amp other Copy constructor Parameters other Other color map Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 6 QwtAlphaColorMap Class Reference 44 12 6 2 3 QwtAlphaColorMap QwtAlphaColorMap virtual Destructor 12 6
37. QwtDoubleRange 113 QwtDynGridLayout QwtDynGridLayout 119 QwtEventPattern QwtEventPattern 128 QwiIntervalData QwtIntervalData 133 QwtKnob QwtKnob 135 QwtLegend QwtLegend 141 QwtLegendItem QwtLegendItem 147 QwtLegendItemManager QwtLegendItemManager 153 QwtLinearColorMap QwtLinearColorMap 156 QwtMagnifier QwtMagnifier 164 QwtMathMLtTextEngine QwtMathMLTextEngine 171 QwtPanner QwtPanner 180 QwtPicker QwtPicker 191 QwtPickerMachine QwtPickerMachine 207 QwtPlainTextEngine QwtPlainTextEngine 210 QwtPlot QwtPlot 216 QwtPlotCanvas QwtPlotCanvas 236 QwtPlotCurve QwtPlotCurve 244 QwtPlotDict QwtPlotDict 257 QwtPlotGrid QwtPlotGrid 260 QwtPlotltem QwtPlotItem 267 QwtPlotLayout QwtPlotLayout 277 QwtPlotMagnifier QwtPlotMagnifier 285 QwtPlotMarker QwtPlotMarker 288 QwtPlotPanner QwtPlotPanner 295 QwtPlotPicker QwtPlotPicker 298 QwtPlotPrintFilter QwtPlotPrintFilter 305 QwtPlotRasterItem QwtPlotRasterItem 309 QwtPlotRescaler QwtPlotRescaler 313 QwtPlotScaleItem QwtPlotScalelItem 321 QwtPlotSpectrogram QwtPlotSpectrogram 328 QwtPlotS vgltem QwtPlotSvgltem 335 QwitRasterData QwtRasterData 349 QwtRoundScaleDraw QwtRoundScaleDraw 355 QwtScaleDraw QwtScaleDraw 366 QwtScaleEngine QwtScaleEngine 375 QwtScaleMap QwtScaleMap 380 INDEX 452 QwtScaleTransformation QwtScaleTransformation 383 QwtScaleWidget QwtScaleWidget 386 QwtSpli
38. QwtPlotCurve 255 QwtText 425 testRenderHint QwtPlotltem 273 text QwtText 425 QwtTextLabel 433 textEngine QwtText 425 TextFormat QwtText 419 textMargins QwtMathMLTextEngine 172 QwtPlainTextEngine 211 QwtRichTextEngine 353 QwtTextEngine 429 textRect QwtTextLabel 433 textSize QwtMathMLtTextEngine 172 QwtPlainTextEngine 211 QwtRichTextEngine 353 QwtText 426 QwtTextEngine 429 thumbLength QwtSlider 404 thumb Width QwtSlider 404 tickCnt QwtWheel 450 tickLabel QwtAbstractScaleDraw 33 tickLength QwtAbstractScaleDraw 33 ticks QwtScaleDiv 363 TickType QwtScaleDiv 361 timerEvent Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 483 QwtAbstractSlider 42 title QwtPlot 233 QwtPlotItem 274 QwtScaleWidget 393 titleHeightForWidth QwtScaleWidget 393 titleLabel QwtPlot 233 234 titleRect QwtPlotLayout 283 totalAngle QwtKnob 139 QwtWheel 450 trackerFont QwtPicker 199 trackerMode QwtPicker 199 trackerPen QwtPicker 199 trackerPosition QwtPicker 199 trackerRect QwtPicker 200 trackerText QwtPicker 200 QwtPlotPicker 302 303 trackerWidget QwtPicker 200 transform QwtPlot 234 QwtPlotItem 274 QwtPlotPicker 303 QwtScaleMap 382 transformation QwtLinearScaleEngine 160 QwtLog10ScaleEngine 162 QwtScaleEngine 378 QwtScaleMap 382 transition QwtPicker 200 QwtPickerClickPointMachine 203 QwtPickerClickRectMachine 204 QwtPickerDragPointM
39. QwtSlider 399 QwtSymbol 414 QwtText 421 QwtTextEngine 428 QwtThermo 437 QwtWheel 445 draw Arrow QwtArrowButton 53 draw ArrowNeedle QwtDialSimpleNeedle 104 drawAt QwtPlotMarker 288 drawBackbone QwtAbstractScaleDraw 29 QwtRoundScaleDraw 355 QwtScaleDraw 366 drawButtonLabel QwtArrowButton 53 drawCanvas QwtPlot 222 QwtPlotCanvas 237 drawContents QwtDial 88 QwtPlotCanvas 237 QwtTextLabel 431 drawContourLines QwtPlotSpectrogram 330 drawCurve QwtPlotCurve 247 drawDots QwtPlotCurve 248 drawEllipse QwtPainter 175 drawFocusIndicator QwtDial 88 QwtPlotCanvas 237 drawFrame QwtDial 88 drawHand QwtAnalogClock 47 drawIdentifier QwtLegendItem 148 drawltem QwtLegendItem 148 drawltems QwtPlot 222 drawKnob QwtDialNeedle 100 QwtKnob 136 drawLabel QwtAbstractScaleDraw 29 QwtRoundScaleDraw 355 QwtScaleDraw 367 drawLine QwtPainter 175 176 drawLines QwtPlotCurve 248 drawMarker QwtKnob 136 drawNeedle QwtAnalogClock 47 QwtDial 89 drawPie QwtPainter 176 drawPoint QwtPainter 176 drawPointer QwtCompassMagnetNeedle 66 drawPolygon QwtPainter 176 drawPolyline QwtPainter 176 drawRayNeedle QwtDialSimpleNeedle 104 drawRect QwtPainter 176 drawRose QwtCompass 61 QwtSimpleCompassRose 395 drawRoundFrame QwtPainter 176 drawRubberBand QwtPicker 192 drawScale QwtDial 89 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen
40. Returns Label or QString null label looks in a map for a corresponding label for value or return an null text See also labelMap setLabelMap Reimplemented from QwtDial 12 12 3 9 void QwtCompass setLabelMap const QMap lt double QString gt amp map Set a map mapping values to labels Parameters map value to label map The values of the major ticks are found by looking into this map The default map consists of the labels N NE E SE S SW W NW Warning The map will have no effect for values that are no major tick values Major ticks can be changed by QwtScaleDraw setScale See also labelMap scaleDraw setScale Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 13 QwtCompassMagnetNeedle Class Reference 64 12 12 3 10 void QwtCompass setRose QwtCompassRose x rose Set a rose for the compass Parameters rose Compass rose Warning The rose will be deleted when a different rose is set or in QwtCompass See also rose 12 13 QwtCompassMagnetNeedle Class Reference A magnet needle for compass widgets include lt qwt_dial_needle h gt Inheritance diagram for QwtCompassMagnetNeedle QwtDialNeedle QwtCompassMagnetNeedle Public Types e enum Style TriangleStyle ThinStyle Public Member Functions e QwtCompassMagnetNeedle Style TriangleStyle const QColor amp light Qt white const QColor amp dark Qt red e v
41. See also setHand hand 12 7 3 Constructor amp Destructor Documentation 12 7 3 1 QwtAnalogClock QwtAnalogClock QWidget parent NULL explicit Constructor Parameters parent Parent widget 12 7 3 2 QwtAnalogClock QwtAnalogClock virtual Destructor 12 7 4 Member Function Documentation 12 7 4 1 void QwtAnalogClock drawHand QPainter painter Hand hd const QPoint amp center int radius double direction QPalette ColorGroup cg const protected virtual Draw a clock hand Parameters painter Painter hd Specify the type of hand center Center of the clock radius Maximum length for the hands direction Direction of the hand in degrees counter clockwise cg ColorGroup 12 7 4 2 void QwtAnalogClock drawNeedle QPainter painter const QPoint amp center int radius double direction QPalette ColorGroup cg const protected virtual Draw the needle A clock has no single needle but three hands instead drawNeedle translates value into directions for the hands and calls drawHand Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 7 QwtAnalogClock Class Reference 48 Parameters painter Painter center Center of the clock radius Maximum length for the hands direction Dummy not used cg ColorGroup See also drawHand Reimplemented from QwtDial 12 7 4 3 QwtDialNeedle x QwtAnalogClock hand Hand hd Returns Clock hand Parameters
42. base 10 scales The step size is measured in decades and the major step size will be adjusted to fit the pattern 1 2 3 5 10 where n is a natural number including zero Warning the step size as well as the margins are measured in x decadesx 12 35 2 Member Function Documentation 12 35 2 1 void QwtLog10ScaleEngine autoScale int maxNumSteps double amp x1 double amp x2 double amp stepSize const virtual Align and divide an interval Parameters maxNumSteps Max number of steps x1 First limit of the interval In Out x2 Second limit of the interval In Out stepSize Step size Out See also QwtScaleEngine setAttribute Implements QwtScaleEngine Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 36 QwtMagnifier Class Reference 162 12 35 2 2 QwtScaleDiv QwtLog10ScaleEngine divideScale double x7 double x2 int maxMajSteps int maxMinSteps double stepSize 0 0 const virtual Calculate a scale division Parameters xl First interval limit x2 Second interval limit maxMajSteps Maximum for the number of major steps maxMinSteps Maximum number of minor steps stepSize Step size If stepSize 0 the scaleEngine calculates one See also QwtScaleEngine stepSize QwtLog10ScaleEngine subDivide Implements QwtScaleEngine 12 35 2 3 QwtDoubleInterval QwtLog10ScaleEngine log10 const QwtDoubleInterval amp interval const protected Return the inter
43. bool on En Disable an axis Axes that are enabled will be synchronized to the result of panning All other axes will remain unchanged Parameters axis Axis see QwtPlot Axis on On Off See also isAxisEnabled moveCanvas 12 59 QwtPlotPicker Class Reference QwtPlotPicker provides selections on a plot canvas include lt qwt_plot_picker h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 59 QwtPlotPicker Class Reference 297 Inheritance diagram for QwtPlotPicker QwtEventPattern QwiPicker QwiPlotPicker QwtPlotZoomer Signals void selected const QwtDoublePoint amp pos void selected const QwtDoubleRect amp rect void selected const QwtArray lt QwtDoublePoint gt amp pa void appended const QwtDoublePoint amp pos void moved const QwtDoublePoint amp pos Public Member Functions QwtPlotPicker QwtPlotCanvas virtual QwtPlotPicker QwtPlotPicker int xAxis int yAxis QwtPlotCanvas QwtPlotPicker int xAxis int yAxis int selectionFlags RubberBand rubberBand DisplayMode trackerMode QwtPlotCanvas virtual void setAxis int xAxis int yAxis int xAxis const int yAxis const QwtPlot x plot const QwtPlot x plot const QwtPlotCanvas canvas const QwtPlotCanvas canvas const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 59 QwtPlotPicker Class Reference 298 Protected Member F
44. const virtual Bounding rect of the item Reimplemented from QwtPlotltem Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 65 QwtPlotSvgltem Class Reference 336 12 65 3 2 void QwtPlotSvgltem draw QPainter x painter const QwtScaleMap xMap const QwtScaleMap amp yMap const QRect amp canvasRect const virtual Draw the SVG item Parameters painter Painter xMap X Scale Map yMap Y Scale Map canvasRect Contents rect of the plot canvas Implements QwtPlotltem 12 65 3 3 bool QwtPlotSvgltem loadData const QwtDoubleRect amp rect const QByteArray amp data Load SVG data Parameters rect Bounding rectangle data in SVG format Returns true if the SVG data could be loaded 12 65 3 4 bool QwtPlotSvgltem loadFile const QwtDoubleRect amp rect const QString fileName Load a SVG file Parameters rect Bounding rectangle fileName SVG file name Returns true if the SVG file could be loaded 12 65 3 5 void QwtPlotSvgltem render QPainter painter const QwtDoubleRect amp viewBox const QRect amp rect const protected Render the SVG data Parameters painter Painter viewBox View Box see QSvgRenderer viewBox rect Traget rectangle on the paint device Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 66 QwtPlotZoomer Class Reference 337 12 65 3 6 int QwtPlotSvgltem rtti const virtual Returns QwtPlotI
45. const QFont amp font int flags const QString amp text const virtual void draw QPainter painter const QRect amp rect int flags const QString amp text const virtual bool mightRender const QString amp const virtual void textMargins const QFont amp const QString amp int amp left int amp right int amp top int amp bot tom const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 48 QwtPlainTextEngine Class Reference 210 12 48 1 Detailed Description A text engine for plain texts QwtPlainTextEngine renders texts using the basic Qt classes QPainter and QFontMetrics 12 48 2 Constructor amp Destructor Documentation 12 48 2 1 QwtPlainTextEngine QwtPlainTextEngine Constructor 12 48 2 2 QwtPlainTextEngine QwtPlainTextEngine virtual Destructor 12 48 3 Member Function Documentation 12 48 3 1 void QwtPlainTextEngine draw QPainter painter const QRect amp rect int flags const QString amp text const virtual Draw the text in a clipping rectangle A wrapper for QPainter drawText Parameters painter Painter rect Clipping rectangle flags Bitwise OR of the flags used like in QPainter drawText text Text to be rendered Implements QwtTextEngine 12 48 3 2 int QwtPlainTextEngine heightForWidth const QFont amp font int flags const QString amp text int width const virtual Find the height for a given width Parameters font Font of
46. e Mouse event 12 5 4 11 void QwtAbstractSlider mouseReleaseEvent QMouseEvent xe protected virtual Mouse Release Event handler Parameters e Mouse event 12 5 4 12 Qt Orientation QwtAbstractSlider orientation const Returns Orientation See also setOrientation 12 5 4 13 void QwtAbstractSlider setMass double val virtual Set the slider s mass for flywheel effect If the slider s mass is greater then 0 it will continue to move after the mouse button has been released Its speed decreases with time at a rate depending on the slider s mass A large mass means that it will continue to move for a long time Derived widgets may overload this function to make it public Parameters val New mass in kg Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 5 QwtAbstractSlider Class Reference 40 See also mass Reimplemented in QwtWheel 12 5 4 14 void QwtAbstractSlider setOrientation Qt Orientation 0 virtual Set the orientation Parameters o Orientation Allowed values are Qt Horizontal and Qt Vertical Reimplemented in QwtSlider and QwtWheel 12 5 4 15 void QwtAbstractSlider setPosition const QPoint p protected virtual Move the slider to a specified point adjust the value and emit signals if necessary 12 5 4 16 void QwtAbstractSlider setReadOnly bool readOnly virtual slot En Disable read only mode In read only mode the s
47. gt amp coefficientsB const const QwtArray lt double gt amp coefficientsC const Protected Member Functions bool buildNaturalSpline const QPolygonF amp bool buildPeriodicSpline const QPolygonF amp int QwtSlider xyPosition double value const protected virtual protected Find the x y position for a given value v Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 80 QwtSpline Class Reference 406 Protected Attributes e PrivateData d_data 12 80 1 Detailed Description A class for spline interpolation The QwtSpline class is used for cubical spline interpolation Two types of splines natural and periodic are supported Usage 1 First call setPoints to determine the spline coefficients for a tabulated function y x 2 After the coefficients have been set up the interpolated function value for an argument x can be determined by calling QwtSpline value Example include lt qwt_spline h gt QPolygonF interpolate const QPolygonF amp points int numValues QwtSpline spline if spline setPoints points return points QPolygonF interpolatedPoints numValues const double delta points numPoints 1 x points 0 x points size 1 for i 0 i lt points size i interpolate const double x points 0 x i delta interpolatedPoints i setX x interpolatedPoints i setY spline value x return interpola
48. identifierMode 12 31 4 23 void QwtLegendItem setIdentifierWidth int width Set the width for the identifier Default is 8 pixels Parameters width New width See also identifierMode identifierWidth 12 31 4 24 void QwtLegendItem setItemMode QwtLegend LegendItemMode mode Set the item mode The default is QwtLegend ReadOnlyItem Parameters mode Item mode See also itemMode 12 31 4 25 void QwtLegendItem setSpacing int spacing Change the spacing Parameters spacing Spacing Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 31 QwtLegendItem Class Reference 152 See also spacing identifierWidthQ QwtTextLabel margin 12 31 4 26 void QwtLegendItem setSymbol const QwtSymbol amp symbol Set curve symbol Parameters symbol Symbol See also symbol 12 31 4 27 void QwtLegendItem setText const QwtText amp text virtual Set the text to the legend item Parameters text Text label See also QwtTextLabel text Reimplemented from QwtTextLabel 12 31 4 28 QSize QwtLegendItem sizeHint const virtual Return a size hint Reimplemented from QwtTextLabel 12 31 4 29 int QwtLegendItem spacing const Return the spacing See also setSpacing identifierWidth QwtTextLabel margin 12 31 4 30 const QwtSymbol amp QwtLegendItem symbol const Returns The curve symbol See also setS ymbol Generated on Sun Ap
49. legend Legend pos The legend s position For top left position the number of colums will be limited to 1 otherwise 1t will be set to unlimited ratio Ratio between legend and the bounding rect of title canvas and axes The legend will be shrinked if it would need more space than the given ratio The ratio is limited to 0 0 1 0 In case of lt 0 0 it will be reset to the default ratio The default vertical horizontal ratio is 0 33 0 5 See also legend QwtPlotLayout legendPosition QwtPlotLayout setLegendPosition 12 49 4 32 double QwtPlot invTransform int axisId int pos const Transform the x or y coordinate of a position in the drawing region into a value Parameters axisId axis index pos position Warning The position can be an x or a y coordinate depending on the specified axis 12 49 4 33 const QwtLegend QwtPlot legend const Returns the plot s legend See also insertLegend 12 49 4 34 QwtLegend QwtPlot legend Returns the plot s legend See also insertLegend Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 225 12 49 4 35 void QwtPlot legendChecked QwtPlotItem plotItem boolon signal A signal which is emitted when the user has clicked on a legend item which is in QwtLegend CheckableItem mode Parameters plotItem Corresponding plot item of the selected legend item on True when the lege
50. lt 4 3 0 you have to set the MINGW_IN_SHELL variable make will run into errors with the subdirs target that can be ignored make i export MINGW_IN_SHELL 1 amake make i make i install If you didn t enable autobuilding of the examples in qwtconfig pri you have to build the examples this way cd examples qmake examples pro make i make i install C1 C3 When you have built a Qwt DLL you need to add QWT_DLL to your compiler flags If you are using qmake for your own builds this done by adding the following line to your profile DEFINES QWT_DLL Windows doesn t like mixing of debug and release binaries Most of the problems with using the Qwt designer plugin are because of trying to load a Qwt debug library into a designer release executable D MacOSx Well the Mac is only another Unix system So read the instructions in A In the recent 0t4 releases the default target of qmake is to generate XCode project files instead of makefiles So you might need to do the following qmake spec macx g D Qtopia Core I only tested Qwt with Otopia Core in qvfb Virtual Framebuffer Devivce Emulator on my Linux box To build Qwt for the emulator was as simple as for a regular Unix build qmake make E Qtopia Qtopia Core I once compiled the Qwt library against Qtopia 4 2 0 successfully but not more It should be possible to build and install Qwt but it s not done yet Good luck Genera
51. picker gt setTrackerMode QwtPicker ActiveOnly connect picker SIGNAL selected const QwtPolygon amp emit the position of clicks on widget picker gt setSelectionFlags QwtPicker PointSelection QwtPicker ClickSelection now select rectangles picker gt setSelectionFlags QwtPicker RectSelection QwtPicker DragSelection picker gt setRubberBand QwtPicker RectRubberBand The selection process uses the commands begin append move and end append adds a new point to the selection move changes the position of the latest point The commands are initiated from a small state machine QwtPickerMachine that translates mouse and key events There are a couple of predefined state machines for point rect and polygon selections The Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 188 selectionFlags control which one should be used It is possible to use other machines by overloading stateMachine The picker is active isActive between begin and end In active state the rubberband is displayed and the tracker is visible in case of trackerMode is ActiveOnly or AlwaysOn The cursor can be moved using the arrow keys All selections can be aborted using the abort key QwtEventPattern KeyPatternCode Warning In case of QWidget NoFocus the focus policy of the observed widget is set to QWidget WheelFocus and mouse
52. protected virtual Resize and update internal layout Parameters e Resize event Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 229 12 49 4 53 void QwtPlot setAutoReplot bool tf true Set or reset the autoReplot option If the autoReplot option is set the plot will be updated implicitly by manipulating member functions Since this may be time consuming it is recommended to leave this option switched off and call replot explicitly if necessary The autoReplot option is set to false by default which means that the user has to call replot in order to make changes visible Parameters tf true or false Defaults to true See also replot 12 49 4 54 void QwtPlot setAxisAutoScale int axisId Enable autoscaling for a specified axis This member function is used to switch back to autoscaling mode after a fixed scale has been set Autoscal ing is enabled by default Parameters axisId axis index See also setAxisScale setAxisScaleDiv 12 49 4 55 void QwtPlot setAxisFont int axisId const QFont f Change the font of an axis Parameters axisId axis index f font Warning This function changes the font of the tick labels not of the axis title Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 230 12 49 4 56 void QwtPlot setAxisLabelAlignment int axisId Qt Al
53. s Guide by Doxygen 12 84 QwtTextEngine Class Reference 429 12 84 3 3 virtual bool QwtTextEngine mightRender const QString text const pure virtual Test if a string can be rendered by this text engine Parameters text Text to be tested Returns true if it can be rendered Implemented in QwtPlainTextEngine QwtRichTextEngine and QwtMathMLTextEngine 12 84 3 4 virtual void QwtTextEngine textMargins const QFont amp font const QString text int amp left int amp right int amp top int amp bottom const pure virtual Return margins around the texts The textSize might include margins around the text like QFontMetrics descent In situations where texts need to be aligend in detail knowing these margins might improve the layout calculations Parameters font Font of the text text Text to be rendered left Return value for the left margin right Return value for the right margin top Return value for the top margin bottom Return value for the bottom margin Implemented in QwtPlainTextEngine QwtRichTextEngine and QwtMathMLTextEngine 12 84 3 5 virtual QSize QwtTextEngine textSize const QFont amp font int flags const QString text const pure virtual Returns the size that is needed to render text Parameters font Font of the text flags Bitwise OR of the flags like in for QPainter drawText text Text to be rendered Returns Caluclated size Implemented in QwtPlainTextEngine
54. 107 extend 107 intersect 108 intersects 108 invalidate 108 inverted 108 isNull 108 isValid 109 limited 109 maxValue 109 minValue 109 normalized 109 operator 110 operator z 110 operator amp 110 QwtDoubleInterval 107 setBorderFlags 111 setInterval 111 setMax Value 111 setMin Value 111 symmetrize 111 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 465 unite 112 width 112 QwtDoubleRange 112 QwtDoubleRange 113 exactPrevValue 114 exactValue 114 fitValue 114 incPages 114 incValue 114 isValid 115 maxValue 115 minValue 115 pageSize 115 periodic 115 prevValue 116 QwtDoubleRange 113 rangeChange 116 setPeriodic 116 setRange 116 setStep 117 setValid 117 setValue 117 step 117 stepChange 118 value 118 valueChange 118 QwtDynGridLayout 118 QwtDynGridLayout 119 addItem 120 columnsForWidth 120 count 120 expandingDirections 120 hasHeightForWidth 120 heightForWidth 121 invalidate 121 isEmpty 121 itemAt 121 itemCount 121 layoutGrid 121 layoutltems 122 maxCols 122 maxItemWidth 122 numCols 122 numRows 123 QwtDynGridLayout 119 setExpandingDirections 123 setGeometry 123 setMaxCols 123 sizeHint 123 stretchGrid 124 takeAt 124 QwtEventPattern 124 QwtEventPattern 128 initKeyPattern 129 initMousePattern 129 keyMatch 129 keyPattern 130 KeyPatternCod
55. 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 64 QwtPlotSpectrogram Class Reference 327 e virtual void draw QPainter p const QwtScaleMap amp xMap const QwtScaleMap amp yMap const QRect amp rect const Protected Member Functions virtual QImage renderlmage const QwtScaleMap amp xMap const QwtScaleMap amp yMap const Qwt DoubleRect amp rect const virtual QSize contourRasterSize const QwtDoubleRect amp const QRect amp const virtual QwtRasterData ContourLines renderContourLines const QwtDoubleRect amp rect const QSize amp raster const virtual void drawContourLines QPainter p const QwtScaleMap amp xMap const QwtScaleMap amp yMap const QwtRasterData ContourLines amp lines const 12 64 1 Detailed Description A plot item which displays a spectrogram A spectrogram displays threedimenional data where the 3rd dimension the intensity is displayed using colors The colors are calculated from the values using a color map In ContourMode contour lines are painted for the contour levels See also QwtRasterData QwtColorMap 12 64 2 Member Enumeration Documentation 12 64 2 1 enum QwtPlotSpectrogram DisplayMode The display mode controls how the raster data will be represented e ImageMode The values are mapped to colors using a color map e ContourMode The data is displayed using contour lines When both modes are enabled the contour lines are painted on top of the spectrogram The defaul
56. 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 8 QwtArrayData Class Reference 50 QwtArrayData amp operator const QwtArrayData amp virtual QwtData copy const virtual size_t size const virtual double x size_t 1 const virtual double y size_t 1 const const QwtArray lt double gt amp xData const const QwtArray lt double gt amp yData const virtual QwtDoubleRect boundingRect const 12 8 1 Detailed Description Data class containing two QwtArray lt double gt objects 12 8 2 Constructor amp Destructor Documentation 12 8 2 1 QwtArrayData QwtArrayData const QwtArray lt double gt amp x const QwtArray lt double gt y Constructor Parameters x Array of x values y Array of y values See also QwtPlotCurve setData 12 8 2 2 QwtArrayData QwtArrayData const double x const double y size_t size Constructor Parameters x Array of x values y Array of y values size Size of the x and y arrays See also QwtPlotCurve setData 12 8 3 Member Function Documentation 12 8 3 1 QwtDoubleRect QwtArrayData boundingRect const virtual Returns the bounding rectangle of the data If there is no bounding rect like for empty data the rectangle is invalid QwtDoubleRect isValid false Reimplemented from QwtData Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 8 QwtArrayData Class Reference 51 12 8 3 2 QwtData x QwtArra
57. 126 12 27 3 Constructor amp Destructor Documentation sooo e a 128 12 27 4 Member Function Documentation ooo ee eee 129 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen CONTENTS T 12 28QwtIntervalData Class Reference e 132 12 221 Detailed Descrip 2 2 even Cho bs a DS 132 12 28 2 Constructor amp Destructor Documentation 132 12 28 3 Member Function Documentation 2 00000 eee eee 133 12 29QwtKnob Class Reference oosa occa aa EE RA Ree BE ee S 134 12 79 Detaled D stription oz ptr ee eee oe oe ae ed 135 12 29 2 Member Enumeration Documentation 2 02000 135 12 29 3 Constructor Destructor Documentation o o 00 135 12 29 4 Member Function Documentation e e 136 12 30Cmilecend Class Rererenee ras A Bale Bed bee BAR eS 139 12 30 Detailed Description kkk sose Se ee eG Be ee Qe 4 140 12 30 2 Member Enumeration Documentation 2 0022 00 4 140 12 30 3 Constructor amp Destructor Documentation o o 141 12 30 4 Member Function Documentation e e 141 12 31QwtLegendltem Class Reference 2 0 ee ns ea 145 1231 1 Detuled Description s oze 644 046 He Ehecs eee eg ee bo ede S 147 12 31 2 Member Enumeration Documentation 00 147 12 31 3 Constructor amp Destructor Documentation 2 0
58. 149 keyReleaseEvent 149 mousePressEvent 149 mouseReleaseEvent 150 paintEvent 150 pressed 150 QwtLegendltem 147 released 150 setChecked 150 setCurvePen 150 setDown 151 setIdentifierMode 151 setIdentifierWidth 151 setltemMode 151 setSpacing 151 setSymbol 152 setText 152 sizeHint 152 spacing 152 symbol 152 QwtLegendItemManager 153 QwtLegendItemManager 153 legendItem 154 QwtLegendItemManager 153 updateLegend 154 QwtLinearColorMap 154 QwtLinearColorMap 156 addColorStop 156 colorl 156 color2 156 colorIndex 157 colorStops 157 copy 157 Mode 155 mode 157 operator 157 QwtLinearColorMap 155 156 rgb 157 setColorInterval 158 setMode 158 QwtLinearScaleEngine 158 align 159 autoScale 159 divideScale 160 transformation 160 QwtLog10ScaleEngine 160 autoScale 161 divideScale 161 log10 162 pow10 162 transformation 162 QwtMagnifier 162 QwtMagnifier 164 eventFilter 164 getMouseButton 164 getZoomInKey 164 getZoomOutKey 164 isEnabled 164 keyFactor 165 mouseFactor 165 parentWidget 165 QwtMagnifier 164 rescale 165 setEnabled 166 setKeyFactor 166 setMouseButton 166 setMouseFactor 166 setWheelButtonState 167 setWheelFactor 167 setZoomInKey 167 setZoomOutKey 168 wheelButtonState 168 wheelFactor 168 widgetKeyPressEvent 168 widgetKeyReleaseEvent 168 widgetMouseMoveEvent 169 widgetMousePressEvent 169 widgetMouseReleaseEvent 169
59. 164 QwtPanner 181 QwtPicker 193 QwtPlotRescaler 315 isNull QwtDoubleInterval 108 QwtText 421 isOrientationEnabled QwtPanner 181 isReadOnly QwtAbstractSlider 37 isScaleDivFromAxis QwtPlotScaleltem 321 is Valid QwtAbstractSlider 38 QwtDoubleInterval 109 QwtDoubleRange 115 QwtScaleDiv 362 QwtSpline 408 1sVisible QwtPlotItem 269 Item QwtPlotPrintFilter 305 itemAt QwtDynGridLayout 121 ItemAttribute QwtPlotItem 267 itemChanged QwtPlotItem 269 itemCount QwtDynGridLayout 121 QwtLegend 143 itemList QwtPlotDict 258 itemMode QwtLegend 144 QwtLegendItem 149 keyFactor QwtMagnifier 165 keyMatch QwtEventPattern 129 keyPattern QwtEventPattern 130 KeyPatternCode QwtEventPattern 126 keyPressEvent QwtAbstractSlider 38 QwtArrowButton 54 QwtCompass 61 QwtCounter 73 QwtDial 91 QwtLegendItem 149 keyReleaseEvent QwtLegendItem 149 knobWidth QwtKnob 136 label QwtAbstractScaleDraw 30 QwtDialScaleDraw 101 QwtPlotMarker 289 labelAlignment QwtPlotMarker 289 QwtScaleDraw 368 labelMap Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 459 QwtCompass 62 labelMatrix QwtScaleDraw 368 labelOrientation QwtPlotMarker 289 labelPosition QwtScaleDraw 368 labelRect QwtArrowButton 54 QwtScaleDraw 369 labelRotation QwtScaleDraw 369 labelSize QwtScaleDraw 369 LayoutAttribute QwtText 418 layoutContents QwtLegend 144 l
60. 2010 for Qwt User s Guide by Doxygen 12 27 QwtEventPattern Class Reference 130 12 27 4 4 bool QwtEventPattern keyMatch uint pattern const QKeyEvent x e const Compare a key event with an event pattern A key event matches the pattern when both have the same key value and in the state value the same key flags Qt KeyButtonMask are set Parameters pattern Index of the event pattern e Key event Returns true if matches See also mouseMatch 12 27 4 5 QwtArray lt QwtEventPattern KeyPattern gt amp QwtEventPattern keyPattern Return Key patterns 12 27 4 6 const QwtArray lt QwtEventPattern KeyPattern gt amp QwtEventPattern keyPattern const Return key patterns 12 27 4 7 bool QwtEventPattern mouseMatch const MousePattern pattern const QMouseEvent e const protected virtual Compare a mouse event with an event pattern A mouse event matches the pattern when both have the same button value and in the state value the same key flags Qt KeyButtonMask are set Parameters pattern Mouse event pattern e Mouse event Returns true if matches See also keyMatch Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 27 QwtEventPattern Class Reference 131 12 27 4 8 bool QwtEventPattern mouseMatch uint pattern const QMouseEvent x e const Compare a mouse event with an event pattern A mouse event matches the pattern when both have the same button val
61. 26 void QwtScaleDraw setLabelRotation double rotation Rotate all labels When changing the rotation it might be necessary to adjust the label flags too Finding a useful combination is often the result of try and error Parameters rotation Angle in degrees When changing the label rotation the label flags often needs to be adjusted too See also setLabelAlignment labelRotation labelAlignment 12 73 4 27 void QwtScaleDraw setLength int length Set the length of the backbone The length doesn t include the space needed for overlapping labels See also move minLabelDist 12 74 QwtScaleEngine Class Reference Base class for scale engines include lt qwt_scale_engine h gt Inheritance diagram for QwtScaleEngine QwtScaleEngine QwiLinearScaleEngine QwiLog10ScaleEngine Public Types e enum Attribute NoAttribute 0 IncludeReference 1 Symmetric 2 Floating 4 Inverted 8 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 74 QwtScaleEngine Class Reference 374 Public Member Functions e QwtScaleEngine virtual QwtScaleEngine void setAttribute Attribute bool on true bool testAttribute Attribute const void setAttributes int int attributes const void setReference double reference double reference const void setMargins double lower double upper double lowerMargin const double upperMargin const virtual
62. 3 Member Function Documentation ee eee 101 12 23QwtDialSimpleNeedle Class Reference o oo 102 12 23 1 Detailed Description cc reses EA RE a Eee 103 12 23 2 Member Enumeration Documentation 004 103 12 23 3 Constructor amp Destructor Documentation 05 9 eros RRS 103 12 23 4 Member Function Documentation e 104 12 24QwtDoubleInterval Class Reference o e 105 12241 Detaled Description sico a Bw 106 12 24 2 Member Enumeration Documentation o a 106 12 24 3 Constructor amp Destructor Documentation o a 107 12 24 4 Member Function Documentation e e e 107 12 23QwtDoubleKRange Class Reference cc ee crac dad ee eee eS 112 12 25 1 Detailed Description lt lt ee ee ee ee ee ee 113 12 25 2 Constructor amp Destructor Documentation 04646 0 4 66 4 eee a 113 12 25 3 Member Function Documentation lt ee es 114 12 26QwiDynGridLayout Class Reference we ee RR ee a 118 12 26 1 Detailed Description e o e oe ae bee era a ee ee 119 12 26 2 Constructor amp Destructor Documentation o 119 12 26 3 Member Function Documentation a 120 12 27 QwtEventPattern Class Reference 2 2 0 eee ee ee ee es 124 122741 Derailed Deschiption se es oe RR aaa ER SORE a ee 126 12 27 2 Member Enumeration Documentation ooo a
63. 341 minZoomSize 341 move 341 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 472 moveBy 341 QwtPlotZoomer 339 rescale 342 setAxis 342 setMaxStackDepth 342 setSelectionFlags 342 setZoomBase 343 widgetKeyPressEvent 343 widgetMouseReleaseEvent 343 zoom 344 zoomBase 344 zoomed 344 zoomRect 345 zoomRectIndex 345 zoomStack 345 QwtPolygonFData 345 copy 346 data 346 operator 346 QwtPolygonFData 346 size 346 x 347 y 347 QwtRasterData 347 QwtRasterData 349 boundingRect 349 ConrecAttribute 348 contourLines 349 copy 349 discardRaster 349 initRaster 350 QwtRasterData 348 range 350 rasterHint 350 setBoundingRect 350 value 351 QwtRichTextEngine 351 draw 352 heightForWidth 352 mightRender 352 QwtRichTextEngine 352 textMargins 353 textSize 353 QwtRoundScaleDraw 353 QwtRoundScaleDraw 355 center 355 drawBackbone 355 drawLabel 355 drawTick 356 extent 356 moveCenter 356 357 operator 357 QwtRoundScaleDraw 355 radius 357 setAngleRange 357 setRadius 357 QwtScaleArithmetic 358 ceil125 358 ceilEps 358 compareEps 359 divideEps 359 floor125 359 floorEps 359 QwtScaleDiv 360 contains 362 interval 362 invalidate 362 invert 362 isValid 362 lowerBound 362 operator 363 QwtScaleDiv 361 range 363 setInterval 363 setTicks 363 ticks 363 TickType 361 upperBound 364 QwtScaleDraw 364 Qwt
64. 342 dy Y offset Note The changed rectangle is limited by the zoom base 12 66 3 8 void QwtPlotZoomer rescale protected virtual Adjust the observed plot to zoomRect Note Initiates QwtPlot replot 12 66 3 9 void QwtPlotZoomer setAxis int xAxis int yAxis virtual Reinitialize the axes and set the zoom base to their scales Parameters xAxis X axis yAxis Y axis Reimplemented from QwtPlotPicker 12 66 3 10 void QwtPlotZoomer setMaxStackDepth int depth Limit the number of recursive zoom operations to depth A value of 1 set the depth to unlimited 0 disables zooming If the current zoom rectangle is below depth the plot is unzoomed Parameters depth Maximum for the stack depth See also maxStackDepth Note depth doesn t include the zoom base so zoomStack count might be maxStackDepth 1 12 66 3 11 void QwtPlotZoomer setSelectionFlags int flags virtual Set the selection flags Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 66 QwtPlotZoomer Class Reference 343 Parameters flags Or d value of QwtPicker RectSelectionType and QwtPicker SelectionMode The default value is QwtPicker RectSelection amp QwtPicker ClickSelection See also selectionFlags SelectionType RectSelectionType SelectionMode Note QwtPicker RectSelection will be auto added Reimplemented from QwtPicker 12 66 3 12 void QwtPlotZoomer setZoomB
65. 49 4 2 void QwtPlot autoRefresh slot Replots the plot if QwtPlot autoReplot is true Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 217 12 49 4 3 bool QwtPlot autoReplot const Returns true if the autoReplot option is set 12 49 4 4 bool QwtPlot axisAutoScale int axisId const Returns true if autoscaling is enabled Parameters axisId axis index 12 49 4 5 bool QwtPlot axisEnabled int axisId const Returns true if a specified axis is enabled Parameters axisId axis index 12 49 4 6 QFont QwtPlot axisFont int axisId const Returns the font of the scale labels for a specified axis Parameters axisId axis index 12 49 4 7 int QwtPlot axisMaxMajor int axisId const Returns the maximum number of major ticks for a specified axis Parameters axisId axis index sa setAxisMaxMajor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 218 12 49 4 8 int QwtPlot axisMaxMinor int axisId const Returns the maximum number of minor ticks for a specified axis Parameters axisId axis index sa setAxisMaxMinor 12 49 4 9 QwtScaleDiv x QwtPlot axisScaleDiv int axisId Return the scale division of a specified axis axisScaleDiv axisId gt lowerBound axisScaleDiv axisId gt upperBound are the current limits of the axis scale Parameters axisId axis i
66. 55 09 2010 for Qwt User s Guide by Doxygen INDEX 460 maxVal QwtCounter 74 max Value QwtDoublelnterval 109 QwtDoubleRange 115 QwtThermo 438 maxX Value QwtPlotCurve 250 max Y Value QwtPlotCurve 250 metricsMap QwtPainter 177 mightRender QwtMathMLTextEngine 172 QwtPlainTextEngine 211 QwtRichTextEngine 352 QwtTextEngine 428 minimumExtent QwtAbstractScaleDraw 31 minimumSizeHint QwtArrowButton 54 QwtDial 92 QwtKnob 136 QwtPlot 225 QwtPlotLayout 281 QwtScale Widget 388 QwtSlider 401 QwtTextLabel 432 QwtThermo 438 QwtWheel 447 minLabelDist QwtScaleDraw 370 minLength QwtScaleDraw 370 minPen QwtPlotGrid 261 minScaleArc QwtDial 92 minVal QwtCounter 74 minValue QwtDoublelnterval 109 QwtDoubleRange 115 QwtThermo 438 minX Value QwtPlotCurve 251 min Y Value QwtPlotCurve 251 minZoomSize QwtPlotZoomer 341 Mode QwtDial 86 QwtLinearColorMap 155 mode QwtDial 92 QwtLinearColorMap 157 mouseFactor QwtMagnifier 165 mouseMatch QwtEventPattern 130 mouseMoveEvent QwtAbstractSlider 38 mousePattern QwtEventPattern 131 MousePatternCode QwtEventPattern 127 mousePressEvent QwtAbstractSlider 39 QwtLegendItem 149 mouseReleaseEvent QwtAbstractSlider 39 QwtLegendItem 150 move QwtPicker 193 QwtPlotPicker 301 QwtPlotZoomer 341 QwtScaleDraw 370 371 moveBy QwtPlotZoomer 341 moveCanvas QwtPlotPanner 295 moveCenter QwtRoundScaleDraw 356 357 moved QwtPanner 181 Qw
67. 9 QLayoutltem x QwtDynGridLayout itemAt int index const virtual Find the item at a spcific index Parameters index Index See also takeAt 12 26 3 10 uint QwtDynGridLayout itemCount const Returns number of layout items Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 26 QwtDynGridLayout Class Reference 122 12 26 3 11 void QwtDynGridLayout layoutGrid uint numCols QwtArray lt int gt amp rowHeight QwtArray lt int gt colWidth const protected Calculate the dimensions for the columns and rows for a grid of numCols columns Parameters numCols Number of columns rowHeight Array where to fill in the calculated row heights colWidth Array where to fill in the calculated column widths 12 26 3 12 QList lt QRect gt QwtDynGridLayout layoutItems const QRect amp rect uint numCols const Calculate the geometries of the layout items for a layout with numCols columns and a given rect Parameters rect Rect where to place the items numCols Number of columns Returns item geometries 12 26 3 13 uint QwtDynGridLayout maxCols const Return the upper limit for the number of columns 0 means unlimited what is the default See also setMaxCols 12 26 3 14 int QwtDynGridLayout maxItemWidth const virtual Returns the maximum width of all layout items 12 26 3 15 uint QwtDynGridLayout numCols const Returns Number of columns of the cur
68. A signal emitted when a point has been appended to the selection Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 59 QwtPlotPicker Class Reference 300 Parameters pos Position of the appended point See also append moved 12 59 3 3 const QwtPlotCanvas QwtPlotPicker canvas const Return Observed plot canvas 12 59 3 4 QwtPlotCanvas QwtPlotPicker canvas Return observed plot canvas 12 59 3 5 bool QwtPlotPicker end bool ok true protected virtual Close a selection setting the state to inactive Parameters ok If true complete the selection and emit selected signals otherwise discard the selection Returns true if the selection is accepted false otherwise Reimplemented from QwtPicker Reimplemented in QwtPlotZoomer 12 59 3 6 QwtDoublePoint QwtPlotPicker invTransform const QPoint amp pos const protected Translate a point from pixel into plot coordinates Returns Point in plot coordinates See also QwtPlotPicker transform 12 59 3 7 QwtDoubleRect QwtPlotPicker invTransform const QRect amp rect const protected Translate a rectangle from pixel into plot coordinates Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 59 QwtPlotPicker Class Reference 301 Returns Rectangle in plot coordinates See also QwtPlotPicker transform 12 59 3 8 void QwtPlotPicker move const QPoint amp pos p
69. Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 84 QwtTextEngine Class Reference 427 12 83 4 29 QFont QwtText usedFont const QFont amp defaultFont const Return the font of the text if it has one Otherwise return defaultFont Parameters defaultFont Default font See also setFont font PaintAttributes 12 84 QwtTextEngine Class Reference Abstract base class for rendering text strings include lt qwt_text_engine h gt Inheritance diagram for QwtTextEngine QwtTextEngine QwiMathMLTextEngine QwiPlainTextEngine QwiRichTextEngine Public Member Functions virtual QwtTextEngine virtual int heightForWidth const QFont amp font int flags const QString amp text int width const 0 virtual QSize textSize const QFont amp font int flags const QString amp text const 0 virtual bool mightRender const QString amp text const 0 virtual void textMargins const QFont amp font const QString amp text int amp left int amp right int amp top int amp bottom const 0 virtual void draw QPainter painter const QRect amp rect int flags const QString amp text const 0 Protected Member Functions e QwtTextEngine 12 84 1 Detailed Description Abstract base class for rendering text strings A text engine is responsible for rendering texts for a specific text format They are used by QwtText to render a text QwtPlainTextEngine and QwtRichTextEngine are part of the Qwt library Qwt
70. Destructor Documentation o o a 383 12 76 3 Member Function Documentation p lt o seren pesare tipes aa 384 12 7 POwiscale Widget Class Reference o coe he Bede Bale es BAS SS 385 12 7741 Detailed Description o c e eao o ee a ARA a a 386 12 77 2 Constructor amp Destructor Documentation sooo a 386 12 77 3 Member Function Documentation a 386 12 78QwtSimpleCompassRose Class Referente 6 5 co ce Re ER eS 394 12 73 Detailed Description o e see ee A ee we ee 395 12 78 2 Constructor amp Destructor Documentation o 395 12 78 3 Member Function Documentation 2 00002 ee eee 395 12 7900 Shier Class Rererenc coco ee eee ee EERO Lhe 397 12 79 1 Detailed Description osos nea eee eh ee e 398 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen CONTENTS xi 12 79 2 Member Enumeration Documentation e 00 398 12 79 3 Constructor amp Destructor Documentation o o 399 12 79 4 Member Function Documentation e 399 12 800 wtSpline Class Reference o oo 02 reses ewe 405 1280 1 Det led Deseripuati o si ei eean BO SAE SAS EH ele PS BH Se 406 12 80 2 Member Enumeration Documentation 2 2 002000 406 12 80 3 Constructor Destructor Documentation o o 406 12 80 4 Member Function Documentation e o 407 12 61QwtSplineCurv
71. Doxygen 12 54 QwtPlotltem Class Reference 270 12 54 4 9 QWidget x QwtPlotItem legendItem const virtual Allocate the widget that represents the item on the legend The default implementation is made for QwtPlotCurve and returns a QwtLegendItem but an item could be represented by any type of widget by overloading legendItem and updateLegend Returns QwtLegendItem See also updateLegend QwtLegend Implements QwtLegendItemManager 12 54 4 10 QRect QwtPlotItem paintRect const QwtScaleMap xMap const QwtScaleMap amp yMap const Calculate the bounding paint rect of 2 maps Parameters xMap X map yMap X map Returns Bounding rect of the scale maps 12 54 4 11 QwtPlot x QwtPlotItem plot const Return attached plot 12 54 4 12 int QwtPlotItem rtti const virtual Return rtti for the specific class represented QwtPlotItem is simply a virtual interface class and base classes will implement this method with specific rtti values so a user can differentiate them The rtti value is useful for environments where the runtime type information is disabled and it is not possible to do a dynamic_cast lt gt Returns rtti value See also Rtti Values Reimplemented in QwtPlotCurve QwtPlotGrid QwtPlotMarker QwtPlotScaleltem QwtPlotSpectro gram and QwtPlotSvgltem Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 54 QwtPlotltem Class Reference 271 12 5
72. Operating system as well as its variant the GNU Linux operating system Although the Lesser General Public License is Less protective of the users freedom it does ensure that the user of a program that is linked with the Library has the freedom and the wherewithal to run that program using a modified version of the Library The precise terms and conditions for copying distribution and modification follow Pay close attention to the difference between a work based on the library and a work that uses the library The former contains code derived from the library whereas the latter must be combined with the library in order to run GNU LESSER GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING DISTRIBUTION AND MODIFICATION 0 This License Agreement applies to any software library or other program which contains a notice placed by the copyright holder or other authorized party saying it may be distributed under the terms of this Lesser General Public License also called this License Each licensee is addressed as you A library means a collection of software functions and or data prepared so as to be conveniently linked with application programs which use some of those functions and data to form executables The Library below refers to any such software library or work which has been distributed under these terms A work based on the Library means either the Library or any derivative work under copyright la
73. PARTICULAR PURPOSE See the GNU Lesser General Public License for more details You should have received a copy of the GNU Lesser General Public License along with this library if not write to the Free Software Foundation Inc 59 Temple Place Suite 330 Boston MA 02111 1307 USA Also add information on how to contact you by electronic and paper mail You should also get your employer if you work as a programmer or your school if any to sign a copyright disclaimer for the library if necessary Here is a sample alter the names Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 3 INSTALL 11 Yoyodyne Inc hereby disclaims all copyright interest in the library Frob a library for tweaking knobs written by James Random Hacker lt signature of Ty Coon gt 1 April 1990 Ty Coon President of Vice That s all there is to it 3 INSTALL Introduction Qwt uses qmake to build all its components and examples qmake is part of a Qt distribution qmake reads project files that contain the options and rules how to build a certain project A project file ends with the suffix x pro Files that end with the suffix pri are included by the project files and contain definitions that are common for several project files qwtconfig pri is read by all project files of the Qwt package So the first step is to edit qwtconfig pri to adjust it to your needs MathML Extension Qwt 0t
74. Parameters boundingRect Bounding rectangle See also boundingRect 12 68 4 9 virtual double QwtRasterData value double x double y const pure virtual Returns the value at a raster position Parameters x X value in plot coordinates y Y value in plot coordinates 12 69 QwtRichTextEngine Class Reference A text engine for Qt rich texts include lt qwt_text_engine h gt Inheritance diagram for QwtRichTextEngine QwtTextEngine QwtRichTextEngine Public Member Functions e QwtRichTextEngine virtual int heightForWidth const QFont amp font int flags const QString amp text int width const virtual QSize textSize const QFont amp font int flags const QString amp text const virtual void draw QPainter painter const QRect amp rect int flags const QString amp text const virtual bool mightRender const QString amp const virtual void textMargins const QFont amp const QString amp int amp left int amp right int amp top int amp bot tom const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 69 QwtRichTextEngine Class Reference 352 12 69 1 Detailed Description A text engine for Qt rich texts QwtRichTextEngine renders Qt rich texts using the classes of the Scribe framework of Qt 12 69 2 Constructor amp Destructor Documentation 12 69 2 1 QwtRichTextEngine QwtRichTextEngine Constructor 12 69 3 Member Function Documentation 12
75. Projects OwtPolar a polar plot widget OwtP1ot 3D an OpenGL 3D plot widget OtiPlot data analysis and scientific plotting tool using QwtPlot 1 8 Language Bindings PyOwt a set of Qwt Python bindings Korundum Ot Ruby including a set of Qwt Ruby bindings 1 9 Donations Sourceforge offers a Donation System via PayPal You can use it if you like to support the devel opment of Qwt 1 10 Credits Authors Uwe Rathmann Josef Wilgen lt Qwt 0 2 Project admin Uwe Rathmann lt rathmann users sourceforge net gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 2 Qwt License Version 1 0 2 Qwt License Version 1 0 Qwt License Version 1 0 January 1 2003 The Qwt library and included programs are provided under the terms of the GNU LESSER GENERAL PUBLIC LICENSE LGPL with the following exceptions 1 Widgets that are subclassed from Qwt widgets do not constitute a derivative work 2 Static linking of applications and widgets to the Qwt library does not constitute a derivative work and does not require the author to provide source code for the application or widget use the shared Qwt libraries or link their applications or widgets against a user supplied version of Qwt If you link the application or widget to a modified version of Qwt then the changes to Qwt must be provided under the terms of the LGPL in sections 1 2 and 4 3 You do not have to provide a copy
76. QEvent x 0 void reset int state const void setState int Protected Member Functions e QwtPickerMachine 12 46 1 Detailed Description A state machine for QwtPicker selections QwtPickerMachine accepts key and mouse events and translates them into selection commands See also QwtEventPattern MousePatternCode QwtEventPattern KeyPatternCode 12 46 2 Member Enumeration Documentation 12 46 2 1 enum QwtPickerMachine Command Commands the output of the state machine 12 46 3 Constructor amp Destructor Documentation 12 46 3 1 QwtPickerMachine QwtPickerMachine virtual Destructor 12 46 3 2 QwtPickerMachine QwtPickerMachine protected Constructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 47 QwtPickerPolygonMachine Class Reference 208 12 46 4 Member Function Documentation 12 46 4 1 void QwtPickerMachine reset Set the current state to 0 12 46 4 2 void QwtPickerMachine setState int state Change the current state 12 46 4 3 int QwtPickerMachine state const Return the current state 12 46 4 4 virtual CommandList QwtPickerMachine transition const QwtEventPattern amp const QEvent x pure virtual Transition Implemented in QwtPickerClickPointMachine QwtPickerDragPointMachine QwtPickerClickRectMa chine QwtPickerDragRectMachine and QwtPickerPolygonMachine 12 47 QwtPickerPolygonMachine Class Reference A state mach
77. QwtRichTextEngine and QwtMathMLTextEngine Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 85 QwtTextLabel Class Reference 430 12 85 QwtTextLabel Class Reference A Widget which displays a QwtText include lt qwt_text_label h gt Inheritance diagram for QwtTextLabel QwtTextLabel QwtLegenditem Public Slots e void setText const QString 8 QwtText TextFormat textFormat QwtText AutoText e virtual void setText const QwtText amp e void clear Public Member Functions e QwtTextLabel QWidget parent NULL e QwtTextLabel const QwtText 82 QWidget parent NULL virtual QwtTextLabel const QwtText amp text const int indent const void setIndent int int margin const void setMargin int virtual QSize sizeHint const virtual QSize minimumSizeHint const virtual int heightForWidth int const e QRect textRect const Protected Member Functions e virtual void paintEvent QPaintEvent xe e virtual void drawContents QPainter x e virtual void drawText QPainter x const QRect amp 12 85 1 Detailed Description A Widget which displays a QwtText Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 85 QwtTextLabel Class Reference 431 12 85 2 Constructor amp Destructor Documentation 12 85 2 1 QwtTextLabel QwtTextLabel QWidget parent NULL explicit Constructs an empty label Parameters parent Parent w
78. QwtRoundScaleDraw 357 range QwtRasterData 350 QwtScaleDiv 363 rangeChange QwtCounter 74 QwtDial 93 QwtDoubleRange 116 QwtSlider 401 rasterHint QwtPlotRasterItem 310 QwtPlotSpectrogram 330 QwtRasterData 350 RectSelectionType QwtPicker 188 reference QwtScaleEngine 376 referenceAxis QwtPlotRescaler 316 released QwtLegendItem 150 remove QwtLegend 144 render QwtPlotSvgltem 336 renderContourLines QwtPlotSpectrogram 331 renderFlags QwtText 422 RenderHint QwtPlotltem 267 renderImage Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 476 QwtPlotRasterltem 310 QwtPlotSpectrogram 331 replot QwtPlot 228 QwtPlotCanvas 238 rescale QwtAbstractScale 23 QwtMagnifier 165 QwtPlotMagnifier 285 QwtPlotRescaler 316 QwtPlotZoomer 342 RescalePolicy QwtPlotRescaler 313 rescalePolicy QwtPlotRescaler 316 reset QwtPicker 194 QwtPickerMachine 208 QwtPlotPrintFilter 306 QwtSpline 408 resetMetricsMap QwtPainter 177 resizeEvent QwtDial 93 QwtKnob 137 QwtLegend 144 QwtPlot 228 QwtScaleWidget 389 QwtSlider 401 QwtThermo 438 QwtWheel 447 ResizeMode QwtPicker 188 resizeMode QwtPicker 194 reb QwtAlphaColorMap 44 QwtColorMap 59 QwtLinearColorMap 157 rose QwtCompass 62 rtti QwtPlotCurve 251 QwtPlotGrid 262 QwtPlotItem 270 QwtPlotMarker 290 QwtPlotScaleltem 322 QwtPlotSpectrogram 331 Q
79. QwtScaleDiv amp Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 63 QwtPlotScaleItem Class Reference 320 e const QwtScaleDiv amp scaleDiv const e void setScaleDivFromAxis bool on e bool isScaleDivFromAxis const e void setPalette const QPalette amp e QPalette palette const e void setFont const QFont amp e QFont font const e void setScaleDraw QwtScaleDraw x e const QwtScaleDraw scaleDraw const e QwtScaleDraw scaleDraw e void setPosition double pos e double position const e void setBorderDistance int numPixels e int borderDistance const e void setAlignment QwtScaleDraw Alignment e virtual void draw QPainter p const QwtScaleMap amp xMap const QwtScaleMap amp yMap const QRect amp rect const e virtual void updateScaleDiv const QwtScaleDiv amp const QwtScaleDiv amp 12 63 1 Detailed Description A class which draws a scale inside the plot canvas QwtPlotScaleltem can be used to draw an axis inside the plot canvas It might by synchronized to one of the axis of the plot but can also display its own ticks and labels It is allowed to synchronize the scale item with a disabled axis In plots with vertical and horizontal scale items it might be necessary to remove ticks at the intersections by overloading updateScaleDiv The scale might be at a specific position f e 0 0 or it might be aligned to a canvas border Example
80. Reference QwtPlotMagnifier provides zooming by magnifying in steps include lt qwt_plot_magnifier h gt Inheritance diagram for QwtPlotMagnifier QwiMagnifier QwtPlotMagnifier Public Member Functions e QwtPlotMagnifier QwtPlotCanvas virtual QwtPlotMagnifier void setAxisEnabled int axis bool on bool isAxisEnabled int axis const QwtPlotCanvas canvas const QwtPlotCanvas canvas const QwtPlot x plot const QwtPlot x plot const Protected Member Functions e virtual void rescale double factor 12 56 1 Detailed Description QwtPlotMagnifier provides zooming by magnifying in steps Using QwtPlotMagnifier a plot can be zoomed in out in steps using keys the mouse wheel or moving a mouse button in vertical direction Together with QwtPlotZoomer and QwtPlotPanner it is possible to implement individual and powerful navigation of the plot canvas See also QwtPlotZoomer QwtPlotPanner QwtPlot 12 56 2 Constructor amp Destructor Documentation 12 56 2 1 QwtPlotMagnifier QwtPlotMagnifier QwtPlotCanvas canvas explicit Constructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 56 QwtPlotMagnifier Class Reference 285 Parameters canvas Plot canvas to be magnified 12 56 2 2 QwtPlotMagnifier QwtPlotMagnifier virtual Destructor 12 56 3 Member Function Documentation 12 56 3 1 const QwtPlotCanvas QwtPlotMagnifier canvas const
81. SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES E E END OF TERMS AND CONDITIONS How to Apply These Terms to Your New Libraries If you develop a new library and you want it to be of the greatest possible use to the public we recommend making it free software that everyone can redistribute and change You can do so by permitting redistribution under these terms or alternatively under the terms of the ordinary General Public License To apply these terms attach the following notices to the library It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty and each file should have at least the copyright line and a pointer to where the full notice is found lt one line to give the library s name and a brief idea of what it does gt Copyright C lt year gt lt name of author gt This library is free software you can redistribute it and or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation either version 2 1 of the License or at your option any later version This library is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
82. See also setDefaultContourPen 12 64 4 8 void QwtPlotSpectrogram draw QPainter x painter const QwtScaleMap amp xMap const QwtScaleMap amp yMap const QRect amp canvasRect const virtual Draw the spectrogram Parameters painter Painter xMap Maps x values into pixel coordinates yMap Maps y values into pixel coordinates canvasRect Contents rect of the canvas in painter coordinates See also setDisplayMode renderlmage QwtPlotRasterItem draw drawContourLines Reimplemented from QwtPlotRasterltem 12 64 4 9 void QwtPlotSpectrogram drawContourLines QPainter painter const QwtScaleMap amp xMap const QwtScaleMap amp yMap const QwtRasterData ContourLines amp contourLines const protected virtual Paint the contour lines Parameters painter Painter xMap Maps x values into pixel coordinates yMap Maps y values into pixel coordinates contourLines Contour lines See also renderContourLines defaultContourPen contourPen Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 64 QwtPlotSpectrogram Class Reference 331 12 64 4 10 QSize QwtPlotSpectrogram rasterHint const QwtDoubleRect amp rect const virtual Returns the recommended raster for a given rect Fe the raster hint is used to limit the resolution of the image that is rendered Parameters rect Rect for the raster hint Returns data rasterHint rect Reimplemented from QwtPlotRaste
83. See also QwtEventPattern MousePatternCode QwtEventPattern KeyPatternCode 12 43 2 Member Function Documentation 12 43 2 1 QwtPickerMachine CommandList QwtPickerClickRectMachine transition const QwtEventPattern amp eventPattern const QEvent xe virtual Transition Implements QwtPickerMachine 12 44 QwtPickerDragPointMachine Class Reference A state machine for point selections tinclude lt qwt_picker_machine h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 45 QwtPickerDragRectMachine Class Reference 205 Inheritance diagram for QwtPickerDragPointMachine QwtPickerMachine QwtPickerDragPointMachine Public Member Functions e virtual CommandList transition const QwtEventPattern amp const QEvent 12 44 1 Detailed Description A state machine for point selections Pressing QwtEventPattern MouseSelectl or QwtEventPat tern KeySelectl starts the selection releasing QwtEventPattern MouseSelectl or a second press of QwtEventPattern KeySelectl terminates it 12 44 2 Member Function Documentation 12 44 2 1 QwtPickerMachine CommandList QwtPickerDragPointMachine transition const QwtEventPattern amp eventPattern const QEvent xe virtual Transition Implements QwtPickerMachine 12 45 QwtPickerDragRectMachine Class Reference A state machine for rectangle selections include lt qwt_picker_machine h gt Inheritance diagram for QwtPickerDragRectMachin
84. The following example shows how to replace the left axis by a scale item at the x position 0 0 OwtPlotScaleltem scaleltem new QwtPlotScaleItem QwtScaleDraw RightScale 0 0 scaleltem gt setFont plot gt axisWidget QwtPlot yLeft gt font scaleltem gt attach plot plot gt enableAxis QwtPlot yleft false 12 63 2 Constructor amp Destructor Documentation 12 63 2 1 QwtPlotScaleltem QwtPlotScaleltem QwtScaleDraw Alignment alignment QwtScaleDraw BottomScale const double pos 0 0 explicit Constructor for scale item at the position pos Parameters alignment In case of QwtScaleDraw BottomScale QwtScaleDrawTopScale the scale item is corre sponding to the xAxis otherwise it corresponds to the yAxis pos x ory position depending on the corresponding axis Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 63 QwtPlotScaleItem Class Reference 321 See also setPosition setAlignment 12 63 2 2 QwtPlotScaleItem QwtPlotScaleltem 0 virtual Destructor 12 63 3 Member Function Documentation 12 63 3 1 int QwtPlotScaleltem borderDistance const Returns Distance from a canvas border See also setBorderDistance setPosition 12 63 3 2 void QwtPlotScaleltem draw QPainter x p const QwtScaleMap xMap const QwtScaleMap amp yMap const QRect amp rect const virtual Draw the scale Implements QwtPlotltem 12 63 3 3 QFont QwtPlotSca
85. a rectangle e PolygonSelection Select a polygon The default value is NoSelection See also QwtPicker setSelectionFlags QwtPicker selectionFlags 12 41 3 Constructor amp Destructor Documentation 12 41 3 1 QwtPicker QwtPicker QWidget parent explicit Constructor Creates an picker that is enabled but where selection flag is set to NoSelection rubberband and tracker are disabled Parameters parent Parent widget that will be observed 12 41 3 2 QwtPicker QwtPicker int selectionFlags RubberBand rubberBand DisplayMode trackerMode QWidget x parent explicit Constructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 191 Parameters selectionFlags Or d value of SelectionType RectSelectionType and SelectionMode rubberBand Rubberband style trackerMode Tracker mode parent Parent widget that will be observed 12 41 3 3 QwtPicker QwtPicker virtual Destructor 12 41 4 Member Function Documentation 12 41 4 1 bool QwtPicker accept QwtPolygon selection const protected virtual Validate and fixup the selection Accepts all selections unmodified Parameters selection Selection to validate and fixup Returns true when accepted false otherwise Reimplemented in QwtPlotZoomer 12 41 42 void QwtPicker append const QPoint amp pos protected virtual Append a point to the selection and update rubberband
86. also setFillBrush 12 86 3 9 const QColor amp QwtThermo fillColor const Return the liquid color See also setFillColor 12 86 3 10 void QwtThermo fontChange const QFont amp oldFont protected virtual Notify a font change Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 86 QwtThermo Class Reference 438 12 86 3 11 void QwtThermo layoutThermo bool update_geometry true protected Recalculate the QwtThermo geometry and layout based on the QwtThermo rect and the fonts Parameters update_geometry notify the layout system and call update to redraw the scale 12 86 3 12 double QwtThermo maxValue const Return the maximum value 12 86 3 13 QSize QwtThermo minimumSizeHint const virtual Return a minimum size hint Warning The return value depends on the font and the scale See also sizeHint 12 86 3 14 double QwtThermo minValue const Return the minimum value 12 86 3 15 void QwtThermo paintEvent QPaintEvent x event protected virtual Qt paint event event Paint event 12 86 3 16 int QwtThermo pipeWidth const Return the width of the pipe See also setPipeWidth 12 86 3 17 void QwtThermo resizeEvent QResizeEvent xe protected virtual Qt resize event handler Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 86 QwtThermo Class Reference 439 12 86 3 18 void QwtThermo scaleChange
87. baseline const Return the value of the baseline See also setBaseline 12 51 42 QwtDoubleRect QwtPlotCurve boundingRect const virtual Returns the bounding rectangle of the curve data If there is no bounding rect like for empty data the rectangle is invalid See also QwtData boundingRect QwtDoubleRect is Valid Reimplemented from QwtPlotltem 12 51 4 3 const QBrush amp QwtPlotCurve brush const Return the brush used to fill the area between lines and the baseline See also setBrush setBaseline baseline 12 51 4 4 void QwtPlotCurve closePolyline const QwtScaleMap amp xMap const QwtScaleMap amp yMap QwtPolygon amp pa const protected Complete a polygon to be a closed polygon including the area between the original polygon and the base line Parameters xMap X map yMap Y map pa Polygon to be completed 12 51 4 5 int QwtPlotCurve closestPoint const QPoint amp pos double dist NULL const Find the closest curve point for a specific position Parameters pos Position where to look for the closest curve point Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 246 dist If dist NULL closestPoint returns the distance between the position and the clostest curve point Returns Index of the closest curve point or 1 if none can be found f e when the curve has no points Note closestPoint
88. const Returns Rescale policy See also setRescalePolicy 12 62 4 17 void QwtPlotRescaler setAspectRatio int axis double ratio Set the aspect ratio between the scale of the reference axis and another scale The default ratio is 1 0 Parameters axis Axis index see QwtPlot AxisId ratio Aspect ratio See also aspectRatio 12 62 4 18 void QwtPlotRescaler setAspectRatio double ratio Set the aspect ratio between the scale of the reference axis and the other scales The default ratio is 1 0 Parameters ratio Aspect ratio See also aspectRatio 12 62 4 19 void QwtPlotRescaler setEnabled bool on En disable the rescaler When enabled is true an event filter is installed for the canvas otherwise the event filter is removed Parameters on true or false See also isEnabled eventFilter Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 62 QwtPlotRescaler Class Reference 318 12 62 4 20 void QwtPlotRescaler setExpandingDirection int axis ExpandingDirection direction Set the direction in which an axis should be expanded Parameters axis Axis index see QwtPlot AxisId direction Direction See also expandingDirection 12 62 4 21 void QwtPlotRescaler setExpandingDirection ExpandingDirection direction Set the direction in which all axis should be expanded Parameters direction Direction See also expandingDirection 12 62 4 22
89. const QwtDoubleRect amp rect const protected Translate a rectangle from plot into pixel coordinates Returns Rectangle in pixel coordinates See also QwtPlotPicker invTransform Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 60 QwtPlotPrintFilter Class Reference 304 12 59 3 21 int QwtPlotPicker xAxis const Return x axis 12 59 3 22 int QwtPlotPicker yAxis const Return y axis 12 60 QwtPlotPrintFilter Class Reference A base class for plot print filters include lt qwt_plot_printfilter h gt Public Types e enum Options PrintMargin 1 PrintTitle 2 PrintLegend 4 PrintGrid 8 PrintBackground 16 PrintFrameWithScales 32 PrintAll PrintFrameWithScales enum Item Title Legend Curve CurveSymbol Marker MarkerSymbol MajorGrid MinorGrid CanvasBackground AxisScale AxisTitle WidgetBackground Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 60 QwtPlotPrintFilter Class Reference 305 Public Member Functions e QwtPlotPrintFilter virtual QwtPlotPrintFilter virtual QColor color const QColor amp Item item const virtual QFont font const QFont amp Item item const void setOptions int options int options const virtual void apply QwtPlot const virtual void reset QwtPlot const virtual void apply QwtPlotltem x const virtual void reset QwtPlotltem cons
90. control sequences for setting colors 12 83 4 16 void QwtText setFont const QFont font Set the font Parameters font Font Note Setting the font might have no effect when the text contains control sequences for setting fonts 12 83 4 17 void QwtText setLayoutAttribute LayoutAttribute attribute bool on true Change a layout attribute Parameters attribute Layout attribute on On Off See also testLayoutAttribute 12 83 4 18 void QwtText setPaintAttribute PaintAttribute attribute bool on true Change a paint attribute Parameters attribute Paint attribute on On Off Note Used by setFont setColor setBackgroundPen and setBackgroundBrush See also testPaintAttribute Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 83 QwtText Class Reference 424 12 83 4 19 void QwtText setRenderFlags int renderFlags Change the render flags The default setting is Qt AlignCenter Parameters renderFlags Bitwise OR of the flags used like in QPainter drawText See also renderFlags QwtTextEngine draw Note Some renderFlags might have no effect depending on the text format 12 83 4 20 void QwtText setText const QString amp text QwtText TextFormat textFormat AutoText Assign a new text content Parameters text Text content textFormat Text format See also textQ 12 83 4 21 void QwtText setTextEngine QwtText TextFormat form
91. draw QPainter x painter const QPoint center int length double direction QPalette ColorGroup colorGroup QPalette Active const virtual Draw the needle Parameters painter Painter center Center of the dial start position for the needle length Length of the needle direction Direction of the needle in degrees counter clockwise colorGroup Color group used for painting Implements QwtDialNeedle 12 23 4 2 void QwtDialSimpleNeedle drawArrowNeedle QPainter painter const QPalette amp palette QPalette ColorGroup colorGroup const QPoint center int length int width double direction bool hasKnob static Draw a needle looking like an arrow Parameters painter Painter palette Palette colorGroup Color group center center of the needle length Length of the needle width Width of the needle direction Current Direction hasKnob With Without knob 12 23 4 3 void QwtDialSimpleNeedle drawRayNeedle QPainter x painter const QPalette amp palette QPalette ColorGroup colorGroup const QPoint center int length int width double direction bool hasKnob static Draw a needle looking like a ray Parameters painter Painter palette Palette colorGroup Color group center center of the needle length Length of the needle width Width of the needle direction Current Direction hasKnob With Without knob Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 24 QwtDoublelnterval Cla
92. e 64 12 13 1 Detailed Description 5 ec ba css ondas ea o eR ee 65 12 13 2 Member Enumeration Documentation 2 2200 65 12 13 3 Constructor Destructor Documentation 24 e 4 e Gee be Be RS 65 12 13 4 Member Function Documentation 000002 2 eae 65 12 140 wtCompassRose Class Reference ooo oc Se ee ee Ow eR 67 12 14 1 Detaled Description iS a eee a A CR eS 67 12 14 2 Member Function Documentation 0 00002 eee 67 12 15QwtCompassWindArrow Class Reference o 2 2 00 00 05000 68 1213 1 Detled Description lt czo siroa a eee Ehecs eee eg eee dt oe A 69 12 15 2 Member Enumeration Documentation 2 0 22 004 69 12 15 3 Constructor amp Destructor Documentation o 69 12 15 4 Member Function Documentation 2 000000 ee ee 69 12 160 wtCounter Class Reference 2 ccs ed drea a wee Re 70 12 16 1 Detailed Description oe c e e osea t oe a ee a A Ee a N 72 12 16 2 Member Enumeration Documentation 2 220 00 72 12 16 3 Constructor amp Destructor Documentation eee ee lt lt 72 12 16 4 Member Function Documentation 20 0020 pee eee 73 12 17QwtCPointerData Class Reference ee 78 2171 Detaled Description 2 ns a See EY ee eRe SS Ee A eS 78 12 17 2 Constructor amp Destructor Documentation cios rs Ba 78 12 133 Member Function Documentation lt lt sea A E 79 12 180 m
93. either source or binary form with the major components compiler kernel and so on of the operating system on which the executable runs unless that component itself accompanies the executable It may happen that this requirement contradicts the license restrictions of other proprietary libraries that do not normally accompany the operating system Such a contradiction means you Cannot use both them and the Library together in an executable that you distribute 7 You may place library facilities that are a work based on the Library side by side in a single library together with other library facilities not covered by this License and distribute such a combined library provided that the separate distribution of the work based on the Library and of the other library facilities is otherwise permitted and provided that you do these two things a Accompany the combined library with a copy of the same work based on the Library uncombined with any other library facilities This must be distributed under the terms of the Sections above b Give prominent notice with the combined library of the fact that part of it is a work based on the Library and explaining where to find the accompanying uncombined form of the same work 8 You may not copy modify sublicense link with or distribute the Library except as expressly provided under this License Any attempt otherwise to copy modify sublicense link with or distribute the Library is v
94. floating point based coordinates what makes it possible always to render in screen coordinates with a common scale factor QwtMetricsMap will be obsolete as soon as Qt3 support has been dropped Qwt 6 x Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 39 QwtPainter Class Reference 174 12 38 2 Member Function Documentation 12 38 2 1 QRect QwtMetricsMap translate const QMatrix amp m const QRect amp rect static Wrapper for QMatrix mapRect Parameters m Matrix rect Rectangle to translate Returns Translated rectangle 12 38 2 2 QwtPolygon QwtMetricsMap translate const QMatrix amp m const QwtPolygon amp pa static Wrapper for QMatrix map Parameters m Matrix pa Polygon to translate Returns Translated polygon 12 39 QwtPainter Class Reference A collection of QPainter workarounds include lt qwt_painter h gt Static Public Member Functions static void setMetricsMap const QPaintDevice layout const QPaintDevice device static void setMetricsMap const QwtMetricsMap amp static void resetMetricsMap static const QwtMetricsMap amp metricsMap static void setDeviceClipping bool static bool deviceClipping static const QRect amp deviceClipRect static void setClipRect QPainter x const QRect amp static void drawText QPainter x int x int y const QString amp static void drawText QPainter const QPoint amp const Q
95. hd Specifies the type of hand See also setHand 12 7 4 4 const QwtDialNeedle QwtAnalogClock hand Hand hd const Returns Clock hand Parameters hd Specifies the type of hand See also setHand 12 7 4 5 QwtText QwtAnalogClock scaleLabel double value const protected virtual Find the scale label for a given value Parameters value Value Returns Label Reimplemented from QwtDial Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 8 QwtArrayData Class Reference 49 12 7 4 6 void QwtAnalogClock setCurrentTime slot Set the current time This is the same as QwtAnalogClock setTime but Qt lt 3 0 can t handle default parameters for slots 12 7 4 7 void QwtAnalogClock setHand Hand hand QwtDialNeedle needle virtual Set a clockhand Parameters hand Specifies the type of hand needle Hand See also hand 12 7 4 8 void QwtAnalogClock setTime const QTime amp fime QTime currentTime slot Set a time Parameters time Time to display 12 8 QwtArrayData Class Reference Data class containing two QwtArray lt double gt objects include lt qwt_data h gt Inheritance diagram for QwtArrayData QwiData QwtArrayData Public Member Functions e QwtArrayData const QwtArray lt double gt amp x const QwtArray lt double gt amp y e QwtArrayData const double x const double xy size_t size Generated on Sun Apr
96. horizontal ratio is 0 33 0 5 See also QwtPlot setLegendPosition Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 55 QwtPlotLayout Class Reference 283 12 55 4 20 void QwtPlotLayout setLegendRatio double ratio Specify the relative size of the legend in the plot Parameters ratio Ratio between legend and the bounding rect of title canvas and axes The legend will be shrinked if it would need more space than the given ratio The ratio is limited to 0 0 1 0 In case of lt 0 0 it will be reset to the default ratio The default vertical horizontal ratio is 0 33 0 5 12 55 4 21 void QwtPlotLayout setMargin int margin Change the margin of the plot The margin is the space around all components Parameters margin new margin See also margin setSpacing QwtPlot setMargin 12 55 4 22 void QwtPlotLayout setSpacing int spacing Change the spacing of the plot The spacing is the distance between the plot components Parameters spacing new spacing See also setMargin spacing 12 55 4 23 int QwtPlotLayout spacing const Returns spacing See also margin setSpacing 12 55 4 24 const QRect amp QwtPlotLayout titleRect const Returns Geometry for the title See also activate invalidate Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 56 QwtPlotMagnifier Class Reference 284 12 56 QwtPlotMagnifier Class
97. information about current position of the cursor as a string The display mode controls 1f the tracker has to be displayed whenever the observed widget has focus and cursor AlwaysOn never AlwaysOff or only when the selection is active ActiveOnly Parameters mode Tracker display mode Warning In case of AlwaysOn mouseTracking will be enabled for the observed widget See also trackerMode DisplayMode 12 41 4 32 void QwtPicker setTrackerPen const QPen amp pen virtual Set the pen for the tracker Parameters pen Tracker pen See also trackerPen setTrackerMode setTrackerFont 12 41 4 33 QwtPickerMachine QwtPicker stateMachine int flags const protected virtual Create a state machine depending on the selection flags e PointSelection ClickSelection QwtPickerClickPointMachine e PointSelection DragSelection QwtPickerDragPointMachine e RectSelection ClickSelection QwtPickerClickRectMachine e RectSelection DragSelection QwtPickerDragRectMachine e PolygonSelection QwtPickerPolygonMachine See also setSelectionFlags Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 199 12 41 4 34 void QwtPicker stretchSelection const QSize amp oldSize const QSize amp newSize protected virtual Scale the selection by the ratios of oldSize and newSize The changed signal is emitted Parameters oldSize Previo
98. installed for the observed widget otherwise the event filter is re moved Parameters on true or false See also isEnabled eventFilter 12 36 3 12 void QwtMagnifier setKeyFactor double factor Change the key factor The key factor defines the ratio between the current range on the parent widget and the zoomed range for each key press of the zoom in out keys The default value is 0 9 Parameters factor Key factor See also keyFactor setZoomInKey setZoomOutKey setWheelFactor setMouseFactor 12 36 3 13 void QwtMagnifier setMouseButton int button int buttonState Qt NoButton Assign the mouse button that is used for zooming in out The default value is Qt RightButton Parameters button Button buttonState Button state See also getMouseButton Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 36 QwtMagnifier Class Reference 167 12 36 3 14 void QwtMagnifier setMouseFactor double factor Change the mouse factor The mouse factor defines the ratio between the current range on the parent widget and the zoomed range for each vertical mouse movement The default value is 0 95 Parameters factor Wheel factor See also mouseFactor setMouseButton setWheelFactor setKeyFactor 12 36 3 15 void QwtMagnifier setWheelButtonState int buttonState Assign a mandatory button state for zooming in out using the wheel The default button state is Qt N
99. int modifiers void getZoomOutKey int amp key int amp modifiers const virtual bool eventFilter QObject x QEvent x Protected Member Functions virtual void rescale double factor 0 virtual void widgetMousePressEvent QMouseE vent x virtual void widgetMouseReleaseEvent QMouseEvent x virtual void widgetMouseMoveEvent QMouseE vent x virtual void widgetWheelEvent QWheelE vent x virtual void widgetKeyPressEvent QKeyEvent x virtual void widgetKeyReleaseEvent QKeyEvent x 12 36 1 Detailed Description QwtMagnifier provides zooming by magnifying in steps Using QwtMagnifier a plot can be zoomed in out in steps using keys the mouse wheel or moving a mouse button in vertical direction Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 36 QwtMagnifier Class Reference 164 12 36 2 Constructor amp Destructor Documentation 12 36 2 1 QwtMagnifier QwtMagnifier QWidget x parent explicit Constructor Parameters parent Widget to be magnified 12 36 2 2 QwtMagnifier QwtMagnifier virtual Destructor 12 36 3 Member Function Documentation 12 36 3 1 bool QwtMagnifier eventFilter QObject x o QEvent xe virtual Event filter When isEnabled the mouse events of the observed widget are filtered See also widgetMousePressEvent widgetMouseReleaseEvent widgetMouseMoveEvent wid getWheelEvent widgetKeyPressEvent widgetKeyReleaseEvent 12 36 3 2 void QwtMag
100. m double max Val const void setMax Value double m void setStepButton int nSteps int stepButtonl const void setStepButton2 int nSteps Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 16 QwtCounter Class Reference 72 e int stepButton2 const e void setStepButton3 int nSteps e int stepButton3 const e virtual double value const Protected Member Functions e virtual bool event QEvent e virtual void wheelEvent QWheelEvent x e virtual void keyPressEvent QKeyEvent x e virtual void rangeChange 12 16 1 Detailed Description The Counter Widget A Counter consists of a label displaying a number and one ore more up to three push buttons on each side of the label which can be used to increment or decrement the counter s value A Counter has a range from a minimum value to a maximum value and a step size The range can be specified using QwtDblRange setRange The counter s value is an integer multiple of the step size The number of steps by which a button increments or decrements the value can be specified using Qwt Counter setIncSteps The number of buttons can be changed with QwtCounter setNumButtons Holding the space bar down with focus on a button is the fastest method to step through the counter values When the counter underflows overflows the focus is set to the smallest up down button and counting is disabled Counting is re enabled on a button
101. minPen setMajPen setPen QwtPainter scaledPen 12 53 3 11 void QwtPlotGrid setPen const QPen amp pen Assign a pen for both major and minor gridlines The width of non cosmetic pens is scaled according to the resolution of the paint device Parameters pen Pen Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 53 QwtPlotGrid Class Reference 263 See also setMajPen setMinPen QwtPainter scaledPen 12 53 3 12 void QwtPlotGrid setXDiv const QwtScaleDiv amp scaleDiv Assign an x axis scale division Parameters scaleDiv Scale division 12 53 3 13 void QwtPlotGrid setYDiv const QwtScaleDiv amp scaleDiv Assign a y axis division Parameters scaleDiv Scale division 12 53 3 14 void QwtPlotGrid updateScaleDiv const QwtScaleDiv amp xScaleDiv const QwtScaleDiv amp yScaleDiv virtual Update the grid to changes of the axes scale division Parameters xScaleDiv Scale division of the x axis yScaleDiv Scale division of the y axis See also QwtPlot updateAxes Reimplemented from QwtPlotltem 12 53 3 15 bool QwtPlotGrid xEnabled const Returns true if vertical gridlines are enabled See also enableX Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 53 QwtPlotGrid Class Reference 264 12 53 3 16 bool QwtPlotGrid xMinEnabled const Returns true if minor vertical gridlines are enabled See also
102. of hide show operations All other situations are already handled by the plot canvas cache e ScreenCache The screen cache is an image in size of the screen As long as the scales don t change the target image is scaled from the cache This might improve the performance when resizing the plot widget but suffers from scaling effects The default policy is NoCache 12 61 3 Constructor amp Destructor Documentation 12 61 3 1 QwtPlotRasterItem QwtPlotRasterItem const QString amp title QString null explicit Constructor 12 61 3 2 QwtPlotRasterItem QwtPlotRasterItem const QwtText title explicit Constructor 12 61 3 3 QwtPlotRasterItem QwtPlotRasterItem virtual Destructor 12 61 4 Member Function Documentation 12 61 4 1 int QwtPlotRasterItem alpha const Returns Alpha value of the raster item See also setAlpha 12 61 4 2 QwtPlotRasterItem CachePolicy QwtPlotRasterItem cachePolicy const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 61 QwtPlotRasterltem Class Reference 310 Returns Cache policy See also CachePolicy setCachePolicy 12 61 4 3 void QwtPlotRasterItem draw QPainter painter const QwtScaleMap xMap const QwtScaleMap amp yMap const QRect amp canvasRect const virtual Draw the raster data Parameters painter Painter xMap X Scale Map yMap Y Scale Map canvasRect Contents rect of the plot can
103. of the Qwt license with programs that are linked to the Qwt library nor do you have to identify the Qwt license in your program or documentation as required by section 6 of the LGPL However programs must still identify their use of Qwt The following example statement can be included in user documentation to satisfy this requirement program widget is based in part on the work of the Qwt project http qwt sf net GNU LESSER GENERAL PUBLIC LICENSE Version 2 1 February 1999 Copyright C 1991 1999 Free Software Foundation Inc 59 Temple Place Suite 330 Boston MA 02111 1307 USA Everyone is permitted to copy and distribute verbatim copies of this license document but changing it is not allowed This is the first released version of the Lesser GPL It also counts as the successor of the GNU Library Public License version 2 hence the version number 2 1 Preamble The licenses for most software are designed to take away your freedom to share and change it By contrast the GNU General Public Licenses are intended to guarantee your freedom to share and change free software to make sure the software is free for all its users This license the Lesser General Public License applies to some specially designated software packages typically libraries of the Free Software Foundation and other authors who decide to use it You Can use it too but we suggest you first think carefully about whether this license or the ordinar
104. pfilter Plot print filter 12 49 4 28 void QwtPlot enableAxis int axisId bool tf true Enable or disable a specified axis When an axis is disabled this only means that it is not visible on the screen Curves markers and can be attached to disabled axes and transformation of screen coordinates into values works as normal Only xBottom and yLeft are enabled by default Parameters axisId axis index tf true enabled or false disabled 12 49 4 29 bool QwtPlot event QEvent xe virtual Adds handling of layout requests 12 49 4 30 QString QwtPlot grabProperties const This method is intended for manipulating the plot widget from a specific editor in the Qwt designer plugin Warning The plot editor has never been implemented 12 49 4 31 void QwtPlot insertLegend QwtLegend x legend QwtPlot LegendPosition pos QwtPlot RightLegend double ratio 1 0 Insert a legend If the position legend is Qwt Plot LeftLegend or QwtPlot Right Legend the legend will be organized in one column from top to down Otherwise the legend items will be placed in a table with a best fit number of columns from left to right Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 224 If pos QwtPlot ExternalLegend the plot widget will become parent of the legend It will be deleted when the plot is deleted or another legend is set with insertLegend Parameters
105. plot const void setFocusIndicator FocusIndicator FocusIndicator focusIndicator const void setPaintAttribute PaintAttribute bool on true bool testPaintAttribute PaintAttribute const QPixmap paintCache const QPixmap paintCache const void invalidatePaintCache void replot Protected Member Functions virtual void hideEvent QHideEvent virtual void paintEvent QPaintEvent x virtual void drawContents QPainter virtual void drawFocusIndicator QPainter x void drawCanvas QPainter painter NULL 12 50 1 Detailed Description Canvas of a QwtPlot See also QwtPlot Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 50 QwtPlotCanvas Class Reference 236 12 50 2 Member Enumeration Documentation 12 50 2 1 enum QwtPlotCanvas FocusIndicator Focus indicator NoFocusIndicator Don t paint a focus indicator e CanvasFocusIndicator The focus is related to the complete canvas Paint the focus indicator using paintFocus ItemFocusIndicator The focus is related to an item curve point on the canvas It is up to the application to display a focus indication using f e highlighting See also setFocusIndicator focusIndicator paintFocus 12 50 2 2 enum QwtPlotCanvas PaintAttribute Paint attributes e PaintCached Paint double buffered and reuse the content of the pixmap buffer for some spontaneous repaints that happen when a plot get
106. plotRect const QwtPlotPrintFilter amp pfilter QwtPlotPrintFilter const virtual Paint the plot into a given rectangle Paint the contents of a QwtPlot instance into a given rectangle Parameters painter Painter plotRect Bounding rectangle pfilter Print filter See also QwtPlotPrintFilter 12 49 4 45 void QwtPlot print QPaintDevice amp paintDev const QwtPlotPrintFilter amp pfilter QwtPlotPrintFilter const Print the plot to a OPaintDevice QPrinter This function prints the contents of a QwtPlot instance to QPaintDevice object The size is derived from its device metrics Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 227 Parameters paintDev device to paint on often a printer pfilter print filter See also QwtPlotPrintFilter 12 49 4 46 void QwtPlot printCanvas QPainter x painter const QRect amp boundingRect const QRect amp canvasRect const QwtScaleMap map axisCnt const QwtPlotPrintFilter amp pfilter const protected virtual Print the canvas into a given rectangle Parameters painter Painter map Maps mapping between plot and paint device coordinates boundingRect Bounding rectangle canvasRect Canvas rectangle pfilter Print filter See also QwtPlotPrintFilter 12 49 4 47 void QwtPlot printLegend QPainter painter const QRect amp rect const protected virtual Print the legend into a given rectangle
107. qwt_plot h gt Inheritance diagram for QwtPlot QwtPlotDict QwiPlot Public Types e enum Axis yLeft yRight xBottom xTop axisCnt enum LegendPosition LeftLegend RightLegend BottomLegend TopLegend ExternalLegend Public Slots e virtual void clear e virtual void replot e void autoRefresh Signals e void legendClicked QwtPlotltem plotltem e void legendChecked QwtPlotltem plotItem bool on Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 213 Public Member Functions QwtPlot QWidget NULL QwtPlot const QwtText amp title QWidget p NULL virtual QwtPlot void applyProperties const QString amp QString grabProperties const void setAutoReplot bool tf true bool autoReplot const void print QPaintDevice amp p const QwtPlotPrintFilter QwtPlotPrintFilter const virtual void print QPainter const QRect amp rect const QwtPlotPrintFilter amp QwtPlotPrintFilterQ const QwtPlotLayout x plotLayout const QwtPlotLayout plotLayout const void setMargin int margin int margin const void setTitle const QString amp void setTitle const QwtText amp t QwtText title const QwtTextLabel x titleLabel const QwtTextLabel x titleLabel const QwtPlotCanvas canvas const QwtPlotCanvas canvas const void setCanvasBackground const QColor amp c const Q
108. scale Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 73 QwtScaleDraw Class Reference 367 Parameters painter Painter See also drawTick drawLabel Implements QwtAbstractScaleDraw 12 73 4 4 void QwtScaleDraw drawLabel QPainter x painter double value const protected virtual Draws the label for a major scale tick Parameters painter Painter value Value See also drawTick drawBackbone boundingLabelRect Implements QwtAbstractScaleDraw 12 73 4 5 void QwtScaleDraw drawTick QPainter x painter double value int len const protected virtual Draw a tick Parameters painter Painter value Value of the tick len Lenght of the tick See also drawBackbone drawLabel Implements QwtAbstractScaleDraw 12 73 4 6 int QwtScaleDraw extent const QPen amp pen const QFont amp font const virtual Calculate the width height that is needed for a vertical horizontal scale The extent is calculated from the pen width of the backbone the major tick length the spacing and the maximum width height of the labels Parameters pen Pen that is used for painting backbone and ticks font Font used for painting the labels Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 73 QwtScaleDraw Class Reference 368 See also minLength Implements QwtAbstractScaleDraw 12 73 4 7 void QwtScaleDraw getBorderDistHint const QFont amp fo
109. scaleRect int axis const const QRect amp canvasRect const Protected Member Functions QRect layoutLegend int options const QRect amp const QRect alignLegend const QRect amp canvasRect const QRect amp legendRect const void expandLineBreaks int options const QRect amp rect int amp dimTitle int dimAxes QwtPlot axisCnt const void alignScales int options QRect amp canvasRect QRect scaleRect QwtPlot axisCnt const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 55 QwtPlotLayout Class Reference 277 12 55 1 Detailed Description Layout engine for QwtPlot It is used by the QwtPlot widget to organize its internal widgets or by Qwt Plot print to render its content to a QPaintDevice like a QPrinter QPixmap QImage or QS vgRenderer 12 55 2 Member Enumeration Documentation 12 55 2 1 enum QwtPlotLayout Options Options to configure the plot layout engine AlignScales Unused IgnoreScrollbars Ignore the dimension of the scrollbars There are no scrollbars when the plot is rendered to a paint device QwtPlot print IgnoreFrames Ignore all frames QwtPlot print doesn t paint them IgnoreMargin Ignore the margin IgnoreLegend Ignore the legend See also activate 12 55 3 Constructor amp Destructor Documentation 12 55 3 1 QwtPlotLayout QwtPlotLayout explicit Constructor 12 55 3 2 QwtPlotLayout QwtPlotLayout virtual De
110. seen in direction of the title Parameters length width for horizontal height for vertical scales scaleFont Font of the scale Returns height for horizontal width for vertical scales 12 77 3 3 void QwtScaleWidget draw QPainter p const protected draw the scale 12 77 3 4 void QwtScaleWidget drawTitle QPainter x painter QwtScaleDraw Alignment align const QRect amp rect const Rotate and paint a title according to its position into a given rectangle Parameters painter Painter align Alignment rect Bounding rectangle 12 77 3 5 int QwtScaleWidget endBorderDist const Returns end border distance See also setBorderDist Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 77 QwtScaleWidget Class Reference 388 12 77 3 6 void QwtScaleWidget getBorderDistHint int amp start int amp end const Calculate a hint for the border distances This member function calculates the distance of the scale s endpoints from the widget borders which is required for the mark labels to fit into the widget The maximum of this distance an the minimum border distance is returned Warning e The minimum border distance depends on the font See also setMinBorderDist getMinBorderDist setBorderDist 12 77 3 7 void QwtScaleWidget getMinBorderDist int amp start int amp end const Get the minimum value for the distances of the scale s endpoints from the widg
111. the next free position 12 26 3 2 uint QwtDynGridL ayout columnsForWidth int width const virtual Calculate the number of columns for a given width It tries to use as many columns as possible limited by maxCols Parameters width Available width for all columns See also maxCols setMaxCols 12 26 3 3 int QwtDynGridLayout count const virtual Returns Number of items in the layout 12 26 3 4 Qt Orientations QwtDynGridLayout expandingDirections const virtual Returns whether this layout can make use of more space than sizeHint A value of Qt Vertical or Qt Horizontal means that it wants to grow in only one dimension while Qt Vertical Qt Horizontal means that it wants to grow in both dimensions See also setExpandingDirections 12 26 3 5 bool QwtDynGridLayout hasHeightForWidth const virtual Returns true QwtDynGridLayout implements heightForWidth Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 26 QwtDynGridLayout Class Reference 121 See also heightForWidth 12 26 3 6 int QwtDynGridLayout heightForWidth int width const virtual Returns The preferred height for this layout given the width w See also hasHeightForWidth 12 26 3 7 void QwtDynGridLayout invalidate virtual Invalidate all internal caches 12 26 3 8 bool QwtDynGridLayout isEmpty const virtual Returns true if this layout is empty 12 26 3
112. the thermometer orientation and the scale position The scale position NoScale disables the scale Parameters o orientation Possible values are Qt Horizontal and Qt Vertical The default value is Qt Vertical s Position of the scale The default value is NoScale A valid combination of scale position and orientation is enforced e a horizontal thermometer can have the scale positions TopScale BottomScale or NoScale e a vertical thermometer can have the scale positions LeftScale RightScale or NoScale e an invalid scale position will default to NoScale See also setScalePosition 12 86 3 33 void QwtThermo setPipeWidth int width Change the width of the pipe Parameters width Width of the pipe See also pipe WidthO 12 86 3 34 void QwtThermo setRange double vmin double vmax bool logarithmic false Set the range Parameters vmin value corresponding lower or left end of the thermometer vmax value corresponding to the upper or right end of the thermometer logarithmic logarithmic mapping true or false Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 86 QwtThermo Class Reference 443 12 86 3 35 void QwtThermo setScaleDraw QwtScaleDraw scaleDraw Set a scale draw For changing the labels of the scales it is necessary to derive from QwtScaleDraw and overload QwtScale Draw label Parameters scaleDraw ScaleDraw object that has to be created with new a
113. to the resolution of the paint device Parameters pen New pen See also linePen QwtPainter scaledPen 12 57 4 14 void QwtPlotMarker setLineStyle QwtPlotMarker LineStyle st Set the line style Parameters st Line style Can be one of QwtPlotMarker NoLine HLine VLine or Cross See also lineStyleQ Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 57 QwtPlotMarker Class Reference 292 12 57 4 15 void QwtPlotMarker setSpacing int spacing Set the spacing When the label is not centered on the marker position the spacing is the distance between the position and the label Parameters spacing Spacing See also spacing setLabelAlignment 12 57 4 16 void QwtPlotMarker setSymbol const QwtSymbol amp s Assign a symbol Parameters s New symbol See also symbol 12 57 4 17 void QwtPlotMarker setValue const QwtDoublePoint amp pos Set Value 12 57 4 18 void QwtPlotMarker setValue double x double y Set Value 12 57 4 19 void QwtPlotMarker setX Value double x Set X Value 12 57 4 20 void QwtPlotMarker setY Value double y Set Y Value Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 58 QwtPlotPanner Class Reference 293 12 57 4 21 int QwtPlotMarker spacing const Returns the spacing See also setSpacing 12 57 4 22 const QwtSymbol amp QwtPlotMarker symbol const Retur
114. tracking will be manipulated for ClickSelection while the picker is active or if tracker Mode is AlwayOn 12 41 2 Member Enumeration Documentation 12 41 2 1 enum QwtPicker DisplayMode e AlwaysOff Display never e AlwaysOn Display always e ActiveOnly Display only when the selection is active See also QwtPicker setTrackerMode QwtPicker trackerMode QwtPicker isActive 12 41 2 2 enum QwtPicker RectSelectionType Selection subtype for RectSelection This enum type describes the type of rectangle selections It can be ord with QwtPicker RectSelectionType and QwtPicker SelectionMode and passed to Qwt Picker setSelectionFlags e CornerToCorner The first and the second selected point are the corners of the rectangle e CenterToCorner The first point is the center the second a corner of the rectangle e CenterToRadius The first point is the center of a quadrat calculated by the maximum of the x and y distance The default value is CornerToCorner See also QwtPicker setSelectionFlags QwtPicker selectionFlags Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 189 12 41 2 3 enum QwtPicker ResizeMode Controls what to do with the selected points of an active selection when the observed widget is resized Stretch All points are scaled according to the new size KeepSize All points remain unchanged The default value is Stretch
115. transferring a copy and you may at your option offer warranty protection in exchange for a fee Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 2 Qwt License Version 1 0 2 You may modify your copy or copies of the Library or any portion of it thus forming a work based on the Library and copy and distribute such modifications or work under the terms of Section 1 above provided that you also meet all of these conditions a The modified work must itself be a software library b You must cause the files modified to carry prominent notices stating that you changed the files and the date of any change c You must cause the whole of the work to be licensed at no charge to all third parties under the terms of this License d If a facility in the modified Library refers to a function or a table of data to be supplied by an application program that uses the facility other than as an argument passed when the facility is invoked then you must make a good faith effort to ensure that in the event an application does not supply such function or table the facility still operates and performs whatever part of its purpose remains meaningful For example a function in a library to compute square roots has a purpose that is entirely well defined independent of the application Therefore Subsection 2d requires that any application supplied function or table used by this function must be optional if the appl
116. virtual QwtAbstractScaleDraw QwtAbstractScaleDraw amp operator const QwtAbstractScaleDraw amp void setScaleDiv const QwtScaleDiv amp s const QwtScaleDiv amp scaleDiv const void setTransformation QwtScaleTransformation const QwtScaleMap amp map const void enableComponent ScaleComponent bool enable true bool hasComponent ScaleComponent const void setTickLength QwtScaleDiv TickType int length Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 4 QwtAbstractScaleDraw Class Reference 28 int tickLength QwtScaleDiv TickType const int majTickLength const void setSpacing int margin int spacing const virtual void draw QPainter const QPalette amp const virtual QwtText label double const virtual int extent const QPen amp const QFont amp const 0 void setMinimumExtent int int minimumExtent const e QwtScaleMap amp scaleMap Protected Member Functions virtual void drawTick QPainter painter double value int len const 0 virtual void drawBackbone QPainter painter const 0 virtual void drawLabel QPainter painter double value const 0 void invalidateCache const QwtText amp tickLabel const QFont amp double value const 12 4 1 Detailed Description A abstract base class for drawing scales QwtAbstractScaleDraw can be used to draw linear or logarithmic scales After a scale division has been specified as a QwtScal
117. void QwtPlotRescaler setReferenceA xis int axis Set the reference axis see RescalePolicy Parameters axis Axis index QwtPlot Axis See also reference Axis 12 62 4 23 void QwtPlotRescaler setRescalePolicy RescalePolicy policy Change the rescale policy Parameters policy Rescale policy See also rescalePolicy Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 63 QwtPlotScaleItem Class Reference 319 12 62 4 24 QwtDoublelnterval QwtPlotRescaler syncScale int axis const QwtDoubleInterval reference const QSize amp size const protected virtual Synchronize an axis scale according to the scale of the reference axis Parameters axis Axis index see QwtPlot AxisId reference Interval of the reference axis size Size of the canvas 12 62 4 25 void QwtPlotRescaler updateScales QwtDoubleInterval intervals QwtPlot axisCnt const protected virtual Update the axes scales Parameters intervals Scale intervals 12 63 QwtPlotScaleItem Class Reference A class which draws a scale inside the plot canvas include lt qwt_plot_scaleitem h gt Inheritance diagram for QwtPlotScaleltem QwtLegendltemManager QwtPlotltem QwtPlotScaleltem Public Member Functions e QwtPlotScaleltem QwtScaleDraw Alignment QwtScaleDraw BottomScale const double pos 0 0 e virtual QwtPlotScalelItem e virtual int rtti const e void setScaleDiv const
118. void autoScale int maxNumSteps double amp x1 double amp x2 double amp stepSize const 0 virtual QwtScaleDiv divideScale double x1 double x2 int maxMajSteps int maxMinSteps double stepSize 0 0 const 0 virtual QwtScaleTransformation transformation const 0 Protected Member Functions e bool contains const QwtDoubleInterval amp double val const e QwtValueList strip const QwtValueList amp const QwtDoublelnterval amp const e double divideInterval double interval int numSteps const e QwtDoublelnterval buildInterval double v const 12 74 1 Detailed Description Base class for scale engines A scale engine trys to find reasonable ranges and step sizes for scales The layout of the scale can be varied with setAttribute Qwt offers implementations for logarithmic log 10 and linear scales Contributions for other types of scale engines date time log2 are welcome 12 74 2 Member Enumeration Documentation 12 74 2 1 enum QwtScaleEngine Attribute IncludeReference Build a scale which includes the reference value e Symmetric Build a scale which is symmetric to the reference value e Floating The endpoints of the scale are supposed to be equal the outmost included values plus the specified margins see setMargins If this attribute is xnot set the endpoints of the scale will be integer multiples of the step size Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide
119. width Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 29 QwtKnob Class Reference 138 12 29 4 12 void QwtKnob setKnobWidth int w Change the knob s width The specified width must be gt 5 or it will be clipped Parameters w New width 12 29 4 13 void QwtKnob setScaleDraw QwtRoundScaleDraw scaleDraw Change the scale draw of the knob For changing the labels of the scales it is necessary to derive from QwtRoundScaleDraw and overload QwtRoundScaleDraw label See also scaleDraw 12 29 4 14 void QwtKnob setSymbol QwtKnob Symbol s Set the symbol of the knob See also symbol 12 29 4 15 void QwtKnob setTotalAngle double angle Set the total angle by which the knob can be turned Parameters angle Angle in degrees The default angle is 270 degrees It is possible to specify an angle of more than 360 degrees so that the knob can be turned several times around its axis 12 29 4 16 QSize QwtKnob sizeHint const virtual Returns minimumSizeHint Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 30 QwtLegend Class Reference 139 12 29 4 17 QwtKnob Symbol QwtKnob symbol const Returns symbol of the knob See also setSymbol 12 29 4 18 double QwtKnob totalAngle const Return the total angle 12 30 QwtLegend Class Reference The legend widget include lt qwt_legend h gt Public Types
120. with NoScale LeftScale and RightScale See also QwtSlider 12 79 3 Constructor amp Destructor Documentation 12 79 3 1 QwtSlider QwtSlider QWidget x parent Qt Orientation orientation Qt Horizontal ScalePos scalePos NoScale BGSTYLE bgStyle BgTrough explicit Constructor Parameters parent parent widget orientation Orientation of the slider Can be Qt Horizontal or Qt Vertical Defaults to Qt Horizontal scalePos Position of the scale Defaults to QwtSlider NoScale bgStyle Background style QwtSlider BgTrough draws the slider button in a trough Qwt Slider BgSlot draws a slot underneath the button An or combination of both may also be used The default is QwtSlider BgTrough QwtSlider enforces valid combinations of its orientation and scale position If the combination is invalid the scale position will be set to NoScale Valid combinations are e Qt Horizonal with NoScale TopScale or BottomScale e Qt Vertical with NoScale LeftScale or RightScale 12 79 4 Member Function Documentation 12 79 4 1 QwtSlider BGSTYLE QwtSlider bgStyle const Returns the background style 12 79 4 2 int QwtSlider borderWidth const Returns the border width Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 79 QwtSlider Class Reference 400 12 79 4 3 void QwtSlider draw QPainter p const QRect amp update_rect protected Draw the QwtSlider 12
121. 0 QwtPanner Class Reference 183 Parameters on true or false See also isEnabled eventFilter 12 40 3 14 void QwtPanner setMouseButton int button int buttonState Qt NoButton Change the mouse button The defaults are Qt LeftButton and Qt NoButton 12 40 3 15 void QwtPanner setOrientations Qt Orientations o Set the orientations where panning is enabled The default value is in both directions Qt Horizontal Qt Vertical param o Orientation 12 40 3 16 void QwtPanner widgetKeyPressEvent QKeyEvent ke protected virtual Handle a key press event for the observed widget Parameters ke Key event See also eventFilter widgetKeyReleaseEvent 12 40 3 17 void QwtPanner widgetKeyReleaseEvent QKeyEvent x protected virtual Handle a key release event for the observed widget See also eventFilter widgetKeyReleaseEvent 12 40 3 18 void QwtPanner widgetMouseMoveEvent QMouseEvent x me protected virtual Handle a mouse move event for the observed widget Parameters me Mouse event See also eventFilter widgetMousePressEvent widgetMouseReleaseEvent Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 184 12 40 3 19 void QwtPanner widgetMousePressEvent QMouseEvent x me protected virtual Handle a mouse press event for the observed widget Parameters me Mouse event See also eventFilt
122. 010 for Qwt User s Guide by Doxygen 12 55 QwtPlotLayout Class Reference 282 Note In this context the term scale means the backbone of a scale Warning In case of alignCanvasToScales true canvasMargin will have no effect 12 55 4 17 void QwtPlotLayout setCanvasMargin int margin int axis 1 Change a margin of the canvas The margin is the space above below the scale ticks A negative margin will be set to 1 excluding the borders of the scales Parameters margin New margin axis One of QwtPlot Axis Specifies where the position of the margin 1 means margin at all borders See also canvasMargin Warning The margin will have no effect when alignCanvasToScales is true 12 55 4 18 void QwtPlotLayout setLegendPosition QwtPlot LegendPosition pos Specify the position of the legend Parameters pos The legends position Valid values are QwtPlot LeftLegend QwtPlot RightLegend QwtPlot TopLegend QwtPlot BottomLegend See also QwtPlot setLegendPosition 12 55 4 19 void QwtPlotLayout setLegendPosition QwtPlot LegendPosition pos double ratio Specify the position of the legend Parameters pos The legend s position ratio Ratio between legend and the bounding rect of title canvas and axes The legend will be shrinked if it would need more space than the given ratio The ratio is limited to 0 0 1 0 In case of lt 0 0 it will be reset to the default ratio The default vertical
123. 1 paletteChange QwtWheel 447 panned QwtPanner 182 parentWidget QwtMagnifier 165 QwtPicker 194 pDist QwtScaleMap 381 pen QwtPlotCurve 251 QwtSymbol 414 penWidth QwtDialScaleDraw 102 QwtScaleWidget 389 periodic QwtDoubleRange 115 pickRect QwtPicker 194 pipeWidth QwtThermo 438 plot QwtPlotCanvas 238 QwtPlotItem 270 QwtPlotMagnifier 285 QwtPlotPanner 295 296 QwtPlotPicker 301 QwtPlotRescaler 316 plotLayout QwtPlot 226 points QwtSpline 408 polish QwtCounter 74 QwtPlot 226 pos QwtScaleDraw 371 position QwtPlotScalelItem 322 pow1l0 QwtLog10ScaleEngine 162 pressed QwtLegendItem 150 prev Value QwtDoubleRange 116 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 462 print QwtPlot 226 printCanvas QwtPlot 227 printLegend QwtPlot 227 printLegendItem QwtPlot 227 printScale QwtPlot 227 printTitle QwtPlot 228 QwtAbstractScale 21 QwtAbstractScale 22 abstractScaleDraw 22 autoScale 23 QwtAbstractScale 22 rescale 23 scaleChange 23 scaleEngine 23 scaleMap 24 scaleMaxMajor 24 scaleMaxMinor 24 setAbstractScaleDraw 24 setAutoScale 24 setScale 25 setScaleEngine 25 setScaleMaxMajor 26 setScaleMaxMinor 26 QwtAbstractScaleDraw 26 QwtAbstractScaleDraw 28 draw 29 drawBackbone 29 drawLabel 29 drawTick 29 enableComponent 30 extent 30 hasComponent 30 invalidateCache 30 label 30 majTickLength 31 map 31 minimumE
124. 1 QwtLegendItem Class Reference 147 12 31 1 Detailed Description A legend label QwtLegendItem represents a curve on a legend It displays an curve identifier with an explaining text The identifier might be a combination of curve symbol and line In readonly mode it behaves like a label otherwise like an unstylish push button See also QwtLegend QwtPlotCurve 12 31 2 Member Enumeration Documentation 12 31 2 1 enum QwtLegendItem IdentifierMode Identifier mode Default is ShowLine ShowText See also identifierMode setIdentifierMode 12 31 3 Constructor amp Destructor Documentation 12 31 3 1 QwtLegendItem QwtLegendItem QWidget parent 0 explicit Parameters parent Parent widget 12 31 3 2 QwtLegendItem QwtLegendItem const QwtSymbol amp symbol const QPen curvePen const QwtText amp text QWidget parent 0 explicit Parameters symbol Curve symbol curvePen Curve pen text Label text parent Parent widget 12 31 3 3 QwtLegendItem QwtLegendItem virtual Destructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 31 QwtLegendItem Class Reference 148 12 31 4 Member Function Documentation 12 31 4 1 void QwtLegendItem checked bool signal Signal when the legend item has been toggled 12 31 4 2 void QwtLegendItem clicked signal Signal when the legend item has been clicked 12 31 4 3 const QPen amp QwtLegendItem curvePen co
125. 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 4 QwtAbstractScaleDraw Class Reference 32 12 4 4 14 const QwtScaleDiv amp QwtAbstractScaleDraw scaleDiv const Returns scale division 12 4 4 15 QwtScaleMap amp QwtAbstractScaleDraw scaleMap Returns Map how to translate between scale and pixel values 12 4 4 16 void QwtAbstractScaleDraw setMinimumExtent int minExtent Set a minimum for the extent The extent is calculated from the coomponents of the scale draw In situations where the labels are chang ing and the layout depends on the extent f e scrolling a scale setting an upper limit as minimum extent will avoid jumps of the layout Parameters minExtent Minimum extent See also extent minimumExtent 12 4 4 17 void QwtAbstractScaleDraw setScaleDiv const QwtScaleDiv amp sd Change the scale division Parameters sd New scale division 12 4 4 18 void QwtAbstractScaleDraw setSpacing int spacing Set the spacing between tick and labels The spacing is the distance between ticks and labels The default spacing is 4 pixels Parameters spacing Spacing See also spacing Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 4 QwtAbstractScaleDraw Class Reference 33 12 4 4 19 void QwtAbstractScaleDraw setTickLength QwtScaleDiv TickType tickType int length Set the length of the ticks Parameters tickType Tick type length New length Warning
126. 12 25 3 4 void QwtDoubleRange incPages int nPages virtual Increment the value by a specified number of pages Parameters nPages Number of pages to increment A negative number decrements the value Warning The Page size is specified in the constructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 25 QwtDoubleRange Class Reference 115 12 25 3 5 void QwtDoubleRange incValue int nSteps virtual Increment the value by a specified number of steps Parameters nSteps Number of steps to increment Warning As a result of this operation the new value will always be adjusted to the step raster Reimplemented in QwtAbstractSlider 12 25 3 6 bool QwtDoubleRange isValid const Indicates if the value is valid Reimplemented in QwtAbstractSlider 12 25 3 7 double QwtDoubleRange max Value const Returns the value of the second border of the range maxValue returns the value which has been specified as the second parameter in QwtDou bleRange setRange See also setRange 12 25 3 8 double QwtDoubleRange minValue const Returns the value at the first border of the range min Value returns the value which has been specified as the first parameter in setRange See also setRange 12 25 3 9 int QwtDoubleRange pageSize const Returns the page size in steps Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 25 QwtDoubleR
127. 12 49 4 15 double QwtPlot axisStepSize int axisId const Return the step size parameter that has been set in setAxisScale This doesn t need to be the step size of the current scale Parameters axisId axis index Returns step size parameter value See also setAxisScale 12 49 4 16 QwtText QwtPlot axisTitle int axisId const Returns the title of a specified axis Parameters axisId axis index 12 49 4 17 bool QwtPlot axisValid int axisId static protected Returns true if the specified axis exists otherwise false Parameters axisId axis index Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 221 12 49 4 18 QwtScaleWidget x QwtPlot axisWidget int axisId Returns specified axis or NULL if axisId is invalid Parameters axisId axis index 12 49 4 19 const QwtScaleWidget x QwtPlot axisWidget int axisId const Returns specified axis or NULL if axisId is invalid Parameters axisId axis index 12 49 4 20 const QwtPlotCanvas x QwtPlot canvas const Returns the plot s canvas 12 49 4 21 QwtPlotCanvas QwtPlot canvas Returns the plot s canvas 12 49 4 22 const QColor amp QwtPlot canvasBackground const Nothing else than canvas gt palette color QPalette Normal QColorGroup Background Returns the background color of the plotting area Generated on Sun Apr 11 11 55 09 2010
128. 12 75 3 8 double QwtScaleMap sDist const inline Returns qwtAbs s2 s10 12 75 3 9 void QwtScaleMap setPaintInterval int p1 int p2 Specify the borders of the paint device interval Parameters pl first border p2 second border Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 75 QwtScaleMap Class Reference 382 12 75 3 10 void QwtScaleMap setPaintX Interval double p double p2 Specify the borders of the paint device interval Parameters pl first border p2 second border 12 75 3 11 void QwtScaleMap setScaleInterval double s7 double s2 Specify the borders of the scale interval Parameters s1 first border s2 second border Warning logarithmic scales might be aligned to LogMin LogMax 12 75 3 12 void QwtScaleMap setTransformation QwtScaleTransformation x transformation Initialize the map with a transformation 12 75 3 13 int QwtScaleMap transform double s const inline Transform a point related to the scale interval into an point related to the interval of the paint device and round it to an integer In Qt lt 3 x paint devices are integer based Parameters s Value relative to the coordinates of the scale See also xTransform 12 75 3 14 const QwtScaleTransformation QwtScaleMap transformation const Get the transformation Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 76 QwtScaleTransformation
129. 125 QwtScaleArithmetic 358 ceilEps QwtScaleArithmetic 358 center QwtRoundScaleDraw 355 changed QwtPicker 192 checked QwtLegendItem 148 clear QwtLegend 141 QwtPlot 222 QwtTextLabel 431 clicked QwtLegendItem 148 clipCircle QwtClipper 55 clipPolygon QwtClipper 55 clipPolygonF QwtClipper 56 clone QwtSymbol 413 closePolyline QwtPlotCurve 245 closestPoint QwtPlotCurve 245 coefficientsA QwtSpline 407 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 454 coefficientsB QwtRasterData 349 QwtSpline 407 QwtScaleTransformation 384 coefficientsC count QwtSpline 407 QwtDynGridLayout 120 color cursor QwtAlphaColorMap 44 QwtPanner 180 QwtColorMap 58 CurveAttribute QwtPlotPrintFilter 306 QwtPlotCurve 242 QwtText 420 curveFitter colorl QwtPlotCurve 246 QwtLinearColorMap 156 curvePen color2 QwtLegendItem 148 QwtLinearColorMap 156 CurveStyle colorIndex QwtPlotCurve 242 QwtColorMap 58 CurveType QwtLinearColorMap 157 QwtPlotCurve 243 colorMap curveType QwtPlotSpectrogram 328 QwtPlotCurve 246 colorStops QwtLinearColorMap 157 colorTable QwtColorMap 58 columnsForWidth QwtDynGridLayout 120 Command QwtPickerMachine 207 compareEps QwtScaleArithmetic 359 ConrecAttribute QwtRasterData 348 contains QwtDoubleInterval 107 QwtScaleDiv 362 QwtScaleEngine 375 contentsRect QwtDial 87 contentsWidget QwtLegend 141 contourLevels QwtP
130. 16 4 17 void QwtCounter setStepButton1 int nSteps Set the number of increment steps for button 1 Parameters nSteps Number of steps 12 16 4 18 void QwtCounter setStepButton2 int nSteps Set the number of increment steps for button 2 Parameters nSteps Number of steps 12 16 4 19 void QwtCounter setStepButton3 int nSteps Set the number of increment steps for button 3 Parameters nSteps Number of steps 12 16 4 20 void QwtCounter setValue double v virtual Set a new value Parameters v new value Calls QwtDoubleRange setValue and does all visual updates See also QwtDoubleRange setValue Reimplemented from QwtDoubleRange Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 16 QwtCounter Class Reference 77 12 16 4 21 QSize QwtCounter sizeHint const virtual A size hint 12 16 4 22 double QwtCounter step const returns the step size Reimplemented from QwtDoubleRange 12 16 4 23 int QwtCounter stepButton1 const returns the number of increment steps for button 1 12 16 4 24 int QwtCounter stepButton2 const returns the number of increment steps for button 2 12 16 4 25 int QwtCounter stepButton3 const returns the number of increment steps for button 3 12 16 4 26 double QwtCounter value const virtual Returns Current value Reimplemented from QwtDoubleRange 12 16 4 27 void QwtCounter valueChanged double value signal T
131. 2 000 4 147 12 31 4 Member Function Documentation 0 000020 eee 148 12 32QwtLegenditemManaver Class Reference lt io 5 cee wee 1 153 12 32 1 Detailed Description cs o esed a a daa a eS 153 12 32 2 Constructor amp Destructor Documentation 153 12 32 3 Member Function Documentation to es 154 12 33QwtLinearColorMap Class Reference 2 26 ooo er eee es 154 12 33 1 Detailed Description sos ee ee eS ee ee 155 12 33 2 Member Enumeration Documentation 155 12 33 3 Constructor amp Destructor Documentation 024 2 4 ea es BAY 155 12 33 4 Member Function Documentation eee 156 12 34QwtLinearScaleEngine Class Reference o e 158 123441 Detarlled Description socavar baw id se ls 159 12 34 2 Member Function Documentation erres Spesie Ru 159 12 35QwtLog10ScaleEngine Class Reference o 2 2 0 000000004 160 12 331 Detailed Description sms RRR aaa ERR SORE E ee 161 12 35 2 Member Function Documentation 54 0 5065 os es eae ee Oe RE 161 12 36QwtMagnifier Class Reference 1 0 2 0 00 02 eee ee 162 12 36 1 Detailed Description 2 2 bp e A eee eh ee a 163 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen CONTENTS vi 12 36 2 Constructor amp Destructor Documentation o o a 164 12 36 3 Member Function Documentation 0 20000
132. 2 16 4 4 int QwtCounter incSteps QwtCounter Button bin const Returns the number of steps by which a specified button increments the value or 0 if the button is invalid Parameters btn One of Qwt Counter Buttonl QwtCounter Button2 QwtCounter Button3 12 16 4 5 void QwtCounter keyPressEvent QKeyEvent xe protected virtual Handle key events e Ctrl Qt Key_Home Step to minValue Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 16 QwtCounter Class Reference 74 e Ctrl Qt Key_End Step to maxValue e Qt Key_Up Increment by incSteps QwtCounter Button 1 e Qt Key_Down Decrement by incSteps QwtCounter Button1 e Qt Key_PageUp Increment by incSteps QwtCounter Button2 e Qt Key_PageDown Decrement by incSteps QwtCounter Button2 e Shift Qt Key_PageUp Increment by incSteps QwtCounter Button3 e Shift Qt Key_PageDown Decrement by incSteps QwtCounter Button3 12 16 4 6 double QwtCounter maxVal const returns the maximum value of the range 12 16 4 7 double QwtCounter minVal const returns the minimum value of the range 12 16 4 8 int QwtCounter numButtons const Returns The number of buttons on each side of the widget 12 16 4 9 void QwtCounter polish virtual Sets the minimum width for the buttons 12 16 4 10 void QwtCounter rangeChange protected virtual Notify change of range This function updates the enabled property of all bu
133. 2 4 11 void QwtSymbol setSize int width int height 1 Specify the symbol s size If the h parameter is left out or less than 0 and the w parameter is greater than or equal to 0 the symbol size will be set to w w Parameters width Width height Height defaults to 1 12 82 4 12 void QwtSymbol setSize const QSize amp size Set the symbol s size Parameters size Size 12 82 4 13 void QwtSymbol setStyle QwtSymbol Style s Specify the symbol style The following styles are defined Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 83 QwtText Class Reference 416 NoSymbol No Style The symbol cannot be drawn Ellipse Ellipse or circle Rect Rectangle Diamond Diamond Triangle Triangle pointing upwards DTriangle Triangle pointing downwards UTriangle Triangle pointing upwards LTriangle Triangle pointing left RTriangle Triangle pointing right Cross Cross XCross Diagonal cross X HLine Horizontal line VLine Vertical line Star1 X combined with Star2 Six pointed star Hexagon Hexagon Parameters s style 12 82 4 14 const QSize amp QwtSymbol size const inline Return Size 12 82 4 15 Style QwtSymbol style const inline Return Style 12 83 QwtText Class Reference A class representing a text tinclude lt qwt_text h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 83 QwtText Class Refere
134. 2 87 3 1 void QwtWheel draw QPainter painter const QRect protected Redraw panel and wheel Parameters painter Painter Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 87 QwtWheel Class Reference 446 12 87 3 2 void QwtWheel drawWheel QPainter x painter const QRect amp r protected Redraw the wheel Parameters painter painter r contents rectangle 12 87 3 3 void QwtWheel drawWheelBackground QPainter x painter const QRect r protected Draw the Wheel s background gradient Parameters painter Painter r Bounding rectangle 12 87 3 4 void QwtWheel getScrollMode const QPoint amp p int amp scrollMode int amp direction protected virtual Determine the scrolling mode and direction corresponding to a specified point Parameters p point scrollMode scrolling mode direction direction Implements QwtAbstractSlider 12 87 3 5 double QwtWheel getValue const QPoint amp p protected virtual Determine the value corresponding to a specified point Implements QwtAbstractSlider 12 87 3 6 int QwtWheel internalBorder const Returns Internal border width of the wheel See also setInternalBorder Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 87 QwtWheel Class Reference 447 12 87 3 7 void QwtWheel layoutWheel bool update true protected Recalculate the slider s geometry and layout based
135. 2010 for Qwt User s Guide by Doxygen 12 52 QwtPlotDict Class Reference 256 12 51 4 46 void QwtPlotCurve updateLegend QwtLegend legend const virtual Update the widget that represents the curve on the legend Reimplemented from QwtPlotltem 12 51 4 47 double QwtPlotCurve x int const Parameters i index Returns x value at position i 12 51 4 48 double QwtPlotCurve y int i const Parameters i index Returns y value at position i 12 52 QwtPlotDict Class Reference A dictionary for plot items include lt qwt_plot_dict h gt Inheritance diagram for QwtPlotDict inline inline QwtPlotDict QwtPlot Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 52 QwtPlotDict Class Reference 257 Public Member Functions e QwtPlotDict QwtPlotDict void setAutoDelete bool bool autoDelete const const QwtPlotItemList itemList const void detachItems int rtti QwtPlotItem Rtti_PlotItem bool autoDelete true Friends e class QwtPlotltem 12 52 1 Detailed Description A dictionary for plot items QwtPlotDict organizes plot items in increasing z order If autoDelete is enabled all attached items will be deleted in the destructor of the dictionary See also QwtPlotItem attach QwtPlotltem detachO QwtPlotltem z 12 52 2 Constructor amp Destructor Documentation 12 52 2 1 QwtPlotDict QwtPlotDict explicit Constructor Au
136. 22 eee eee 164 12 37 QwtMathMLTextEngine Class Reference o 170 12 37 1 Detailed Description cir eww ee 170 12 37 2 Constructor amp Destructor Documentation ociosa ara Re 171 12 37 3 Member Function Documentation np 171 12 38QwtMetricsMap Class Reference o e 173 12 38 1 Detailed Description lt lt kA css ER RO Se se 173 12 38 2 Member Function Documentation 174 12 39 QwtPameter Class Reference cacc 24 0005 YG ee a a ta BS ae 174 12 39 Detaled Description ce pone Sk a eG Be a ee be 175 12 392 Member Function Docimentation lt 554 4 fc eb PAR Ee eR a 175 12 40QwtPanner Class Reference se ae 179 1240 1 Detailed Description gt ss RA BR aA EES ee So 180 12 40 2 Constructor amp Destructor Documentation o o 180 12 40 3 Member Function Documentation 0 00002 eee e 180 1241 QwtPicker Class Reference gt o RG eS ERE ER ER ER 184 1241 1 Detailed Description oo ocres ee 187 12 41 2 Member Enumeration Documentation e 004 188 12 41 3 Constructor amp Destructor Documentation o 190 12 41 4 Member Function Documentation 0 0000 eee 191 12 42 QwtPickerClickPointMachine Class Reference 00 000 ee eee 203 1242 1 Detaled Deserpien lt sss conc easpa aanp Esap OR ee eS 203 12 42 2 Member Function Documentat
137. 3 20 double QwtDoubleRange value const Returns the current value Reimplemented in QwtCounter 12 25 3 21 void QwtDoubleRange valueChange protected virtual Notify a change of value This virtual function is called whenever the value changes The default implementation does nothing Reimplemented in QwtAbstractSlider QwtDial QwtSlider and QwtWheel 12 26 QwtDynGridLayout Class Reference The QwtDynGridLayout class lays out widgets in a grid adjusting the number of columns and rows to the current size include lt qwt_dyngrid_layout h gt Public Member Functions e QwtDynGridLayout QWidget int margin 0 int space 1 e QwtDynGridLayout int space 1 e virtual QwtDynGridLayout e virtual void invalidate e void setMaxCols uint maxCols e uint maxCols const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 26 QwtDynGridLayout Class Reference 119 uint numRows const uint numCols const virtual void addItem QLayoutltem x virtual QLayoutltem itemAt int index const virtual QLayoutltem x takeAt int index virtual int count const void setExpandingDirections Qt Orientations virtual Qt Orientations expandingDirections const QList lt QRect gt layoutltems const QRect amp uint numCols const virtual int maxItem Width const virtual void setGeometry const QRect amp rect virtual bool hasHeightForWidth const virtual int heightForWid
138. 3 Member Function Documentation 12 6 3 1 QColor QwtAlphaColorMap color const Returns the color See also setColor 12 6 3 2 QwtColorMap QwtAlphaColorMap copy const virtual Clone the color map Implements QwtColorMap 12 6 3 3 QwtAlphaColorMap amp QwtAlphaColorMap operator const QwtAlphaColorMap amp other Assignment operator Parameters other Other color map Returns this 12 6 3 4 QRgb QwtAlphaColorMap rgb const QwtDoubleInterval amp interval double value const virtual Map a value of a given interval into a alpha value alpha value interval minValue interval widthQ Parameters interval Range for all values value Value to map into a rgb value Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 7 QwtAnalogClock Class Reference 45 Returns rgb value with an alpha value Implements QwtColorMap 12 6 3 5 void QwtAlphaColorMap setColor const QColor color Set the color Parameters color Color See also color 12 7 QwtAnalogClock Class Reference An analog clock include lt qwt_analog_clock h gt Inheritance diagram for QwtAnalogClock QwtDoubleRange QwtAbstractSlider QwiDial QwtAnalogClock Public Types enum Hand SecondHand Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 7 QwtAnalogClock Class Reference 46 MinuteHand HourHand
139. 3 QwtPlotGrid Class Reference A class which draws a coordinate grid include lt qwt_plot_grid h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 53 QwtPlotGrid Class Reference 259 Inheritance diagram for QwtPlotGrid QwtLegendltemManager QwtPlotltem QwtPlotGrid Public Member Functions e QwtPlotGrid virtual QwtPlotGrid virtual int rtti const void enableX bool tf bool xEnabled const void enable Y bool tf bool yEnabled const void enableXMin bool tf bool xMinEnabled const void enable Y Min bool tf bool yMinEnabled const void setXDiv const QwtScaleDiv amp sx const QwtScaleDiv amp xScaleDiv const void setY Div const QwtScaleDiv amp sy const QwtScaleDiv amp yScaleDiv const void setPen const QPen amp p void setMajPen const QPen amp p const QPen amp majPen const void setMinPen const QPen amp p const QPen amp minPen const virtual void draw QPainter p const QwtScaleMap amp xMap const QwtScaleMap amp yMap const QRect amp rect const virtual void updateScaleDiv const QwtScaleDiv amp xMap const QwtScaleDiv amp yMap 12 53 1 Detailed Description A class which draws a coordinate grid The QwtPlotGrid class can be used to draw a coordinate grid A coordinate grid consists of major and minor vertical and horizontal gridlines The locations of the gridlines are determined by the X and Y scale division
140. 4 3 QFont QwtPlotPrintFilter font const QFont amp f Item item const virtual Modifies a font for printing Parameters f Font to be modified item Type of item where the font belongs All fonts are returned unmodified 12 60 4 4 int QwtPlotPrintFilter options const Get plot print options See also setOptions Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 61 QwtPlotRasterltem Class Reference 307 12 60 4 5 void QwtPlotPrintFilter reset QwtPlot x plot const virtual Reset color and fonts of a plot See also apply Q 12 60 4 6 void QwtPlotPrintFilter setOptions int options Set plot print options Parameters options Or d QwtPlotPrintFilter Options values See also options 12 61 QwtPlotRasterItem Class Reference A class which displays raster data include lt qwt_plot_rasteritem h gt Inheritance diagram for QwtPlotRasterltem QwtLegendltemManager QwtPlotltem QwiPlotRasterltem QwtPlotSpectrogram Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 61 QwtPlotRasterltem Class Reference 308 Public Types e enum CachePolicy NoCache PaintCache ScreenCache Public Member Functions e QwtPlotRasterltem const QString amp title QString null e QwtPlotRasterltem const QwtText amp title virtual QwtPlotRasterItem void setAlpha int alpha int alpha const void setCachePolicy Cach
141. 4 4 13 QwtDoubleRect QwtPlotItem scaleRect const QwtScaleMap amp xMap const QwtScaleMap amp yMap const Calculate the bounding scale rect of 2 maps Parameters xMap X map yMap X map Returns Bounding rect of the scale maps 12 54 4 14 void QwtPlotItem setAxis int xAxis int yAxis Set X and Y axis The item will painted according to the coordinates its Axes Parameters xAxis X Axis yAxis Y Axis See also setXAxis setYAxis xAxis yAxis 12 54 4 15 void QwtPlotItem setItemAttribute ItemAttribute attribute bool on true Toggle an item attribute Parameters attribute Attribute type on true false See also testItemAttribute ItemAttribute 12 54 4 16 void QwtPlotItem setRenderHint RenderHint hint bool on true Toggle an render hint Parameters hint Render hint on true false See also testRenderHint RenderHint Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 54 QwtPlotItem Class Reference 272 12 54 4 17 void QwtPlotItem setTitle const QwtText amp title Set a new title Parameters title Title See also title 12 54 4 18 void QwtPlotItem setTitle const QString amp title Set a new title Parameters title Title See also title 12 54 4 19 void QwtPlotItem setVisible bool on virtual Show Hide the item Parameters on Show if true otherwise hide See also isVisible show hide 12 54 4 20 voi
142. 4 supports the MathML render engine from the Qt solutions package that is only available with a commercial Qt license You need a release of gtmmlwidget gt 2 1 Copy the files qtmmlwidget cpp h to textengines mathml Documentation Qwt includes a class documentation that is available in various formats Html files PDF document Qt Compressed Help qch for the Qt assistant or creator You can load it Edit Preferences gt Documentation gt Add Man pages UNIX only A Unix Qt3 ot4 qmake make make install If you have installed a shared library it s path has to be known to the run time linker of your operating system On Linux systems read man ldconfig or google for it Another option is to use the LD_LIBRARY_PATH on some systems LIBPATH is used instead on MacOSX it is called DYLD_LIBRARY_PATH environment variable H f you only want to check the Qwt examples without installing something you can set the LD_LIBRARY_PATH to the lib directory of your local build H f you didn t enable autobuilding of the examples in qwtconfig pri Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 3 INSTALL 12 you have to build the examples this way cd examples amake make B Win32 MSVC Qt3 Qt4 Please read the qmake documentation how to convert your pro files into your development environment F e MSVC with nmake qmake qwt pro nmake If you
143. 41 4 12 void QwtPicker move const QPoint amp pos protected virtual Move the last point of the selection The moved signal is emitted Parameters pos New position See also isActive begin end append Reimplemented in QwtPlotPicker 12 41 4 13 void QwtPicker moved const QPoint amp pos signal A signal emitted whenever the last appended point of the selection has been moved Parameters pos Position of the moved last point of the selection See also move appended 12 41 4 14 const QWidget QwtPicker parentWidget const Return the parent widget where the selection happens 12 41 4 15 QWidget x QwtPicker parentWidget Return the parent widget where the selection happens 12 41 4 16 QRect QwtPicker pickRect const virtual Find the area of the observed widget where selection might happen Returns QFrame contentsRect if it is a QFrame QWidget rect otherwise 12 41 4 17 void QwtPicker reset protected virtual Reset the state machine and terminate end false the selection Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 195 12 41 4 18 QwtPicker ResizeMode QwtPicker resizeMode const Returns Resize mode See also setResizeMode ResizeMode 12 41 4 19 QwtPicker RubberBand QwtPicker rubberBand const Returns Rubberband style See also setRubberBand RubberBand r
144. 69 3 1 void QwtRichTextEngine draw QPainter x painter const QRect rect int flags const QString amp text const virtual Draw the text in a clipping rectangle Parameters painter Painter rect Clipping rectangle flags Bitwise OR of the flags like in for QPainter drawText text Text to be rendered Implements QwtTextEngine 12 69 3 2 int QwtRichTextEngine heightForWidth const QFont amp font int flags const QString amp text int width const virtual Find the height for a given width Parameters font Font of the text flags Bitwise OR of the flags used like in QPainter drawText text Text to be rendered width Width Returns Calculated height Implements QwtTextEngine Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 70 QwtRoundScaleDraw Class Reference 353 12 69 3 3 bool QwtRichTextEngine mightRender const QString text const virtual Test if a string can be rendered by this text engine Parameters text Text to be tested Returns QStyleSheet mightBeRichText text Implements QwtTextEngine 12 69 3 4 void QwtRichTextEngine textMargins const QFont amp const QString amp int amp left int amp right int amp top int amp bottom const virtual Return margins around the texts Parameters left Return 0 right Return 0 top Return 0 bottom Return 0 Implements QwtTextEngine 12 69 3 5 QSize QwtRichTextEngine textSize const QFont am
145. 73 15 a setMainWidget amp t t show return a exec 12 86 2 Constructor amp Destructor Documentation 12 86 2 1 QwtThermo QwtThermo QWidget x parent NULL explicit Constructor Parameters parent Parent widget 12 86 2 2 QwtThermo QwtThermo virtual Destructor 12 86 3 Member Function Documentation 12 86 3 1 const QBrush amp QwtThermo alarmBrush const Return the liquid brush above the alarm threshold See also setAlarmBrush 12 86 3 2 const QColor amp QwtThermo alarmColor const Return the liquid color above the alarm threshold 12 86 3 3 bool QwtThermo alarmEnabled const Return if the alarm threshold is enabled or disabled 12 86 3 4 double QwtThermo alarmLevel const Return the alarm threshold Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 86 QwtThermo Class Reference 437 See also setAlarmLevel 12 86 3 5 int QwtThermo borderWidth const Return the border width of the thermometer pipe See also setBorderWidth 12 86 3 6 void QwtThermo draw QPainter x painter const QRect amp rect protected Draw the whole QwtThermo Parameters painter Painter rect Update rectangle 12 86 3 7 void QwtThermo drawThermo QPainter painter protected Redraw the liquid in thermometer pipe Parameters painter Painter 12 86 3 8 const QBrush amp QwtThermo fillBrush const Return the liquid brush See
146. 79 4 4 void QwtSlider drawSlider QPainter x painter const QRect r protected virtual Draw the slider into the specified rectangle Parameters painter Painter r Rectangle 12 79 4 5 void QwtSlider drawThumb QPainter x painter const QRect amp sliderRect int pos protected virtual Draw the thumb at a position Parameters painter Painter sliderRect Bounding rectangle of the slider pos Position of the slider thumb 12 79 4 6 void QwtSlider fontChange const QFont amp oldFont protected virtual Notify change in font 12 79 4 7 void QwtSlider getScrollMode const QPoint amp p int scrollMode int amp direction protected virtual Determine scrolling mode and direction Parameters p point scrollMode Scrolling mode direction Direction Implements QwtAbstractSlider Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 79 QwtSlider Class Reference 401 12 79 4 8 double QwtSlider getValue const QPoint amp pos protected virtual Determine the value corresponding to a specified mouse location Parameters pos Mouse position Implements QwtAbstractSlider 12 79 4 9 void QwtSlider layoutSlider bool update_geometry true protected Recalculate the slider s geometry and layout based on the current rect and fonts Parameters update_geometry notify the layout system and call update to redraw the scale 12 79 4 10 QSize QwtSlider minimumSize
147. 83 setMouseFactor QwtMagnifier 166 setMousePattern QwtEventPattern 131 132 setNeedle QwtDial 95 setNumButtons QwtCounter 75 setNumThornLevels QwtSimpleCompassRose 396 setNumThorns QwtSimpleCompassRose 396 setOptions QwtPlotPrintFilter 307 setOrientation QwtAbstractSlider 40 QwtSlider 403 QwtThermo 441 QwtWheel 448 setOrientations QwtPanner 183 setOrigin QwtDial 95 setPaintAttribute QwtPlotCanvas 239 QwtPlotCurve 253 QwtText 423 setPaintInterval QwtScaleMap 381 setPaintXInterval QwtScaleMap 381 setPalette QwtCompassRose 68 QwtDialNeedle 100 QwtPlotScaleItem 324 setPen QwtPlotCurve 254 QwtPlotGrid 262 QwtSymbol 415 setPen Width QwtDialScaleDraw 102 QwtScaleWidget 391 setPeriodic QwtDoubleRange 116 setPipeWidth QwtThermo 442 setPoints QwtSpline 408 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 480 setPosition setScaleMaxMinor QwtAbstractSlider 40 QwtAbstractScale 26 QwtPlotScaleltem 324 setScaleOptions setRadius QwtDial 96 QwtRoundScaleDraw 357 setScalePosition setRange QwtDoubleRange 116 QwtThermo 442 setRawData QwtPlotCurve 254 setReadOnly QwtAbstractSlider 40 setReference QwtScaleEngine 377 setReferenceAxis QwtPlotRescaler 318 setRenderFlags QwtText 423 setRenderHint QwtPlotltem 271 setRescalePolicy QwtPlotRescaler 318 setResizeMode QwtPicker 196 setRose QwtCompass 63 setRubberBand QwtPicker 196 setRubberB
148. Button e MouseSelect3 Qt LeftButton Qt AltButton e MouseSelect4 Qt LeftButton Qt ShiftButton e MouseSelect5 Qt LeftButton Qt ControlButton Qt ShiftButton e MouseSelect6 Qt LeftButton Qt AltButton Qt ShiftButton See also initMousePattern 12 27 3 Constructor amp Destructor Documentation 12 27 3 1 QwtEventPattern QwtEventPattern Constructor See also MousePatternCode KeyPatternCode Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 27 QwtEventPattern Class Reference 129 12 27 3 2 QwtEventPattern QwtEventPattern virtual Destructor 12 27 4 Member Function Documentation 12 27 4 1 void QwtEventPattern initKeyPattern Set default mouse patterns See also KeyPatternCode 12 27 4 2 void QwtEventPattern initMousePattern int numButtons Set default mouse patterns depending on the number of mouse buttons Parameters numButtons Number of mouse buttons lt 3 See also MousePatternCode 12 27 4 3 bool QwtEventPattern keyMatch const KeyPattern amp pattern const QKeyEvent x e const protected virtual Compare a key event with an event pattern A key event matches the pattern when both have the same key value and in the state value the same key flags Qt KeyButtonMask are set Parameters pattern Key event pattern e Key event Returns true if matches See also mouseMatch Generated on Sun Apr 11 11 55 09
149. Class Referenc 2 5 6s 4 be eee a 360 12 12 Detalle Desetiptiet 2 bos BO SUA EAS EH e BH Aes 361 12 72 2 Member Enumeration Documentation 2 0 22 00 361 12 72 3 Constructor amp Destructor Documentation o o a 361 12 72 4 Member Function Documentation 0 000020 eee 362 12 73QwtScaleDraw Class Reference 6 6 be bee HO ee es 364 12 721 Detaled Desepton ren Ges Be ache et ele Ghd ate BAS ee 365 12 73 2 Member Enumeration Documentation sa da meee re a 365 12 73 3 Constructor amp Destructor Documentation lt lt ross 366 12 73 4 Member Function Documentation 2 00002 eee eee 366 12 74QwtScaleEngine Class Reference oo ce coe cora eR eR eRe aD 373 12 74 1 Detailed Description oc wa ee ERA RE Se Re eS 374 12 74 2 Member Enumeration Documentation 2 00 000 374 12 74 3 Constructor amp Destructor Documentation o o 375 12 74 4 Member Function Documentation e 375 12 730 wiscaleMap Class Reference cocaina da o eee eee ee eS 379 12391 Detailed Description lt masa eee E Ye aa 379 12 75 2 Constructor amp Destructor Documentation s o e 380 12 75 3 Member Function Documentation 380 12 76QwtScaleTransformation Class Reference 383 12 46 1 Detailed Descnption o 2222 244k 6 bw ada ie G 383 12 76 2 Constructor amp
150. Class Reference 383 12 75 3 15 double QwtScaleMap xTransform double s const inline Transform a point related to the scale interval into an point related to the interval of the paint device Parameters s Value relative to the coordinates of the scale 12 76 QwtScaleTransformation Class Reference Operations for linear or logarithmic base 10 transformations include lt qwt_scale_map h gt Public Types e enum Type Linear Log10 Other Public Member Functions e QwtScaleTransformation Type type virtual QwtScaleTransformation virtual double xForm double x double s1 double s2 double p1 double p2 const virtual double invX Form double x double s1 double s2 double p1 double p2 const Type type const virtual QwtScaleTransformation copy const 12 76 1 Detailed Description Operations for linear or logarithmic base 10 transformations 12 76 2 Constructor amp Destructor Documentation 12 76 2 1 QwtScaleTransformation QwtScaleTransformation Type type Constructor for a linear transformation 12 76 2 2 QwtScaleTransformation QwtScaleTransformation virtual Destructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 76 QwtScaleTransformation Class Reference 384 12 76 3 Member Function Documentation 12 76 3 1 QwtScaleTransformation QwtScaleTransformation copy const virtual Create a clone of the transformation 12 76 3 2 doub
151. Color amp canvasBackground const void setCanvasLineWidth int w int canvasLine Width const virtual QwtScaleMap canvasMap int axisId const double invTransform int axisId int pos const int transform int axisId double value const QwtScaleEngine axisScaleEngine int axisId const QwtScaleEngine axisScaleEngine int axisId const void setAxisScaleEngine int axisId QwtScaleEngine void setAxisAutoScale int axisId bool axisAutoScale int axisId const void enableAxis int axisId bool tf true bool axisEnabled int axisId const void setAxisFont int axisId const QFont amp f QFont axisFont int axisId const void setAxisScale int axisId double min double max double step 0 void setAxisScaleDiv int axisId const QwtScaleDiv amp void setAxisScaleDraw int axisId QwtScaleDraw double axisStepSize int axisId const const QwtScaleDiv axisScaleDiv int axisId const QwtScaleDiv x axisScaleDiv int axisId const QwtScaleDraw axisScaleDraw int axisId const QwtScaleDraw x axisScaleDraw int axisId const QwtScaleWidget x axis Widget int axisId const QwtScaleWidget x axis Widget int axisId void setAxisLabelAlignment int axisId Qt Alignment Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 214 void setAxisLabelRotation int axisId double rotation void setAxisTitle int axisId const QString amp void setAxisTitle int axisId
152. Creates an invalid interval 0 0 1 0 See also setInterval isValid 12 24 3 2 QwtDoubleInterval QwtDoubleInterval double min Value double maxValue int borderFlags IncludeBorders inline Constructor Build an interval with from min max values Parameters minValue Minimum value maxValue Maximum value borderFlags Include Exclude borders 12 24 4 Member Function Documentation 12 24 4 1 int QwtDoublelnterval borderFlags const inline Returns Border flags See also setBorderFlags 12 24 4 2 bool QwtDoublelInterval contains double value const Test if a value is inside an interval Parameters value Value Returns true if value gt minValue amp amp value lt max Value Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 24 QwtDoublelnterval Class Reference 108 12 24 4 3 QwtDoubleInterval QwtDoubleInterval extend double value const Extend the interval If value is below minValue value becomes the lower limit If value is above maxValue value becomes the upper limit extend has no effect for invalid intervals Parameters value Value See also isValid 12 24 4 4 QwtDoubleInterval QwtDoubleInterval intersect const QwtDoublelnterval amp other const Intersect 2 intervals 12 24 4 5 bool QwtDoubleInterval intersects const QwtDoubleInterval amp other const Test if two intervals overlap 12 24 4 6 void QwtDoublelInterval
153. CurvePitter Class Reference ooo c22m n cs eae ee es 80 12 181 Detailed Descrip o r r e e ee Yb aa aea dS baw ee Ce SG 81 12 18 2 Constructor amp Destructor Documentation 5 ce ee ee es 81 12 18 3 Member Function Documentation 2 00020 e eee 81 12 190wtData Class Referente o op RR ee EG 81 12 19 Detailed Description o lt se do a ee ee ee a Re 82 12 19 2 Constructor amp Destructor Documentation o 82 12 19 3 Member Function Documentation eee een ee eae 83 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen CONTENTS iv 12 200wtDial Class Referenc occ ee eee a a eS 84 12 281 Detailed Description lt ceca dd a eS 86 12 20 2 Member Enumeration Documentation e 86 12 20 3 Constructor amp Destructor Documentation o 87 12 20 4 Member Function Documentation 0 000000 e 87 12 21 QwtDialNeedle Class Reference 2 06 bs he ee ee eG 99 12 21 1 Detailed Description o o e secs Bae eA eee be eee 99 12 21 2 Constructor amp Destructor Documentation o o a 99 12 21 3 Member Function Documentation p lt o seren pes arpea se e 100 12 22QwtDialScaleDraw Class Reference o oa coou caeu 6 eh e eae ee e a es 100 12 221 Detailed Description o eeg era a eG a e a as 101 12 22 2 Constructor amp Destructor Documentation lt lt eee eRe 101 12 22
154. Hint const virtual Return a minimum size hint Warning The return value of QwtSlider minimumSizeHint depends on the font and the scale 12 79 4 11 void QwtSlider paintEvent QPaintEvent x event protected virtual Qt paint event Parameters event Paint event 12 79 4 12 void QwtSlider rangeChange protected virtual Notify change of range Reimplemented from QwtDoubleRange 12 79 4 13 void QwtSlider resizeEvent QResizeEvent e protected virtual Qt resize event Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 79 QwtSlider Class Reference 402 12 79 4 14 void QwtSlider scaleChange protected virtual Notify changed scale Reimplemented from QwtAbstractScale 12 79 4 15 QwtScaleDraw QwtSlider scaleDraw protected Returns the scale draw of the slider See also setScaleDraw 12 79 4 16 const QwtScaleDraw QwtSlider scaleDraw const Returns the scale draw of the slider See also setScaleDraw 12 79 4 17 QwtSlider ScalePos QwtSlider scalePosition const Return the scale position 12 79 4 18 void QwtSlider setBgStyle BGSTYLE st Set the background style 12 79 4 19 void QwtSlider setBorderWidth int bd Change the slider s border width Parameters bd border width Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 79 QwtSlider Class Reference 403 12 79 4 20 void QwtSl
155. Line QPainter x painter int x1 int y1 int x2 int y2 static Wrapper for QPainter drawLine 12 39 2 6 void QwtPainter drawPie QPainter x painter const QRect rect int a int alen static Wrapper for QPainter drawPie 12 39 2 7 void QwtPainter drawPoint QPainter x painter int x int y static Wrapper for QPainter drawPoint 12 39 2 8 void QwtPainter drawPolygon QPainter x painter const QwtPolygon amp pa static Wrapper for QPainter drawPolygon 12 39 2 9 void QwtPainter drawPolyline QPainter x painter const QwtPolygon amp pa static Wrapper for QPainter drawPolyline 12 39 2 10 void QwtPainter drawRect QPainter x painter const QRect amp rect static Wrapper for QPainter drawRect 12 39 2 11 void QwtPainter drawRect QPainter x painter int x int y int w inth static Wrapper for QPainter drawRect 12 39 2 12 void QwtPainter drawRoundFrame QPainter painter const QRect amp rect int width const QPalette amp palette boolsunken static Draw a round frame Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 39 QwtPainter Class Reference 177 12 39 2 13 void QwtPainter drawSimpleRichText QPainter painter const QRect amp rect int flags QTextDocument amp text static Wrapper for QSimpleRichText draw 12 39 2 14 void QwtPainter drawText QPainter painter const QRect amp rect int flags const QStri
156. MathMLtTextEngine can be found in Qwt MathML extension that needs the MathML renderer of the Qt solutions package Unfortunately it is only available with a commercial Qt license Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 84 QwtTextEngine Class Reference 428 See also QwtText setTextEngine 12 84 2 Constructor amp Destructor Documentation 12 84 2 1 QwtTextEngine QwtTextEngine virtual Destructor 12 84 2 2 QwtTextEngine QwtTextEngine protected Constructor 12 84 3 Member Function Documentation 12 84 3 1 virtual void QwtTextEngine draw QPainter x painter const QRect rect int flags const QString amp text const pure virtual Draw the text in a clipping rectangle Parameters painter Painter rect Clipping rectangle flags Bitwise OR of the flags like in for QPainter drawText text Text to be rendered Implemented in QwtPlainTextEngine QwtRichTextEngine and QwtMathMLTextEngine 12 84 3 2 virtual int QwtTextEngine heightFor Width const QFont font int flags const QString amp text int width const pure virtual Find the height for a given width Parameters font Font of the text flags Bitwise OR of the flags used like in QPainter drawText text Text to be rendered width Width Returns Calculated height Implemented in QwtPlainTextEngine QwtRichTextEngine and QwtMathMLTextEngine Generated on Sun Apr 11 11 55 09 2010 for Qwt User
157. NHands Public Slots e void setCurrentTime e void setTime const QTime amp QTime currentTime Public Member Functions e QwtAnalogClock QWidget parent NULL e virtual QwtAnalogClock e virtual void setHand Hand QwtDialNeedle x e const QwtDialNeedle x hand Hand const e QwtDialNeedle x hand Hand Protected Member Functions e virtual QwtText scaleLabel double const e virtual void drawNeedle QPainter const QPoint amp int radius double direction QPalette ColorGroup const e virtual void drawHand QPainter Hand const QPoint amp int radius double direction QPalette ColorGroup const 12 7 1 Detailed Description An analog clock Example include lt qwt_analog_clock h gt QwtAnalogClock clock new QwtAnalogClock clock gt scaleDraw gt setPenWidth 3 clock gt setLineWidth 6 clock gt setFrameShadow QwtDial Sunken clock gt setTime update the clock every second QTimer timer new QTimer clock timer gt connect timer SIGNAL timeout clock SLOT setCurrentTime timer gt start 1000 Qwt is missing a set of good looking hands Contributions are very welcome Note The examples dials example shows how to use QwtAnalogClock Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 7 QwtAnalogClock Class Reference 47 12 7 2 Member Enumeration Documentation 12 7 2 1 enum QwtAnalogClock Hand Hand type
158. Parameters defaultFont Font used for the calculation if the text has no font width Width Returns Calculated height 12 83 4 7 bool QwtText isEmpty const inline Returns text isEmpty 12 83 4 8 bool QwtText isNull const inline Returns text isNullO Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 83 QwtText Class Reference 422 12 83 4 9 int QwtText operator const QwtText amp other const Relational operator 12 83 4 10 QwtText amp QwtText operator const QwtText amp other Assignment operator 12 83 4 11 int QwtText operator const QwtText other const Relational operator 12 83 4 12 int QwtText renderFlags const Returns Render flags See also setRenderFlags 12 83 4 13 void QwtText setBackgroundBrush const QBrush amp brush Set the background brush Parameters brush Background brush See also backgroundBrush setBackgroundPen 12 83 4 14 void QwtText setBackgroundPen const QPen amp pen Set the background pen Parameters pen Background pen See also backgroundPen setBackgroundBrush Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 83 QwtText Class Reference 423 12 83 4 15 void QwtText setColor const QColor amp color Set the pen color used for painting the text Parameters color Color Note Setting the color might have no effect when the text contains
159. PointerData QwtPolygonFData Public Member Functions e QwtData O virtual QwtData virtual QwtData copy const 0 virtual size_t size const 0 virtual double x size_t i const 0 virtual double y size_t 1 const 0 virtual QwtDoubleRect boundingRect const Protected Member Functions e QwtData amp operator const QwtData amp 12 19 1 Detailed Description QwtData defines an interface to any type of curve data Classes derived from QwtData may e store the data in almost any type of container e calculate the data on the fly instead of storing it 12 19 2 Constructor amp Destructor Documentation 12 19 2 1 QwtData QwtData Constructor 12 19 2 2 QwtData QwtData virtual Destructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 19 QwtData Class Reference 83 12 19 3 Member Function Documentation 12 19 3 1 QwtDoubleRect QwtData boundingRect const virtual Returns the bounding rectangle of the data If there is no bounding rect like for empty data the rectangle is invalid QwtDoubleRect isValid false Warning This is an slow implementation iterating over all points It is intended to be overloaded by derived classes In case of auto scaling boundingRect is called for every replot so it might be worth to implement a cache or use x 0 x size 1 for ordered data Reimplemented in QwtArrayData and QwtCPointerData 12 19 3 2 vi
160. Qwt User s Guide by Doxygen 12 57 QwtPlotMarker Class Reference 287 NoLine HLine VLine Cross Public Member Functions e QwtPlotMarker virtual QwtPlotMarker virtual int rtti const double xValue const double yValue const QwtDoublePoint value const void setX Value double void set Y Value double void set Value double double void set Value const QwtDoublePoint amp void setLineStyle LineStyle st LineStyle lineStyle const void setLinePen const QPen amp p const QPen amp linePen const void setSymbol const QwtSymbol amp s const QwtSymbol amp symbol const void setLabel const QwtText amp QwtText label const void setLabelAlignment Qt Alignment Qt Alignment labelAlignment const void setLabelOrientation Qt Orientation Qt Orientation labelOrientation const void setSpacing int int spacing const virtual void draw QPainter p const QwtScaleMap amp xMap const QwtScaleMap amp yMap const QRect amp const virtual QwtDoubleRect boundingRect const Protected Member Functions e void drawAt QPainter x const QRect amp const QPoint amp const 12 57 1 Detailed Description A class for drawing markers A marker can be a horizontal line a vertical line a symbol a label or any combination of them which can be drawn around a center point inside a bounding rectangle The QwtPlotMarker setSymbol member assigns a symbol to the mar
161. Qwt User s Guide 5 2 Generated by Doxygen 1 6 3 Sun Apr 11 11 55 10 2010 CONTENTS i Contents 1 Qwt Qt Widgets for Technical Applications 1 L1 A oe HR See Se ea E SEER EE ee Se ede HARE eS 1 M PIAR o o Geckos a eres eos Peale Fe AO ae Soe ore ks Ee eo Se Ro 1 L3 Screenshot 222 4 4chideian weedeat bd bae eee e RE e hi a bee as 1 LA DOS oscar we A A ee te de 1 US Stalin a A eee Re ee ee PES BASS 2 LO SO ke ele as a ee AER Se Be Reet RS AU Hae BAe 2 L Related Projets o e iria a ae ea Sk a Ae 2 LS L ngyage Bindings os ty ces bh A o dr 4 2 19 Donations 22 6 sodas rara a A 2 KETE ao tn 28 ee ANN 2 2 Qwt License Version 1 0 3 3 INSTALL 11 4 Curve Plots 14 5 Scatter Plot 14 6 Spectrogram Contour Plot 14 7 Histogram 14 8 Dials Compasses Knobs Wheels Sliders Thermos 14 9 Deprecated List 14 10 Class Index 14 MET Class STEIN a goa ke A a we RA Oe le eR ee a A E g 14 11 Class Index 17 UTE CASAS ciar ee OO Oe ag Bae ee eee E A eee Ea RASS 17 12 Class Documentation 20 12 1 QwtEventPattern KeyPattern Class Reference ee es 20 12 4 Detailed Description isc ee ee ee AA a we EEE a 21 12 2 QwtEventPattern MousePattern Class Reference 2 000000 21 1221 Detaled Destrpien racs ek oY Ae he a e a a ORR ERA 21 12 3 QwtAbstractScale Class Referente ooo DR RR RA S 21 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen CONTENTS ii
162. QwtRoundScaleDraw and QwtScaleDraw 12 4 4 3 virtual void QwtAbstractScaleDraw drawLabel QPainter x painter double value const protected pure virtual Draws the label for a major scale tick Parameters painter Painter value Value See also drawTick drawBackbone Implemented in QwtRoundScaleDraw and QwtScaleDraw Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 4 QwtAbstractScaleDraw Class Reference 30 12 4 4 4 virtual void QwtAbstractScaleDraw drawTick QPainter x painter double value int len const protected pure virtual Draw a tick Parameters painter Painter value Value of the tick len Lenght of the tick See also drawBackbone drawLabel Implemented in QwtRoundScaleDraw and QwtScaleDraw 12 4 4 5 void QwtAbstractScaleDraw enableComponent ScaleComponent component bool enable true En Disable a component of the scale Parameters component Scale component enable On Off See also hasComponent 12 4 4 6 virtual int QwtAbstractScaleDraw extent const QPen amp const QFont amp const pure virtual Calculate the extent The extent is the distcance from the baseline to the outermost pixel of the scale draw in opposite to its orientation It is at least minimumExtent pixels See also setMinimumExtent minimumExtent Implemented in QwtRoundScaleDraw and QwtScaleDraw 12 4 4 7 bool QwtAbstractScaleDraw hasComponent ScaleCompone
163. QwtScaleMap 382 QwtPlotZoomer 343 xValue widgetKeyReleaseEvent QwtPlotMarker 293 QwtMagnifier 168 xyPosition QwtPanner 183 QwtPicker 201 widgetLeaveEvent QwtPicker 201 widgetMouseDoubleClickEvent QwtPicker 201 widgetMouseMoveEvent QwtMagnifier 169 QwtPanner 183 QwtPicker 202 widgetMousePressEvent QwtMagnifier 169 QwtPanner 183 QwtPicker 202 widgetMouseReleaseEvent QwtMagnifier 169 QwtPanner 184 QwtPicker 202 QwtPlotZoomer 343 widgetWheelEvent QwtMagnifier 169 QwtPicker 202 width QwtDialSimpleNeedle 105 QwtDoublelnterval 112 QwtSimpleCompassRose 396 wrapping QwtDial 98 QwtArrayData 51 QwtCPointerData 79 QwtData 83 QwtPlotCurve 256 QwtPolygonFData 347 XAxis QwtPlotItem 275 QwtPlotPicker 303 xData QwtArrayData 51 QwtSlider 405 QwtArrayData 51 QwtCPointerData 80 QwtData 83 QwtPlotCurve 256 QwtPolygonFData 347 yAxis QwtPlotItem 275 QwtPlotPicker 304 yData QwtArrayData 52 QwtCPointerData 80 yEnabled QwtPlotGrid 264 yMinEnabled QwtPlotGrid 264 yScaleDiv QwtPlotGrid 264 yValue QwtPlotMarker 293 QwtPlotItem 275 zoom QwtPlotZoomer 344 zoomBase QwtPlotZoomer 344 zoomed QwtPlotZoomer 344 zoomRect QwtPlotZoomer 345 zoomRectIndex QwtPlotZoomer 345 zoomStack QwtPlotZoomer 345 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen
164. Return Observed plot canvas 12 56 3 2 QwtPlotCanvas QwtPlotMagnifier canvas Return observed plot canvas 12 56 3 3 bool QwtPlotMagnifier isAxisEnabled int axis const Test if an axis is enabled Parameters axis Axis see QwtPlot Axis Returns True if the axis is enabled See also setAxisEnabled 12 56 3 4 const QwtPlot QwtPlotMagnifier plot const Return plot widget containing the observed plot canvas 12 56 3 5 QwtPlot x QwtPlotMagnifier plot 0 Return plot widget containing the observed plot canvas Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 57 QwtPlotMarker Class Reference 286 12 56 3 6 void QwtPlotMagnifier rescale double factor protected virtual Zoom in out the axes scales Parameters factor A value lt 1 0 zooms in a value gt 1 0 zooms out Implements QwtMagnifier 12 56 3 7 void QwtPlotMagnifier setAxisEnabled int axis bool on En Disable an axis Axes that are enabled will be synchronized to the result of panning All other axes will remain unchanged Parameters axis Axis see QwtPlot Axis on On Off See also isAxisEnabled 12 57 QwtPlotMarker Class Reference A class for drawing markers include lt qwt_plot_marker h gt Inheritance diagram for QwtPlotMarker QwtLegendltemManager QwtPlotltem QwiPlotMarker Public Types e enum LineStyle Generated on Sun Apr 11 11 55 09 2010 for
165. Returns QwtPlotItem Rtti_PlotMarker Reimplemented from QwtPlotltem 12 57 4 10 void QwtPlotMarker setLabel const QwtText amp label Set the label Parameters label label text See also label 12 57 4 11 void QwtPlotMarker setLabelAlignment Qt Alignment align Set the alignment of the label Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 57 QwtPlotMarker Class Reference 291 In case of QwtPlotMarker HLine the alignment is relative to the y position of the marker but the horizontal flags correspond to the canvas rectangle In case of QwtPlotMarker VLine the alignment is relative to the x position of the marker but the vertical flags correspond to the canvas rectangle In all other styles the alignment is relative to the marker s position Parameters align Alignment A combination of AlignTop AlignBottom AlignLeft AlignRight AlignCenter AlgnHCenter AlignVCenter See also labelAlignment labelOrientation 12 57 4 12 void QwtPlotMarker setLabelOrientation Qt Orientation orientation Set the orientation of the label When orientation is Qt Vertical the label is rotated by 90 0 degrees from bottom to top Parameters orientation Orientation of the label See also labelOrientation setLabelAlignment 12 57 4 13 void QwtPlotMarker setLinePen const QPen amp pen Specify a pen for the line The width of non cosmetic pens is scaled according
166. ScaleDraw 366 Alignment 365 alignment 366 boundingLabelRect 366 drawBackbone 366 drawLabel 367 drawTick 367 extent 367 getBorderDistHint 368 labelAlignment 368 labelMatrix 368 labelPosition 368 labelRect 369 labelRotation 369 labelSize 369 length 369 maxLabelHeight 369 maxLabel Width 370 minLabelDist 370 minLength 370 move 370 371 operator 371 orientation 371 pos 371 QwtScaleDraw 366 setAlignment 372 setLabelAlignment 372 setLabelRotation 372 setLength 373 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 473 QwtScaleEngine 373 QwtScaleEngine 375 Attribute 374 attributes 375 autoScale 375 buildInterval 375 contains 375 dividelnterval 376 divideScale 376 lowerMargin 376 QwtScaleEngine 375 reference 376 setAttribute 377 setAttributes 377 setMargins 377 setReference 377 strip 378 testAttribute 378 transformation 378 upperMargin 378 QwtScaleMap 379 QwtScaleMap 380 invTransform 380 operator 380 pl 380 p2 380 pDist 381 QwtScaleMap 380 sl 381 s2 381 sDist 381 setPaintInterval 381 setPaintXInterval 381 setScaleInterval 382 setTransformation 382 transform 382 transformation 382 xTransform 382 QwtScaleTransformation 383 QwtScaleTransformation 383 copy 384 invXForm 384 QwtScaleTransformation 383 type 384 xForm 384 QwtScaleWidget 385 QwtScaleWidget 386 alignment 386 dimForLength
167. String amp static void drawText QPainter x int x int y int w int h int flags const QString amp static void drawText QPainter x const QRect amp int flags const QString amp static void drawSimpleRichText QPainter x const QRect amp int flags QTextDocument amp Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 39 QwtPainter Class Reference 175 static void drawRect QPainter x int x int y int w int h static void drawRect QPainter const QRect amp rect static void fillRect QPainter x const QRect amp const QBrush amp static void drawEllipse QPainter x const QRect amp static void drawPie QPainter x const QRect amp r int a int alen static void drawLine QPainter x int x1 int y1 int x2 int y2 static void drawLine QPainter const QPoint amp p1 const QPoint amp p2 static void drawPolygon QPainter x const QwtPolygon pa static void drawPolyline QPainter x const QwtPolygon amp pa static void drawPoint QPainter x int x int y static void drawRoundFrame QPainter const QRect amp int width const QPalette amp bool sunken static void drawFocusRect QPainter x QWidget x static void drawFocusRect QPainter x QWidget x const QRect 4 static void drawColorBar QPainter painter const QwtColorMap amp const QwtDoublelnterval amp const QwtScaleMap amp Qt Orientation const QRect amp static QPen scaledPen const QPen amp
168. Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 243 12 51 2 2 enum QwtPlotCurve CurveStyle Curve styles NoCurve Don t draw a curve Note This doesn t affect the symbols Lines Connect the points with straight lines The lines might be interpolated depending on the Fitted attribute Curve fitting can be configured using setCurveFitter Sticks Draw vertical Yfx or horizontal Xfy sticks from a baseline which is defined by setBaseline Steps Connect the points with a step function The step function is drawn from the left to the right or vice versa depending on the Inverted attribute Dots Draw dots at the locations of the data points Note This is different from a dotted line see setPen and faster as a curve in NoStyle style and a symbol painting a point UserCurve Styles gt UserCurve are reserved for derived classes of QwtPlotCurve that overload drawCurve with additional application specific curve types See also setStyle styleQ 12 51 2 3 enum QwtPlotCurve CurveType Curve type e Yfx Draws y as a function of x the default The baseline is interpreted as a horizontal line with y baseline e Xfy Draws x as a function of y The baseline is interpreted as a vertical line with x baseline The baseline is used for aligning the sticks or filling the curve with a brush See also setCurveType curveType basel
169. Text MathMLText new QwtMathMLTextEngine See also QwtTextEngine QwtText setTextEngine Warning Unfortunately the MathML renderer doesn t support rotating of texts 12 37 2 Constructor amp Destructor Documentation 12 37 2 1 QwtMathMLTextEngine QwtMathMLTextEngine Constructor 12 37 22 QwtMathMLTextEngine gt QwtMathMLTextEngine virtual Destructor 12 37 3 Member Function Documentation 12 37 3 1 void QwtMathMLTextEngine draw QPainter x painter const QRect amp rect int flags const QString amp text const virtual Draw the text in a clipping rectangle Parameters painter Painter rect Clipping rectangle flags Bitwise OR of the flags like in for QPainter drawText text Text to be rendered Implements QwtTextEngine 12 37 3 2 int QwtMathMLTextEngine heightFor Width const QFont amp font int flags const QString amp text int width const virtual Find the height for a given width Parameters font Font of the text flags Bitwise OR of the flags used like in QPainter drawText Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 37 QwtMathMLTextEngine Class Reference 172 text Text to be rendered width Width Returns Calculated height Implements QwtTextEngine 12 37 3 3 bool QwtMathMLTextEngine mightRender const QString text const virtual Test if a string can be rendered by QwtMathMLTextEngine Parameters text Text to be tested R
170. Width QwtPicker 196 QwtPlot 232 QwtPlotRescaler 317 setCanvasMargin setExpandingDirection QwtPlotLayout 282 QwtPlotRescaler 317 318 setChecked setExpandingDirections QwtLegendItem 150 QwtDynGridLayout 123 setClipRect setFillBrush QwtPainter 178 QwtThermo 440 setColor setFillColor QwtAlphaColorMap 45 QwtThermo 440 QwtText 422 setFitMode setColorArray QwtSplineCurveFitter 411 QwtWheel 447 setFocusIndicator setColorInterval QwtPlotCanvas 238 QwtLinearColorMap 158 setFont setColorMap QwtPlotScaleltem 323 QwtPlotSpectrogram 332 QwtText 423 setConrecAttribute setFrameShadow QwtPlotSpectrogram 332 QwtDial 94 setContourLevels setGeometry QwtPlotSpectrogram 332 QwtDynGridLayout 123 setCurrentTime setHand QwtAnalogClock 48 QwtAnalogClock 49 setCursor setIdentifierMode QwtPanner 182 QwtLegendItem 151 setCurveAttribute setIdentifierWidth QwtPlotCurve 252 QwtLegendItem 151 setCurveFitter setIncSteps QwtPlotCurve 252 QwtCounter 75 setCurvePen setIndent QwtLegendItem 150 QwtTextLabel 432 setCurveType setInternalBorder QwtPlotCurve 252 QwtWheel 447 setData setInterval QwtIntervalData 133 QwtPlotCurve 252 253 QwtPlotSpectrogram 332 setDefaultContourPen QwtPlotSpectrogram 333 setDeviceClipping QwtPainter 178 setDirection QwtDial 94 setDisplay Mode QwtPlotSpectrogram 333 setDisplay Policy QwtLegend 144 setDown QwtLegendItem 151 setEditable QwtCounter 74 setEnabled QwtMagnifier 166 Q
171. abelRotation const Returns the label rotation See also setLabelRotation labelAlignment 12 73 4 13 QSize QwtScaleDraw labelSize const QFont amp font double value const Calculate the size that is needed to draw a label Parameters font Label font value Value 12 73 4 14 int QwtScaleDraw length const Returns the length of the backbone See also setLengthO pos Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 73 QwtScaleDraw Class Reference 370 12 73 4 15 int QwtScaleDraw maxLabelHeight const QFont amp font const Parameters font Font Returns the maximum height of a label 12 73 4 16 int QwtScaleDraw maxLabelWidth const QFont amp font const Parameters font Font Returns the maximum width of a label 12 73 4 17 int QwtScaleDraw minLabelDist const QFont amp font const Determine the minimum distance between two labels that is necessary that the texts don t overlap Parameters font Font Returns The maximum width of a label See also getBorderDistHint 12 73 4 18 int QwtScaleDraw minLength const QPen amp pen const QFont amp font const Calculate the minimum length that is needed to draw the scale Parameters pen Pen that is used for painting backbone and ticks font Font used for painting the labels See also extent Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 73 Qw
172. achine 205 QwtPickerDragRectMachine 206 QwtPickerMachine 208 QwtPickerPolygonMachine 209 translate QwtMetricsMap 174 type QwtScaleTransformation 384 unite QwtDoublelnterval 112 updateAxes QwtPlot 234 updateDisplay QwtPicker 201 updateLayout QwtPlot 234 updateLegend QwtLegendItemManager 154 QwtPlotCurve 255 QwtPlotItem 274 updateMask QwtDial 98 updateScale QwtDial 98 updateScaleDiv QwtPlotGrid 263 QwtPlotItem 275 QwtPlotScaleltem 325 updateScales QwtPlotRescaler 319 updateTabOrder QwtPlot 234 upperBound QwtScaleDiv 364 upperMargin QwtScaleEngine 378 usedColor QwtText 426 usedFont QwtText 426 value QwtCounter 77 QwtDoubleRange 118 QwtIntervalData 133 QwtPlotMarker 293 QwtRasterData 351 QwtSpline 409 QwtThermo 444 valueChange QwtAbstractSlider 42 QwtDial 98 QwtDoubleRange 118 QwtSlider 404 QwtWheel 450 valueChanged QwtAbstractSlider 42 QwtCounter 77 verticalScrollBar QwtLegend 145 viewAngle QwtWheel 450 viewBox QwtPlotSvgltem 337 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 484 wheelButtonState QwtCPointerData 80 QwtMagnifier 168 xEnabled wheelEvent QwtPlotGrid 263 QwtAbstractSlider 42 xForm QwtCounter 77 QwtScaleTransformation 384 wheelFactor xMinEnabled QwtMagnifier 168 QwtPlotGrid 263 widgetKeyPressEvent xScaleDiv QwtMagnifier 168 QwtPlotGrid 264 QwtPanner 183 xTransform QwtPicker 201
173. aleDiv 263 xEnabled 263 xMinEnabled 263 xScaleDiv 264 yEnabled 264 yMinEnabled 264 yScaleDiv 264 QwtPlotItem 265 QwtPlotItem 267 attach 268 boundingRect 268 detach 268 draw 268 hide 269 invTransform 269 is Visible 269 ItemAttribute 267 itemChanged 269 legendItem 269 paintRect 270 plot 270 QwtPlotItem 267 RenderHint 267 rtti 270 RttiValues 267 scaleRect 270 setAxis 271 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 470 setltemAttribute 271 setRenderHint 271 setTitle 271 272 setVisible 272 setXAxis 272 setYAxis 272 setZ 273 show 273 testItemAttribute 273 testRenderHint 273 title 274 transform 274 updateLegend 274 updateScaleDiv 275 xAxis 275 yAxis 275 z 275 QwtPlotLayout 276 QwtPlotLayout 277 activate 277 alignCanvasToScales 278 alignLegend 278 alignScales 278 canvasMargin 278 canvasRect 279 expandLineBreaks 279 invalidate 279 layoutLegend 279 legendPosition 280 legendRatio 280 legendRect 280 margin 280 minimumSizeHint 281 Options 277 QwtPlotLayout 277 scaleRect 281 setAlignCanvasToScales 281 setCanvasMargin 282 setLegendPosition 282 setLegendRatio 282 setMargin 283 setSpacing 283 spacing 283 titleRect 283 QwtPlotMagnifier 284 QwtPlotMagnifier 285 canvas 285 isAxisEnabled 285 plot 285 QwtPlotMagnifier 284 rescale 285 setAxisEnabled 286 QwtPlotMarker 286 QwtPlo
174. ance diagram for QwtColorMap QwtColorMap QwtAlphaColorMap QwtLinearColorMap Public Types e enum Format RGB Indexed Public Member Functions e QwtColorMap Format QwtColorMap RGB e virtual QwtColorMap Format format const e virtual QwtColorMap copy const 0 e virtual QRgb rgb const QwtDoublelInterval amp interval double value const 0 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 11 QwtColorMap Class Reference 57 e virtual unsigned char colorIndex const QwtDoublelnterval amp interval double value const 0 e QColor color const QwtDoubleInterval amp double value const e virtual QVector lt QRgb gt colorTable const QwtDoubleInterval amp const 12 11 1 Detailed Description QwtColorMap is used to map values into colors For displaying 3D data on a 2D plane the 3rd dimension 1s often displayed using colors like f e in a spectrogram Each color map is optimized to return colors for only one of the following image formats e QImage Format_Indexed8 e QImage Format_ARGB32 See also QwtPlotSpectrogram QwtScaleWidget 12 11 2 Member Enumeration Documentation 12 11 2 1 enum QwtColorMap Format e RGB The map is intended to map into QRgb values Indexed The map is intended to map into 8 bit values that are indices into the color table See also rgbQ colorIndex colorTableQ 12 11 3 Constructor amp Destructor Documentation
175. and or end a selection depending on the selection flags See also QwtPicker selectionFlags eventFilterQ widgetMouseReleaseEvent widgetMouseDoubleClickEvent widgetMouse MoveEvent widgetWheelEvent widgetKeyPressEvent widgetKeyReleaseEvent 12 41 4 50 void QwtPicker widgetMouseReleaseEvent QMouseEvent x e protected virtual Handle a mouse relase event for the observed widget End a selection depending on the selection flags See also QwtPicker selectionFlags eventFilter widgetMousePressEvent widgetMouseDoubleClickEvent widgetMouse MoveEvent widgetWheelEvent widgetKeyPressEvent widgetKeyReleaseEvent Reimplemented in QwtPlotZoomer Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 42 QwtPickerClickPointMachine Class Reference 203 12 41 4 51 void QwtPicker widgetWheelEvent QWheelEvent e protected virtual Handle a wheel event for the observed widget Move the last point of the selection in case of isActive true See also eventFilter widgetMousePressEvent widgetMouseReleaseEvent widgetMouseDoubleClick Event widgetMouseMoveEvent widgetKeyPressEvent widgetKeyReleaseEvent 12 42 QwtPickerClickPointMachine Class Reference A state machine for point selections include lt qwt_picker_machine h gt Inheritance diagram for QwtPickerClickPointMachine QwtPickerMachine QwtPickerClickPointMachine Pub
176. and tracker The appended signal is emitted Parameters pos Additional point See also isActive begin endO move appended Reimplemented in QwtPlotPicker 12 41 4 3 void QwtPicker appended const QPoint amp pos signal A signal emitted when a point has been appended to the selection Parameters pos Position of the appended point Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 192 See also append moved 12 41 4 4 void QwtPicker begin protected virtual Open a selection setting the state to active See also isActive end append move Reimplemented in QwtPlotZoomer 12 41 4 5 void QwtPicker changed const QwtPolygon amp pa signal A signal emitted when the active selection has been changed This might happen when the observed widget is resized Parameters pa Changed selection See also stretchSelection 12 41 4 6 void QwtPicker drawRubberBand QPainter x painter const virtual Draw a rubberband depending on rubberBand and selectionFlags Parameters painter Painter initialized with clip rect See also rubberBand RubberBand selectionFlags 12 41 4 7 void QwtPicker drawTracker QPainter x painter const virtual Draw the tracker Parameters painter Painter See also trackerRect trackerText Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Dox
177. andPen QwtPicker 197 setScale QwtAbstractScale 25 QwtDial 96 setScaleArc QwtDial 96 setScaleDiv QwtAbstractScaleDraw 32 QwtPlotScaleItem 324 QwtScaleWidget 391 setScaleDivFromAxis QwtPlotScaleltem 324 setScaleDraw QwtDial 96 QwtKnob 138 QwtPlotScalelItem 325 QwtScaleWidget 392 QwtSlider 403 QwtThermo 442 setScaleEngine QwtAbstractScale 25 setScaleInterval QwtScaleMap 382 setScaleMaxMajor QwtAbstractScale 26 QwtSlider 403 QwtThermo 443 setScaleTicks QwtDial 97 setSelectionFlags QwtPicker 197 QwtPlotZoomer 342 setSize QwtSymbol 415 setSpacing QwtAbstractScaleDraw 32 QwtLegendItem 151 QwtPlotLayout 283 QwtPlotMarker 291 QwtScale Widget 392 setSplineSize QwtSplineCurveFitter 411 setSplineType QwtSpline 408 setState QwtPickerMachine 208 setStep QwtCounter 75 QwtDoubleRange 117 setStepButtonl QwtCounter 76 setStepButton2 QwtCounter 76 setStepButton3 QwtCounter 76 setStyle QwtPlotCurve 254 QwtSymbol 415 setSymbol QwtKnob 138 QwtLegendItem 152 QwtPlotCurve 254 QwtPlotMarker 292 setText QwtLegendItem 152 QwtText 424 QwtTextLabel 432 433 setTextEngine QwtText 424 setThumbLength QwtSlider 404 setThumbWidth QwtSlider 404 setTickCnt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 481 QwtWheel 448 setTickLength QwtAbstractScaleDraw 32 setTicks QwtScaleDiv 363 setTime QwtAnalogCl
178. ange Class Reference 116 12 25 3 10 bool QwtDoubleRange periodic const Returns true if the range is periodic See also setPeriodic 12 25 3 11 double QwtDoubleRange prevValue const protected Returns the previous value 12 25 3 12 void QwtDoubleRange rangeChange protected virtual Notify a change of the range This virtual function is called whenever the range changes The default implementation does nothing Reimplemented in QwtCounter QwtDial and QwtSlider 12 25 3 13 void QwtDoubleRange setPeriodic bool f Make the range periodic When the range is periodic the value will be set to a point inside the interval such that point value n width if the user tries to set a new value which is outside the range If the range is nonperiodic the default values outside the range will be clipped Parameters tf true for a periodic range 12 25 3 14 void QwtDoubleRange setRange double vmin double vmax double vstep 0 0 int pageSize 1 Specify range and step size Parameters vmin lower boundary of the interval vmax higher boundary of the interval Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 25 QwtDoubleRange Class Reference 117 vstep step width pageSize page size in steps Warning e A change of the range changes the value if it lies outside the new range The current value will not be adjusted to the new step raster e ymax lt vm
179. ase const QwtDoubleRect amp base virtual Set the initial size of the zoomer base is united with the current scaleRect and the zoom stack is reinitalized with it as zoom base plot is zoomed to scaleRect Parameters base Zoom base See also zoomBase scaleRect 12 66 3 13 void QwtPlotZoomer setZoomBase bool doReplot true virtual Reinitialized the zoom stack with scaleRect as base Parameters doReplot Call replot for the attached plot before initializing the zoomer with its scales This might be necessary when the plot is in a state with pending scale changes See also zoomBase scaleRect QwtPlot autoReplot QwtPlot replot 12 66 3 14 void QwtPlotZoomer widgetKeyPressEvent QKeyEvent ke protected virtual Qt Key_Plus zooms in Qt Key_Minus zooms out one position on the zoom stack Qt Key_Escape zooms out to the zoom base Changes the current position on the stack but doesn t pop any rectangle Note The keys codes can be changed using QwtEventPattern setKeyPattern 3 4 5 Reimplemented from QwtPicker Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 66 QwtPlotZoomer Class Reference 344 12 66 3 15 void QwtPlotZoomer widgetMouseReleaseEvent QMouseEvent me protected virtual Qt MidButton zooms out one position on the zoom stack Qt RightButton to the zoom base Changes the current position on the stack but doesn t pop an
180. ass Reference 95 See also setLineWidth QFrame setFrameShadow 12 20 4 32 void QwtDial setLineWidth int line Width Sets the line width Parameters lineWidth Line width See also setFrameShadow 12 20 4 33 void QwtDial setMode Mode mode Change the mode of the meter Parameters mode New mode The value of the meter is indicated by the difference between north of the scale and the direction of the needle In case of QwtDial RotateNeedle north is pointing to the origin and the needle is rotating in case of QwtDial RotateScale the needle points to origin and the scale is rotating The default mode is QwtDial RotateNeedle See also mode setValue setOrigin 12 20 4 34 void QwtDial setNeedle QwtDialNeedle x needle virtual Set a needle for the dial Qwt is missing a set of good looking needles Contributions are very welcome Parameters needle Needle Warning The needle will be deleted when a different needle is set or in QwtDial Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 20 QwtDial Class Reference 96 12 20 4 35 void QwtDial setOrigin double origin virtual Change the origin The origin is the angle where scale and needle is relative to Parameters origin New origin See also origin 12 20 4 36 void QwtDial setScale int maxMajIntv int maxMinIntv double step O 0 virtual Change the intervals of the
181. at QwtTextEngine x engine static Assign Replace a text engine for a text format With setTextEngine it is possible to extend Qwt with other types of text formats Owner of a commercial Qt license can build the qwtmathm library that is based on the MathML renderer that is included in MML Widget component of the Qt solutions package For QwtText PlainText it is not allowed to assign a engine NULL Parameters format Text format engine Text engine See also QwtMathMLTextEngine Warning Using QwtText AutoText does nothing Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 83 QwtText Class Reference 425 12 83 4 22 bool QwtText testLayoutAttribute LayoutAttribute attribute const Test a layout attribute Parameters attribute Layout attribute Returns true if attribute is enabled See also setLayoutAttribute 12 83 4 23 bool QwtText testPaintAttribute PaintAttribute attribute const Test a paint attribute Parameters attribute Paint attribute Returns true if attribute is enabled See also setPaintAttribute 12 83 4 24 QString QwtText text const Return the text See also setText 12 83 4 25 const QwtTextEngine QwtText textEngine QwtText TextFormat format static Find the text engine for a text format textEngine can be used to find out if a text format is supported Fe if one wants to use MathML labels the MathML renderer from the co
182. ate machine for rectangle selections 204 QwtPickerDragPointMachine A state machine for point selections 204 QwtPickerDragRectMachine A state machine for rectangle selections 205 QwtPickerMachine A state machine for QwtPicker selections 206 QwtPickerPolygonMachine A state machine for polygon selections 208 QwtPlainTextEngine A text engine for plain texts 209 QwtPlot A 2 D plotting widget 212 QwtPlotCanvas Canvas of a QwtPlot 235 QwtPlotCurve A plot item that represents a series of points 239 QwtPlotDict A dictionary for plot items 256 QwtPlotGrid A class which draws a coordinate grid 258 QwtPlotItem Base class for items on the plot canvas 265 QwtPlotLayout Layout engine for QwtPlot 276 QwtPlotMagnifier QwtPlotMagnifier provides zooming by magnifying in steps 284 QwtPlotMarker A class for drawing markers 286 QwtPlotPanner QwtPlotPanner provides panning of a plot canvas 293 QwtPlotPicker QwtPlotPicker provides selections on a plot canvas 296 QwtPlotPrintFilter A base class for plot print filters 304 QwtPlotRasterItem A class which displays raster data 307 QwtPlotRescaler QwtPlotRescaler takes care of fixed aspect ratios for plot scales 311 QwtPlotScaleItem A class which draws a scale inside the plot canvas 319 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 Class Documentation 20 QwtPlotSpectrogram A plot item which displays a spectrogram 325 QwtPlo
183. attributes Change the scale attribute Parameters attributes Set scale attributes See also Attribute attributes 12 74 4 11 void QwtScaleEngine setMargins double lower double upper Specify margins at the scale s endpoints Parameters lower minimum distance between the scale s lower boundary and the smallest enclosed value upper minimum distance between the scale s upper boundary and the greatest enclosed value Margins can be used to leave a minimum amount of space between the enclosed intervals and the bound aries of the scale Warning e QwtLog10ScaleEngine measures the margins in decades See also upperMargin lowerMargin Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 74 QwtScaleEngine Class Reference 378 12 74 4 12 void QwtScaleEngine setReference double r Specify a reference point Parameters r new reference value The reference point is needed if options IncludeReference or Symmetric are active Its default value is 0 0 See also Attribute 12 74 4 13 QwtValueList QwtScaleEngine strip const QwtValueList amp ticks const QwtDoubleInterval amp interval const protected Remove ticks from a list that are not inside an interval Parameters ticks Tick list interval Interval Returns Stripped tick list 12 74 4 14 bool QwtScaleEngine testAttribute Attribute attribute const Check if a attribute is set Parameters attribute Att
184. aw drawCurve drawDots drawLines drawSticks 12 51 4 18 void QwtPlotCurve drawSticks QPainter x painter const QwtScaleMap amp xMap const QwtScaleMap amp yMap int from int to const protected Draw sticks Parameters painter Painter xMap x map yMap y map from index of the first point to be painted to index of the last point to be painted See also draw drawCurve drawDots drawLines drawSteps Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 250 12 51 4 19 void QwtPlotCurve drawSymbols QPainter x painter const QwtSymbol symbol const QwtScaleMap amp xMap const QwtScaleMap amp yMap int from int to const protected virtual Draw symbols Parameters painter Painter symbol Curve symbol xMap x map yMap y map from index of the first point to be painted to index of the last point to be painted See also setSymbol draw drawCurve 12 51 4 20 void QwtPlotCurve fillCurve QPainter x painter const QwtScaleMap amp xMap const QwtScaleMap amp yMap QwtPolygon amp pa const protected Fill the area between the curve and the baseline with the curve brush Parameters painter Painter xMap x map yMap y map pa Polygon See also setBrushQ setBaseline setCurveType 12 51 4 21 void QwtPlotCurve init protected Initialize data members 12 51 4 22 double QwtPlotCurve maxX Valu
185. aw QwtAbstractScaleDraw x scaleDraw protected Set a scale draw scaleDraw has to be created with new and will be deleted in QwtAbstractScale or the next call of setAb stractScaleDraw 12 3 3 12 void QwtAbstractScale setAutoScale Advise the widget to control the scale range internally Autoscaling is on by default See also setScale autoScale 12 3 3 13 void QwtAbstractScale setScale const QwtScaleDiv amp scaleDiv Specify a scale Disable autoscaling and define a scale by a scale division Parameters scaleDiv Scale division See also setAutoScale 12 3 3 14 void QwtAbstractScale setScale const QwtDoubleInterval amp interval double stepSize 0 0 Specify a scale Disable autoscaling and define a scale by an interval and a step size Parameters interval Interval stepSize major step size See also setAutoScale Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 3 QwtAbstractScale Class Reference 26 12 3 3 15 void QwtAbstractScale setScale double vin double vmax double stepSize 0 0 Specify a scale Disable autoscaling and define a scale by an interval and a step size Parameters vmin lower limit of the scale interval vmax upper limit of the scale interval stepSize major step size See also setAutoScale 12 3 3 16 void QwtAbstractScale setScaleEngine QwtScaleEngine x scaleEngine Set a scale engine The scale eng
186. awButtonLabel QPainter xp virtual void drawArrow QPainter const QRect amp Qt ArrowType const virtual QRect labelRect const virtual QSize arrowSize Qt ArrowType const QSize amp boundingSize const virtual void keyPressEvent QKeyEvent x 12 9 1 Detailed Description Arrow Button A push button with one or more filled triangles on its front An Arrow button can have 1 to 3 arrows in a row pointing up down left or right Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 9 QwtArrowButton Class Reference 53 12 9 2 Constructor amp Destructor Documentation 12 9 2 1 QwtArrowButton QwtArrowButton int num Qt ArrowType arrowType QWidget x parent NULL explicit Parameters num Number of arrows arrowType see Qt ArowType in the Qt docs parent Parent widget 12 9 2 2 QwtArrowButton QwtArrowButton virtual Destructor 12 9 3 Member Function Documentation 12 9 3 1 QSize QwtArrowButton arrowSize Qt ArrowType arrowType const QSize amp boundingSize const protected virtual Calculate the size for a arrow that fits into a rect of a given size Parameters arrowType Arrow type boundingSize Bounding size Returns Size of the arrow 12 9 3 2 Qt ArrowType QwtArrowButton arrowType const The direction of the arrows 12 9 3 3 void QwtArrowButton drawArrow QPainter x painter const QRect amp r Qt ArrowType arrowType const protected virtual
187. axis and the reference axis Parameters axis Axis index see QwtPlot AxisId See also setAspectRatio 12 62 4 2 const QwtPlotCanvas QwtPlotRescaler canvas const Returns plot canvas 12 62 4 3 QwtPlotCanvas x QwtPlotRescaler canvas Returns plot canvas 12 62 4 4 bool QwtPlotRescaler eventFilter QObject x o QEvent xe virtual Event filter for the plot canvas 12 62 4 5 QwtPlotRescaler ExpandingDirection QwtPlotRescaler expandingDirection int axis const Return direction in which an axis should be expanded Parameters axis Axis index see QwtPlot AxisId See also setExpandingDirection Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 62 QwtPlotRescaler Class Reference 315 12 62 4 6 QwtDoubleInterval QwtPlotRescaler expandInterval const QwtDoubleInterval interval double width ExpandingDirection direction const protected Expand the interval Parameters interval Interval to be expanded width Distance to be added to the interval direction Direction of the expand operation Returns Expanded interval 12 62 4 7 QwtDoublelnterval QwtPlotRescaler expandScale int axis const QSize oldSize const QSize amp newSize const protected virtual Calculate the new scale interval of a plot axis Parameters axis Axis index see QwtPlot AxisId oldSize Previous size of the canvas newSize New size of the canvas Returns Ca
188. ayoutGrid QwtDynGridLayout 121 layoutltems QwtDynGridLayout 122 layoutLegend QwtPlotLayout 279 layoutScale QwtScale Widget 388 layoutSlider QwtSlider 401 layoutThermo QwtThermo 437 layoutWheel QwtWheel 446 legend QwtPlot 224 legendChecked QwtPlot 224 legendClicked QwtPlot 225 LegendDisplay Policy QwtLegend 140 legendItem QwtLegendItemManager 154 QwtPlotItem 269 legendItemChecked QwtPlot 225 legendItemClicked QwtPlot 225 LegendItemMode QwtLegend 140 legendItems QwtLegend 144 LegendPosition QwtPlot 215 legendPosition QwtPlotLayout 280 legendRatio QwtPlotLayout 280 legendRect QwtPlotLayout 280 length QwtScaleDraw 369 limited QwtDoubleInterval 109 linePen QwtPlotMarker 289 LineStyle QwtPlotMarker 288 lineStyle QwtPlotMarker 290 line Width QwtDial 91 loadData QwtPlotSvgltem 336 loadFile QwtPlotSvgltem 336 log10 QwtLog10ScaleEngine 162 lowerBound QwtScaleDiv 362 lowerMargin QwtScaleEngine 376 majPen QwtPlotGrid 261 majTickLength QwtAbstractScaleDraw 31 map QwtAbstractScaleDraw 31 margin QwtPlot 225 QwtPlotLayout 280 QwtScaleWidget 388 QwtTextLabel 432 mass QwtAbstractSlider 38 QwtWheel 447 maxCols QwtDynGridLayout 122 maxItemWidth QwtDynGridLayout 122 maxLabelHeight QwtScaleDraw 369 maxLabel Width QwtScaleDraw 370 maxScaleArc QwtDial 91 maxStackDepth QwtPlotZoomer 341 Generated on Sun Apr 11 11
189. blelnterval amp const QwtDoublelnterval unite const QwtDoubleInterval amp const QwtDoubleInterval operator const QwtDoubleInterval amp const QwtDoubleInterval operator amp const QwtDoubleInterval amp const QwtDoublelnterval operator const QwtDoubleInterval amp QwtDoublelnterval amp operator amp const QwtDoublelInterval amp QwtDoublelInterval extend double value const QwtDoubleInterval operator double const QwtDoubleInterval amp operator double bool is Valid const bool isNull const void invalidate e QwtDoublelnterval symmetrize double value const 12 24 1 Detailed Description A class representing an interval The interval is represented by 2 doubles the lower and the upper limit 12 24 2 Member Enumeration Documentation 12 24 2 1 enum QwtDoublelnterval BorderMode Flag indicating if a border is included excluded from an interval IncludeBorders min max values are inside the interval ExcludeMinimum min value is not included in the interval ExcludeMaximum max value is not included in the interval ExcludeBorders min max values are not included in the interval See also setBorderMode testBorderMode Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 24 QwtDoublelnterval Class Reference 107 12 24 3 Constructor amp Destructor Documentation 12 24 3 1 QwtDoubleInterval QwtDoubleInterval inline Default Constructor
190. by Doxygen 12 54 QwtPlotltem Class Reference 266 void setTitle const QwtText amp title const QwtText amp title const virtual int rtti const void setltemAttribute ItemAttribute bool on true bool testltemAttribute ItemAttribute const void setRenderHint RenderHint bool on true bool testRenderHint RenderHint const double z const void setZ double z void show void hide virtual void set Visible bool bool is Visible const void setAxis int xAxis int yAxis void setX Axis int axis int xAxis const void set YAxis int axis int yAxis const virtual void itemChanged virtual void draw QPainter painter const QwtScaleMap amp xMap const QwtScaleMap amp yMap const QRect amp canvasRect const 0 virtual QwtDoubleRect boundingRect const virtual void updateLegend QwtLegend x const virtual void updateScaleDiv const QwtScaleDiv amp const QwtScaleDiv amp virtual QWidget legendItem const QwtDoubleRect scaleRect const QwtScaleMap amp const QwtScaleMap amp const QRect paintRect const QwtScaleMap amp const QwtScaleMap amp const QRect transform const QwtScaleMap amp const QwtScaleMap amp const QwtDoubleRect amp const QwtDoubleRect invTransform const QwtScaleMap amp const QwtScaleMap amp const QRect amp const 12 54 1 Detailed Description Base class for items on the plot canvas A plot item is something that can be painted on
191. by Doxygen 12 74 QwtScaleEngine Class Reference 375 Inverted Turn the scale upside down See also setAttribute testAttribute reference lowerMargin upperMargin 12 74 3 Constructor amp Destructor Documentation 12 74 3 1 QwtScaleEngine QwtScaleEngine Y explicit Constructor 12 74 3 2 QwtScaleEngine QwtScaleEngine virtual Destructor 12 74 4 Member Function Documentation 12 74 4 1 int QwtScaleEngine attributes const Return the scale attributes See also Attribute setAttributes testAttribute 12 74 4 2 virtual void QwtScaleEngine autoScale int maxNumSteps double amp x1 double amp x2 double amp stepSize const pure virtual Align and divide an interval Parameters maxNumSteps Max number of steps x1 First limit of the interval In Out x2 Second limit of the interval In Out stepSize Step size Return value Implemented in QwtLinearScaleEngine and QwtLog10ScaleEngine 12 74 4 3 QwtDoublelnterval QwtScaleEngine buildInterval double v const protected Build an interval for a value In case of v 0 0 the interval is 0 5 0 5 otherwide it is 0 5 v 1 5 x v Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 74 QwtScaleEngine Class Reference 376 12 74 4 4 bool QwtScaleEngine contains const QwtDoubleInterval amp interval double value const protected Check if an interval contains a value Parameters interva
192. c Member Functions e QwtSimpleCompassRose int numThorns 8 int numThornLevels 1 void setWidth double w double width const void setNumThorns int count int numThorns const void setNumThornLevels int count int numThornLevels const void setShrinkFactor double factor double shrinkFactor const virtual void draw QPainter const QPoint center int radius double north QPalette ColorGroup QPalette Active const Static Public Member Functions e static void drawRose QPainter const QPalette amp const QPoint amp center int radius double origin double width int numThorns int numThornLevels double shrinkFactor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 78 QwtSimpleCompassRose Class Reference 395 12 78 1 Detailed Description A simple rose for QwtCompass 12 78 2 Constructor amp Destructor Documentation 12 78 2 1 QwtSimpleCompassRose QwtSimpleCompassRose int numThorns 8 int numThornLevels 1 Constructor Parameters numThorns Number of thorns numThornLevels Number of thorn levels 12 78 3 Member Function Documentation 12 78 3 1 void QwtSimpleCompassRose draw QPainter x painter const QPoint amp center int radius double north QPalette ColorGroup cg QPalette Active const virtual Draw the rose Parameters painter Painter center Center point radius Radius of the rose north Position cg Color group Implements Qw
193. cale RightScale TopScale BottomScale Public Slots void set Value double val Public Member Functions QwtThermo QWidget parent NULL virtual QwtThermo void setOrientation Qt Orientation o ScalePos s void setScalePosition ScalePos s ScalePos scalePosition const void setBorderWidth int w int borderWidth const void setFillBrush const QBrush amp b const QBrush amp fillBrush const void setFillColor const QColor amp c const QColor amp fillColor const void setAlarmBrush const QBrush amp b const QBrush amp alarmBrush const void setAlarmColor const QColor amp c const QColor amp alarmColor const void setAlarmLevel double v double alarmLevel const void setAlarmEnabled bool tf bool alarmEnabled const void setPipe Width int w Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 86 QwtThermo Class Reference 435 e int pipeWidth const e void setMax Value double v e double max Value const e void setMin Value double v e double min Value const e double value const e void setRange double vmin double vmax bool lg false e void setMargin int m e virtual QSize sizeHint const e virtual QSize minimumSizeHint const e void setScaleDraw QwtScaleDraw x e const QwtScaleDraw x scaleDraw const Protected Member Functions e void draw QPainter xp const QRect amp update_rect e void drawThermo QPa
194. cified as a QwtScaleDiv object using QwtAbstractScale Draw setScaleDiv const QwtScaleDiv s the scale can be drawn with the QwtAbstractScale Draw draw member 12 73 2 Member Enumeration Documentation 12 73 2 1 enum QwtScaleDraw Alignment Alignment of the scale draw See also setAlignment alignment Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 73 QwtScaleDraw Class Reference 366 12 73 3 Constructor amp Destructor Documentation 12 73 3 1 QwtScaleDraw QwtScaleDraw Constructor The range of the scale is initialized to 0 100 The position is at 0 0 with a length of 100 The orientation is QwtAbstractScaleDraw Bottom 12 73 3 2 QwtScaleDraw QwtScaleDraw const QwtScaleDraw amp other Copy constructor 12 73 3 3 QwtScaleDraw QwtScaleDraw virtual Destructor 12 73 4 Member Function Documentation 12 73 4 1 QwtScaleDraw Alignment QwtScaleDraw alignment const Return alignment of the scale See also setAlignment 12 73 4 2 QRect QwtScaleDraw boundingLabelRect const QFont amp font double value const Find the bounding rect for the label The coordinates of the rect are absolute coordinates calculated from pos in direction of the tick Parameters font Font used for painting value Value See also labelRect 12 73 4 3 void QwtScaleDraw drawBackbone QPainter x painter const protected virtual Draws the baseline of the
195. cker selected const QwtDoublePoint amp pos signal A signal emitted in case of selectionFlags amp PointSelection Parameters pos Selected point 12 59 3 16 void QwtPlotPicker setAxis int xAxis int yAxis virtual Set the x and y axes of the picker Parameters xAxis X axis yAxis Y axis Reimplemented in QwtPlotZoomer 12 59 3 17 QwtText QwtPlotPicker trackerText const QwtDoublePoint amp pos const protected virtual Translate a position into a position string Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 59 QwtPlotPicker Class Reference 303 In case of HLineRubberBand the label is the value of the y position in case of VLineRubberBand the value of the x position Otherwise the label contains x and y position separated by a The format for the double to string conversion is 4f Parameters pos Position Returns Position string 12 59 3 18 QwtText QwtPlotPicker trackerText const QPoint amp pos const protected virtual Translate a pixel position into a position string Parameters pos Position in pixel coordinates Returns Position string Reimplemented from QwtPicker 12 59 3 19 QPoint QwtPlotPicker transform const QwtDoublePoint amp pos const protected Translate a point from plot into pixel coordinates Returns Point in pixel coordinates See also QwtPlotPicker invTransform 12 59 3 20 QRect QwtPlotPicker transform
196. const QRect amp r const virtual Draw the symbol into a bounding rectangle This function assumes that the painter has been initialized with brush and pen before This allows a much more performant implementation when painting many symbols with the same brush and pen like in curves Parameters painter Painter r Bounding rectangle 12 82 4 4 void QwtSymbol draw QPainter x p int x int y const Draw the symbol at a point x y 12 82 4 5 void QwtSymbol draw QPainter x painter const QPoint pos const Draw the symbol at a specified point Parameters painter Painter pos Center of the symbol 12 82 4 6 bool QwtSymbol operator const QwtSymbol amp other const operator 12 82 4 7 bool QwtSymbol operator const QwtSymbol amp other const virtual operator 12 82 4 8 const QPen amp QwtSymbol pen const inline Return Pen Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 82 QwtSymbol Class Reference 415 12 82 4 9 void QwtSymbol setBrush const QBrush brush Assign a brush The brush is used to draw the interior of the symbol Parameters brush Brush 12 82 4 10 void QwtSymbol setPen const QPen pen Assign a pen The pen is used to draw the symbol s outline The width of non cosmetic pens is scaled according to the resolution of the paint device Parameters pen Pen See also pen setBrush QwtPainter scaledPen 12 8
197. const QwtText amp QwtText axisTitle int axisId const void setAxisMaxMinor int axisId int maxMinor int axisMaxMajor int axisId const void setAxisMaxMajor int axisId int maxMajor int axisMaxMinor int axisId const void insertLegend QwtLegend LegendPosition QwtPlot RightLegend double ratio 1 0 QwtLegend x legend const QwtLegend gt legend const virtual void polish virtual QSize sizeHint const virtual QSize minimumSizeHint const virtual void updateLayout virtual void drawCanvas QPainter x void updateAxes virtual bool event QE vent x Protected Slots virtual void legendItemClicked virtual void legendItemChecked bool Protected Member Functions virtual void drawltems QPainter x const QRect amp const QwtScaleMap maps axisCnt const Qwt PlotPrintFilter amp const virtual void updateTabOrder virtual void resizeEvent QResizeEvent xe virtual void printLegendItem QPainter x const QWidget const QRect amp const virtual void printTitle QPainter const QRect amp const virtual void printScale QPainter x int axisId int startDist int endDist int baseDist const QRect amp const virtual void printCanvas QPainter x const QRect amp boundingRect const QRect amp canvasRect const QwtScaleMap maps axisCnt const QwtPlotPrintFilter 2 const virtual void printLegend QPainter x const QRect amp const Static Protected Member Functions static boo
198. court order agreement or otherwise that contradict the conditions of this License they do not excuse you from the conditions of this License If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations then as a consequence you may not distribute the Library at all For example if a patent license would not permit royalty free redistribution of the Library by all those who receive copies directly or indirectly through you then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Library If any portion of this section is held invalid or unenforceable under any particular circumstance the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims this section has the sole purpose of protecting the integrity of the free software distribution system which is implemented by public license practices Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system it is up to the author donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice This sect
199. ct amp virtual QwtRasterData virtual QwtRasterData copy const 0 virtual void setBoundingRect const QwtDoubleRect amp QwtDoubleRect boundingRect const virtual QSize rasterHint const QwtDoubleRect amp const virtual void initRaster const QwtDoubleRect amp const QSize amp raster virtual void discardRaster virtual double value double x double y const 0 virtual QwtDoubleInterval range const 0 virtual ContourLines contourLines const QwtDoubleRect amp rect const QSize amp raster const QList lt double gt amp levels int flags const 12 68 1 Detailed Description QwtRasterData defines an interface to any type of raster data QwtRasterData is an abstract interface that is used by QwtPlotRasterltem to find the values at the pixels of its raster Often a raster item is used to display values from a matrix Then the derived raster data class needs to implement some sort of resampling that maps the raster of the matrix into the requested raster of the raster item depending on resolution and scales of the canvas 12 68 2 Member Enumeration Documentation 12 68 2 1 enum QwtRasterData ConrecAttribute Attribute to modify the contour algorithm 12 68 3 Constructor amp Destructor Documentation 12 68 3 1 QwtRasterData QwtRasterData Constructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 68 QwtRasterData Class Reference 349 12 68 3 2 QwtRaste
200. ctrogram contourPen double level const virtual Calculate the pen for a contour line The color of the pen is the color for level calculated by the color map Parameters level Contour level Returns Pen for the contour line Note contourPen is only used if defaultContourPen style Qt NoPen See also setDefaultContourPen setColorMap setContourLevels 12 64 4 5 QSize QwtPlotSpectrogram contourRasterSize const QwtDoubleRect amp area const QRect amp rect const protected virtual Return the raster to be used by the CONREC contour algorithm A larger size will improve the precisision of the CONREC algorithm but will slow down the time that is needed to calculate the lines The default implementation returns rect size 2 bounded to data rasterHint Parameters area Rect where to calculate the contour lines rect Rect in pixel coordinates where to paint the contour lines Returns Raster to be used by the CONREC contour algorithm Note The size will be bounded to rect size See also drawContourLines QwtRasterData contourLines 12 64 4 6 const QwtRasterData amp QwtPlotSpectrogram data const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 64 QwtPlotSpectrogram Class Reference 330 Returns Spectrogram data See also setData 12 64 4 7 QPen QwtPlotSpectrogram defaultContourPen const Returns Default contour pen
201. cumentation o o a 288 12 57 4 Member Function Documentation a 288 12 58 wtPlotPanner Class Reference lt o coec cca e rapa aad e a EERE SS 293 1238 1 Detaled Descnphon lt mita rra e RR 294 12 58 2 Constructor amp Destructor Documentation o 294 12 58 3 Member Function Documentation 2 000202 eee eee 295 12 590 wtPlotPicker Class Reference 2 5005 4h BGR ER eee kes 296 12 59 1 Detailed Description Oe a A Re ES 298 12 59 2 Constructor amp Destructor Documentation o 00 4 298 1259 3 Member Function Documentation lt spea ssp be eb pee np ee aaa 299 12 60QwtPlotPrintFilter Class Reference ee 304 12 60 1 Detailed Description soeces sr o ee ee 305 12 60 2 Member Enumeration Documentation 305 12 60 3 Constructor amp Destructor Documentation coo ses eee Ba 305 12 60 4 Member Function Documentation e eee 306 12 61QwtPlotRasterltem Class Reference e 307 1261 1 Detailed Description lt o s a pa ao e e i oia de a 308 12 61 2 Member Enumeration Documentation ooo a 308 12 61 3 Constructor amp Destructor Documentation sooo 000 309 12 614 Member Function Documentation se o os se me reda meae e a 309 12 62QwtPlotRescaler Class Reference 0 5 54 bbb ee ee EG 311 12 62 1 Detailed Description lt lt AR Aa he ee 313 12 62 2 Member Enum
202. cumentation 12 27 2 1 enum QwtEventPattern KeyPatternCode Symbolic keyboard input codes Default initialization Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 27 QwtEventPattern Class Reference 127 KeySelect1 Qt Key_Return KeySelect2 Qt Key_Space KeyAbort Qt Key_Escape KeyLeft Qt Key_Left KeyRight Qt Key_Right KeyUp Qt Key_Up KeyDown Qt Key_Down KeyUndo Qt Key_Minus KeyRedo Qt Key_Plus KeyHome Qt Key_Escape 12 27 2 2 enum QwtEventPattern MousePatternCode Symbolic mouse input codes The default initialization for 3 button mice is e MouseSelectl Qt LeftButton e MouseSelect2 Qt RightButton e MouseSelect3 Qt MidButton e MouseSelect4 Qt LeftButton Qt ShiftButton e MouseSelect5 Qt RightButton Qt ShiftButton Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 27 QwtEventPattern Class Reference 128 e MouseSelect6 Qt MidButton Qt ShiftButton The default initialization for 2 button mice is MouseSelect1 Qt LeftButton MouseSelect2 Qt RightButton MouseSelect3 Qt LeftButton Qt AltButton MouseSelect4 Qt LeftButton Qt ShiftButton e MouseSelect5 Qt RightButton Qt ShiftButton e MouseSelect6 Qt LeftButton Qt AltButton Qt ShiftButton The default initialization for 1 button mice is e MouseSelectl Qt LeftButton e MouseSelect2 Qt LeftButton Qt Control
203. d QwtThermo 440 setAlarmLevel QwtThermo 440 setAlignCanvasToScales QwtPlotLayout 281 setAlignment QwtPlotScalelItem 323 QwtScaleDraw 372 QwtScaleWidget 389 setAlpha OwtPlotRasterltem 311 setAngleRange QwtRoundScaleDraw 357 setAspectRatio QwtPlotRescaler 317 setAttribute QwtScaleEngine 377 setAttributes QwtScaleEngine 377 setAutoDelete QwtPlotDict 258 setAutoReplot QwtPlot 228 setAutoScale QwtAbstractScale 24 setAxis QwtPlotItem 271 QwtPlotPicker 302 QwtPlotZoomer 342 setAxisAutoScale QwtPlot 229 setAxisEnabled QwtPlotMagnifier 286 QwtPlotPanner 296 setAxisFont QwtPlot 229 setAxisLabelAlignment QwtPlot 229 setAxisLabelRotation QwtPlot 230 setAxisMax Major QwtPlot 230 setAxisMax Minor QwtPlot 230 setAxisScale QwtPlot 230 setAxisScaleDiv QwtPlot 231 setAxisScaleDraw QwtPlot 231 setAxisScaleEngine QwtPlot 231 setAxisTitle QwtPlot 232 setBackgroundBrush QwtText 422 setBackgroundPen QwtText 422 setBaseline QwtPlotCurve 251 setBgStyle QwtSlider 402 setBorderDist QwtScaleWidget 390 setBorderDistance QwtPlotScalelItem 323 setBorderFlags QwtDoubleInterval 111 setBorderWidth QwtKnob 137 QwtSlider 402 QwtThermo 440 setBoundingRect QwtRasterData 350 setBrush QwtPlotCurve 251 QwtSymbol 414 setCachePolicy QwtPlotRasterltem 311 setCanvasBackground QwtPlot 232 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 478 setCanvasLine
204. d QwtPlotItem setX Axis int axis Set the X axis The item will painted according to the coordinates its Axes Parameters axis X Axis See also setAxis setYAxis xAxis Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 54 QwtPlotltem Class Reference 273 12 54 4 21 void QwtPlotItem setYAxis int axis The item will painted according to the coordinates its Axes Parameters axis Y Axis See also setAxis setXAxis yAxis 12 54 4 22 void QwtPlotItem setZ double z Set the z value Plot items are painted in increasing z order Parameters z Z value See also ZO QwtPlotDict itemList 12 54 4 23 void QwtPlotItem show Show the item Set the Y axis 12 54 4 24 bool QwtPlotltem testltemAttribute ItemAttribute attribute const Parameters attribute Attribute type Returns true false See also setltemAttribute ItemAttribute Test an item attribute Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 54 QwtPlotltem Class Reference 274 12 54 4 25 bool QwtPlotItem testRenderHint RenderHint hint const Test a render hint Parameters hint Render hint Returns true false See also setRenderHint RenderHint 12 54 4 26 const QwtText amp QwtPlotItem title const Returns Title of the item See also setTitle 12 54 4 27 QRect QwtPlotItem transform const QwtScaleMap amp xMap cons
205. dArrow Class Reference 68 colorGroup Color group Implemented in QwtSimpleCompassRose 12 14 2 2 const QPalette amp QwtCompassRose palette const inline Returns Current palette 12 14 2 3 virtual void QwtCompassRose setPalette const QPalette amp p inline virtual Assign a palette 12 15 QwtCompassWindArrow Class Reference An indicator for the wind direction include lt qwt_dial_needle h gt Inheritance diagram for QwtCompassWindArrow QwtDialNeedle QwiCompassWindArrow Public Types e enum Style Stylel Style2 Public Member Functions e QwtCompassWindArrow Style const QColor amp light Qt white const QColor amp dark Qt gray e virtual void draw QPainter const QPoint amp int length double direction QPalette ColorGroup QPalette Active const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 15 QwtCompassWindArrow Class Reference 69 Static Public Member Functions e static void drawStylel Needle QPainter x const QPalette amp QPalette ColorGroup const QPoint amp int length double direction e static void drawStyle2Needle QPainter x const QPalette amp QPalette ColorGroup const QPoint amp int length double direction 12 15 1 Detailed Description An indicator for the wind direction QwtCompassWindArrow shows the direction where the wind comes from e QColorGroup Light Used for Stylel or the light half of S
206. dicator focusIndicator 12 50 4 14 void QwtPlotCanvas setPaintAttribute PaintAttribute attribute bool on true Changing the paint attributes Parameters attribute Paint attribute on On Off The default setting enables PaintCached and PaintPacked See also testPaintAttribute drawCanvas drawContents paintCache 12 50 4 15 bool QwtPlotCanvas testPaintAttribute PaintAttribute attribute const Test wether a paint attribute is enabled Parameters attribute Paint attribute Returns true if the attribute is enabled See also setPaintAttribute 12 51 QwtPlotCurve Class Reference A plot item that represents a series of points include lt qwt_plot_curve h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 240 Inheritance diagram for QwtPlotCurve QwtLegendltemManager QwtPlotltem QwtPlotCurve Public Types e enum CurveType Yfx Xfy enum CurveStyle NoCurve Lines Sticks Steps Dots UserCurve 100 enum CurveAttribute Inverted 1 Fitted 2 enum PaintAttribute PaintFiltered 1 ClipPolygons 2 Public Member Functions e QwtPlotCurve e QwtPlotCurve const QwtText amp title e QwtPlotCurve const QString amp title virtual QwtPlotCurve virtual int rtti const void setCurveType CurveType CurveType curveType const void setPaintAttribute PaintAtt
207. didn t enable autobuilding of the examples in qwtconfig pri you have to build the examples this way cd examples qmake examples pro nmake admin msvc qmake bat helps users of Visual Studio users to generate makefiles or project files dsp for MSVC 6 0 or vcproj for MSVC NET for Qwt To generate makefiles type admin msvc qmake To generate project files type admin msvc qmake vc When you have built a Qwt DLL you need to add the following define to your compiler flags QWT_DLL Windows doesn t like mixing of debug and release binaries Most of the problems with using the Qwt designer plugin are because of trying to load a Qwt debug library into a designer release executable C Win32 MinGW Ot 4 C1 Windows Shell Start a Windows Shell where Qt4 is initialized F e with Programs gt 0t by Trolltech gt Qt 4 x x Command Prompt qmake qwt pro make If you didn t enable autobuilding of the examples in qwtconfig pri you have to build the examples this way cd examples qmake examples pro make make install C2 MSYS Shell Qt gt 4 3 0 Support for the MSYS Shell has been improved in Ot 4 3 0 Now building Qwt from the MSYS Shell works exactly like in UNIX or in the Windows Shell or at least it should because of a bug in Qt 4 3 0 you always have to do a qmake r C3 MSYS Shell Qt lt 4 3 0 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 3 INSTALL 13 For Qt
208. e QwtPickerMachine QwitPickerDragRectMachine Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 46 QwtPickerMachine Class Reference 206 Public Member Functions e virtual CommandList transition const QwtEventPattern amp const QEvent 12 45 1 Detailed Description A state machine for rectangle selections Pressing QwtEventPattern MouseSelectl selects the first point releasing it the second point Pressing QwtEventPattern KeySelectl also selects the first point a second press selects the second point and terminates the selection See also QwtEventPattern MousePatternCode QwtEventPattern KeyPatternCode 12 45 2 Member Function Documentation 12 45 2 1 QwtPickerMachine CommandList QwtPickerDragRectMachine transition const QwtEventPattern amp eventPattern const QEvent xe virtual Transition Implements QwtPickerMachine 12 46 QwtPickerMachine Class Reference A state machine for QwtPicker selections include lt qwt_picker_machine h gt Inheritance diagram for QwtPickerMachine QwtPickerMachine Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 46 QwtPickerMachine Class Reference 207 Public Types e enum Command Begin Append Move End e typedef QList lt Command gt CommandList Public Member Functions virtual QwtPickerMachine virtual CommandList transition const QwtEventPattern amp const
209. e const inline boundingRect right Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 251 12 51 4 23 double QwtPlotCurve maxY Value const inline boundingRect bottom 12 51 4 24 double QwtPlotCurve minX Value const inline boundingRect left 12 51 4 25 double QwtPlotCurve minYValue const inline boundingRect topO 12 51 4 26 const QPen amp QwtPlotCurve pen const Return the pen used to draw the lines See also setPen brush 12 51 4 27 int QwtPlotCurve rtti const virtual Returns QwtPlotltem Rtti_PlotCurve Reimplemented from QwtPlotltem 12 51 4 28 void QwtPlotCurve setBaseline double reference Set the value of the baseline The baseline is needed for filling the curve with a brush or the Sticks drawing style The default value is 0 0 The interpretation of the baseline depends on the CurveType With QwtPlotCurve Yfx the baseline is interpreted as a horizontal line at y baseline with QwtPlotCurve Yfy it is interpreted as a vertical line at x baseline Parameters reference baseline See also baseline setBrush setStyle setCurveType Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 252 12 51 4 29 void QwtPlotCurve setBrush const QBrush amp brush Assign a brush In case of brush style QBrus
210. e 0 255 to control the transparency of the image 0 represents a fully transparent color while 255 represents a fully opaque color Parameters alpha Alpha value e alpha gt 0 All alpha values of the pixels returned by renderImage will be set to alpha beside those with an alpha value of 0 invalid pixels e alpha lt 0 The alpha values returned by renderImage are not changed The default alpha value is 1 See also alpha 12 61 4 8 void QwtPlotRasterItem setCachePolicy QwtPlotRasterItem CachePolicy policy Change the cache policy The default policy is NoCache Parameters policy Cache policy See also CachePolicy cachePolicy 12 62 QwtPlotRescaler Class Reference QwtPlotRescaler takes care of fixed aspect ratios for plot scales include lt qwt_plot_rescaler h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 62 QwtPlotRescaler Class Reference 312 Public Types enum RescalePolicy Fixed Expanding Fitting enum ExpandingDirection ExpandUp ExpandDown ExpandBoth Public Member Functions QwtPlotRescaler QwtPlotCanvas x int referenceAxis QwtPlot xBottom RescalePol icy Expanding virtual QwtPlotRescaler void setEnabled bool bool isEnabled const void setRescalePolicy RescalePolicy RescalePolicy rescalePolicy const void setExpandingDirection ExpandingDirection void setExpandingDirection int axis ExpandingD
211. e 126 mouseMatch 130 mousePattern 131 MousePatternCode 127 QwtEventPattern 128 setKeyPattern 131 setMousePattern 131 132 QwtEventPattern KeyPattern 20 QwtEventPattern MousePattern 21 QwtIntervalData 132 QwitintervalData 133 boundingRect 133 interval 133 QwtIntervalData 132 setData 133 size 133 value 133 QwtKnob 134 QwtKnob 135 borderWidth 136 draw 136 drawKnob 136 drawMarker 136 knobWidth 136 minimumSizeHint 136 paintEvent 137 QwtKnob 135 resizeEvent 137 scaleDraw 137 setBorderWidth 137 setKnobWidth 137 setScaleDraw 138 setSymbol 138 setTotalAngle 138 sizeHint 138 Symbol 135 symbol 138 totalAngle 139 QwtLegend 139 QwtLegend 141 clear 141 contents Widget 141 displayPolicy 142 eventFilter 142 find 142 heightForWidth 142 horizontalScrollBar 143 identifierMode 143 insert 143 isEmpty 143 itemCount 143 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 466 itemMode 144 layoutContents 144 LegendDisplayPolicy 140 LegendItemMode 140 legendItems 144 QwtLegend 141 remove 144 resizeEvent 144 setDisplayPolicy 144 setltemMode 144 sizeHint 145 verticalScrollBar 145 QwtLegendItem 145 QwtLegendItem 147 checked 148 clicked 148 curvePen 148 drawldentifier 148 drawltem 148 drawText 148 IdentifierMode 147 identifierMode 148 identifierWidth 149 isChecked 149 isDown 149 itemMode 149 keyPressEvent
212. e QPainter x painter protected virtual Draw the frame around the dial Parameters painter Painter See also lineWidthQ frameShadow 12 20 4 7 void QwtDial drawNeedle QPainter painter const QPoint amp center int radius double direction QPalette ColorGroup cg const protected virtual Draw the needle Parameters painter Painter center Center of the dial radius Length for the needle direction Direction of the needle in degrees counter clockwise cg ColorGroup Reimplemented in QwtAnalogClock 12 20 4 8 void QwtDial drawScale QPainter x painter const QPoint center int radius double origin double minArc double maxArc const protected virtual Draw the scale Parameters painter Painter center Center of the dial radius Radius of the scale origin Origin of the scale minArc Minimum of the arc maxArc Minimum of the arc See also QwtAbstractScaleDraw setAngleRange Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 20 QwtDial Class Reference 90 12 20 4 9 void QwtDial drawScaleContents QPainter x painter const QPoint center int radius const protected virtual Draw the contents inside the scale Paints nothing Parameters painter Painter center Center of the contents circle radius Radius of the contents circle Reimplemented in QwtCompass 12 20 4 10 QwtDial Shadow QwtDial frameShadow const Returns Frame shadow sa setFra
213. e library and 2 we offer you this license which gives you legal permission to copy distribute and or modify the library To protect each distributor we want to make it very clear that there is no warranty for the free library Also if the library is modified by someone else and passed on the recipients should know that what they have is not the original version so that the original author s reputation will not be affected by problems that might be introduced by others Finally software patents pose a constant threat to the existence of any free program We wish to make sure that a company cannot effectively restrict the users of a free program by obtaining a restrictive license from a patent holder Therefore we insist that any patent license obtained for a version of the library must be consistent with the full freedom of use specified in this license Most GNU software including some libraries is covered by the ordinary GNU General Public License This license the GNU Lesser General Public License applies to certain designated libraries and is quite different from the ordinary General Public License We use this license for certain libraries in order to permit linking those libraries into non free programs When a program is linked with a library whether statically or using a shared library the combination of the two is legally speaking a combined work a derivative of the original library The ordinary General Public Lice
214. e Map yMap y Scale Map canvasRect Contents rect of the canvas in painter coordinates Implements QwtPlotltem virtual Draw the marker Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 57 QwtPlotMarker Class Reference 289 12 57 4 3 void QwtPlotMarker drawAt QPainter painter const QRect canvasRect const QPoint amp pos const protected Draw the marker at a specific position Parameters painter Painter canvasRect Contents rect of the canvas in painter coordinates pos Position of the marker in painter coordinates 12 57 4 4 QwtText QwtPlotMarker label const Returns the label See also setLabel 12 57 4 5 Qt Alignment QwtPlotMarker labelAlignment const Returns the label alignment See also setLabelAlignment setLabelOrientation 12 57 4 6 Qt Orientation QwtPlotMarker labelOrientation const Returns the label orientation See also setLabelOrientation labelAlignment Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 57 QwtPlotMarker Class Reference 290 12 57 4 7 const QPen amp QwtPlotMarker linePen const Returns the line pen See also setLinePen 12 57 4 8 QwtPlotMarker LineStyle QwtPlotMarker lineStyle const Returns the line style See also For a description of line styles see QwtPlotMarker setLineStyle 12 57 4 9 int QwtPlotMarker rtti const virtual
215. e algorithm See also setFitMode 12 81 3 3 void QwtSplineCurveFitter setFitMode FitMode mode Select the algorithm used for building the spline Parameters mode Mode representing a spline algorithm See also fitMode 12 81 3 4 void QwtSplineCurveFitter setSplineSize int spline Size Assign a spline size has to be at least 10 points Parameters splineSize Spline size See also splineSize 12 81 3 5 int QwtSplineCurveFitter splineSize const Returns Spline size See also setSplineSizeQ 12 82 QwtSymbol Class Reference A class for drawing symbols include lt qwt_symbol h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 82 QwtSymbol Class Reference 412 Public Types enum Style NoSymbol 1 Ellipse Rect Diamond Triangle DTriangle UTriangle LTriangle RTriangle Cross XCross HLine VLine Starl Star2 Hexagon StyleCnt Public Member Functions QwtSymbol QwtSymbol Style st const QBrush amp bd const QPen amp pn const QSize s virtual QwtSymbol bool operator const QwtSymbol amp const virtual bool operator const QwtSymbol amp const virtual QwtSymbol x clone const void setSize const QSize amp s void setSize int a int b 1 void setBrush const QBrush amp b void setPen const QPen amp p void setStyle Style s const QBrush amp brush const const QPen amp pen co
216. e also enableX 12 53 3 4 void QwtPlotGrid enableY bool f Enable or disable horizontal gridlines Parameters tf Enable true or disable See also Minor gridlines can be enabled or disabled with enable YMin 12 53 3 5 void QwtPlotGrid enableY Min bool f Enable or disable minor horizontal gridlines Parameters tf Enable true or disable See also enable Y 12 53 3 6 const QPen amp QwtPlotGrid majPen const Returns the pen for the major gridlines See also setMajPen setMinPen setPen 12 53 3 7 const QPen amp QwtPlotGrid minPen const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 53 QwtPlotGrid Class Reference 262 Returns the pen for the minor gridlines See also setMinPen setMajPen setPen 12 53 3 8 int QwtPlotGrid rtti const virtual Returns QwtPlotltem Rtti_PlotGrid Reimplemented from QwtPlotltem 12 53 3 9 void QwtPlotGrid setMajPen const QPen pen Assign a pen for the major gridlines The width of non cosmetic pens is scaled according to the resolution of the paint device Parameters pen Pen See also majPen setMinPen setPen QwtPainter scaledPen 12 53 3 10 void QwtPlotGrid setMinPen const QPen amp pen Assign a pen for the minor gridlines The width of non cosmetic pens is scaled according to the resolution of the paint device Parameters pen Pen See also
217. e x yData int size Initialize the data by pointing to memory blocks which are not managed by QwtPlotCurve setRawData is provided for efficiency It is important to keep the pointers during the lifetime of the under lying QwtCPointerData class Parameters xData pointer to x data yData pointer to y data size size of x and y Note Internally the data is stored in a QwtCPointerData object 12 51 4 40 void QwtPlotCurve setStyle CurveStyle style Set the curve s drawing style Parameters style Curve style See also CurveStyle style Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 255 12 51 4 41 void QwtPlotCurve setSymbol const QwtSymbol amp symbol Assign a symbol Parameters symbol Symbol See also symbol 12 51 4 42 QwtPlotCurve CurveStyle QwtPlotCurve style const Return the current style See also CurveStyle setStyle 12 51 4 43 const QwtSymbol amp QwtPlotCurve symbol const Return the current symbol See also setSymbol 12 51 4 44 bool QwtPlotCurve testCurveAttribute CurveAttribute attribute const Returns true if attribute is enabled See also CurveAttribute setCurveAttribute 12 51 4 45 bool QwtPlotCurve testPaintAttribute PaintAttribute attribute const Return the current paint attributes See also PaintAttribute setPaintAttribute Generated on Sun Apr 11 11 55 09
218. e zoomer with its scales This might be necessary when the plot is in a state with pending scale changes See also QwtPlot autoReplot QwtPlot replotQ setZoomBase Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 66 QwtPlotZoomer Class Reference 340 12 66 2 3 QwtPlotZoomer QwtPlotZoomer int xAxis int yAxis int selectionFlags DisplayMode trackerMode QwtPlotCanvas x canvas bool doReplot true explicit Create a zoomer for a plot canvas Parameters xAxis X axis of the zoomer yAxis Y axis of the zoomer selectionFlags Or d value of QwtPicker RectSelectionType and QwtPicker SelectionMode Qwt Picker RectSelection will be auto added trackerMode Tracker mode canvas Plot canvas to observe also the parent object doReplot Call replot for the attached plot before initializing the zoomer with its scales This might be necessary when the plot is in a state with pending scale changes See also QwtPicker QwtPicker setSelectionFlags QwtPicker setRubberBand Qwt Picker setTrackerMode QwtPlot autoReplot QwtPlot replotQ setZoomBase 12 66 3 Member Function Documentation 12 66 3 1 bool QwtPlotZoomer accept QwtPolygon amp pa const protected virtual Check and correct a selected rectangle Reject rectangles with a hight or width lt 2 otherwise expand the selected rectangle to a minimum size of 11x11 and accept it Returns true If rect is accepted
219. eDiv object using QwtAbstractScale Draw setScaleDiv const QwtScaleDiv s the scale can be drawn with the QwtAbstractScale Draw draw member 12 4 2 Member Enumeration Documentation 12 4 2 1 enum QwtAbstractScaleDraw ScaleComponent Components of a scale e Backbone e Ticks e Labels See also enableComponent hasComponent 12 4 3 Constructor amp Destructor Documentation 12 4 3 1 QwtAbstractScaleDraw QwtAbstractScaleDraw Constructor The range of the scale is initialized to 0 100 The spacing distance between ticks and labels is set to 4 the tick lengths are set to 4 6 and 8 pixels Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 4 QwtAbstractScaleDraw Class Reference 29 12 4 3 2 QwtAbstractScaleDraw QwtAbstractScaleDraw const QwtAbstractScaleDraw amp other Copy constructor 12 4 3 3 QwtAbstractScaleDraw QwtAbstractScaleDraw virtual Destructor 12 4 4 Member Function Documentation 12 4 4 1 void QwtAbstractScaleDraw draw QPainter painter const QPalette amp palette const virtual Draw the scale Parameters painter The painter palette Palette text color is used for the labels foreground color for ticks and backbone 12 4 4 2 virtual void QwtAbstractScaleDraw drawBackbone QPainter x painter const protected pure virtual Draws the baseline of the scale Parameters painter Painter See also drawTick drawLabel Implemented in
220. ePolicy CachePolicy cachePolicy const void invalidateCache virtual void draw QPainter p const QwtScaleMap amp xMap const QwtScaleMap amp yMap const QRect amp rect const virtual QSize rasterHint const QwtDoubleRect amp const Protected Member Functions e virtual QImage renderlmage const QwtScaleMap amp xMap const QwtScaleMap amp yMap const Qwt DoubleRect amp area const 0 12 61 1 Detailed Description A class which displays raster data Raster data is a grid of pixel values that can be represented as a QImage It is used for many types of information like spectrograms cartograms geographical maps Often a plot has several types of raster data organized in layers f e a geographical map with weather statistics Using setAlpha raster items can be stacked easily QwtPlotRasterltem is only implemented for images of the following formats QImage Format_Indexed8 QImage Format_ARGB32 See also QwtPlotSpectrogram 12 61 2 Member Enumeration Documentation 12 61 2 1 enum QwtPlotRasterItem CachePolicy NoCache renderlmage is called whenever the item has to be repainted Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 61 QwtPlotRasterltem Class Reference 309 e PaintCache renderlmage is called whenever the image cache is not valid or the scales or the size of the canvas has changed This type of cache is only useful for improving the performance
221. ead of to this License If a newer version than version 2 of the ordinary GNU General Public License has appeared then you can specify that version instead if you wish Do not make any other change in these notices Once this change is made in a given copy it is irreversible for hat copy so the ordinary GNU General Public License applies to all subsequent copies and derivative works made from that copy ct This option is useful when you wish to copy part of the code of he Library into a program that is not a library ct 4 You may copy and distribute the Library or a portion or Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 2 Qwt License Version 1 0 derivative of it under Section 2 in object code or executable form under the terms of Sections 1 and 2 above provided that you accompany it with the complete corresponding machine readable source code which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange If distribution of object code is made by offering access to copy from a designated place then offering equivalent access to copy the source code from the same place satisfies the requirement to distribute the source code even though third parties are not compelled to copy the source along with the object code 5 A program that contains no derivative of any portion of the Library but is designed to work with the Library b
222. ect amp const virtual void draw QPainter xp const QwtScaleMap amp xMap const QwtScaleMap amp yMap int from int to const void draw int from int to const virtual void updateLegend QwtLegend x const Protected Member Functions void init virtual void drawCurve QPainter xp int style const QwtScaleMap amp xMap const QwtScaleMap amp yMap int from int to const virtual void drawSymbols QPainter xp const QwtSymbol amp const QwtScaleMap amp xMap const QwtScaleMap amp yMap int from int to const void drawLines QPainter xp const QwtScaleMap amp xMap const QwtScaleMap amp yMap int from int to const void drawSticks QPainter xp const QwtScaleMap amp xMap const QwtScaleMap amp yMap int from int to const void drawDots QPainter p const QwtScaleMap amp xMap const QwtScaleMap amp yMap int from int to const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 242 e void drawSteps QPainter xp const QwtScaleMap amp xMap const QwtScaleMap amp yMap int from int to const e void fillCurve QPainter const QwtScaleMap amp const QwtScaleMap amp QwtPolygon amp const e void closePolyline const QwtScaleMap amp const QwtScaleMap amp QwtPolygon amp const 12 51 1 Detailed Description A plot item that represents a series of points A curve is the representation of a series of points in the x y plane It supports di
223. ed double value signal This signal is emitted when the user moves the slider with the mouse Parameters value new value Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 5 QwtAbstractSlider Class Reference 42 12 5 4 22 void QwtAbstractSlider sliderPressed signal This signal is emitted when the user presses the movable part of the slider start ScrMouse Mode 12 5 4 23 void QwtAbstractSlider sliderReleased signal This signal is emitted when the user releases the movable part of the slider 12 5 4 24 void QwtAbstractSlider stopMoving Stop updating if automatic scrolling is active 12 5 4 25 void QwtAbstractSlider timerEvent QTimerEvent xe protected virtual Qt timer event Parameters e Timer event 12 5 4 26 void QwtAbstractSlider valueChange protected virtual Notify change of value This function can be reimplemented by derived classes in order to keep track of changes i e repaint the widget The default implementation emits a valueChanged signal if tracking is enabled Reimplemented from QwtDoubleRange Reimplemented in QwtDial QwtSlider and QwtWheel 12 5 4 27 void QwtAbstractSlider valueChanged double value signal Notify a change of value In the default setting tracking enabled this signal will be emitted every time the value changes see setTracking Parameters value new value 12 5 4 28 void QwtAbstractSlider wheelEvent
224. ed in QwtPlotGrid and QwtPlotScaleltem 12 54 4 30 int QwtPlotItem xAxis const Return xAxis 12 54 4 31 int QwtPlotItem yAxis const Return yAxis 12 54 4 32 double QwtPlotItem z const Plot items are painted in increasing z order Returns setZ QwtPlotDict itemList Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 55 QwtPlotLayout Class Reference 276 12 55 QwtPlotLayout Class Reference Layout engine for QwtPlot include lt qwt_plot_layout h gt Public Types enum Options AlignScales 1 IgnoreScrollbars 2 IgnoreFrames 4 IgnoreMargin 8 IgnoreLegend 16 Public Member Functions QwtPlotLayout virtual QwtPlotLayout void setMargin int int margin const void setCanvasMargin int margin int axis 1 int canvasMargin int axis const void setAlignCanvasToScales bool bool alignCanvasToScales const void setSpacing int int spacing const void setLegendPosition QwtPlot LegendPosition pos double ratio void setLegendPosition QwtPlot LegendPosition pos QwtPlot LegendPosition legendPosition const void setLegendRatio double ratio double legendRatio const virtual QSize minimumSizeHint const QwtPlot const virtual void activate const QwtPlot x const QRect amp rect int options 0 virtual void invalidate const QRect amp titleRect const const QRect amp legendRect const const QRect amp
225. ed on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 27 QwtEventPattern Class Reference 126 KeyLeft KeyRight KeyUp KeyDown KeyRedo KeyUndo KeyHome KeyPatternCount Public Member Functions e QwtEventPattern virtual QwtEventPattern void initMousePattern int numButtons void initKeyPattern void setMousePattern uint pattern int button int state Qt NoButton void setKeyPattern uint pattern int key int state Qt NoButton void setMousePattern const QwtArray lt MousePattern gt 4 void setKeyPattern const QwtArray lt KeyPattern gt amp const QwtArray lt MousePattern gt amp mousePattern const const QwtArray lt KeyPattern gt amp keyPattern const QwtArray lt MousePattern gt amp mousePattern QwtArray lt KeyPattern gt amp keyPattern bool mouseMatch uint pattern const QMouseEvent x const bool keyMatch uint pattern const QKeyEvent x const Protected Member Functions e virtual bool mouseMatch const MousePattern amp const QMouseEvent const e virtual bool keyMatch const KeyPattern amp const QKeyEvent x const 12 27 1 Detailed Description A collection of event patterns QwtEventPattern introduces an level of indirection for mouse and keyboard inputs Those are represented by symbolic names so the application code can be configured by individual mappings See also QwtPicker QwtPickerMachine QwtPlotZoomer 12 27 2 Member Enumeration Do
226. eel Width int w Set the width of the wheel Corresponds to the wheel height for horizontal orientation and the wheel width for vertical orientation Parameters w the wheel s width Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 87 QwtWheel Class Reference 450 12 87 3 21 OSize QwtWheel sizeHint const virtual Returns a size hint 12 87 3 22 int QwtWheel tickCnt const Returns Number of grooves in the wheel s surface See also setTickCnt 12 87 3 23 double QwtWheel totalAngle const Returns Total angle which the wheel can be turned See also setTotalAngle 12 87 3 24 void QwtWheel valueChange protected virtual Notify value change Reimplemented from QwtAbstractSlider 12 87 3 25 double QwtWheel viewAngle const Returns Visible portion of the wheel See also setViewAngle totalAngle Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen Index QwtAbstractScale QwtAbstractScale 22 QwtAbstractScaleDraw QwtAbstractScaleDraw 28 QwtAbstractSlider QwtAbstractSlider 36 QwtAlphaColorMap QwtAlphaColorMap 43 QwtAnalogClock QwtAnalogClock 47 QwtArrowButton QwtArrowButton 53 QwtColorMap QwtColorMap 57 QwtCompass QwtCompass 61 QwtCounter QwtCounter 73 QwtCurveFitter QwtCurveFitter 81 QwtData QwtData 82 QwtDial QwtDial 87 QwtDialNeedle QwtDialNeedle 99 QwtDoubleRange
227. eference 86 Protected Member Functions virtual void paintEvent QPaintEvent x virtual void resizeEvent QResizeEvent x virtual void keyPressEvent QKeyEvent x virtual void updateMask virtual void drawFrame QPainter xp virtual void drawContents QPainter const virtual void drawFocusIndicator QPainter x const virtual void drawScale QPainter x const QPoint amp center int radius double origin double arcMin double arcMax const virtual void drawScaleContents QPainter painter const QPoint amp center int radius const virtual void drawNeedle QPainter const QPoint amp int radius double direction QPalette ColorGroup const virtual QwtText scaleLabel double const void updateScale virtual void rangeChange virtual void valueChange virtual double getValue const QPoint amp virtual void getScrollMode const QPoint amp int amp scrollMode int amp direction Friends e class QwtDialScaleDraw 12 20 1 Detailed Description QwtDial class provides a rounded range control QwtDial is intended as base class for dial widgets like speedometers compass widgets clocks A dial contains a scale and a needle indicating the current value of the dial Depending on Mode one of them is fixed and the other is rotating If not isReadOnly the dial can be rotated by dragging the mouse or using keyboard inputs see keyPressEvent A dial might be wrapping what means a rotation below above one l
228. en mapping a value into a color it is translated into this interval If mode FixedColors the color is calculated from the next lower color stop If mode ScaledColors the color is calculated by interpolating the colors of the adjacent stops 12 33 2 Member Enumeration Documentation 12 33 2 1 enum QwtLinearColorMap Mode Mode of color map See also setMode mode 12 33 3 Constructor amp Destructor Documentation 12 33 3 1 QwtLinearColorMap QwtLinearColorMap QwtColorMap Format format QwtColorMap RGB Build a color map with two stops at 0 0 and 1 0 The color at 0 0 is Qt blue at 1 0 it is Qt yellow Parameters format Preferred format of the color map Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 33 QwtLinearColorMap Class Reference 156 12 33 3 2 QwtLinearColorMap QwtLinearColorMap const QColor amp color1 const QColor amp color2 QwtColorMap Format format QwtColorMap RGB Build a color map with two stops at 0 0 and 1 0 Parameters color Color used for the minimum value of the value interval color2 Color used for the maximum value of the value interval format Preferred format of the coor map 12 33 3 3 QwtLinearColorMap QwtLinearColorMap const QwtLinearColorMap amp other Copy constructor 12 33 3 4 QwtLinearColorMap QwtLinearColorMap virtual Destructor 12 33 4 Member Function Documentation 12 33 4 1 void QwtLinearColorMap addC
229. enableXMin 12 53 3 17 const QwtScaleDiv amp QwtPlotGrid xScaleDiv const Returns the scale division of the x axis 12 53 3 18 bool QwtPlotGrid yEnabled const Returns true if horizontal gridlines are enabled See also enable Y 12 53 3 19 bool QwtPlotGrid yMinEnabled const Returns true if minor horizontal gridlines are enabled See also enable Y Min 12 53 3 20 const QwtScaleDiv amp QwtPlotGrid yScaleDiv const Returns the scale division of the y axis Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 54 QwtPlotltem Class Reference 265 12 54 QwtPlotItem Class Reference Base class for items on the plot canvas include lt qwt_plot_item h gt Inheritance diagram for QwtPlotltem QwtLegendltemManager QwtPlotltem QwtPlotSpectrogram Public Types e enum RttiValues Rtti_PlotItem 0 Rtti_PlotGrid Rtti_PlotScale Rtti_PlotMarker Rtti_PlotCurve Rtti_PlotHistogram Rtti_PlotSpectrogram Rtti_PlotSVG Rtti_PlotUserItem 1000 enum ItemAttribute Legend 1 AutoScale 2 enum RenderHint Render Antialiased 1 Public Member Functions e QwtPlotItem const QwtText amp title QwtText e virtual QwtPlotItem e void attach QwtPlot xplot e void detach e QwtPlot plot const e void setTitle const QString amp title Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide
230. ent widgetMouseReleaseEvent widgetMouseDoubleClick Event widgetMouseMoveEvent widgetWheelEvent widgetKeyPressEvent stateMachine 12 41 4 46 void QwtPicker widgetLeaveEvent QEvent x protected virtual Handle a leave event for the observed widget See also eventFilter widgetMousePressEvent widgetMouseReleaseEvent widgetMouseDoubleClick Event widgetWheelEvent widgetKeyPressEvent widgetKeyReleaseEvent Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 202 12 41 4 47 void QwtPicker widgetMouseDoubleClickEvent QMouseE vent x me protected virtual Handle mouse double click event for the observed widget Empty implementation does nothing See also eventFilter widgetMousePressEvent widgetMouseReleaseEvent widgetMouseMoveEvent widgetWheelEvent widgetKeyPressEvent widgetKeyReleaseEvent 12 41 4 48 void QwtPicker widgetMouseMoveEvent QMouseEvent x e protected virtual Handle a mouse move event for the observed widget Move the last point of the selection in case of isActive true See also eventFilter widgetMousePressEvent widgetMouseReleaseEvent widgetMouseDoubleClick Event widgetWheelEvent widgetKeyPressEvent widgetKeyReleaseEvent 12 41 4 49 void QwtPicker widgetMousePressEvent QMouseEvent x e protected virtual Handle a mouse press event for the observed widget Begin
231. ented for the format of the text MinimumLayout has no effect Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 83 QwtText Class Reference 419 12 83 2 2 enum QwtText PaintAttribute Paint Attributes Font and color and background are optional attributes of a QwtText The paint attributes hold the informa tion if they are set e PaintUsingTextFont The text has an individual font e PaintUsingTextColor The text has an individual color e PaintBackground The text has an individual background 12 83 2 3 enum QwtText TextFormat Text format The text format defines the QwtTextEngine that is used to render the text AutoText The text format is determined using QwtTextEngine mightRender for all available text engines in increasing order gt PlainText If none of the text engines can render the text is rendered like PlainText PlainText Draw the text as it is using a QwtPlainTextEngine RichText Use the Scribe framework Qt Rich Text to render the text MathMLText Use a MathML http en wikipedia org wiki MathML render engine to display the text The Qwt MathML extension offers such an engine based on the MathML renderer of the Qt solutions package Unfortunately it is only available for owners of a commercial Qt license TeXText Use a TeX http en wikipedia org wiki TeX render engine to display the text OtherFormat The number of text formats can be extended usin
232. ents QPainter x painter const QPoint amp center int radius const protected virtual Draw the contents of the scale Parameters painter Painter center Center of the content circle radius Radius of the content circle Reimplemented from QwtDial Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 12 QwtCompass Class Reference 62 12 12 3 3 void QwtCompass keyPressEvent QKeyEvent x kev protected virtual Handles key events Beside the keys described in QwtDial keyPressEvent numbers from 1 9 without 5 set the direction ac cording to their position on the num pad See also isReadOnly Reimplemented from QwtDial 12 12 3 4 QMap lt double QString gt amp QwtCompass labelMap Returns map mapping values to labels See also setLabelMap 12 12 3 5 const QMap lt double QString gt amp QwtCompass labelMap const Returns map mapping values to labels See also setLabelMap 12 12 3 6 QwtCompassRose x QwtCompass rose Returns rose See also setRose Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 12 QwtCompass Class Reference 63 12 12 3 7 const QwtCompassRose QwtCompass rose const Returns rose See also setRose 12 12 3 8 QwtText QwtCompass scaleLabel double value const protected virtual Map a value to a corresponding label Parameters value Value that will be mapped
233. er widgetMouseReleaseEvent widgetMouseMoveEvent 12 40 3 20 void QwtPanner widgetMouseReleaseEvent QMouseEvent me protected virtual Handle a mouse release event for the observed widget Parameters me Mouse event See also eventFilter widgetMousePressEvent widgetMouseMoveEvent 12 41 QwtPicker Class Reference QwtPicker provides selections on a widget include lt qwt_picker h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 185 Inheritance diagram for QwtPicker Public Types enum SelectionType NoSelection 0 PointSelection 1 RectSelection 2 PolygonSelection 4 enum RectSelectionType CornerToCorner 64 CenterToCorner 128 CenterToRadius 256 enum SelectionMode ClickSelection 1024 DragSelection 2048 enum RubberBand NoRubberBand 0 HLineRubberBand VLineRubberBand CrossRubberBand RectRubberBand EllipseRubberBand Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 186 PolygonRubberBand UserRubberBand 100 e enum DisplayMode AlwaysOff AlwaysOn ActiveOnly e enum ResizeMode Stretch KeepSize Signals e void selected const QwtPolygon amp pa e void appended const QPoint amp pos e void moved const QPoint amp pos e void changed const QwtPolygon amp pa Public Me
234. er Function Documentation 12 13 4 1 void QwtCompassMagnetNeedle draw QPainter x painter const QPoint amp center int length double direction QPalette ColorGroup colorGroup QPalette Active const virtual Draw the needle Parameters painter Painter Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 13 QwtCompassMagnetNeedle Class Reference 66 center Center of the dial start position for the needle length Length of the needle direction Direction of the needle in degrees counter clockwise colorGroup Color group used for painting Implements QwtDialNeedle 12 13 4 2 void QwtCompassMagnetNeedle drawPointer QPainter painter const QBrush amp brush int colorOffset const QPoint amp center int length int width double direction static protected Draw a compass needle Parameters painter Painter brush Brush colorOffset Color offset center Center where the needle starts length Length of the needle width Width of the needle direction Direction 12 13 4 3 void QwtCompassMagnetNeedle drawThinNeedle QPainter x painter const QPalette amp palette QPalette ColorGroup colorGroup const QPoint amp center int length double direction static Draw a compass needle Parameters painter Painter palette Palette colorGroup Color group center Center where the needle starts length Length of the needle direction Direction 12 13 4 4 void QwtCompassMagnetNeedle d
235. eration Documentation 2 2200 313 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen CONTENTS ix 12 62 3 Constructor amp Destructor Documentation o o a 313 12 62 4 Member Function Documentation 00002 eee e 314 12 63QwtPlotScaleltem Class Reference e 319 12 63 1 Detailed Description ee ER ee eww ee 320 12 63 2 Constructor amp Destructor Documentation ocios sara Be 320 12 63 3 Member Function Documentation ee es 321 12 64QwtPlotSpectrogram Class Reference o a 325 12 64 1 Detailed Description lt icss css s e e 327 12 64 2 Member Enumeration Documentation e 327 12 64 3 Constructor amp Destructor Documentation coo e lt lt lt 327 12 64 4 Member Function Documentation e 328 12 650 wtPlotsygltem Class Reference 6 04 censos eb RR 334 12 651 Detaled Description lt o sa ee PS bw eee a A CR ew 335 12 65 2 Constructor amp Destructor Documentation o o a 335 12 65 3 Member Function Documentation e e 335 12 66QwtPlotZoomer Class Reference gt 2 a c eR ESR EER a eH ESS 337 1206 Detaled Deserpuen e cta rra eRe RRA 338 12 66 2 Constructor amp Destructor Documentation o 339 12 66 3 Member Function Documentation e e 340 12 67 QOwiPoly gen Da
236. ers xAxis Set the x axis of the picker Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 59 QwtPlotPicker Class Reference 299 yAxis Set the y axis of the picker canvas Plot canvas to observe also the parent object See also QwtPlot autoReplot QwtPlot replotQ QwtPlotPicker scaleRect 12 59 2 4 QwtPlotPicker QwtPlotPicker int xAxis int yAxis int selectionFlags RubberBand rubberBand DisplayMode trackerMode QwtPlotCanvas canvas explicit Create a plot picker Parameters xAxis X axis of the picker yAxis Y axis of the picker selectionFlags Or d value of SelectionType RectSelectionType and SelectionMode rubberBand Rubberband style trackerMode Tracker mode canvas Plot canvas to observe also the parent object See also QwtPicker QwtPicker setSelectionFlags QwtPicker setRubberBand Qwt Picker setTrackerMode QwtPlot autoReplot QwtPlot replotO QwtPlotPicker scaleRect 12 59 3 Member Function Documentation 12 59 3 1 void QwtPlotPicker append const QPoint amp pos protected virtual Append a point to the selection and update rubberband and tracker Parameters pos Additional point See also isActive begin endO move appended Note The appended const QPoint amp appended const QDoublePoint amp signals are emitted Reimplemented from QwtPicker 12 59 3 2 void QwtPlotPicker appended const QwtDoublePoint amp pos signal
237. erval limit upperBound Second interval limit ticks List of major medium and minor ticks Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 72 QwtScaleDiv Class Reference 362 12 72 4 Member Function Documentation 12 72 4 1 bool QwtScaleDiv contains double value const Return if a value is between lowerBound and upperBound Parameters value Value Returns true false 12 72 4 2 QwtDoubleInterval QwtScaleDiv interval const inline Returns lowerBound gt upperBound 12 72 4 3 void QwtScaleDiv invalidate Invalidate the scale division 12 72 4 4 void QwtScaleDiv invert Invert the scale divison 12 72 4 5 bool QwtScaleDiv isValid const Check if the scale division is valid 12 72 4 6 double QwtScaleDiv lowerBound const inline Returns lower bound See also upperBound Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 72 QwtScaleDiv Class Reference 363 12 72 4 7 int QwtScaleDiv operator const QwtScaleDiv amp s const Inequality Returns true if this instance is not equal to s 12 72 4 8 int QwtScaleDiv operator const QwtScaleDiv amp other const Equality operator Returns true if this instance is equal to other 12 72 4 9 double QwtScaleDiv range const inline Returns upperBound lowerBound 12 72 4 10 void QwtScaleDiv setInterval const QwtDoubleInterval amp interva
238. ervalSize interval size Returns 0 if equal 1 if value2 gt valuel 1 if valuel gt value2 12 71 2 4 double QwtScaleArithmetic divideEps double intervalSize double numSteps static Divide an interval into steps stepSize intervalSize intervalSize 10e numSteps Parameters intervalSize Interval size numSteps Number of steps Returns Step size 12 71 2 5 double QwtScaleArithmetic floor125 doublex static Find the largest value out of 1 2 5 10 n with an integer number n which is smaller than or equal to x Parameters x Input value Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 72 QwtScaleDiv Class Reference 360 12 71 2 6 double QwtScaleArithmetic floorEps double value double intervalSize static Floor a value relative to an interval Parameters value Value to floor intervalSize Interval size See also floorEps 12 72 QwtScaleDiv Class Reference A class representing a scale division include lt qwt_scale_div h gt Public Types e enum TickType NoTick 1 MinorTick MediumTick MajorTick NTickTypes Public Member Functions e QwtScaleDiv e QwtScaleDiv const QwtDoubleInterval amp QwtValueList NTickTypes e QwtScaleDiv double lowerBound double upperBound QwtValueList NTickTypes int operator const QwtScaleDiv amp s const int operator const QwtScaleDiv amp s const void setInterval double
239. et borders See also setMinBorderDist getBorderDistHint 12 77 3 8 void QwtScaleWidget layoutScale bool update true protected Recalculate the scale s geometry and layout based on 12 77 3 9 int QwtScaleWidget margin const Returns margin See also setMargin 12 77 3 10 QSize QwtScaleWidget minimumSizeHint const virtual Returns a minimum size hint Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 77 QwtScaleWidget Class Reference 389 12 77 3 11 void QwtScaleWidget paintEvent QPaintEvent xe protected virtual paintEvent 12 77 3 12 int QwtScaleWidget penWidth const Returns Scale pen width See also setPenWidth 12 77 3 13 void QwtScale Widget resizeEvent QResizeEvent xe protected virtual resizeEvent 12 77 3 14 void QwtScaleWidget scaleChange protected Notify a change of the scale This virtual function can be overloaded by derived classes The default implementation updates the geom etry and repaints the widget 12 77 3 15 void QwtScaleWidget scaleDivChanged signal Signal emitted whenever the scale divison changes 12 77 3 16 QwtScaleDraw QwtScaleWidget scaleDraw scaleDraw of this scale See also QwtScaleDraw setScaleDraw 12 77 3 17 const QwtScaleDraw QwtScaleWidget scaleDraw const scaleDraw of this scale See also setScaleDraw QwtScaleDraw setScaleDraw Generated o
240. etLineWidth frameShadow lineWidth Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 20 QwtDial Class Reference 92 12 20 4 16 double QwtDial maxScaleArc const Returns Upper limit of the scale arc 12 20 4 17 QSize QwtDial minimumSizeHint const virtual Return a minimum size hint Warning The return value of QwtDial minimumSizeHint depends on the font and the scale 12 20 4 18 double QwtDial minScaleArc const Returns Lower limit of the scale arc 12 20 4 19 QwtDial Mode QwtDial mode const Returns mode of the dial The value of the dial is indicated by the difference between the origin and the direction of the needle In case of QwtDial RotateNeedle the scale arc is fixed to the origin and the needle is rotating in case of QwtDial RotateScale the needle points to origin and the scale is rotating The default mode is QwtDial RotateNeedle See also setMode origin setScaleArc value 12 20 4 20 QwtDialNeedle x QwtDial needle Returns needle See also setNeedle Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 20 QwtDial Class Reference 93 12 20 4 21 const QwtDialNeedle QwtDial needle const Returns needle See also setNeedle 12 20 4 22 double QwtDial origin const The origin is the angle where scale and needle is relative to Returns Origin of the dial See a
241. eturns true if text begins with lt math gt Implements QwtTextEngine 12 37 3 4 void QwtMathMLTextEngine textMargins const QFont amp const QString int amp left int amp right int amp top int amp bottom const virtual Return margins around the texts Parameters left Return 0 right Return 0 top Return 0 bottom Return 0 Implements QwtTextEngine 12 37 3 5 QSize QwtMathMLTextEngine textSize const QFont amp font int flags const QString amp text const virtual Returns the size that is needed to render text Parameters font Font of the text flags Bitwise OR of the flags used like in QPainter drawText text Text to be rendered Returns Caluclated size Implements QwtTextEngine Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 38 QwtMetricsMap Class Reference 173 12 38 QwtMetricsMap Class Reference A Map to translate between layout screen and paint device metrics include lt qwt_layout_metrics h gt Public Member Functions bool isIdentity const void setMetrics const QPaintDevice layoutMetrics const QPaintDevice deviceMetrics int layoutToDeviceX int x const int deviceToLayoutX int x const int screenToLayoutX int x const int layoutToScreenX int x const int layoutToDeviceY int y const int device ToLayoutY int y const int screenToLayoutY int y const int layoutToScreenY int y const QPoint layoutToDevice con
242. etween intensities and colors as an additional plot axis showing a color bar Parameters colorMap Color Map See also colorMap QwtScaleWidget setColorBarEnabled QwtScale Widget setColorMap 12 64 4 15 void QwtPlotSpectrogram setConrecAttribute QwtRasterData ConrecAttribute attribute bool on Modify an attribute of the CONREC algorithm used to calculate the contour lines Parameters attribute CONREC attribute on On Off See also testConrecAttribute renderContourLines QwtRasterData contourLines 12 64 4 16 void QwtPlotSpectrogram setContourLevels const QwtValueList levels Set the levels of the contour lines Parameters levels Values of the contour levels See also contourLevels renderContourLines QwtRasterData contourLines Note contourLevels returns the same levels but sorted Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 64 QwtPlotSpectrogram Class Reference 333 12 64 4 17 void QwtPlotSpectrogram setData const QwtRasterData amp data Set the data to be displayed Parameters data Spectrogram Data See also data 12 64 4 18 void QwtPlotSpectrogram setDefaultContourPen const QPen amp pen Set the default pen for the contour lines If the spectrogram has a valid default contour pen a contour line is painted using the default contour pen Otherwise pen style Qt NoPen the pen is calculated for each contour level usin
243. ey event See also eventFilter widgetKeyReleaseEvent Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 36 QwtMagnifier Class Reference 169 12 36 3 22 void QwtMagnifier widgetKeyReleaseEvent QKeyEvent protected virtual Handle a key release event for the observed widget Parameters ke Key event See also eventFilter widgetKeyReleaseEvent 12 36 3 23 void QwtMagnifier widgetMouseMoveEvent QMouseEvent me protected virtual Handle a mouse move event for the observed widget Parameters me Mouse event See also eventFilter widgetMousePressEvent widgetMouseReleaseEvent 12 36 3 24 void QwtMagnifier widgetMousePressEvent QMouseEvent me protected virtual Handle a mouse press event for the observed widget Parameters me Mouse event See also eventFilter widgetMouseReleaseEvent wdgetMouseMoveEvent 12 36 3 25 void QwtMagnifier widgetMouseReleaseEvent QMouseEvent protected virtual Handle a mouse release event for the observed widget See also eventFilter widgetMousePressEvent widgetMouseMoveEvent Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 37 QwtMathMLTextEngine Class Reference 170 12 36 3 26 void QwtMagnifier widgetWheelEvent QWheelEvent we protected virtual Handle a wheel event for the observed widget Parameters we Wheel event See also eventF
244. fferent display styles interpolation f e spline and symbols Usage a Assign curve properties When a curve is created it is configured to draw black solid lines with in Lines style and no symbols You can change this by calling setPen setStyle and setSymbol b Connect Assign data QwtPlotCurve gets its points using a QwtData object offering a bridge to the real storage of the points like QAbstractItemModel There are several convenience classes derived from QwtData that also store the points inside like QStandardItemModel Qwt PlotCurve also offers a couple of variations of setData that build QwtData objects from arrays internally c Attach the curve to a plot See QwtPlotltem attach Example see examples bode See also QwtPlot QwtData QwtSymbol QwtScaleMap 12 51 2 Member Enumeration Documentation 12 51 2 1 enum QwtPlotCurve CurveA ttribute Attribute for drawing the curve e Fitted in combination with the Lines QwtPlotCurve CurveStyle only A QwtCurveFitter tries to interpolate smooth the curve before it is painted Note that curve fitting requires temorary memory for calculating coefficients and additional points If painting in Fitted mode is slow it might be better to fit the points before they are passed to QwtPlotCurve Inverted For Steps only Draws a step function from the right to the left See also setCurveAttribute testCurveAttribute curveFitter Generated on
245. for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 222 12 49 4 23 int QwtPlot canvasLineWidth const Nothing else than canvas gt lineWidth left for compatibility only Returns the border width of the plotting area 12 49 4 24 QwtScaleMap QwtPlot canvasMap int axisId const virtual Parameters axisId Axis Returns Map for the axis on the canvas With this map pixel coordinates can translated to plot coordinates and vice versa See also QwtScaleMap transform invTransform 12 49 4 25 void QwtPlot clear virtual slot Remove all curves and markers Deprecated Use QwtPlotDeict detachItems instead 12 49 4 26 void QwtPlot drawCanvas QPainter x painter virtual Redraw the canvas Parameters painter Painter used for drawing Warning drawCanvas calls drawItems what is also used for printing Applications that like to add individual plot items better overload drawItems See also drawltems Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 223 12 49 4 27 void QwtPlot drawlItems Q Painter x painter const QRect amp rect const QwtScaleMap map axisCnt const QwtPlotPrintFilter amp pfilter const protected virtual Redraw the canvas items Parameters painter Painter used for drawing rect Bounding rectangle where to paint map QwtPlot axisCnt maps mapping between plot and paint device coordinates
246. g amp title Change the title of a specified axis Parameters axisId axis index title axis title 12 49 4 66 void QwtPlot setCanvasBackground const QColor amp c Change the background of the plotting area Sets c to QColorGroup Background of all colorgroups of the palette of the canvas gt setPalette is a more powerful way to set these colors Parameters c new background color Using canvas Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 233 12 49 4 67 void QwtPlot setCanvasLineWidth int w Change the border width of the plotting area Nothing else than canvas gt setLineWidth w left for com patibility only Parameters w new border width 12 49 4 68 void QwtPlot setMargin int margin Change the margin of the plot The margin is the space around all components Parameters margin new margin See also QwtPlotLayout setMargin margin plotLayout 12 49 4 69 void QwtPlot setTitle const QwtText amp title Change the plot s title Parameters title New title 12 49 4 70 void QwtPlot setTitle const QString amp title Change the plot s title Parameters title New title 12 49 4 71 QSize QwtPlot sizeHint const virtual Return sizeHint See also minimumSizeHint 12 49 4 72 QwtText QwtPlot title const Returns the plot s title Generated on Sun Apr 11 11 55 09 2010 for Qwt User
247. g contourPen See also defaultContourPen contourPen 12 64 4 19 void QwtPlotSpectrogram setDisplayMode DisplayMode mode bool on true The display mode controls how the raster data will be represented Parameters mode Display mode on On Off The default setting enables ImageMode See also DisplayMode displayMode 12 64 4 20 bool QwtPlotSpectrogram testConrecAttribute QwtRasterData ConrecA ttribute attribute const Test an attribute of the CONREC algorithm used to calculate the contour lines Parameters attribute CONREC attribute Returns true is enabled See also setConrecAttribute renderContourLines QwtRasterData contourLines Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 65 QwtPlotSvgltem Class Reference 334 12 64 4 21 bool QwtPlotSpectrogram testDisplayMode DisplayMode mode const The display mode controls how the raster data will be represented Parameters mode Display mode Returns true if mode is enabled 12 65 QwtPlotSvgltem Class Reference A plot item which displays data in Scalable Vector Graphics SVG format include lt qwt_plot_svgitem h gt Inheritance diagram for QwtPlotSvgltem QwtLegendltemManager QwtPlotltem QwtPlotSvgltem Public Member Functions e QwtPlotSvgltem const QString amp title QString null e QwtPlotSvgltem const QwtText amp title virtual QwtPlotSvgltem bool loadFile co
248. g setTextEngine Formats gt OtherFormat are not used by Qwt See also QwtTextEngine setTextEngine Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 83 QwtText Class Reference 420 12 83 3 Constructor amp Destructor Documentation 12 83 3 1 QwtText QwtText const QString amp text QString nul1 QwtText TextFormat textFormat AutoText Constructor Parameters text Text content textFormat Text format 12 83 3 2 QwtText QwtText const QwtText amp other Copy constructor 12 83 3 3 QwtText QwtText Destructor 12 83 4 Member Function Documentation 12 83 4 1 QBrush QwtText backgroundBrush const Returns Background brush See also setBackgroundBrush backgroundPen 12 83 42 QPen QwtText backgroundPen const Returns Background pen See also setBackgroundPen backgroundBrush Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 83 QwtText Class Reference 421 12 83 4 3 QColor QwtText color const Return the pen color used for painting the text 12 83 4 4 void QwtText draw QPainter x painter const QRect amp rect const Draw a text into a rectangle Parameters painter Painter rect Rectangle 12 83 4 5 QFont QwtText font const Return the font 12 83 4 6 int QwtText heightForWidth int width const QFont amp defaultFont QFont const Find the height for a given width
249. h NoBrush and style QwtPlotCurve Sticks the area between the curve and the baseline will be filled In case brush color isValid the area will be filled by pen color The fill algorithm simply connects the first and the last curve point to the baseline So the curve data has to be sorted ascending or descending Parameters brush New brush See also brush setBaseline baseline 12 51 4 30 void QwtPlotCurve setCurveAttribute CurveAttribute attribute bool on true Specify an attribute for drawing the curve Parameters attribute Curve attribute on On Off sa CurveAttribute testCurveAttribute setCurveFitter 12 51 4 31 void QwtPlotCurve setCurveFitter QwtCurveFitter curveFitter Assign a curve fitter setCurveFitter NULL disables curve fitting Parameters curveFitter Curve fitter 12 51 4 32 void QwtPlotCurve setCurveType CurveType curveType Assign the curve type Parameters curveType Yfx or Xfy See also CurveType curveType Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 253 12 51 4 33 void QwtPlotCurve setData const QwtData amp data Initialize data with a pointer to QwtData Parameters data Data See also QwtData copy 12 51 4 34 void QwtPlotCurve setData const QPolygonF amp data Initialize data with an array of points explicitly shared Parameters data Data Note Internall
250. his signal is emitted when the counter s value has changed Parameters value The new value Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 17 QwtCPointerData Class Reference 78 12 16 4 28 void QwtCounter wheelEvent QWheelEvent xe protected virtual Handle wheel events Parameters e Wheel event 12 17 QwtCPointerData Class Reference Data class containing two pointers to memory blocks of doubles include lt qwt_data h gt Inheritance diagram for QwtCPointerData QwtData QwtCPointerData Public Member Functions e QwtCPointerData const double x const double y size_t size e QwtCPointerData amp operator const QwtCPointerData amp virtual QwtData copy const virtual size_t size const virtual double x size_t 1 const virtual double y size_t i const const double x xData const const double x yData const virtual QwtDoubleRect boundingRect const 12 17 1 Detailed Description Data class containing two pointers to memory blocks of doubles 12 17 2 Constructor amp Destructor Documentation 12 17 2 1 QwtCPointerData QwtCPointerData const double x const double y size_t size Constructor Parameters x Array of x values Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 17 QwtCPointerData Class Reference 79 y Array of y values size Size of the x and y arrays Warning The programmer must a
251. ication does not supply it the square root function must still compute square roots These requirements apply to the modified work as a whole If identifiable sections of that work are not derived from the Library and can be reasonably considered independent and separate works in themselves then this License and its terms do not apply to those sections when you distribute them as separate works But when you distribute the same sections as part of a whole which is a work based on the Library the distribution of the whole must be on the terms of this License whose permissions for other licensees extend to the entire whole and thus to each and every part regardless of who wrote it Thus it is not the intent of this section to claim rights or contest your rights to work written entirely by you rather the intent is to exercise the right to control the distribution of derivative or collective works based on the Library In addition mere aggregation of another work not based on the Library with the Library or with a work based on the Library on a volume of a storage or distribution medium does not bring the other work under the scope of this License 3 You may opt to apply the terms of the ordinary GNU General Public License instead of this License to a given copy of the Library To do this you must alter all the notices that refer to this License so that they refer to the ordinary GNU General Public License version 2 inst
252. id 261 QwtScaleDraw 367 fillBrush QwtThermo 437 fillColor QwtThermo 437 fillCurve QwtPlotCurve 250 fillRect QwtPainter 177 find QwtLegend 142 fitCurve QwtCurveFitter 81 QwtSplineCurveFitter 410 fitMode QwtSplineCurveFitter 410 fit Value Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 457 QwtAbstractSlider 36 QwtDoubleRange 114 floor125 QwtScaleArithmetic 359 floorEps QwtScaleArithmetic 359 FocusIndicator QwtPlotCanvas 236 focusIndicator QwtPlotCanvas 237 font QwtPlotPrintFilter 306 QwtPlotScalelItem 321 QwtText 421 fontChange QwtSlider 400 QwtThermo 437 Format QwtColorMap 57 format QwtColorMap 59 frameShadow QwtDial 90 getAbortKey QwtPanner 180 getBorderDistHint QwtScaleDraw 368 QwtScaleWidget 387 getMinBorderDist QwtScaleWidget 388 getMouseButton QwtMagnifier 164 QwtPanner 181 getScrollMode QwtAbstractSlider 36 QwtDial 90 QwtSlider 400 QwtWheel 446 getValue QwtAbstractSlider 37 QwtDial 90 QwtSlider 400 QwtWheel 446 getZoomInKey QwtMagnifier 164 getZoomOutKey QwtMagnifier 164 grabProperties QwtPlot 223 Hand QwtAnalogClock 47 hand QwtAnalogClock 48 hasComponent QwtAbstractScaleDraw 30 hasHeightForWidth QwtDynGridLayout 120 hasVisibleBackground QwtDial 90 heightForWidth QwtDynGridLayout 121 QwtLegend 142 QwtMathMLTextEngine 171 QwtPlainTextEngine 210 QwtRichTextEngine 352 QwtTe
253. ider setMargins int xMargin int yMargin Set distances between the widget s border and internals Parameters xMargin Horizontal margin yMargin Vertical margin 12 79 4 21 void QwtSlider setOrientation Qt Orientation o virtual Set the orientation Parameters o Orientation Allowed values are Qt Horizontal and Qt Vertical If the new orientation and the old scale position are an invalid combination the scale position will be set to QwitSlider NoScale See also QwtAbstractS lider orientation Reimplemented from QwtAbstractSlider 12 79 4 22 void QwtSlider setScaleDraw QwtScaleDraw scaleDraw Set a scale draw For changing the labels of the scales it is necessary to derive from QwtScaleDraw and overload QwtScale Draw label Parameters scaleDraw ScaleDraw object that has to be created with new and will be deleted in QwtSlider or the next call of setScaleDraw 12 79 4 23 void QwtSlider setScalePosition ScalePos s Change the scale position and slider orientation Parameters s Position of the scale A valid combination of scale position and orientation is enforced Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 79 QwtSlider Class Reference 404 e if the new scale position is Left or Right the scale orientation will become Qt Vertical e if the new scale position is Bottom or Top the scale orientation will become Qt Horizontal e if
254. idget 12 85 2 2 QwtTextLabel QwtTextLabel const QwtText amp text QWidget x parent NULL explicit Constructs a label that displays the text text Parameters parent Parent widget text Text 12 85 2 3 QwtTextLabel QwtTextLabel Q virtual Destructor 12 85 3 Member Function Documentation 12 85 3 1 void QwtTextLabel clear slot Clear the text and all QwtText attributes 12 85 3 2 void QwtTextLabel drawContents QPainter x painter protected virtual Redraw the text and focus indicator 12 85 3 3 void QwtTextLabel drawText QPainter x painter const QRect amp textRect protected virtual Redraw the text Reimplemented in QwtLegendItem Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 85 QwtTextLabel Class Reference 432 12 85 3 4 int QwtTextLabel heightFor Width int width const virtual Returns the preferred height for this widget given the width Parameters width Width 12 85 3 5 int QwtTextLabel indent const Return label s text indent in pixels 12 85 3 6 int QwtTextLabel margin const Return label s text indent in pixels 12 85 3 7 QSize QwtTextLabel minimumSizeHint const virtual Return a minimum size hint 12 85 3 8 void QwtTextLabel paintEvent QPaintEvent x event Parameters event Paint event Reimplemented in QwtLegendItem 12 85 3 9 void QwtTextLabel setIndent int indent Parameters inden
255. idth const 12 22 1 Detailed Description A special scale draw made for QwtDial See also QwtDial QwtCompass 12 22 2 Constructor amp Destructor Documentation 12 22 2 1 QwtDialScaleDraw QwtDialScaleDraw QwtDial x parent explicit Constructor Parameters parent Parent dial widget 12 22 3 Member Function Documentation 12 22 3 1 QwtText QwtDialScaleDraw label double value const virtual Call QwtDial scaleLabel of the parent dial widget Parameters value Value to display Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 23 QwtDialSimpleNeedle Class Reference 102 See also QwtDial scaleLabel Reimplemented from QwtAbstractScaleDraw 12 22 3 2 uint QwtDialScaleDraw penWidth const Returns Pen width used for painting the scale See also setPenWidth QwtDial drawScale 12 22 33 void QwtDialScaleDraw setPenWidth uint pen Width Set the pen width used for painting the scale Parameters pen Width Pen width See also penWidthO QwtDial drawScale 12 23 QwtDialSimpleNeedle Class Reference A needle for dial widgets include lt qwt_dial_needle h gt Inheritance diagram for QwtDialSimpleNeedle QwtDialNeedle QwtDialSimpleNeedle Public Types e enum Style Arrow Ray Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 23 QwtDialSimpleNeedle Class Reference 103 Public Member Functions e Q
256. ignment alignment Change the alignment of the tick labels Parameters axisId axis index alignment Or d Qt AlignmentFlags lt see qnamespace h gt See also QwtScaleDraw setLabelAlignment 12 49 4 57 void QwtPlot setAxisLabelRotation int axisId double rotation Rotate all tick labels Parameters axisId axis index rotation Angle in degrees When changing the label rotation the label alignment might be adjusted too See also QwtScaleDraw setLabelRotation setAxisLabelAlignment 12 49 4 58 void QwtPlot setAxisMaxMajor int axisId int maxMajor Set the maximum number of major scale intervals for a specified axis Parameters axisId axis index maxMajor maximum number of major steps See also axisMaxMajor 12 49 4 59 void QwtPlot setAxisMaxMinor int axisId int maxMinor Set the maximum number of minor scale intervals for a specified axis Parameters axisId axis index maxMinor maximum number of minor steps See also axisMaxMinor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 231 12 49 4 60 void QwtPlot setAxisScale int axisId double min double max double stepSize 0 Disable autoscaling and specify a fixed scale for a selected axis Parameters axisId axis index min max minimum and maximum of the scale stepSize Major step size If step 0 the step size is calculated automatically using the maxMajor setting
257. ilter 12 37 QwtMathMLTextEngine Class Reference Text Engine for the MathML renderer of the Qt solutions package include lt qwt_mathml_text_engine h gt Inheritance diagram for QwtMathMLTextEngine QwtTextEngine QwtMathMLTextEngine Public Member Functions e QwtMathMLTextEngine virtual QwtMathMLTextEngine virtual int heightForWidth const QFont amp font int flags const QString amp text int width const virtual QSize textSize const QFont amp font int flags const QString amp text const virtual void draw QPainter painter const QRect amp rect int flags const QString amp text const virtual bool mightRender const QString amp const virtual void textMargins const QFont amp const QString amp int amp left int amp right int amp top int amp bot tom const 12 37 1 Detailed Description Text Engine for the MathML renderer of the Qt solutions pack age The Qt Solution package includes a renderer for MathML http www trolltech com products qt addon solutions catalog 4 Widgets qtmmlwidget that is available for owners of a commercial Qt license You need a version gt 2 1 that is only available for Qt4 To enable MathML support the following code needs to be added to the application Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 37 QwtMathMLTextEngine Class Reference 171 include lt qwt_mathml_text_engine h gt Qwt Text setTextEngine Qwt
258. imit continues on the other limit f e compass The scale might cover any arc of the dial its values are related to the origin of the dial Qwt is missing a set of good looking needles QwtDialNeedle Contributions are very welcome See also QwtCompass QwtAnalogClock QwtDialNeedle Note The examples dials example shows different types of dials 12 20 2 Member Enumeration Documentation 12 20 2 1 enum QwtDial Direction Direction of the dial Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 20 QwtDial Class Reference 87 12 20 2 2 enum QwtDial Mode In case of RotateNeedle the needle is rotating in case of RotateScale the needle points to origin and the scale is rotating 12 20 2 3 enum QwtDial ScaleOptions see QwtDial setScaleOptions 12 20 2 4 enum QwtDial Shadow Frame shadow Unfortunately it is not possible to use QFrame Shadow as a property of a widget that is not derived from QFrame The following enum is made for the designer only It is safe to use QFrame Shadow instead 12 20 3 Constructor amp Destructor Documentation 12 20 3 1 QwtDial QwtDial QWidget x parent NULL explicit Constructor Parameters parent Parent widget Create a dial widget with no scale and no needle The default origin is 90 0 with no valid value It accepts mouse and keyboard inputs and has no step size The default mode is QwtDial RotateNeedle 12 20 3 2 QwtDial QwtDial
259. in is allowed e Tf the step size is left out or set to zero it will be set to 1 100 of the interval length e If the step size has an absurd value it will be corrected to a better one 12 25 3 15 void QwtDoubleRange setStep double vstep Change the step raster Parameters vstep new step width Warning The value will not be adjusted to the new step raster Reimplemented in QwtCounter 12 25 3 16 void QwtDoubleRange setValid bool is Valid Set the value to be valid invalid Reimplemented in QwtAbstractSlider 12 25 3 17 void QwtDoubleRange setValue double x virtual Set a new value without adjusting to the step raster Parameters x new value Warning The value is clipped when it lies outside the range When the range is QwtDoubleRange periodic it will be mapped to a point in the interval such that new value x n max value min value with an integer number n Reimplemented in QwtAbstractSlider and QwtCounter Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 26 QwtDynGridLayout Class Reference 118 12 25 3 18 double QwtDoubleRange step const Returns the step size See also setStep setRange Reimplemented in QwtCounter 12 25 3 19 void QwtDoubleRange stepChange protected virtual Notify a change of the step size This virtual function is called whenever the step size changes The default implementation does nothing 12 25
260. ine brush Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 244 12 51 2 4 enum QwtPlotCurve PaintAttribute Attributes to modify the drawing algorithm e PaintFiltered Tries to reduce the data that has to be painted by sorting out duplicates or paintings outside the visible area Might have a notable impact on curves with many close points Only a couple of very basic filtering algos are implemented e ClipPolygons Clip polygons before painting them In situations where points are far outside the visible area f e when zooming deep this might be a substantial improvement for the painting performance especially on Windows The default is that no paint attributes are enabled See also setPaintAttribute testPaintAttribute 12 51 3 Constructor amp Destructor Documentation 12 51 3 1 QwtPlotCurve QwtPlotCurve explicit Constructor 12 51 3 2 QwtPlotCurve QwtPlotCurve const QwtText amp title explicit Constructor Parameters title Title of the curve 12 51 3 3 QwtPlotCurve QwtPlotCurve const QString amp title explicit Constructor Parameters title Title of the curve 12 51 3 4 QwtPlotCurve QwtPlotCurve virtual Destructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 245 12 51 4 Member Function Documentation 12 51 4 1 double QwtPlotCurve
261. ine for polygon selections include lt qwt_picker_machine h gt Inheritance diagram for QwtPickerPolygonMachine QwiPickerMachine QwtPickerPolygonMachine Public Member Functions e virtual CommandList transition const QwtEventPattern amp const QEvent Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 48 QwtPlainTextEngine Class Reference 209 12 47 1 Detailed Description A state machine for polygon selections Pressing QwtEventPattern MouseSelectl or QwtEventPat tern KeySelectl starts the selection and selects the first point or appends a point Pressing QwtEventPat tern MouseSelect2 or QwtEventPattern KeySelect2 appends the last point and terminates the selection See also QwtEventPattern MousePatternCode QwtEventPattern KeyPatternCode 12 47 2 Member Function Documentation 12 47 2 1 QwtPickerMachine CommandList QwtPickerPolygonMachine transition const QwtEventPattern amp eventPattern const QEvent xe virtual Transition Implements QwtPickerMachine 12 48 QwtPlainTextEngine Class Reference A text engine for plain texts include lt qwt_text_engine h gt Inheritance diagram for QwtPlainTextEngine QwtTextEngine QwtPlainTextEngine Public Member Functions e QwtPlainTextEngine virtual QwtPlainTextEngine virtual int heightForWidth const QFont amp font int flags const QString amp text int width const virtual QSize textSize
262. ine is responsible for calculating the scale division and in case of auto scaling how to align the scale scaleEngine has to be created with new and will be deleted in QwtAbstractScale or the next call of setScaleEngine 12 3 3 17 void QwtAbstractScale setScaleMaxMajor int ticks Set the maximum number of major tick intervals The scale s major ticks are calculated automatically such that the number of major intervals does not exceed ticks The default value is 5 Parameters ticks maximal number of major ticks See also QwtAbstractScaleDraw 12 3 3 18 void QwtAbstractScale setScaleMaxMinor int ficks Set the maximum number of minor tick intervals The scale s minor ticks are calculated automatically such that the number of minor intervals does not exceed ticks The default value is 3 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 4 QwtAbstractScaleDraw Class Reference 27 Parameters ticks See also QwtAbstractScaleDraw 12 4 QwtAbstractScaleDraw Class Reference A abstract base class for drawing scales include lt qwt_abstract_scale_draw h gt Inheritance diagram for QwtAbstractScaleDraw QwtAbstractScaleDraw QwtRoundScaleDraw QwtScaleDraw QwtDialScaleDraw Public Types enum ScaleComponent Backbone 1 Ticks 2 Labels 4 Public Member Functions QwtAbstractScaleDraw QwtAbstractScaleDraw const QwtAbstractScaleDraw amp
263. ing is not finished Parameters dx Offset in horizontal direction dy Offset in vertical direction 12 40 3 8 Qt Orientations QwtPanner orientations const Return the orientation where paning is enabled Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 40 QwtPanner Class Reference 182 12 40 3 9 void QwtPanner paintEvent QPaintEvent pe protected virtual Paint event Repaint the grabbed pixmap on its current position and fill the empty spaces by the background of the parent widget Parameters pe Paint event 12 40 3 10 void QwtPanner panned int dx int dy signal Signal emitted when panning is done Parameters dx Offset in horizontal direction dy Offset in vertical direction 12 40 3 11 void QwtPanner setAbortKey int key int state Qt NoButton Change the abort key The defaults are Qt Key_Escape and Qt NoButton Parameters key Key See Qt Keycode state State 12 40 3 12 void QwtPanner setCursor const QCursor amp cursor Change the cursor that is active while panning The default is the cursor of the parent widget Parameters cursor New cursor See also setCursor 12 40 3 13 void QwtPanner setEnabled bool on En disable the panner When enabled is true an event filter is installed for the observed widget otherwise the event filter is re moved Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 4
264. inline Interval of a sample Parameters i Sample index Returns Interval See also value size 12 28 3 3 void QwtIntervalData setData const QwtArray lt QwtDoubleInterval gt amp intervals const QwtArray lt double gt values Assign samples 12 28 3 4 size_t QwtIntervalData size const inline Returns Number of samples Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 29 QwtKnob Class Reference 134 12 28 3 5 double QwtIntervalData value size_t i const Parameters i Sample index Returns Value See also interval size 12 29 QwtKnob Class Reference The Knob Widget include lt qwt_knob h gt Inheritance diagram for QwtKnob QwtDoubleRange QwtAbstractSlider QwtKnob Public Types e enum Symbol Line Dot Public Member Functions e QwtKnob QWidget parent NULL e virtual QwtKnob e void setKnobWidth int w e int knobWidth const e void setTotalAngle double angle inline QwtAbstractScale Value of a sample Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 29 QwtKnob Class Reference 135 double totalAngle const void setBorderWidth int bw int borderWidth const void setSymbol Symbol Symbol symbol const virtual QSize sizeHint const virtual QSize minimumSizeHint const void setScaleDraw QwtRoundScaleDraw const QwtRoundScaleD
265. int tickCnt const int internalBorder const double mass const void setTotalAngle double angle void setTickCnt int cnt void set ViewAngle double angle Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 87 QwtWheel Class Reference 445 void setInternalBorder int width void setMass double val void setWheelWidth int w virtual QSize sizeHint const virtual QSize minimumSizeHint const Protected Member Functions virtual void resizeEvent QResizeEvent xe virtual void paintEvent QPaintEvent xe void layoutWheel bool update true void draw QPainter const QRect amp void draw Wheel QPainter x const QRect amp void draw WheelBackground QPainter x const QRect amp void setColorArray virtual void valueChange virtual void paletteChange const QPalette amp virtual double getValue const QPoint amp virtual void getScrollMode const QPoint amp int amp scrollMode int amp direction 12 87 1 Detailed Description The Wheel Widget The wheel widget can be used to change values over a very large range in very small steps Using the setMass member it can be configured as a flywheel See also The radio example 12 87 2 Constructor amp Destructor Documentation 12 87 2 1 QwtWheel QwtWheel QWidget x parent NULL explicit Constructor 12 87 2 2 QwtWheel QwtWheel virtual Destructor 12 87 3 Member Function Documentation 1
266. inter p e void layoutThermo bool update true e virtual void scaleChange e virtual void fontChange const QFont amp oldFont e virtual void paintEvent QPaintEvent xe e virtual void resizeEvent QResizeEvent xe e QwtScaleDraw scaleDraw 12 86 1 Detailed Description The Thermometer Widget QwtThermo is a widget which displays a value in an interval It supports e a horizontal or vertical layout e arange e a scale an alarm level By default the scale and range run over the same interval of values QwtAbstractScale setScale changes the interval of the scale and allows easy conversion between physical units The example shows how to make the scale indicate in degrees Fahrenheit and to set the value in degrees Kelvin include lt qapplication h gt include lt qwt_thermo h gt double Kelvin2Fahrenheit double kelvin see http en wikipedia org wiki Kelvin return 1 8 kelvin 459 67 int main int argc char x x argv const double minKelvin 0 0 const double maxKelvin l au o o o Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 86 QwtThermo Class Reference 436 QApplication a argc argv QwtThermo t t setRange minKelvin maxKelvin t setScale Kelvin2Fahrenheit minKelvin Kelvin2Fahrenheit maxKelvin set the value in Kelvin but the scale displays in Fahrenheit 273 15 Kelvin 0 Celsius 32 Fahrenheit t setValue 2
267. invalidate inline Invalidate the interval The limits are set to interval 0 0 1 0 See also isValid 12 24 4 7 QwtDoubleInterval QwtDoublelnterval inverted const Invert the limits of the interval Returns Inverted interval See also normalized Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 24 QwtDoublelnterval Class Reference 109 12 24 4 8 bool QwtDoublelnterval isNull const inline Returns true if isValid amp amp minValue gt max Value 12 24 4 9 bool QwtDoublelInterval is Valid const inline A interval is valid when minValue lt max Value In case of QwtDoubleInterval ExcludeBorders it is true when minValue lt max Value 12 24 4 10 QwtDoubleInterval QwtDoubleInterval limited double lowerBound double upperBound const Limit the interval keeping the border modes Parameters lowerBound Lower limit upperBound Upper limit Returns Limited interval 12 24 4 11 double QwtDoublelnterval maxValue const inline Returns Upper limit of the interval 12 24 4 12 double QwtDoubleInterval minValue const inline Returns Lower limit of the interval 12 24 4 13 QwtDoubleInterval QwtDoubleInterval normalized const Normalize the limits of the interval If max Value lt minValue the limits will be inverted Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 24 QwtDoub
268. ion a 203 12 43QwtPickerClickRectMachine Class Reference eee 204 12431 Detaled Description s lt cas own eee ee See EY AR 204 1243 2 Member Function Documentation eee 204 12 44QwtPickerDragPointMachine Class Reference o oo 204 1244 1 Detailed Description oo oec e cee ene era dada ees 205 12 44 2 Member Function Documentation 2 00002 eee eee 205 12 45 QwiPickerDragRectMachine Class Reference 2 esc ee OS 205 1245 1 Detailed Description s e e sees ew ee ee ee we ee 206 1245 2 Member Function Documentation ee eee 206 12 46QwtPickerMachine Class Reference 0 0 0 eee ee ee ee ee 206 1246 1 Detailed Description AR Aa ee ee 207 12 46 2 Member Enumeration Documentation o 207 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen CONTENTS vii 12 46 3 Constructor amp Destructor Documentation o o 207 12 46 4 Member Function Documentation e e e 208 12 47QwtPickerPolygonMachine Class Reference o 208 12 47 1 Detailed Description lt lt lt 2 ee ee ewe 209 12 47 2 Member Function Documentation 2 000000 e 209 12 48QwtPlamTextEngme Class Reference 2 es cee ee ee 84 209 1248 1 Detailed Description oo nenas da a be ee 210 12 48 2 Constructor amp Des
269. ion is intended to make thoroughly clear what is believed to be a consequence of the rest of this License 12 If the distribution and or use of the Library is restricted in certain countries either by patents or by copyrighted interfaces the original copyright holder who places the Library under this License may add an explicit geographical distribution limitation excluding those countries so that distribution is permitted only in or among countries not thus excluded In such case this License incorporates the limitation as if written in the body of this License 13 The Free Software Foundation may publish revised and or new versions of the Lesser General Public License from time to time Such new versions will be similar in spirit to the present version but may differ in detail to address new problems or concerns Each version is given a distinguishing version number If the Library specifies a version number of this License which applies to it and any later version you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation If the Library does not specify a license version number you may choose any version ever published by the Free Software Foundation 14 If you wish to incorporate parts of the Library into other free programs whose distribution conditions are incompatible with these write to the author to ask for permission For software which
270. irection ExpandingDirection expandingDirection int axis const void setReferenceAxis int axis int referenceAxis const void setAspectRatio double ratio void setAspectRatio int axis double ratio double aspectRatio int axis const void setIntervalHint int axis const QwtDoubleInterval amp QwtDoubleInterval intervalHint int axis const QwtPlotCanvas canvas const QwtPlotCanvas canvas const QwtPlot x plot const QwtPlot x plot const virtual bool eventFilter QObject x QEvent x void rescale const Protected Member Functions virtual void canvasResizeEvent QResizeEvent x virtual void rescale const QSize amp oldSize const QSize amp newSize const virtual QwtDoubleInterval expandScale int axis const QSize amp oldSize const QSize amp newSize const virtual QwtDoubleInterval syncScale int axis const QwtDoubleInterval amp reference const QSize amp size const virtual void updateScales QwtDoublelInterval intervals QwtPlot axisCnt const Qt Orientation orientation int axis const QwtDoublelnterval interval int axis const QwtDoubleInterval expandInterval const QwtDoubleInterval amp double width ExpandingDirec tion const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 62 QwtPlotRescaler Class Reference 313 12 62 1 Detailed Description QwtPlotRescaler takes care of fixed aspect ratios for plot scales QwtPlotRescaler autoadjusts the axes
271. irtual void draw QPainter const QPoint amp int length double direction QPalette ColorGroup QPalette Active const Static Public Member Functions e static void drawTriangleNeedle QPainter x const QPalette amp QPalette ColorGroup const QPoint amp int length double direction e static void drawThinNeedle QPainter x const QPalette amp QPalette ColorGroup const QPoint amp int length double direction Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 13 QwtCompassMagnetNeedle Class Reference 65 Static Protected Member Functions e static void drawPointer QPainter painter const QBrush amp brush int colorOffset const QPoint amp center int length int width double direction 12 13 1 Detailed Description A magnet needle for compass widgets A magnet needle points to two opposite directions indicating north and south The following colors are used e QColorGroup Light Used for pointing south e QColorGroup Dark Used for pointing north e QColorGroup Base Knob ThinStyle only See also QwtDial QwtCompass 12 13 2 Member Enumeration Documentation 12 13 2 1 enum QwtCompassMagnetNeedle Style Style of the needle 12 13 3 Constructor amp Destructor Documentation 12 13 3 1 QwtCompassMagnetNeedle QwtCompassMagnetNeedle Style style TriangleStyle const QColor amp light Qt white const QColor amp dark Qt red Constructor 12 13 4 Memb
272. is Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 2 Qwt License Version 1 0 10 copyrighted by the Free Software Foundation write to the Free Software Foundation we sometimes make exceptions for this Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally NO WARRANTY 15 BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE THERE IS NO WARRANTY FOR THE LIBRARY TO THE EXTENT PERMITTED BY APPLICABLE LAW EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND OR OTHER PARTIES PROVIDE THE LIBRARY AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE LIBRARY IS WITH YOU SHOULD THE LIBRARY PROVE DEFECTIVE YOU ASSUME THE COST OF ALL NECESSARY SERVICING REPAIR OR CORRECTION A Dv 16 IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER OR ANY OTHER PARTY WHO MAY MODIFY AND OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE BE LIABLE TO YOU FOR DAMAGES INCLUDING ANY GENERAL SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE LIBRARY INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES
273. is is useful to avoid that the scales are jumping when the tick labels or their positions change often Parameters start Minimum for the start border end Minimum for the end border See also getMinBorderDist getBorderDistHint 12 77 3 24 void QwtScaleWidget setPenWidth int width Specify the width of the scale pen Parameters width Pen width See also penWidthQ 12 77 3 25 void QwtScaleWidget setScaleDiv QwtScaleTransformation x transformation const QwtScaleDiv amp scaleDiv Assign a scale division The scale division determines where to set the tick marks Parameters transformation Transformation needed to translate between scale and pixal values Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 77 QwtScaleWidget Class Reference 392 scaleDiv Scale Division See also For more information about scale divisions see QwtScaleDiv 12 77 3 26 void QwtScale Widget setScaleDraw QwtScaleDraw sd Set a scale draw sd has to be created with new and will be deleted in QwtScaleWidget or the next call of setScaleDraw Parameters sd ScaleDraw object See also scaleDraw 12 77 3 27 void QwtScale Widget setSpacing int spacing Specify the distance between color bar scale and title Parameters spacing Spacing See also spacing 12 77 3 28 void QwtScale Widget setTitle const QwtText amp title Give title new text contents Pa
274. justed by QwtRoundScaleDraw setAngleRange The geometry of the scale can be specified with QwtRoundScaleDraw moveCenter and QwtRoundScaleDraw setRadius After a scale division has been specified as a QwtScaleDiv object using QwtAbstractScale Draw setScaleDiv const QwtScaleDiv s the scale can be drawn with the QwtAbstractScale Draw draw member Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 70 QwtRoundScaleDraw Class Reference 355 12 70 2 Constructor amp Destructor Documentation 12 70 2 1 QwtRoundScaleDraw QwtRoundScaleDraw Constructor The range of the scale is initialized to 0 100 The center is set to 50 50 with a radius of 50 The angle range is set to 135 135 12 70 2 2 QwtRoundScaleDraw QwtRoundScaleDraw const QwtRoundScaleDraw amp other Copy constructor 12 70 2 3 QwtRoundScaleDraw QwtRoundScaleDraw virtual Destructor 12 70 3 Member Function Documentation 12 70 3 1 QPoint QwtRoundScaleDraw center const Get the center of the scale 12 70 3 2 void QwtRoundScaleDraw drawBackbone QPainter x painter const protected virtual Draws the baseline of the scale Parameters painter Painter See also drawTick drawLabel Implements QwtAbstractScaleDraw 12 70 3 3 void QwtRoundScaleDraw drawLabel QPainter x painter double value const protected virtual Draws the label for a major scale tick Parameters painte
275. ker The symbol is drawn at the specified point With QwtPlotMarker setLabelO a label can be assigned to the marker The QwtPlot Marker setLabelAlignment member specifies where the label is drawn All the Align constants in Qt AlignmentFlags see Qt documentation are valid The interpretation of the alignment depends on the marker s line style The alignment refers to the center point of the marker which means for example that the label would be printed left above the center point if the alignment was set to AlignLeft AlignTop Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 57 QwtPlotMarker Class Reference 288 12 57 2 Member Enumeration Documentation 12 57 2 1 enum QwtPlotMarker LineStyle See also setLineStyle lineStyleQ 12 57 3 Constructor amp Destructor Documentation 12 57 3 1 QwtPlotMarker QwtPlotMarker explicit Sets alignment to Qt AlignCenter and style to NoLine 12 57 3 2 QwtPlotMarker QwtPlotMarker virtual Destructor 12 57 4 Member Function Documentation 12 57 4 1 QwtDoubleRect QwtPlotMarker boundingRect const Returns An invalid bounding rect QwtDoubleRect 1 0 1 0 2 0 2 0 Reimplemented from QwtPlotltem Line styles virtual 12 57 4 2 void QwtPlotMarker draw QPainter x painter const QwtScaleMap amp xMap const QwtScaleMap amp yMap const QRect amp canvasRect const Parameters painter Painter xMap x Scal
276. l Change the interval Parameters interval Interval 12 72 4 11 void QwtScaleDiv setInterval double lowerBound double upperBound inline Change the interval Parameters lowerBound lower bound upperBound upper bound 12 72 4 12 void QwtScaleDiv setTicks int type const QwtValueList amp ticks Assign ticks Parameters type MinorTick MediumTick or MajorTick ticks Values of the tick positions Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 73 QwtScaleDraw Class Reference 364 12 72 4 13 const QwtValueList QwtScaleDiv ticks int type const Parameters type MinorTick MediumTick or MajorTick 12 72 4 14 double QwtScaleDiv upperBound const Returns upper bound See also lowerBound 12 73 QwtScaleDraw Class Reference A class for drawing scales include lt qwt_scale_draw h gt Inheritance diagram for QwtScaleDraw Public Types e enum Alignment BottomScale TopScale LeftScale RightScale Public Member Functions e QwtScaleDraw e QwtScaleDraw const QwtScaleDraw amp QwtAbstractScaleDraw QwtScaleDraw inline Return a list of ticks Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 73 QwtScaleDraw Class Reference 365 virtual QwtScaleDraw QwtScaleDraw amp operator const QwtScaleDraw amp other void getBorderDistHint const QFont amp int amp start int amp end c
277. l s orientation Parameters o Orientation Allowed values are Qt Horizontal and Qt Vertical Defaults to Qt Horizontal See also QwtAbstractSlider orientation Reimplemented from QwtAbstractSlider 12 87 3 17 void QwtWheel setTickCnt int cnt Adjust the number of grooves in the wheel s surface The number of grooves is limited to 6 lt cnt lt 50 Values outside this range will be clipped The default value is 10 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 87 QwtWheel Class Reference 449 Parameters cnt Number of grooves per 360 degrees See also tickCnt 12 87 3 18 void QwtWheel setTotalAngle double angle Set the total angle which the wheel can be turned One full turn of the wheel corresponds to an angle of 360 degrees A total angle of nx360 degrees means that the wheel has to be turned n times around its axis to get from the minimum value to the maximum value The default setting of the total angle is 360 degrees Parameters angle total angle in degrees See also totalAngle 12 87 3 19 void QwtWheel setViewAngle double angle Specify the visible portion of the wheel You may use this function for fine tuning the appearance of the wheel The default value is 175 degrees The value is limited from 10 to 175 degrees Parameters angle Visible angle in degrees See also viewAngle setTotalAngle 12 87 3 20 void QwtWheel setWh
278. l Interval value Value See also QwtScaleArithmetic compareEps 12 74 4 5 double QwtScaleEngine divideInterval double intervalSize int numSteps const protected Calculate a step size for an interval size Parameters intervalSize Interval size numSteps Number of steps Returns Step size 12 74 4 6 virtual QwtScaleDiv QwtScaleEngine divideScale double x7 double x2 int maxMajSteps int maxMinSteps double stepSize 0 0 const pure virtual Calculate a scale division Parameters x1 First interval limit x2 Second interval limit maxMajSteps Maximum for the number of major steps maxMinSteps Maximum number of minor steps stepSize Step size If stepSize 0 0 the scaleEngine calculates one Implemented in QwtLinearScaleEngine and QwtLog10ScaleEngine 12 74 4 7 double QwtScaleEngine lowerMargin const Returns the margin at the lower end of the scale The default margin is 0 See also setMargins Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 74 QwtScaleEngine Class Reference 377 12 74 4 8 double QwtScaleEngine reference const Returns the reference value See also setReference setAttribute 12 74 4 9 void QwtScaleEngine setAttribute Attribute attribute bool on true Change a scale attribute Parameters attribute Attribute to change on On Off See also Attribute testAttribute 12 74 4 10 void QwtScaleEngine setAttributes int
279. l axis Valid int axisId 12 49 1 Detailed Description A 2 D plotting widget QwtPlot is a widget for plotting two dimensional graphs An unlimited number of plot items can be displayed on its canvas Plot items might be curves QwtPlotCurve markers Qwt PlotMarker the grid QwtPlotGrid or anything else derived from QwtPlotltem A plot can have up to four axes with each plot item attached to an x and a y axis The scales at the axes can be explicitely set QwtScaleDiv or are calculated from the plot items using algorithms QwtScaleEngine which can be configured separately for each axis Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 215 Example The following example shows schematically the most simple way to use QwtPlot By default only the left and bottom axes are visible and their scales are computed automatically include lt qwt_plot h gt include lt qwt_plot_curve h gt QwtPlot myPlot new QwtPlot Two Curves parent add curves QwtPlotCurve curvel new QwtPlotCurve Curve 1 QwtPlotCurve curve2 new QwtPlotCurve Curve 2 Il copy the data into the curves curvel gt setData curve2 gt setData curvel gt attach myPlot curve2 gt attach myPlot finally refresh the plot myPlot gt replot 12 49 2 Member Enumeration Documentation 12 49 2 1 enum QwtPlot Axis Axis index e yLeft e yRight e xBo
280. l copy constructor Implements QwtData 12 67 3 2 const QPolygonF amp QwtPolygonFData data const Returns Point array 12 67 3 3 QwtPolygonFData amp QwtPolygonFData operator const QwtPolygonFData amp data Assignment Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 68 QwtRasterData Class Reference 347 12 67 3 4 size_t QwtPolygonFData size const virtual Returns Size of the data set Implements QwtData 12 67 3 5 double QwtPolygonFData x size_t i const Parameters i Index Returns x X value of data point i Implements QwtData 12 67 3 6 double QwtPolygonFData y size_t i const Parameters i Index Returns y Y value of data point i Implements QwtData 12 68 QwtRasterData Class Reference virtual Return the x value of data point i virtual Return the y value of data point i QwtRasterData defines an interface to any type of raster data include lt qwt_raster_data h gt Inheritance diagram for QwtRasterData QwiRasterData QwtPlotSpectrogram PrivateData DummyData Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 68 QwtRasterData Class Reference 348 Public Types e enum ConrecAttribute IgnoreAllVerticesOnLevel 1 IgnoreOutOfRange 2 e typedef QMap lt double QPolygonF gt ContourLines Public Member Functions e QwtRasterData e QwtRasterData const QwtDoubleRe
281. lculated new interval for the axis 12 62 4 8 QwtDoubleInterval QwtPlotRescaler interval int axis const protected Return interval of an axis Parameters axis Axis index see QwtPlot AxisId gt 12 62 4 9 bool QwtPlotRescaler isEnabled const Returns true when enabled false otherwise See also setEnabled eventFilter Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 62 QwtPlotRescaler Class Reference 316 12 62 4 10 Qt Orientation QwtPlotRescaler orientation int axis const protected Return orientation of an axis Parameters axis Axis index see QwtPlot AxisId 12 62 4 11 const QwtPlot QwtPlotRescaler plot const Returns plot widget 12 62 4 12 QwtPlot QwtPlotRescaler plot Returns plot widget 12 62 4 13 int QwtPlotRescaler referenceAxis const Returns Reference axis see RescalePolicy See also setReferenceAxis 12 62 4 14 void QwtPlotRescaler rescale const OSize amp oldSize const QSize amp newSize const protected virtual Adjust the plot axes scales Parameters oldSize Previous size of the canvas newSize New size of the canvas 12 62 4 15 void QwtPlotRescaler rescale const Adjust the plot axes scales Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 62 QwtPlotRescaler Class Reference 317 12 62 4 16 QwtPlotRescaler RescalePolicy QwtPlotRescaler rescalePolicy
282. le QwtScaleTransformation invXForm double p double p1 double p2 double s1 double s2 const virtual Transform a value from a linear to a logarithmic interval Parameters p value related to the linear interval p1 p2 pl first border of linear interval p2 second border of linear interval s1 first border of logarithmic interval s2 second border of logarithmic interval Returns exp p pl p2 p1 log s2 s1 x s1 12 76 3 3 QwtScaleTransformation Type QwtScaleTransformation type const inline Returns Transformation type 12 76 3 4 double QwtScaleTransformation xForm double s double s7 double s2 double p1 double p2 const virtual Transform a value between 2 linear intervals Parameters s value related to the interval s1 s2 s1 first border of scale interval s2 second border of scale interval pl first border of target interval p2 second border of target interval Returns linear mapping pl p2 p1 s2 s1 x s s1 log10 mapping pl p2 pl log s2 s1 x log s s1 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 77 QwtScaleWidget Class Reference 385 12 77 QwtScaleWidget Class Reference A Widget which contains a scale include lt qwt_scale_widget h gt Signals void scaleDivChanged Public Member Functions QwtScaleWidget QWidget parent NULL QwtScale Widget QwtScaleDraw Alignment QWidget x xparent NULL virtual Qw
283. le draw made for QwtDial 100 QwtDialSimpleNeedle A needle for dial widgets 102 QwtDoubleInterval A class representing an interval 105 QwtDoubleRange A class which controls a value within an interval 112 QwtDynGridLayout Lays out widgets in a grid adjusting the number of columns and rows to the current size 118 QwtEventPattern A collection of event patterns 124 QwtIntervalData Series of samples of a value and an interval 132 QwtKnob The Knob Widget 134 QwtLegend The legend widget 139 QwtLegendItem A legend label 145 QwtLegendItemManager Abstract API to bind plot items to the legend gt 153 QwtLinearColorMap QwtLinearColorMap builds a color map from color stops 154 QwtLinearScaleEngine A scale engine for linear scales 158 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 11 1 Class List 19 QwtLog10ScaleEngine A scale engine for logarithmic base 10 scales 160 QwtMagnifier QwtMagnifier provides zooming by magnifying in steps 162 QwtMathMLtTextEngine Text Engine for the MathML renderer of the Qt solutions package 170 QwtMetricsMap A Map to translate between layout screen and paint device metrics 173 QwtPainter A collection of QPainter workarounds 174 QwtPanner QwtPanner provides panning of a widget 179 QwtPicker QwtPicker provides selections on a widget 184 QwtPickerClickPointMachine A state machine for point selections 203 QwtPickerClickRectMachine A st
284. lelnterval Class Reference 110 Returns Normalized interval See also isValid inverted 12 24 4 14 int QwtDoubleInterval operator const QwtDoubleInterval amp other const inline Compare two intervals 12 24 4 15 QwtDoublelnterval QwtDoubleInterval operator amp const QwtDoubleInterval interval const inline Intersection of two intervals See also intersect 12 24 4 16 QwtDoubleInterval amp QwtDoubleInterval operator amp const QwtDoubleInterval interval Intersects this interval with the given interval 12 24 4 17 int QwtDoubleInterval operator const QwtDoubleInterval amp other const inline Compare two intervals 12 24 4 18 QwtDoubleInterval QwtDoubleInterval operator double value const inline Extend an interval See also extend 12 24 4 19 QwtDoubleInterval QwtDoubleInterval operator const QwtDoubleInterval interval const inline Union of two intervals See also unite Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 24 QwtDoublelnterval Class Reference 111 12 24 4 20 QwtDoublelInterval amp QwtDoubleInterval operator const QwtDoubleInterval amp interval Unites this interval with the given interval 12 24 4 21 void QwtDoubleInterval setBorderFlags int borderFlags inline Change the border flags Parameters borderFlags Or d BorderMode flags See also borderFlags 12 24 4 22 void QwtDoubleln
285. leltem font const Returns tick label font See also setFont 12 63 3 4 bool QwtPlotScaleItem isScaleDivFromA xis const Returns True if the synchronization of the scale division with the corresponding axis is enabled See also setScaleDiv setScaleDivFromAxis Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 63 QwtPlotScaleItem Class Reference 322 12 63 3 5 QPalette QwtPlotScaleltem palette const Returns palette See also setPalette 12 63 3 6 double QwtPlotScaleItem position const Returns Position of the scale See also setPosition setAlignment 12 63 3 7 int QwtPlotScaleltem rtti const virtual Returns QwtPlotItem Rtti_PlotScale Reimplemented from QwtPlotltem 12 63 3 8 const QwtScaleDiv amp QwtPlotScaleItem scaleDiv const Returns Scale division 12 63 3 9 QwtScaleDraw QwtPlotScaleltem scaleDraw Returns Scale draw See also setScaleDraw Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 63 QwtPlotScaleItem Class Reference 323 12 63 3 10 const QwtScaleDraw QwtPlotScaleltem scaleDraw const Returns Scale draw See also setScaleDraw 12 63 3 11 void QwtPlotScaleItem setAlignment QwtScaleDraw Alignment alignment Change the alignment of the scale The alignment sets the orientation of the scale and the position of the ticks e QwtScaleDraw
286. lic Member Functions e virtual CommandList transition const QwtEventPattern amp const QEvent 12 42 1 Detailed Description A state machine for point selections Pressing QwtEventPattern MouseSelectl or QwtEventPat tern KeySelectl selects a point See also QwtEventPattern MousePatternCode QwtEventPattern KeyPatternCode 12 42 2 Member Function Documentation 12 42 2 1 QwtPickerMachine CommandList QwtPickerClickPointMachine transition const QwtEventPattern amp eventPattern const QEvent xe virtual Transition Implements QwtPickerMachine Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 43 QwtPickerClickRectMachine Class Reference 204 12 43 QwtPickerClickRectMachine Class Reference A state machine for rectangle selections include lt qwt_picker_machine h gt Inheritance diagram for QwtPickerClickRectMachine QwtPickerMachine QwtPickerClickRectMachine Public Member Functions e virtual CommandList transition const QwtEventPattern amp const QEvent 12 43 1 Detailed Description A state machine for rectangle selections Pressing QwtEventPattern MouseSelectl starts the selection releasing it selects the first point Pressing it again selects the second point and terminates the selection Pressing QwtEventPattern KeySelectl also starts the selection a second press selects the first point A third one selects the second point and terminates the selection
287. lidatePaintCache 238 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 469 PaintAttribute 236 paintCache 238 paintEvent 238 plot 238 QwtPlotCanvas 236 replot 238 setFocusIndicator 238 setPaintAttribute 239 testPaintAttribute 239 QwtPlotCurve 239 QwtPlotCurve 244 baseline 245 boundingRect 245 brush 245 closePolyline 245 closestPoint 245 CurveAttribute 242 curveFitter 246 CurveStyle 242 CurveType 243 curveType 246 data 246 dataSize 246 draw 246 247 drawCurve 247 drawDots 248 drawLines 248 drawSteps 249 drawSticks 249 drawSymbols 249 fillCurve 250 init 250 maxX Value 250 max Y Value 250 minX Value 251 min Y Value 251 PaintAttribute 243 pen 251 QwtPlotCurve 244 rtti 251 setBaseline 251 setBrush 251 setCurveAttribute 252 setCurveFitter 252 setCurveType 252 setData 252 253 setPaintAttribute 253 setPen 254 setRawData 254 setStyle 254 setSymbol 254 style 255 symbol 255 testCurveAttribute 255 testPaintAttribute 255 updateLegend 255 x 256 y 256 QwtPlotDict 256 QwtPlotDict 257 autoDelete 257 detachItems 258 itemList 258 QwtPlotDict 257 setAutoDelete 258 QwtPlotGrid 258 QwtPlotGrid 260 draw 260 enableX 260 enableXMin 260 enableY 261 enable Y Min 261 majPen 261 minPen 261 QwtPlotGrid 260 rtti 262 setMajPen 262 setMinPen 262 setPen 262 setXDiv 263 setYDiv 263 updateSc
288. lider can t be controlled by mouse or keyboard Parameters readOnly Enables in case of true See also isReadOnly 12 5 4 17 void QwtAbstractSlider setTracking bool enable Enables or disables tracking If tracking is enabled the slider emits a valueChanged signal whenever its value changes the default behaviour If tracking is disabled the value changed signal will only be emitted if e the user releases the mouse button and the value has changed or e at the end of automatic scrolling Tracking is enabled by default Parameters enable true enable or false disable tracking Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 5 QwtAbstractSlider Class Reference 41 12 5 4 18 void QwtAbstractSlider setUpdateTime int Specify the update interval for automatic scrolling Parameters t update interval in milliseconds See also getScrollMode 12 5 4 19 void QwtAbstractSlider setValid bool valid inline Parameters valid true false See also QwtDblRange isValid Reimplemented from QwtDoubleRange 12 5 4 20 void QwtAbstractSlider setValue double val virtual slot Move the slider to a specified value This function can be used to move the slider to a value which is not an integer multiple of the step size Parameters val new value See also fitValue Reimplemented from QwtDoubleRange 12 5 4 21 void QwtAbstractSlider sliderMov
289. lot 217 axisMaxMinor QwtPlot 217 axisScaleDiv QwtPlot 218 axisScaleDraw QwtPlot 218 219 axisScaleEngine QwtPlot 219 axisStepSize QwtPlot 220 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 453 axisTitle QwtCounter 72 QwtPlot 220 buttonReleased axis Valid QwtCounter 73 QwtPlot 220 axis Widget CachePolicy QwtPlot 220 221 QwtPlotRasterltem 308 cachePolicy backgroundBrush QwtPlotRasterltem 309 QwtText 420 canvas backgroundPen QwtPlot 221 QwtText 420 QwtPlotMagnifier 285 baseline QwtPlotPanner 295 QwtPlotCurve 245 QwtPlotPicker 300 begin QwtPlotRescaler 314 QwtPicker 192 QwtPlotZoomer 340 BGSTYLE QwtSlider 398 bgStyle QwtSlider 399 borderDistance QwtPlotScaleltem 321 borderFlags QwtDoublelnterval 107 BorderMode QwtDoublelnterval 106 borderWidth QwtKnob 136 QwtSlider 399 QwtThermo 437 boundingLabelRect QwtScaleDraw 366 boundingRect QwtArrayData 50 QwtCPointerData 79 QwtData 83 QwtDial 87 QwtIntervalData 133 QwtPlotCurve 245 QwtPlotItem 268 QwtPlotMarker 288 QwtPlotSpectrogram 328 QwtPlotSvgltem 335 QwtRasterData 349 brush QwtPlotCurve 245 QwtSymbol 413 buildInterval QwtScaleEngine 375 buildNaturalSpline QwtSpline 407 buildPeriodicSpline QwtSpline 407 Button canvasBackground QwtPlot 221 canvasLine Width QwtPlot 221 canvasMap QwtPlot 222 canvasMargin QwtPlotLayout 278 canvasRect QwtPlotLayout 279 ceil
290. lotSpectrogram 328 contourLines QwtRasterData 349 contourPen QwtPlotSpectrogram 328 contourRasterSize QwtPlotSpectrogram 329 copy QwtAlphaColorMap 44 QwtArrayData 50 QwtColorMap 58 QwtCPointerData 79 QwtData 83 QwtLinearColorMap 157 QwtPolygonFData 346 data QwtPlotCurve 246 QwtPlotSpectrogram 329 QwtPolygonFData 346 dataSize QwtPlotCurve 246 defaultContourPen QwtPlotSpectrogram 330 detach QwtPlotItem 268 detachItems QwtPlotDict 258 deviceClipping QwtPainter 175 deviceClipRect QwtPainter 175 dimForLength QwtScaleWidget 387 Direction QwtDial 86 direction QwtDial 88 discardRaster QwtRasterData 349 DisplayMode QwtPicker 188 QwtPlotSpectrogram 327 displayPolicy QwtLegend 142 divideEps QwtScaleArithmetic 359 dividelInterval QwtScaleEngine 376 divideScale QwtLinearScaleEngine 160 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 455 QwtLog10ScaleEngine 161 QwtScaleEngine 376 draw QwtAbstractScaleDraw 29 QwtCompassMagnetNeedle 65 QwtCompassRose 67 QwtCompassWindArrow 69 QwtDialNeedle 100 QwtDialSimpleNeedle 104 QwtKnob 136 QwtMathMLTextEngine 171 QwtPlainTextEngine 210 QwtPlotCurve 246 247 QwtPlotGrid 260 QwtPlotItem 268 QwtPlotMarker 288 QwtPlotRasterItem 310 QwtPlotScaleltem 321 QwtPlotSpectrogram 330 QwtPlotSvgltem 335 QwtRichTextEngine 352 QwtScaleWidget 387 QwtSimpleCompassRose 395
291. lowerBound double upperBound void setInterval const QwtDoubleInterval amp QwtDoublelnterval interval const double lowerBound const double upperBound const double range const bool contains double v const void setTicks int type const QwtValueList amp const QwtValueList amp ticks int type const void invalidate bool is Valid const void invert Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 72 QwtScaleDiv Class Reference 361 12 72 1 Detailed Description A class representing a scale division A scale division consists of its limits and 3 list of tick values qualified as major medium and minor ticks In most cases scale divisions are calculated by a QwtScaleEngine See also subDividelnto subDivide 12 72 2 Member Enumeration Documentation 12 72 2 1 enum QwtScaleDiv TickType Scale tick types 12 72 3 Constructor amp Destructor Documentation 12 72 3 1 QwtScaleDiv QwtScaleDiv Q explicit Construct an invalid QwtScaleDiv instance 12 72 3 2 QwtScaleDiv QwtScaleDiv const QwtDoublelnterval amp interval QwtValueList ticks NTickTypes explicit Construct QwtScaleDiv instance Parameters interval Interval ticks List of major medium and minor ticks 12 72 33 QwtScaleDiv QwtScaleDiv double lowerBound double upperBound QwtValueList ticks NTickTypes explicit Construct QwtScaleDiv instance Parameters lowerBound First int
292. lso setOrigin 12 20 4 23 void QwtDial paintEvent QPaintEvent xe protected virtual Paint the dial Parameters e Paint event 12 20 4 24 void QwtDial rangeChange protected virtual QwtDoubleRange update hook Reimplemented from QwtDoubleRange 12 20 4 25 void QwtDial resizeEvent QResizeEvent xe protected virtual Resize the dial widget Parameters e Resize event Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 20 QwtDial Class Reference 94 12 20 4 26 QRect QwtDial scaleContentsRect const virtual Returns rect inside the scale See also setLine WidthQ boundingRect contentsRect 12 20 4 27 const QwtDialScaleDraw QwtDial scaleDraw const Return the scale draw 12 20 4 28 QwtDialScaleDraw x QwtDial scaleDraw Return the scale draw 12 20 4 29 QwtText QwtDial scaleLabel double value const protected virtual Find the label for a value Parameters value Value Returns label Reimplemented in QwtAnalogClock and QwtCompass 12 20 4 30 void QwtDial setDirection Direction direction Set the direction of the dial clockwise counterclockwise Direction direction See also direction 12 20 4 31 void QwtDial setFrameShadow Shadow shadow Sets the frame shadow value from the frame style Parameters shadow Frame shadow Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 20 QwtDial Cl
293. m Parameters plotItem Plot item Returns Widget on the legend or NULL Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 30 QwtLegend Class Reference 143 12 30 4 8 int QwtLegend heightForWidth int width const virtual Returns The preferred height for the width w Parameters width Width 12 30 4 9 QScrollBar x QwtLegend horizontalScrollBar const Returns Horizontal scrollbar See also verticalScrollBar 12 30 4 10 int QwtLegend identifierMode const Returns the IdentifierMode to be used in combination with LegendDisplayPolicy Fixed Default is ShowLine ShowSymbol ShowText 12 30 4 11 void QwtLegend insert const QwtLegendItemManager plotltem Q Widget x legendItem Insert a new item for a plot item Parameters plotItem Plot item legendItem New legend item Note The parent of item will be changed to QwtLegend contentsWidget 12 30 4 12 bool QwtLegend isEmpty const Return true if there are no legend items Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 30 QwtLegend Class Reference 144 12 30 4 13 uint QwtLegend itemCount const Return the number of legend items 12 30 4 14 QwtLegend LegendItemMode QwtLegend itemMode const See also LegendItemMode 12 30 4 15 void QwtLegend layoutContents protected virtual Adjust contents widget and item layout to the size of the viewpo
294. mber Functions e QwtPicker QWidget xparent e QwtPicker int selectionFlags RubberBand rubberBand DisplayMode trackerMode QWidget x virtual QwtPicker virtual void setSelectionFlags int int selectionFlags const virtual void setRubberBand RubberBand RubberBand rubberBand const virtual void setTrackerMode DisplayMode DisplayMode trackerMode const virtual void setResizeMode ResizeMode ResizeMode resizeMode const virtual void setRubberBandPen const QPen amp QPen rubberBandPen const virtual void setTrackerPen const QPen amp QPen trackerPen const virtual void setTrackerFont const QFont 4 QFont trackerFont const bool isEnabled const virtual void setEnabled bool bool isActive const virtual bool eventFilter QObject x QEvent x QWidget x parentWidget const QWidget x parentWidget const virtual QRect pickRect const const QwtPolygon amp selection const virtual void drawRubberBand QPainter x const virtual void drawTracker QPainter const virtual QwtText trackerText const QPoint amp pos const e QPoint trackerPosition const e QRect trackerRect const QFont amp const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 187 Protected Member Functions e virtual bool accept QwtPolygon amp selection const e virtual void transition const QEvent x e virtual void begin e virtual void a
295. meShadow lineWidth QFrame frameShadow 12 20 4 11 void QwtDial getScrollMode const QPoint amp pos int amp scrollMode int amp direction protected virtual See QwtAbstractSlider getScrollMode Parameters pos point where the mouse was pressed Return values scrollMode The scrolling mode direction direction 1 0 or 1 See also QwtAbstractSlider getScrollMode Implements QwtAbstractSlider 12 20 4 12 double QwtDial getValue const QPoint amp pos protected virtual Find the value for a given position Parameters pos Position Returns Value Implements QwtAbstractSlider Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 20 QwtDial Class Reference 91 12 20 4 13 bool QwtDial hasVisibleBackground const true when the area outside of the frame is visible See also showBackground setMask 12 20 4 14 void QwtDial keyPressEvent QKeyEvent event protected virtual Handles key events Key_Down KeyLeft Decrement by 1 Key_Prior Decrement by pageSize Key_Home Set the value to minValue Key_Up KeyRight Increment by 1 Key_Next Increment by pageSize Key_End Set the value to max Value Parameters event Key event See also isReadOnly Reimplemented from QwtAbstractSlider Reimplemented in QwtCompass 12 20 4 15 int QwtDial lineWidth const Returns Line width of the frame See also s
296. ment alignment const QRect colorBarRect const QRect amp const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 77 QwtScaleWidget Class Reference 386 Protected Member Functions virtual void paintEvent QPaintEvent xe virtual void resizeEvent QResizeEvent xe void draw QPainter xp const void scaleChange void layoutScale bool update true 12 77 1 Detailed Description A Widget which contains a scale This Widget can be used to decorate composite widgets with a scale 12 772 Constructor amp Destructor Documentation 12 77 2 1 QwtScaleWidget QwtScaleWidget QWidget x parent NULL explicit Create a scale with the position QwtScaleWidget Left Parameters parent Parent widget 12 77 22 QwtScaleWidget QwtScaleWidget QwtScaleDraw Alignment align Q Widget x parent NULL explicit Constructor Parameters align Alignment parent Parent widget 12 77 23 QwtScaleWidget QwtScale Widget virtual Destructor 12 77 3 Member Function Documentation 12 77 3 1 QwtScaleDraw Alignment QwtScaleWidget alignment const Returns position Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 77 QwtScaleWidget Class Reference 387 See also setPosition 12 77 3 2 int QwtScaleWidget dimForLength int length const QFont amp scaleFont const Find the minimum dimension for a given length dim is the height length the width
297. mmercial Qt solutions package might be required that is not available in Qt Open Source Edition environments Parameters format Text format Returns The text engine or NULL if no engine is available Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 83 QwtText Class Reference 426 12 83 4 26 const QwtTextEngine x QwtText textEngine const QString amp text QwtText TextFormat format AutoText static Find the text engine for a text format In case of QwtText AutoText the first text engine beside QwtPlainTextEngine is returned where Qwt TextEngine mightRender returns true If there is none QwtPlainTextEngine is returnd If no text engine is registered for the format QwtPlainTextEngine is returnd Parameters text Text needed in case of AutoText format Text format 12 83 4 27 QSize QwtText textSize const QFont amp defaultFont QFont const Find the height for a given width Parameters defaultFont Font used for the calculation if the text has no font Returns Calculated height Returns the size that is needed to render text Parameters defaultFont Font of the text Returns Caluclated size 12 83 4 28 QColor QwtText usedColor const QColor amp defaultColor const Return the color of the text if it has one Otherwise return defaultColor Parameters defaultColor Default color See also setColor color PaintAttributes Generated on Sun
298. mpass 59 QwtKnob 134 QwtSlider 397 QwtWheel 444 QwtCounter 70 QwtDynGridLayout 118 QwtEventPattern 124 QwtPicker 184 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 10 1 Class Hierarchy 16 QwtPlotPicker QwtPlotZoomer QwtIntervalData QwtLegend QwtLegendItemManager QwtPlotItem QwtPlotCurve QwtPlotGrid QwtPlotMarker QwtPlotRasterItem QwtPlotSpectrogram QwtPlotScaleItem QwtPlotSvgItem QwtMagnifier QwtPlotMagnifier QwtMetricsMap QwtPainter QwtPanner QwtPlotPanner QwtPickerMachine QwtPickerClickPointMachine QwtPickerClickRectMachine QwtPickerDragPointMachine QwtPickerDragRectMachine QwtPickerPolygonMachine QwtPlotCanvas QwtPlotDict QwtPlot QwtPlotLayout 296 337 132 139 153 265 239 258 286 307 325 319 334 162 284 173 174 179 293 206 203 204 204 205 208 235 256 212 276 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 11 Class Index 17 QwtPlotPrintFilter 304 QwtPlotRescaler 311 QwtRasterData 347 QwtScaleArithmetic 358 QwtScaleDiv 360 QwtScaleEngine 373 QwtLinearScaleEngine 158 QwtLog10ScaleEngine 160 QwtScaleMap 379 QwtScaleTransformation 383 QwtScale Widget 385 QwtSpline 405 QwtSymbol 411 QwtText 416 QwtTextEngine 427 QwtMathMLtTextEngine 170 QwtPlainTextEngine 209 QwtRichTextEngine 351 QwtTextLabel 430 QwtLegendItem 145 11 Class Index 11 1 Class List
299. n See also setltemAttribute testltemAttribute 12 54 2 2 enum QwtPlotItem RenderHint Render hints 12 54 2 3 enum QwtPlotItem RttiValues Runtime type information RttiValues is used to cast plot items without having to enable runtime type information of the compiler 12 54 3 Constructor amp Destructor Documentation 12 54 3 1 QwtPlotItem QwtPlotItem const QwtText amp title QwtText explicit Constructor Parameters title Title of the item Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 54 QwtPlotltem Class Reference 268 12 54 3 2 QwtPlotItem QwtPlotItem virtual Destroy the QwtPlotltem 12 54 4 Member Function Documentation 12 54 4 1 void QwtPlotItem attach QwtPlot x plot Attach the item to a plot This method will attach a QwtPlotltem to the QwtPlot argument It will first detach the QwtPlotltem from any plot from a previous call to attach if necessary If a NULL argument is passed it will detach from any QwtPlot it was attached to Parameters plot Plot widget See also QwtPlotItem detach 12 54 4 2 QwtDoubleRect QwtPlotItem boundingRect const virtual Returns An invalid bounding rect QwtDoubleRect 1 0 1 0 2 0 2 0 Reimplemented in QwtPlotCurve QwtPlotMarker QwtPlotSpectrogram and QwtPlotSvgltem 12 54 4 3 void QwtPlotItem detach inline This method detaches a QwtPlotltem from any QwtPlot it has been associa
300. n QwtPlotPicker 12 41 4 41 const QWidget x QwtPicker tracker Widget const protected Returns Widget displaying the tracker text Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 201 12 41 4 42 void QwtPicker transition const QEvent xe protected virtual Passes an event to the state machine and executes the resulting commands Append and Move commands use the current position of the cursor QCursor pos Parameters e Event 12 41 4 43 void QwtPicker updateDisplay protected virtual Update the state of rubberband and tracker label 12 41 4 44 void QwtPicker widgetKeyPressEvent QKeyEvent ke protected virtual Handle a key press event for the observed widget Selections can be completely done by the keyboard The arrow keys move the cursor the abort key aborts a selection All other keys are handled by the current state machine See also QwtPicker selectionFlags eventFilter widgetMousePressEvent widgetMouseReleaseEvent widgetMouseDoubleClick Event widgetMouseMoveEvent widgetWheelEvent widgetKeyReleaseEvent stateMachine QwtEventPattern KeyPatternCode Reimplemented in QwtPlotZoomer 12 41 4 45 void QwtPicker widgetKeyReleaseEvent QKeyEvent ke protected virtual Handle a key release event for the observed widget Passes the event to the state machine See also eventFilterQ widgetMousePressEv
301. n Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 77 QwtScaleWidget Class Reference 390 12 77 3 18 void QwtScale Widget setAlignment QwtScaleDraw Alignment alignment Change the alignment Parameters alignment New alignment See also alignment 12 77 3 19 void QwtScaleWidget setBorderDist int dist1 int dist2 Specify distances of the scale s endpoints from the widget s borders The actual borders will never be less than minimum border distance Parameters dist Left or top Distance dist2 Right or bottom distance See also borderDist 12 77 3 20 void QwtScaleWidget setLabelAlignment Qt Alignment alignment Change the alignment for the labels See also QwtScaleDraw setLabelAlignment setLabelRotation 12 77 3 21 void QwtScaleWidget setLabelRotation double rotation Change the rotation for the labels See QwtScaleDraw setLabelRotation Parameters rotation Rotation See also QwtScaleDraw setLabelRotation setLabelFlags Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 77 QwtScaleWidget Class Reference 391 12 77 3 22 void QwtScaleWidget setMargin int margin Specify the margin to the colorBar base line Parameters margin Margin See also margin 12 77 3 23 void QwtScale Widget setMinBorderDist int start int end Set a minimum value for the distances of the scale s endpoints from the widget borders Th
302. n item is checked Note clicks are disabled as default See also QwtLegend setItemMode QwtLegend itemMode 12 49 4 36 void QwtPlot legendClicked QwtPlotItem x plotItem signal A signal which is emitted when the user has clicked on a legend item which is in QwtLegend Clickableltem mode Parameters plotItem Corresponding plot item of the selected legend item Note clicks are disabled as default See also QwtLegend setItemMode QwtLegend itemMode 12 49 4 37 void QwtPlot legendItemChecked bool on protected virtual slot Called internally when the legend has been checked Emits a legendClicked signal 12 49 4 38 void QwtPlot legendItemClicked protected virtual slot Called internally when the legend has been clicked on Emits a legendClicked signal 12 49 4 39 int QwtPlot margin const Returns margin See also setMargin QwtPlotLayout margin plotLayout Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 226 12 49 4 40 OSize QwtPlot minimumSizeHint const virtual Return a minimum size hint 12 49 4 41 const QwtPlotLayout QwtPlot plotLayout const Returns the plot s titel label 12 49 4 42 QwtPlotLayout x QwtPlot plotLayout Returns the plot s title 12 49 4 43 void QwtPlot polish Q virtual Polish 12 49 4 44 void QwtPlot print QPainter x painter const QRect amp
303. n of the x axis yScaleDiv Scale division of the y axis See also QwtPlot updateAxes Reimplemented from QwtPlotltem 12 64 QwtPlotSpectrogram Class Reference A plot item which displays a spectrogram include lt qwt_plot_spectrogram h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 64 QwtPlotSpectrogram Class Reference 326 Inheritance diagram for QwtPlotSpectrogram QwtLegendltemManager QwtPlotltem QwtPlotRasterltem QwtPlotSpectrogram Public Types enum DisplayMode ImageMode 1 ContourMode 2 Public Member Functions QwtPlotSpectrogram const QString amp title QString null virtual QwtPlotSpectrogram void setDisplayMode DisplayMode bool on true bool testDisplayMode DisplayMode const void setData const QwtRasterData amp data const QwtRasterData amp data const void setColorMap const QwtColorMap amp const QwtColorMap amp colorMap const virtual QwtDoubleRect boundingRect const virtual QSize rasterHint const QwtDoubleRect amp const void setDefaultContourPen const QPen amp QPen defaultContourPen const virtual QPen contourPen double level const void setConrecAttribute QwtRasterData ConrecAttribute bool on bool testConrecAttribute QwtRasterData ConrecAttribute const void setContourLevels const QwtValueList amp QwtValueList contourLevels const virtual int rtti const Generated on Sun Apr
304. nce 417 Public Types enum TextFormat AutoText 0 PlainText RichText MathMLText TeXText OtherFormat 100 enum PaintAttribute PaintUsingTextFont 1 PaintUsingTextColor 2 PaintBackground 4 enum LayoutAttribute MinimumLayout Public Member Functions QwtText const QString amp QString null TextFormat textFormat AutoText QwtText const QwtText amp QwtText QwtText amp operator const QwtText amp int operator const QwtText amp const int operator const QwtText amp const void setText const QString amp QwtText TextFormat textFormat AutoText QString text const bool isNull const bool isEmpty const void setFont const QFont amp QFont font const QFont usedFont const QFont amp const void setRenderFlags int flags int renderFlags const void setColor const QColor amp QColor color const QColor usedColor const QColor amp const void setBackgroundPen const QPen 42 QPen backgroundPen const void setBackgroundBrush const QBrush dz QBrush backgroundBrush const void setPaintAttribute PaintAttribute bool on true bool testPaintAttribute PaintAttribute const void setLayoutAttribute LayoutAttribute bool on true bool testLayoutAttribute LayoutAttribute const int heightForWidth int width const QFont amp QFont const QSize textSize const QFont amp QFont const void draw QPainter painter con
305. nce diagram for QwtSplineCurveFitter QwtCurveFitter QwtSplineCurveFitter Public Types enum FitMode Auto Spline ParametricSpline Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 81 QwtSplineCurveFitter Class Reference 410 Public Member Functions e QwtSplineCurveFitter virtual QwtSplineCurveFitter void setFitMode FitMode FitMode fitMode const void setSpline const QwtSpline amp const QwtSpline amp spline const QwtSpline amp spline void setSplineSize int size int splineSize const virtual QPolygonF fitCurve const QPolygonF 82 const 12 81 1 Detailed Description A curve fitter using cubic splines 12 81 2 Constructor amp Destructor Documentation 12 81 2 1 QwtSplineCurveFitter QwtSplineCurveFitter Constructor 12 81 2 2 QwtSplineCurveFitter QwtSplineCurveFitter virtual Destructor 12 81 3 Member Function Documentation 12 81 3 1 QPolygonF QwtSplineCurveFitter fitCurve const QPolygonF amp points const virtual Find a curve which has the best fit to a series of data points Parameters points Series of data points Returns Curve points Implements QwtCurveFitter Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 82 QwtSymbol Class Reference 411 12 81 3 2 QwtSplineCurveFitter FitMode QwtSplineCurveFitter fitMode const Returns Mode representing a splin
306. nd will be deleted in QwtThermo or the next call of setScaleDraw 12 86 3 36 void QwtThermo setScalePosition ScalePos scalePos Change the scale position and thermometer orientation Parameters scalePos Position of the scale A valid combination of scale position and orientation is enforced e if the new scale position is LeftScale or RightScale the scale orientation will become Qt Vertical e if the new scale position is BottomScale or TopScale the scale orientation will become Qt Horizontal e if the new scale position is NoScale the scale orientation will not change See also setOrientation scalePosition 12 86 3 37 void QwtThermo setValue double value slot Set the current value Parameters value New Value See also value 12 86 3 38 QSize QwtThermo sizeHint const virtual Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 87 QwtWheel Class Reference 444 Returns the minimum size hint See also minimumSizeHint 12 86 3 39 double QwtThermo value const Return the value 12 87 QwtWheel Class Reference The Wheel Widget include lt qwt_wheel h gt Inheritance diagram for QwtWheel QwtDoubleRange QwtAbstractSlider QwtWheel Public Member Functions e QwtWheel QWidget parent NULL virtual QwtWheel 0 virtual void setOrientation Qt Orientation double totalAngle const double viewAngle const
307. ndex Returns Scale division See also QwtScaleDiv setAxisScaleDiv 12 49 4 10 const QwtScaleDiv x QwtPlot axisScaleDiv int axisId const Return the scale division of a specified axis axisScaleDiv axisId gt lowerBound axisScaleDiv axisId gt upperBound are the current limits of the axis scale Parameters axisId axis index Returns Scale division See also QwtScaleDiv setAxisScaleDiv Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 219 12 49 4 11 QwtScaleDraw QwtPlot axisScaleDraw int axisId Returns the scale draw of a specified axis Parameters axisId axis index Returns specified scaleDraw for axis or NULL if axis is invalid See also QwtScaleDraw 12 49 4 12 const QwtScaleDraw x QwtPlot axisScaleDraw int axisId const Returns the scale draw of a specified axis Parameters axisId axis index Returns specified scaleDraw for axis or NULL if axis is invalid See also QwtScaleDraw 12 49 4 13 const QwtScaleEngine x QwtPlot axisScaleEngine int axisId const Parameters axisId axis index Returns Scale engine for a specific axis Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 220 12 49 4 14 QwtScaleEngine x QwtPlot axisScaleEngine int axisId Parameters axisId axis index Returns Scale engine for a specific axis
308. ne QwtSpline 407 QwtSplineCurveFitter QwtSplineCurveFitter 410 QwtSymbol QwtSymbol 413 QwtText QwtText 420 QwtTextEngine QwtTextEngine 428 QwtTextLabel QwtTextLabel 431 QwtThermo QwtThermo 436 QwtWheel QwtWheel 445 abstractScaleDraw QwtAbstractScale 22 accept QwtPicker 191 QwtPlotZoomer 340 activate QwtPlotLayout 277 addColorStop QwtLinearColorMap 156 addItem QwtDynGridLayout 120 alarmBrush QwtThermo 436 alarmColor QwtThermo 436 alarmEnabled QwtThermo 436 alarmLevel QwtThermo 436 align QwtLinearScaleEngine 159 alignCanvasToScales QwtPlotLayout 278 alignLegend QwtPlotLayout 278 Alignment QwtScaleDraw 365 alignment QwtScaleDraw 366 QwtScaleWidget 386 alignScales QwtPlotLayout 278 alpha QwtPlotRasterItem 309 append QwtPicker 191 QwtPlotPicker 299 appended QwtPicker 191 QwtPlotPicker 299 apply QwtPlotPrintFilter 306 applyProperties QwtPlot 216 arrowSize QwtArrowButton 53 arrowType QwtArrowButton 53 aspectRatio QwtPlotRescaler 314 attach QwtPlotItem 268 Attribute QwtScaleEngine 374 attributes QwtScaleEngine 375 autoDelete QwtPlotDict 257 autoRefresh QwtPlot 216 autoReplot QwtPlot 216 autoScale QwtAbstractScale 23 QwtLinearScaleEngine 159 QwtLog10ScaleEngine 161 QwtScaleEngine 375 Axis QwtPlot 215 axisAutoScale QwtPlot 217 axisEnabled QwtPlot 217 axisFont QwtPlot 217 axisMaxMajor QwtP
309. ng amp text static Wrapper for QPainter drawText 12 39 2 15 void QwtPainter drawText QPainter x painter int x int y int w int h int flags const QString amp text static Wrapper for QPainter drawText 12 39 2 16 void QwtPainter drawText QPainter x painter const QPoint amp pos const QString amp text static Wrapper for QPainter drawText 12 39 2 17 void QwtPainter drawText QPainter x painter int x int y const QString amp text static Wrapper for QPainter drawText 12 39 2 18 void QwtPainter fillRect QPainter x painter const QRect amp rect const QBrush amp brush static Wrapper for QPainter fillRect 12 39 2 19 const QwtMetricsMap QwtPainter metricsMap static Returns Metrics map 12 39 2 20 void QwtPainter resetMetricsMap static Reset the metrics map to the ratio 1 1 See also QwtPainter setMetricsMap QwtPainter resetMetricsMap Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 39 QwtPainter Class Reference 178 12 39 2 21 QPen QwtPainter scaledPen const QPen amp pen static Scale a pen according to the layout metrics The width of non cosmetic pens is scaled from screen to layout metrics so that they look similar on paint devices with different resolutions Parameters pen Unscaled pen Returns Scaled pen 12 39 2 22 void QwtPainter setClipRect QPainter x painter const QRect amp rec
310. ng mouse events into paint events 12 40 2 Constructor amp Destructor Documentation 12 40 2 1 QwtPanner QwtPanner QWidget parent Creates an panner that is enabled for the left mouse button Parameters parent Parent widget to be panned 12 40 2 2 QwtPanner QwtPanner virtual Destructor 12 40 3 Member Function Documentation 12 40 3 1 const QCursor QwtPanner cursor const Returns Cursor that is active while panning See also setCursor 12 40 3 2 bool QwtPanner eventFilter QObject x o QEvent xe virtual Event filter When isEnabled the mouse events of the observed widget are filtered See also widgetMousePressEvent widgetMouseReleaseEvent widgetMouseMoveEvent Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 40 QwtPanner Class Reference 181 12 40 3 3 void QwtPanner getAbortKey int amp key int amp state const Get the abort key 12 40 3 4 void QwtPanner getMouseButton int amp button int amp buttonState const Get the mouse button 12 40 3 5 bool QwtPanner isEnabled const Returns true when enabled false otherwise See also setEnabled eventFilter 12 40 3 6 bool QwtPanner isOrientationEnabled Qt Orientation 0 const Return true if a orientatio is enabled See also orientations setOrientations 12 40 3 7 void QwtPanner moved int dx intdy signal Signal emitted while the widget moved but pann
311. ngine const QwtScaleEngine scaleEngine const QwtScaleMap amp scaleMap const Protected Member Functions e void rescale double vmin double vmax double step 0 0 e void setAbstractScaleDraw QwtAbstractScaleDraw e const QwtAbstractScaleDraw x abstractScaleDraw const e QwtAbstractScaleDraw abstractScaleDraw e virtual void scaleChange 12 3 1 Detailed Description An abstract base class for classes containing a scale QwtAbstractScale is used to provide classes with a QwtScaleDraw and a QwtScaleDiv The QwtScaleDiv might be set explicitely or calculated by a QwtScaleEngine 12 3 2 Constructor amp Destructor Documentation 12 3 2 1 QwtAbstractScale QwtAbstractScale Constructor Creates a default QwtScaleDraw and a QwtLinearScaleEngine Autoscaling is enabled and the stepSize is initialized by 0 0 12 3 2 2 QwtAbstractScale QwtAbstractScale virtual Destructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 3 QwtAbstractScale Class Reference 23 12 3 3 Member Function Documentation 12 3 3 1 QwtAbstractScaleDraw QwtAbstractScale abstractScaleDraw protected Returns Scale draw See also setAbstractScaleDraw 12 3 3 2 const QwtAbstractScaleDraw QwtAbstractScale abstractScaleDraw const protected Returns Scale draw See also setAbstractScaleDraw 12 3 3 3 bool QwtAbstractScale autoScale const Returns true if aut
312. ngth Length of the needle direction Direction of the needle in degrees counter clockwise 12 15 4 3 void QwtCompassWindArrow drawStyle2Needle QPainter x painter const QPalette amp palette QPalette ColorGroup colorGroup const QPoint amp center int length double direction static Draw a compass needle Parameters painter Painter palette Palette colorGroup colorGroup center Center of the dial start position for the needle length Length of the needle direction Direction of the needle in degrees counter clockwise 12 16 QwtCounter Class Reference The Counter Widget include lt qwt_counter h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 16 QwtCounter Class Reference 71 Inheritance diagram for QwtCounter QwtDoubleRange QwiCounter Public Types e enum Button Button1 Button2 Button3 ButtonCnt Signals e void buttonReleased double value e void valueChanged double value Public Member Functions e QwtCounter QWidget parent NULL virtual QwtCounter bool editable const void setEditable bool void setNumButtons int n int numButtons const void setIncSteps QwtCounter Button btn int nSteps int incSteps QwtCounter Button btn const virtual void set Value double virtual QSize sizeHint const virtual void polish double step const void setStep double s double minVal const void setMin Value double
313. nifier getMouseButton int amp button int amp buttonState const See also setMouseButton 12 36 3 3 void QwtMagnifier getZoomInKey int amp key int amp modifiers const See also setZoomInKey 12 36 3 4 void QwtMagnifier getZoomOutKey int amp key int amp modifiers const See also setZoomOutKey Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 36 QwtMagnifier Class Reference 165 12 36 3 5 bool QwtMagnifier isEnabled const Returns true when enabled false otherwise See also setEnabled eventFilter 12 36 3 6 double QwtMagnifier keyFactor const Returns Key factor See also setKeyFactor 12 36 3 7 double QwtMagnifier mouseFactor const Returns Mouse factor See also setMouseFactor 12 36 3 8 const QWidget x QwtMagnifier parentWidget const Returns Parent widget where the rescaling happens 12 36 3 9 QWidget x QwtMagnifier parentWidget Returns Parent widget where the rescaling happens Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 36 QwtMagnifier Class Reference 166 12 36 3 10 virtual void QwtMagnifier rescale double factor protected pure virtual Rescale the parent widget Parameters factor Scale factor Implemented in QwtPlotMagnifier 12 36 3 11 void QwtMagnifier setEnabled bool on En disable the magnifier When enabled is true an event filter is
314. ning that work also fall under Section 6 whether or not they are linked directly with the Library itself 6 As an exception to the Sections above you may also combine or link a work that uses the Library with the Library to produce a work containing portions of the Library and distribute that work under terms of your choice provided that the terms permit modification of the work for the customer s own use and reverse engineering for debugging such modifications You must give prominent notice with each copy of the work that the Library is used in it and that the Library and its use are covered by this License You must supply a copy of this License If the work during execution displays copyright notices you must include the copyright notice for the Library among them as well as a reference directing the user to the copy of this License Also you must do one of these things a Accompany the work with the complete corresponding machine readable source code for the Library including whatever changes were used in the work which must be distributed under Sections 1 and 2 above and if the work is an executable linked with the Library with the complete machine readable work that uses the Library as object code and or source code so that the user can modify the Library and then relink to produce a modified executable containing the modified Library It is understood that the user who changes the contents of definitions files in the
315. nner QwtPlotCanvas x canvas explicit Create a plot panner The panner is enabled for all axes Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 58 QwtPlotPanner Class Reference 295 Parameters canvas Plot canvas to pan also the parent object See also setAxisEnabled 12 58 2 2 QwtPlotPanner QwtPlotPanner virtual Destructor 12 58 3 Member Function Documentation 12 58 3 1 const QwtPlotCanvas QwtPlotPanner canvas const Return Observed plot canvas 12 58 3 2 QwtPlotCanvas x QwtPlotPanner canvas Return observed plot canvas 12 58 3 3 bool QwtPlotPanner isAxisEnabled int axis const Test if an axis is enabled Parameters axis Axis see QwtPlot Axis Returns True if the axis is enabled See also setAxisEnabled moveCanvas 12 58 3 4 void QwtPlotPanner moveCanvas int dx int dy protected virtual slot Adjust the enabled axes according to dx dy Parameters dx Pixel offset in x direction dy Pixel offset in y direction See also QwtPanner panned Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 59 QwtPlotPicker Class Reference 296 12 58 3 5 const QwtPlot QwtPlotPanner plot const Return plot widget containing the observed plot canvas 12 58 3 6 QwtPlot x QwtPlotPanner plot Return plot widget containing the observed plot canvas 12 58 3 7 void QwtPlotPanner setAxisEnabled int axis
316. ns the symbol See also setSymbol QwtSymbol 12 57 4 23 QwtDoublePoint QwtPlotMarker value const Return Value 12 57 4 24 double QwtPlotMarker x Value const Return x Value 12 57 4 25 double QwtPlotMarker y Value const Return y Value 12 58 QwtPlotPanner Class Reference QwtPlotPanner provides panning of a plot canvas include lt qwt_plot_panner h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 58 QwtPlotPanner Class Reference 294 Inheritance diagram for QwtPlotPanner QwiPanner QwtPlotPanner Public Member Functions e QwtPlotPanner QwtPlotCanvas x virtual QwtPlotPanner QwtPlotCanvas canvas const QwtPlotCanvas canvas const QwtPlot x plot const QwtPlot x plot const void setAxisEnabled int axis bool on bool isAxisEnabled int axis const Protected Slots e virtual void moveCanvas int dx int dy 12 58 1 Detailed Description QwtPlotPanner provides panning of a plot canvas QwtPlotPanner is a panner for a QwtPlotCanvas that adjusts the scales of the axes after dropping the canvas on its new position Together with QwtPlotZoomer and QwtPlotMagnifier powerful ways of navigating on a QwtPlot widget can be implemented easily Note The axes are not updated while dragging the canvas See also QwtPlotZoomer QwtPlotMagnifier 12 58 2 Constructor amp Destructor Documentation 12 58 2 1 QwtPlotPanner QwtPlotPa
317. nse therefore permits such linking only if the entire combination fits its criteria of freedom The Lesser General Public License permits more lax criteria for linking other code with the library We call this license the Lesser General Public License because it does Less to protect the user s freedom than the ordinary General Public License It also provides other free software developers Less of an advantage over competing non free programs These disadvantages are the reason we use the ordinary General Public License for many libraries However the Lesser license provides advantages in certain special circumstances For example on rare occasions there may be a special need to encourage the widest possible use of a certain library so that it becomes a de facto standard To achieve this non free programs must be allowed to use the library A more frequent case is that a free library does the same job as widely used non free libraries In this Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 2 Qwt License Version 1 0 case there is little to gain by limiting the free library to free software only so we use the Lesser General Public License In other cases permission to use a particular library in non free programs enables a greater number of people to use a large body of free software For example permission to use the GNU C Library in non free programs enables many more people to use the whole GNU
318. nst Returns The curve pen See also setCurvePen 12 31 4 4 void QwtLegendItem drawldentifier QPainter painter const QRect rect const virtual Paint the identifier to a given rect Parameters painter Painter rect Rect where to paint 12 31 4 5 void QwtLegendItem drawlItem QPainter painter const QRect amp rect const virtual Draw the legend item to a given rect Parameters painter Painter rect Rect where to paint the button 12 31 4 6 void QwtLegendItem drawText QPainter x painter const QRect amp textRect protected virtual Redraw the text Reimplemented from QwtTextLabel Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 31 QwtLegendItem Class Reference 149 12 31 4 7 int QwtLegendItem identifierMode const Or d values of IdentifierMode See also setIdentifierMode IdentifierMode 12 31 4 8 int QwtLegendItem identifierWidth const Return the width of the identifier See also setIdentifierWidth 12 31 4 9 bool QwtLegendItem isChecked const Return true if the item is checked 12 31 4 10 bool QwtLegendItem isDown const protected Return true if the item is down 12 31 4 11 QwtLegend LegendItemMode QwtLegendItem itemMode const Return the item mode See also setltemMode 12 31 4 12 void QwtLegendItem keyPressEvent QKeyEvent xe protected virtual Handle key press events 12 31 4 13 void Q
319. nst const QSize amp size const Style style const void draw QPainter xp const QPoint amp pt const void draw QPainter xp int x int y const virtual void draw QPainter xp const QRect amp r const 12 82 1 Detailed Description A class for drawing symbols Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 82 QwtSymbol Class Reference 413 12 82 2 Member Enumeration Documentation 12 82 2 1 enum QwtSymbol Style Style See also setStyle styleQ 12 82 3 Constructor amp Destructor Documentation 12 82 3 1 QwtSymbol QwtSymbol Default Constructor The symbol is constructed with gray interior black outline with zero width no size and style NoSymbol 12 82 3 2 QwtSymbol QwtSymbol QwtSymbol Style style const QBrush amp brush const QPen amp pen const QSize amp size Constructor Parameters style Symbol Style brush brush to fill the interior pen outline pen size size 12 82 3 3 QwtSymbol QwtSymbol virtual Destructor 12 82 4 Member Function Documentation 12 82 4 1 const QBrush amp QwtSymbol brush const inline Return Brush 12 82 4 2 QwtSymbol x QwtSymbol clone const virtual Allocate and return a symbol with the same attributes Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 82 QwtSymbol Class Reference 414 Returns Cloned symbol 12 82 4 3 void QwtSymbol draw QPainter x painter
320. nst QwtDoubleRect amp const QString amp fileName bool loadData const QwtDoubleRect amp const QByteArray amp virtual QwtDoubleRect boundingRect const virtual void draw QPainter p const QwtScaleMap amp xMap const QwtScaleMap amp yMap const QRect amp rect const virtual int rtti const Protected Member Functions e void render QPainter painter const QwtDoubleRect amp viewBox const QRect amp rect const e QwtDoubleRect viewBox const QwtDoubleRect amp area const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 65 QwtPlotSvgltem Class Reference 335 12 65 1 Detailed Description A plot item which displays data in Scalable Vector Graphics SVG format SVG images are often used to display maps 12 65 2 Constructor amp Destructor Documentation 12 65 2 1 QwtPlotSvgltem QwtPlotSvgltem const QString amp title QString null explicit Constructor Sets the following item attributes e QwtPlotltem AutoScale true e QwtPlotltem Legend false Parameters title Title 12 65 2 2 QwtPlotSvgItem QwtPlotSvgItem const QwtText amp title explicit Constructor Sets the following item attributes e QwtPlotltem AutoScale true e QwtPlotltem Legend false Parameters title Title 12 65 2 3 QwtPlotSvgltem QwtPlotSvgltem virtual Destructor 12 65 3 Member Function Documentation 12 65 3 1 QwtDoubleRect QwtPlotSvgltem boundingRect
321. nt 54 num 54 paintEvent 54 QwtArrowButton 53 sizeHint 54 QwtClipper 55 clipCircle 55 clipPolygon 55 clipPolygonF 56 QwtColorMap 56 QwtColorMap 57 color 58 colorIndex 58 colorTable 58 copy 58 Format 57 format 59 QwtColorMap 57 rgb 59 QwtCompass 59 QwtCompass 61 drawRose 61 drawScaleContents 61 keyPressEvent 61 labelMap 62 QwtCompass 61 rose 62 scaleLabel 63 setLabelMap 63 setRose 63 QwtCompassMagnetNeedle 64 draw 65 drawPointer 66 drawThinNeedle 66 drawTriangleNeedle 66 QwtCompassMagnetNeedle 65 Style 65 QwtCompassRose 67 draw 67 palette 68 setPalette 68 QwtCompassWindArrow 68 draw 69 drawStyle1 Needle 70 drawStyle2Needle 70 QwtCompassWindArrow 69 Style 69 QwtCounter 70 QwtCounter 73 Button 72 buttonReleased 73 editable 73 event 73 incSteps 73 keyPressEvent 73 max Val 74 minVal 74 numButtons 74 polish 74 QwtCounter 72 rangeChange 74 setEditable 74 setIncSteps 75 setMax Value 75 setMin Value 75 setNumButtons 75 setStep 75 setStepButtonl 76 setStepButton2 76 setStepButton3 76 set Value 76 sizeHint 76 step 77 stepButtonl 77 stepButton2 77 stepButton3 77 value 77 valueChanged 77 wheelEvent 77 QwtCPointerData 78 boundingRect 79 copy 79 operator 79 QwtCPointerData 78 size 79 x 79 xData 80 y 80 yData 80 QwtCurveFitter 80 Generated on Sun Apr 11 11 55 09 2010 for Q
322. nt int amp start int amp end const Determine the minimum border distance This member function returns the minimum space needed to draw the mark labels at the scale s endpoints Parameters font Font start Start border distance end End border distance 12 73 4 8 Qt Alignment QwtScaleDraw labelAlignment const Returns the label flags See also setLabelAlignment labelRotation 12 73 4 9 QMatrix QwtScaleDraw labelMatrix const QPoint amp pos const QSize amp size const protected Calculate the matrix that is needed to paint a label depending on its alignment and rotation Parameters pos Position where to paint the label size Size of the label See also setLabelAlignment setLabelRotation 12 73 4 10 QPoint QwtScaleDraw labelPosition double value const Find the position where to paint a label The position has a distance of majTickLength spacing 1 from the backbone The direction depends on the alignment Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 73 QwtScaleDraw Class Reference 369 Parameters value Value 12 73 4 11 QRect QwtScaleDraw labelRect const QFont amp font double value const Find the bounding rect for the label The coordinates of the rect are relative to spacing ticklength from the backbone in direction of the tick Parameters font Font used for painting value Value 12 73 4 12 double QwtScaleDraw l
323. nt component const Check if a component is enabled See also enableComponent Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 4 QwtAbstractScaleDraw Class Reference 31 12 4 4 8 void QwtAbstractScaleDraw invalidateCache protected Invalidate the cache used by QwtAbstractScaleDraw tickLabel The cache is invalidated when a new QwtScaleDiv is set If the labels need to be changed while the same QwtScaleDiv is set QwtAbstractScaleDraw invalidateCache needs to be called manually 12 4 4 9 QwtText QwtAbstractScaleDraw label double value const virtual Convert a value into its representing label The value is converted to a plain text using QLocale system toString value This method is often over loaded by applications to have individual labels Parameters value Value Returns Label string Reimplemented in QwtDialScaleDraw 12 4 4 10 int QwtAbstractScaleDraw majTickLength const The same as QwtAbstractScaleDraw tickLength QwtScaleDiv MajorTick 12 4 4 11 const QwtScaleMap amp QwtAbstractScaleDraw map const Returns Map how to translate between scale and pixel values 12 4 4 12 int QwtAbstractScaleDraw minimumExtent const Get the minimum extent See also extent setMinimumExtent 12 4 4 13 QwtAbstractScaleDraw amp QwtAbstractScaleDraw operator const QwtAbstractScaleDraw amp other Assignment operator Generated on Sun Apr
324. nt_pattern h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 2 QwtEventPattern MousePattern Class Reference 21 Public Member Functions e KeyPattern int k 0 int st Qt NoButton Public Attributes e int key e int state 12 1 1 Detailed Description A pattern for key events 12 2 QwtEventPattern MousePattern Class Reference A pattern for mouse events include lt qwt_event_pattern h gt Public Member Functions e MousePattern int btn Qt NoButton int st Qt NoButton Public Attributes e int button e int state 12 2 1 Detailed Description A pattern for mouse events 12 3 QwtAbstractScale Class Reference An abstract base class for classes containing a scale include lt qwt_abstract_scale h gt Inheritance diagram for QwtAbstractScale QwtAbstractScale Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 3 QwtAbstractScale Class Reference 22 Public Member Functions e QwtAbstractScale virtual QwtAbstractScale void setScale double vmin double vmax double step 0 0 void setScale const QwtDoubleInterval amp double step 0 0 void setScale const QwtScaleDiv amp s void setAutoScale bool autoScale const void setScaleMax Major int ticks int scaleMaxMinor const void setScaleMaxMinor int ticks int scaleMaxMajor const void setScaleEngine QwtScaleEngine const QwtScaleEngine x scaleE
325. nterData yData const Returns Array of the y values 12 18 QwtCurveFitter Class Reference Abstract base class for a curve fitter include lt qwt_curve_fitter h gt Inheritance diagram for QwtCurveFitter QwtCurveFitter QwtSplineCurveFitter Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 19 QwtData Class Reference 81 Public Member Functions e virtual QwtCurveFitter e virtual QPolygonF fitCurve const QPolygonF amp polygon const 0 Protected Member Functions e QwtCurveFitter 12 18 1 Detailed Description Abstract base class for a curve fitter 12 18 2 Constructor amp Destructor Documentation 12 18 2 1 QwtCurveFitter QwtCurveFitter virtual Destructor 12 18 2 2 QwtCurveFitter QwtCurveFitter protected Constructor 12 18 3 Member Function Documentation 12 18 3 1 virtual QPolygonF QwtCurveFitter fitCurve const QPolygonF amp polygon const pure virtual Find a curve which has the best fit to a series of data points Parameters polygon Series of data points Returns Curve points Implemented in QwtSplineCurveFitter 12 19 QwtData Class Reference QwtData defines an interface to any type of curve data include lt qwt_data h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 19 QwtData Class Reference 82 Inheritance diagram for QwtData QwtData QwtArrayData QwtC
326. oButton Parameters buttonState Button state See also wheelButtonState 12 36 3 16 void QwtMagnifier setWheelFactor double factor Change the wheel factor The wheel factor defines the ratio between the current range on the parent widget and the zoomed range for each step of the wheel The default value is 0 9 Parameters factor Wheel factor See also wheelFactor setWheelButtonState setMouseFactor setKeyFactor 12 36 3 17 void QwtMagnifier setZoomInKey int key int modifiers Assign the key that is used for zooming in The default combination is Qt Key_Plus Qt NoModifier Parameters key Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 36 QwtMagnifier Class Reference 168 modifiers See also getZoomInKey setZoomOutKey 12 36 3 18 void QwtMagnifier setZoomOutKey int key int modifiers Assign the key that is used for zooming out The default combination is Qt Key_Minus Qt NoModifier Parameters key modifiers See also getZoomOutKey setZoomOutKey 12 36 3 19 int QwtMagnifier wheelButtonState const Returns Wheel button state See also setWheelButtonState 12 36 3 20 double QwtMagnifier wheelFactor const Returns Wheel factor See also setWheelFactor 12 36 3 21 void QwtMagnifier widgetKeyPressEvent QKeyEvent x ke protected virtual Handle a key press event for the observed widget Parameters ke K
327. ock 49 setTitle QwtPlot 233 QwtPlotltem 271 272 QwtScaleWidget 392 setTotalAngle QwtKnob 138 QwtWheel 449 setTrackerFont QwtPicker 197 setTrackerMode QwtPicker 197 setTrackerPen QwtPicker 198 setTracking QwtAbstractSlider 40 setTransformation QwtAbstractScaleDraw 33 QwtScaleMap 382 setUpdateTime QwtAbstractSlider 40 set Valid QwtAbstractSlider 41 QwtDoubleRange 117 set Value QwtAbstractSlider 41 QwtCounter 76 QwtDoubleRange 117 QwtPlotMarker 292 QwtThermo 443 setViewAngle QwtWheel 449 set Visible QwtPlotItem 272 setWheelButtonState QwtMagnifier 167 setWheelFactor QwtMagnifier 167 setWheel Width QwtWheel 449 setWidth QwtDialSimpleNeedle 104 QwtSimpleCompassRose 396 setWrapping QwtDial 97 setX Axis QwtPlotItem 272 setXDiv QwtPlotGrid 263 setX Value QwtPlotMarker 292 setYAxis QwtPlotltem 272 setY Div QwtPlotGrid 263 setY Value QwtPlotMarker 292 setZ QwtPlotltem 273 setZoomBase QwtPlotZoomer 343 setZoomInKey QwtMagnifier 167 setZoomOutKey QwtMagnifier 168 Shadow QwtDial 87 show QwtPlotItem 273 showBackground QwtDial 97 size QwtArrayData 51 QwtCPointerData 79 QwtData 83 QwtIntervalData 133 QwtPolygonFData 346 QwtSymbol 416 sizeHint QwtArrowButton 54 QwtCounter 76 QwtDial 98 QwtDynGridLayout 123 QwtKnob 138 QwtLegend 145 QwtLegendItem 152 QwtPlot 233 QwtScaleWidget 393 QwtSlider 404 QwtTextLabel 433 QwtThe
328. ode ScrNone ScrMouse ScrTimer ScrDirect ScrPage Public Slots e virtual void setValue double val e virtual void fitValue double val e virtual void inc Value int steps e virtual void setReadOnly bool Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 5 QwtAbstractSlider Class Reference 35 Signals e void valueChanged double value e void sliderPressed e void sliderReleased e void sliderMoved double value Public Member Functions e QwtAbstractSlider Qt Orientation QWidget parent NULL virtual QwtAbstractSlider void setUpdateTime int t void stopMoving void setTracking bool enable virtual void setMass double val virtual double mass const virtual void setOrientation Qt Orientation 0 Qt Orientation orientation const bool isReadOnly const bool is Valid const void set Valid bool valid Protected Member Functions virtual void setPosition const QPoint amp virtual void valueChange virtual void timerEvent QTimerEvent e virtual void mousePressEvent QMouseEvent xe virtual void mouseReleaseEvent QMouseEvent xe virtual void mouseMoveEvent QMouseEvent xe virtual void keyPressEvent QKeyEvent e virtual void wheelEvent QWheelEvent xe virtual double getValue const QPoint amp p 0 virtual void getScrollMode const QPoint amp p int amp scrollMode int amp direction 0 void setMouseOffset double double mou
329. of a QwtPlot according to fixed aspect ratios 12 62 2 Member Enumeration Documentation 12 62 2 1 enum QwtPlotRescaler RescalePolicy Rescale Policy The rescale policy defines how to rescale the reference axis and their depending axes e Fixed The interval of the reference axis remains unchanged when the geometry of the canvas changes All other axes will be adjusted according to their aspect ratio e Expanding The interval of the reference axis will be shrinked expanded when the geometry of the canvas changes All other axes will be adjusted according to their aspect ratio The interval that is represented by one pixel is fixed e Fitting The intervals of the axes are calculated so that all axes include their minimal interval 12 62 3 Constructor amp Destructor Documentation 12 62 3 1 QwtPlotRescaler QwtPlotRescaler QwtPlotCanvas x canvas int referenceAxis QwtPlot xBottom RescalePolicy policy Expanding explicit Constructor Parameters canvas Canvas referenceAxis Reference axis see RescalePolicy policy Rescale policy See also setRescalePolicy setReferenceAxis 12 62 3 2 QwtPlotRescaler QwtPlotRescaler virtual Destructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 62 QwtPlotRescaler Class Reference 314 12 62 4 Member Function Documentation 12 62 4 1 double QwtPlotRescaler aspectRatio int axis const Return aspect ratio between an
330. oid and will automatically terminate your rights under this License However parties who have received copies or rights from you under this License will not have their licenses terminated so long as such parties remain in full compliance 9 You are not required to accept this License since you have not signed it However nothing else grants you permission to modify or distribute the Library or its derivative works These actions are prohibited by law if you do not accept this License Therefore by modifying or distributing the Library or any work based on the Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 2 Qwt License Version 1 0 Library you indicate your acceptance of this License to do so and all its terms and conditions for copying distributing or modifying the Library or works based on it 10 Each time you redistribute the Library or any work based on the Library the recipient automatically receives a license from the original licensor to copy distribute link with or modify the Library subject to these terms and conditions You may not impose any further restrictions on the recipients exercise of the rights granted herein You are not responsible for enforcing compliance by third parties with this License 11 If as a consequence of a court judgment or allegation of patent infringement or for any other reason not limited to patent issues conditions are imposed on you whether by
331. oints remain un changed The default mode is Stretch Parameters mode Resize mode See also resizeMode ResizeMode Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 197 12 41 4 27 void QwtPicker setRubberBand RubberBand rubberBand virtual Set the rubberband style Parameters rubberBand Rubberband style The default value is NoRubberBand See also rubberBand RubberBand setRubberBandPen 12 41 4 28 void QwtPicker setRubberBandPen const QPen amp pen virtual Set the pen for the rubberband Parameters pen Rubberband pen See also rubberBandPen setRubberBand 12 41 4 29 void QwtPicker setSelectionFlags int flags virtual Set the selection flags Parameters flags Or d value of SelectionType RectSelectionType and SelectionMode The default value is NoS election See also selectionFlags SelectionType RectSelectionType SelectionMode Reimplemented in QwtPlotZoomer 12 41 4 30 void QwtPicker setTrackerFont const QFont amp font virtual Set the font for the tracker Parameters font Tracker font See also trackerFont setTrackerMode setTrackerPen Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 198 12 41 4 31 void QwtPicker setTrackerMode DisplayMode mode virtual Set the display mode of the tracker A tracker displays
332. olorStop double value const QColor amp color Add a color stop The value has to be in the range 0 0 1 0 Fe a stop at position 17 0 for a range 10 0 20 0 must be passed as 17 0 10 0 20 0 10 0 Parameters value Value between 0 0 1 0 color Color stop 12 33 42 QColor QwtLinearColorMap color1 const Returns the first color of the color range See also setColorInterval Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 33 QwtLinearColorMap Class Reference 157 12 33 4 3 QColor QwtLinearColorMap color2 const Returns the second color of the color range See also setColorInterval 12 33 4 4 unsigned char QwtLinearColorMap colorIndex const QwtDoublelnterval amp interval double value const virtual Map a value of a given interval into a color index between 0 and 255 Parameters interval Range for all values value Value to map into a color index Implements QwtColorMap 12 33 4 5 QwtArray lt double gt QwtLinearColorMap colorStops const Return all positions of color stops in increasing order 12 33 4 6 QwtColorMap QwtLinearColorMap copy const virtual Clone the color map Implements QwtColorMap 12 33 4 7 QwtLinearColorMap Mode QwtLinearColorMap mode const Returns Mode of the color map See also setMode 12 33 4 8 QwtLinearColorMap amp QwtLinearColorMap operator const QwtLinearColorMap amp other A
333. on 12 87 3 8 double QwtWheel mass const virtual Returns mass Reimplemented from QwtAbstractSlider 12 87 3 9 QSize QwtWheel minimumSizeHint const virtual Return a minimum size hint Warning The return value is based on the wheel width 12 87 3 10 void QwtWheel paintEvent QPaintEvent xe protected virtual Qt Paint Event 12 87 3 11 void QwtWheel paletteChange const QPalette amp protected virtual Call update when the palette changes 12 87 3 12 void QwtWheel resizeEvent QResizeEvent xe protected virtual Qt Resize Event 12 87 3 13 void QwtWheel setColorArray protected Set up the color array for the background pixmap Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 87 QwtWheel Class Reference 448 12 87 3 14 void QwtWheel setInternalBorder int w Set the internal border width of the wheel The internal border must not be smaller than 1 and is limited in dependence on the wheel s size Values outside the allowed range will be clipped The internal border defaults to 2 Parameters w border width See also internalBorder 12 87 3 15 void QwtWheel setMass double val virtual Set the mass of the wheel Assigning a mass turns the wheel into a flywheel Parameters val the wheel s mass Reimplemented from QwtAbstractSlider 12 87 3 16 void QwtWheel setOrientation Qt Orientation o virtual Set the whee
334. on that will be requested The default implementation does nothing but for data sets that are stored in files it might be good idea to reimplement initRaster where the data is resampled and loaded into memory Parameters rect Area of the raster raster Number of horizontal and vertical pixels See also initRaster value 12 68 4 6 virtual QwtDoubleInterval QwtRasterData range const pure virtual Returns the range of the values 12 68 4 7 QSize QwtRasterData rasterHint const QwtDoubleRect amp const virtual Find the raster of the data for an area The resolution is the number of horizontal and vertical pixels that the data can return for an area An invalid resolution indicates that the data can return values for any detail level The resolution will limit the size of the image that is rendered from the data F e this might be important when printing a spectrogram to a AO printer with 600 dpi The default implementation returns an invalid resolution size Parameters rect In most implementations the resolution of the data doesn t depend on the requested rectangle Returns Resolution as number of horizontal and vertical pixels Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 69 QwtRichTextEngine Class Reference 351 12 68 4 8 void QwtRasterData setBoundingRect const QwtDoubleRect amp boundingRect virtual Set the bounding rect area un plot coordinates
335. onst int minLabelDist const QFont amp const int minLength const QPen amp const QFont amp const virtual int extent const QPen amp const QFont amp const void move int x int y void move const QPoint amp void setLength int length Alignment alignment const void setAlignment Alignment Qt Orientation orientation const QPoint pos const int length const void setLabelAlignment Qt Alignment Qt Alignment labelAlignment const void setLabelRotation double rotation double labelRotation const int maxLabelHeight const QFont amp const int maxLabelWidth const QFont amp const e QPoint labelPosition double val const e QRect labelRect const QFont amp double val const e QSize labelSize const QFont amp double val const e QRect boundingLabelRect const QFont amp double val const Protected Member Functions e QMatrix labelMatrix const QPoint amp const QSize amp const e virtual void drawTick QPainter xp double val int len const e virtual void drawBackbone QPainter p const e virtual void drawLabel QPainter p double val const 12 73 1 Detailed Description A class for drawing scales QwtScaleDraw can be used to draw linear or logarithmic scales A scale has a position an alignment and a length which can be specified The labels can be rotated and aligned to the ticks using setLabelRotation and setLabelAlignment After a scale division has been spe
336. or has been changed to a accepted rectangle Reimplemented from QwtPicker 12 66 3 2 void QwtPlotZoomer begin protected virtual Rejects selections when the stack depth is too deep or the zoomed rectangle is minZoomSize See also minZoomSize maxStackDepth Reimplemented from QwtPicker 12 66 3 3 bool QwtPlotZoomer end bool ok true protected virtual Expand the selected rectangle to minZoomSize and zoom in if accepted Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 66 QwtPlotZoomer Class Reference 341 See also accept minZoomSize Reimplemented from QwtPlotPicker 12 66 3 4 int QwtPlotZoomer maxStackDepth const Returns Maximal depth of the zoom stack See also setMaxStackDepth 12 66 3 5 QwtDoubleSize QwtPlotZoomer minZoomSize const protected virtual Limit zooming by a minimum rectangle Returns zoomBase width 10e4 zoomBase height 10e4 12 66 3 6 void QwtPlotZoomer move double x double y virtual slot Move the the current zoom rectangle Parameters x X value y Y value See also QwtDoubleRect move Note The changed rectangle is limited by the zoom base 12 66 3 7 void QwtPlotZoomer moveBy double dx double dy slot Move the current zoom rectangle Parameters dx X offset Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 66 QwtPlotZoomer Class Reference
337. orizontal axes and as x value for vertical axes The border distance is set to 1 Parameters pos New position See also position setAlignment 12 63 3 16 void QwtPlotScaleltem setScaleDiv const QwtScaleDiv amp scaleDiv Assign a scale division When assigning a scaleDiv the scale division won t be synchronized with the corresponding axis anymore Parameters scaleDiv Scale division See also scaleDiv setScaleDivFromAxis isScaleDivFromAxis 12 63 3 17 void QwtPlotScaleltem setScaleDivFromA xis bool on Enable Disable the synchronization of the scale division with the corresponding axis Parameters on true false Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 64 QwtPlotSpectrogram Class Reference 325 See also isScaleDivFromAxis 12 63 3 18 void QwtPlotScaleltem setScaleDraw QwtScaleDraw x scaleDraw Set a scale draw Parameters scaleDraw object responsible for drawing scales The main use case for replacing the default QwtScaleDraw is to overload QwtAbstractScaleDraw label to replace or swallow tick labels See also scaleDraw 12 63 3 19 void QwtPlotScaleItem updateScaleDiv const QwtScaleDiv amp xScaleDiv const QwtScaleDiv amp yScaleDiv virtual Update the item to changes of the axes scale division In case of isScaleDivFromAxis the scale draw is synchronized to the correspond axis Parameters xScaleDiv Scale divisio
338. oscaling is enabled 12 3 3 4 void QwtAbstractScale rescale double vmin double vmax double stepSize 0 0 protected Recalculate the scale division and update the scale draw Parameters vmin Lower limit of the scale interval vmax Upper limit of the scale interval stepSize Major step size See also scaleChange Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 3 QwtAbstractScale Class Reference 24 12 3 3 5 void QwtAbstractScale scaleChange protected virtual Notify changed scale Dummy empty implementation intended to be overloaded by derived classes Reimplemented in QwtSlider and QwtThermo 12 3 3 6 QwtScaleEngine QwtAbstractScale scaleEngine Returns Scale engine See also setScaleEngine 12 3 3 7 const QwtScaleEngine QwtAbstractScale scaleEngine const Returns Scale engine See also setScaleEngine 12 3 3 8 const QwtScaleMap amp QwtAbstractScale scaleMap const Returns abstractScaleDraw gt scaleMap 12 3 3 9 int QwtAbstractScale scaleMaxMajor const Returns Max number of major tick intervals The default value is 5 12 3 3 10 int QwtAbstractScale scaleMaxMinor const Returns Max number of minor tick intervals The default value is 3 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 3 QwtAbstractScale Class Reference 25 12 3 3 11 void QwtAbstractScale setAbstractScaleDr
339. p e static QwtArray lt QwtDoublelInterval gt clipCircle const QwtDoubleRect amp const QwtDouble Point amp double radius 12 10 1 Detailed Description Some clipping algos 12 10 2 Member Function Documentation 12 10 2 1 QwtArray lt QwtDoubleInterval gt QwtClipper clipCircle const QwtDoubleRect amp clipRect const QwtDoublePoint amp center double radius static Circle clipping clipCircle devides a circle into intervals of angles representing arcs of the circle When the circle is completely inside the clip rectangle an interval 0 0 2 x M_PI is returned Parameters clipRect Clip rectangle center Center of the circle radius Radius of the circle Returns Arcs of the circle 12 10 2 2 QwtPolygon QwtClipper clipPolygon const QRect amp clipRect const QwtPolygon amp polygon static Sutherland Hodgman polygon clipping Parameters clipRect Clip rectangle Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 11 QwtColorMap Class Reference 56 polygon Polygon Returns Clipped polygon 12 10 2 3 QwtPolygonF QwtClipper clipPolygonF const QwtDoubleRect amp clipRect const QwtPolygonF amp polygon static Sutherland Hodgman polygon clipping Parameters clipRect Clip rectangle polygon Polygon Returns Clipped polygon 12 11 QwtColorMap Class Reference QwtColorMap is used to map values into colors include lt qwt_color_map h gt Inherit
340. p font int flags const QString amp text const virtual Returns the size that is needed to render text Parameters font Font of the text flags Bitwise OR of the flags used like in QPainter drawText text Text to be rendered Returns Caluclated size Implements QwtTextEngine 12 70 QwtRoundScaleDraw Class Reference A class for drawing round scales include lt qwt_round_scale_draw h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 70 QwtRoundScaleDraw Class Reference 354 Inheritance diagram for QwtRoundScaleDraw QwtAbstractScaleDraw QwtRoundScaleDraw QwiDialScaleDraw Public Member Functions e QwtRoundScaleDraw e QwtRoundScaleDraw const QwtRoundScaleDraw amp virtual QwtRoundScaleDraw QwtRoundScaleDraw amp operator const QwtRoundScaleDraw amp other void setRadius int radius int radius const void moveCenter int x int y void moveCenter const QPoint amp QPoint center const void setAngleRange double angle1 double angle2 virtual int extent const QPen amp const QFont amp const Protected Member Functions e virtual void drawTick QPainter xp double val int len const e virtual void drawBackbone QPainter p const e virtual void drawLabel QPainter p double val const 12 70 1 Detailed Description A class for drawing round scales QwtRoundScaleDraw can be used to draw round scales The circle segment can be ad
341. pinBox but not like it is used in QDial Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 21 QwtDialNeedle Class Reference 99 12 21 QwtDialNeedle Class Reference Base class for needles that can be used in a QwtDial include lt qwt_dial_needle h gt Inheritance diagram for QwtDialNeedle QwtDialNeedle QwiCompassMagnetNeedle QwiCompassWindArrow QwtDialSimpleNeedle Public Member Functions e QwtDialNeedle e virtual QwtDialNeedle e virtual void draw QPainter painter const QPoint amp center int length double direction QPalette ColorGroup cg QPalette Active const 0 e virtual void setPalette const QPalette amp e const QPalette amp palette const Static Protected Member Functions e static void drawKnob QPainter x const QPoint amp pos int width const QBrush amp bool sunken 12 21 1 Detailed Description Base class for needles that can be used in a QwtDial QwtDialNeedle is a pointer that indicates a value by pointing to a specific direction Qwt is missing a set of good looking needles Contributions are very welcome See also QwtDial QwtCompass 12 21 2 Constructor amp Destructor Documentation 12 21 2 1 QwtDialNeedle QwtDialNeedle Constructor 12 21 2 2 QwtDialNeedle QwtDialNeedle virtual Destructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 22 QwtDialScaleDraw Class Reference 100
342. ppend const QPoint amp e virtual void move const QPoint amp e virtual bool end bool ok true e virtual void reset e virtual void widgetMousePressEvent QMouseEvent x e virtual void widgetMouseReleaseEvent QMouseEvent x e virtual void widgetMouseDoubleClickEvent QMouseEvent x e virtual void widgetMouseMoveEvent QMouseE vent x e virtual void widgetWheelEvent QWheelEvent x e virtual void widgetKeyPressEvent QKeyEvent x e virtual void widgetKeyReleaseEvent QKeyEvent x e virtual void widgetLeaveEvent QEvent x e virtual void stretchSelection const QSize amp oldSize const QSize amp newSize e virtual QwtPickerMachine x stateMachine int const e virtual void updateDisplay e const QWidget x rubberBandWidget const e const QWidget trackerWidget const 12 41 1 Detailed Description QwtPicker provides selections on a widget QwtPicker filters all mouse and keyboard events of a widget and translates them into an array of selected points Depending on the QwtPicker SelectionType the se lection might be a single point a rectangle or a polygon The selection process is supported by optional rubberbands rubberband selection and position trackers QwtPicker is useful for widgets where the event handlers can t be overloaded like for components of composite widgets It offers alternative handlers for mouse and key events Example include lt qwt_picker h gt QwtPicker picker new QwtPicker widget
343. r 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 32 QwtLegendItemManager Class Reference 153 12 32 QwtLegendItemManager Class Reference Abstract API to bind plot items to the legend include lt qwt_legend_itemmanager h gt Inheritance diagram for QwtLegendItemManager QwiLegendltemManager QwiPlotltem QwtPlotSpectrogram Public Member Functions e QwtLegendItemManager e virtual QwtLegendItemManager e virtual void updateLegend QwtLegend legend const 0 e virtual QWidget legendItem const 0 12 32 1 Detailed Description Abstract API to bind plot items to the legend 12 32 2 Constructor amp Destructor Documentation 12 32 2 1 QwtLegendItemManager QwtLegendItemManager inline Constructor 12 32 2 2 virtual QwtLegendItemManager QwtLegendItemManager inline virtual Destructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 33 QwtLinearColorMap Class Reference 154 12 32 3 Member Function Documentation 12 32 3 1 virtual QWidget QwtLegendItemManager legendItem const pure virtual Allocate the widget that represents the item on the legend Returns Allocated widget See also updateLegend QwtLegend Implemented in QwtPlotItem 12 32 3 2 virtual void QwtLegendItemManager updateLegend QwtLegend legend const pure virtual Update the widget that represents the item on the legend Parameters legend Legend
344. r Painter Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 70 QwtRoundScaleDraw Class Reference 356 value Value See also drawTick drawBackbone Implements QwtAbstractScaleDraw 12 70 3 4 void QwtRoundScaleDraw drawTick QPainter x painter double value int len const protected virtual Draw a tick Parameters painter Painter value Value of the tick len Lenght of the tick See also drawBackbone drawLabel Implements QwtAbstractScaleDraw 12 70 3 5 int QwtRoundScaleDraw extent const QPen amp pen const QFont amp font const virtual Calculate the extent of the scale The extent is the distcance between the baseline to the outermost pixel of the scale draw radius extent is an upper limit for the radius of the bounding circle Parameters pen Pen that is used for painting backbone and ticks font Font used for painting the labels See also setMinimumExtent minimumExtent Warning The implemented algo is not too smart and calculates only an upper limit that might be a few pixels too large Implements QwtAbstractScaleDraw 12 70 3 6 void QwtRoundScaleDraw moveCenter const QPoint amp center Move the center of the scale draw leaving the radius unchanged Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 70 QwtRoundScaleDraw Class Reference 357 Parameters center New center See also setRadius
345. rData QwtRasterData const QwtDoubleRect amp boundingRect Constructor Parameters boundingRect Bounding rectangle See also setBoundingRect 12 68 3 3 QwtRasterData QwtRasterData virtual Destructor 12 68 4 Member Function Documentation 12 68 4 1 QwtDoubleRect QwtRasterData boundingRect const Returns Bounding rectangle See also boundingRect 12 68 4 2 QwtRasterData ContourLines QwtRasterData contourLines const QwtDoubleRect amp rect const QSize amp raster const QList lt double gt levels int flags const virtual Calculate contour lines An adaption of CONREC a simple contouring algorithm http local wasp uwa edu au pbourke papers c 12 68 4 3 virtual QwtRasterData QwtRasterData copy const pure virtual Clone the data 12 68 4 4 void QwtRasterData discardRaster virtual Discard a raster Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 68 QwtRasterData Class Reference 350 After the composition of an image QwtPlotSpectrogram calls discardRaster The default implementation does nothing but if data has been loaded in initRaster it could deleted now See also initRaster value 12 68 4 5 void QwtRasterData initRaster const QwtDoubleRect amp const QSize amp raster virtual Initialize a raster Before the composition of an image QwtPlotSpectrogram calls initRaster announcing the area and its resoluti
346. ractSlider incValue int steps virtual slot Increment the value by a specified number of steps Parameters steps number of steps See also setValue Reimplemented from QwtDoubleRange Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 5 QwtAbstractSlider Class Reference 38 12 5 4 5 bool QwtAbstractSlider isReadOnly const In read only mode the slider can t be controlled by mouse or keyboard Returns true if read only See also setReadOnly 12 5 4 6 bool QwtAbstractSlider isValid const inline See also QwtDblRange isValid Reimplemented from QwtDoubleRange 12 5 4 7 void QwtAbstractSlider keyPressEvent QKeyEvent xe protected virtual Handles key events e Key_Down KeyLeft Decrement by 1 e Key_Up Key_Right Increment by 1 Parameters e Key event See also isReadOnly Reimplemented in QwtCompass and QwtDial 12 5 4 8 double QwtAbstractSlider mass const virtual Returns mass See also setMass Reimplemented in QwtWheel Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 5 QwtAbstractSlider Class Reference 39 12 5 4 9 void QwtAbstractSlider mouseMoveEvent QMouseEvent xe protected virtual Mouse Move Event handler Parameters e Mouse event 12 5 4 10 void QwtAbstractSlider mousePressEvent QMouseEvent x e protected virtual Mouse press event handler Parameters
347. rameters title New title See also title Warning The title flags are interpreted in direction of the label AlignTop AlignBottom can t be set as the title will always be aligned to the scale Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 77 QwtScaleWidget Class Reference 393 12 77 3 29 void QwtScale Widget setTitle const QString amp title Give title new text contents Parameters title New title See also title setTitle const QwtText 82 12 77 3 30 QSize QwtScaleWidget sizeHint const virtual Returns a size hint 12 77 3 31 int QwtScaleWidget spacing const Returns distance between scale and title See also setMargin 12 77 3 32 int QwtScaleWidget startBorderDist const Returns start border distance See also setBorderDist 12 77 3 33 QwtText QwtScaleWidget title const Returns title See also setTitle Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 78 QwtSimpleCompassRose Class Reference 394 12 77 3 34 int QwtScale Widget titleHeightForWidth int width const Find the height of the title for a given width Parameters width Width Returns height Height 12 78 QwtSimpleCompassRose Class Reference A simple rose for QwtCompass include lt qwt_compass_rose h gt Inheritance diagram for QwtSimpleCompassRose QwtCompassRose QwtSimpleCompassRose Publi
348. raw scaleDraw const QwtRoundScaleDraw x scaleDraw Protected Member Functions virtual void paintEvent QPaintEvent xe virtual void resizeEvent QResizeEvent xe void draw QPainter xp const QRect amp ur void drawKnob QPainter p const QRect amp r void drawMarker QPainter xp double arc const QColor amp c 12 29 1 Detailed Description The Knob Widget The QwtKnob widget imitates look and behaviour of a volume knob on a radio It contains a scale around the knob which is set up automatically or can be configured manually see QwtAb stractScale Automatic scrolling is enabled when the user presses a mouse button on the scale For a description of signals slots and other members see QwtAbstractSlider See also QwtAbstractSlider and QwtAbstractScale for the descriptions of the inherited members 12 29 2 Member Enumeration Documentation 12 29 2 1 enum QwtKnob Symbol See also Symbol QwtKnob QwtKnob 12 29 3 Constructor amp Destructor Documentation 12 29 3 1 QwtKnob QwtKnob QWidget parent NULL explicit Constructor Parameters parent Parent widget Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 29 QwtKnob Class Reference 136 12 29 3 2 QwtKnob QwtKnob virtual Destructor 12 29 4 Member Function Documentation 12 29 4 1 int QwtKnob border Width const Return the border width 12 29 4 2 void QwtKnob draw QPainter x painter const QRec
349. raw QPainter x painter const QwtScaleMap xMap const QwtScaleMap amp yMap int from int to const virtual Draw an interval of the curve Parameters painter Painter xMap maps x values into pixel coordinates yMap maps y values into pixel coordinates from index of the first point to be painted to index of the last point to be painted If to lt 0 the curve will be painted to its last point See also drawCurve drawSymbols 12 51 4 13 void QwtPlotCurve draw QPainter x painter const QwtScaleMap xMap const QwtScaleMap amp yMap const QRect amp canvasRect const virtual Draw the complete curve Parameters painter Painter xMap Maps x values into pixel coordinates yMap Maps y values into pixel coordinates See also drawCurve drawSymbols Implements QwtPlotltem Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 248 12 51 4 14 void QwtPlotCurve drawCurve QPainter x painter int style const QwtScaleMap amp xMap const QwtScaleMap amp yMap int from int to const protected virtual Draw the line part without symbols of a curve interval Parameters painter Painter style curve style see QwtPlotCurve CurveStyle xMap x map yMap y map from index of the first point to be painted to index of the last point to be painted See also draw drawDots drawLines drawSteps drawSticks 12 51 4 15 void Qw
350. rawTriangleNeedle QPainter x painter const QPalette amp palette QPalette ColorGroup colorGroup const QPoint amp center int length double direction static Draw a compass needle Parameters painter Painter Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 14 QwtCompassRose Class Reference 67 palette Palette colorGroup Color group center Center where the needle starts length Length of the needle direction Direction 12 14 QwtCompassRose Class Reference Abstract base class for a compass rose include lt qwt_compass_rose h gt Inheritance diagram for QwtCompassRose QwiCompassRose QwtSimpleCompassRose Public Member Functions e virtual void setPalette const QPalette amp p e const QPalette amp palette const e virtual void draw QPainter x painter const QPoint amp center int radius double north QPalette ColorGroup colorGroup QPalette Active const 0 12 14 1 Detailed Description Abstract base class for a compass rose 12 14 2 Member Function Documentation 12 14 2 1 virtual void QwtCompassRose draw QPainter x painter const QPoint amp center int radius double north QPalette ColorGroup colorGroup QPalette Active const pure virtual Draw the rose Parameters painter Painter center Center point radius Radius of the rose north Position Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 15 QwtCompassWin
351. re only available in the HTML docs 1 4 Downloads Stable releases prereleases and snapshots are available at the Qwt project page For getting a snapshot with all bugfixes for the latest 5 2 release svn co https qwt svn sourceforge net svnroot qwt branches qwt 5 2 For getting a development snapshot from the SVN repository svn co https qwt svn sourceforge net svnroot qwt trunk qwt Qwt doesn t distribute binary packages but today all major Linux distributors offer one Note that these packages often don t include the examples Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 1 5 Installation 2 1 5 Installation Have a look at the qwt pro project file It is prepared for building dynamic libraries in Win32 and Unix X11 environments If you don t know what to do with it read the file INSTALL and or Trolltechs qmake documentation Once you have build the library you have to install all files from the lib include and doc directories 1 6 Support e Mailing list For all kind of Qwt related questions use the Qwtmailing list If you prefer newsgroups use the mail to news gateway of Gmane Forum Ot Centre is a great resource for Qt related questions It has a sub forum that is dedicated to Qwt related questions e Individual support If you are looking for individual support or need someone who implements your Qwt componen t application contact qwt supportftigertal de 1 7 Related
352. release event mouse or space bar Example include include qwt_counter h gt QwtCounter cnt cnt new QwtCounter parent name ent gt setRange 0 0 100 0 1 0 From 0 0 to 100 step 1 0 ent gt setNumButtons 2 Two buttons each side cnt gt setIncSteps QwtCounter Buttonl 1 Button 1 increments 1 step ent gt setIncSteps QwtCounter Button2 20 Button 2 increments 20 steps connect cnt SIGNAL valueChanged double my_class SLOT newValue double 12 16 2 Member Enumeration Documentation 12 16 2 1 enum QwtCounter Button Button index 12 16 3 Constructor amp Destructor Documentation 12 16 3 1 QwtCounter QwtCounter QWidget x parent NULL explicit The default number of buttons is set to 2 The default increments are e Button 1 1 step Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 16 QwtCounter Class Reference 73 e Button 2 10 steps e Button 3 100 steps Parameters parent 12 16 3 2 QwtCounter QwtCounter virtual Destructor 12 16 4 Member Function Documentation 12 16 4 1 void QwtCounter buttonReleased double value signal This signal is emitted when a button has been released Parameters value The new value 12 16 4 2 bool QwtCounter editable const returns whether the line edit is edatble default is yes 12 16 4 3 bool QwtCounter event QEvent e protected virtual Handle PolishRequest events 1
353. rent layout See also numRows Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 26 QwtDynGridLayout Class Reference 123 Warning The number of columns might change whenever the geometry changes 12 26 3 16 uint QwtDynGridLayout numRows const Returns Number of rows of the current layout See also numCols Warning The number of rows might change whenever the geometry changes 12 26 3 17 void QwtDynGridLayout setExpandingDirections Qt Orientations expanding Set whether this layout can make use of more space than sizeHint A value of Qt Vertical or Qt Horizontal means that it wants to grow in only one dimension while Qt Vertical Qt Horizontal means that it wants to grow in both dimensions The default value is 0 Parameters expanding Or d orientations See also expandingDirections 12 26 3 18 void QwtDynGridLayout setGeometry const QRect amp rect virtual Reorganizes columns and rows and resizes managed widgets within the rectangle rect Parameters rect Layout geometry 12 26 3 19 void QwtDynGridLayout setMaxCols uint maxCols Limit the number of columns Parameters maxCols upper limit 0 means unlimited See also maxCols Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 27 QwtEventPattern Class Reference 124 12 26 3 20 QSize QwtDynGridLayout sizeHint const virtual Return the size hint If ma
354. rgin 432 minimumSizeHint 432 paintEvent 432 QwtTextLabel 431 setIndent 432 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 475 setMargin 432 setText 432 433 sizeHint 433 text 433 textRect 433 QwtThermo 433 QwtThermo 436 alarmBrush 436 alarmColor 436 alarmEnabled 436 alarmLevel 436 borderWidth 437 draw 437 drawThermo 437 fillBrush 437 fillColor 437 fontChange 437 layoutThermo 437 max Value 438 minimumSizeHint 438 min Value 438 paintEvent 438 pipeWidth 438 QwtThermo 436 resizeEvent 438 scaleChange 438 scaleDraw 439 scalePosition 439 setAlarmBrush 439 setAlarmColor 439 setAlarmEnabled 440 setAlarmLevel 440 setBorderWidth 440 setFillBrush 440 setFillColor 440 setMargin 441 setMax Value 441 setMin Value 441 setOrientation 441 setPipe Width 442 setRange 442 setScaleDraw 442 setScalePosition 443 set Value 443 sizeHint 443 value 444 QwtWheel 444 QwtWheel 445 draw 445 draw Wheel 445 draw WheelBackground 446 getScrollMode 446 getValue 446 internalBorder 446 layoutWheel 446 mass 447 minimumSizeHint 447 paintEvent 447 paletteChange 447 QwtWheel 445 resizeEvent 447 setColorArray 447 setInternalBorder 447 setMass 448 setOrientation 448 setTickCnt 448 setTotalAngle 449 setViewAngle 449 setWheel Width 449 sizeHint 449 tickCnt 450 totalAngle 450 valueChange 450 viewAngle 450 radius
355. ribute bool on true Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 241 bool testPaintAttribute PaintAttribute const void setRawData const double x const double xy int size void setData const double xData const double yData int size void setData const QwtArray lt double gt amp xData const QwtArray lt double gt amp yData void setData const QPolygonF amp data void setData const QwtData amp data int closestPoint const QPoint amp pos double dist NULL const QwtData amp data const QwtData amp data const int dataSize const double x int i const double y int 1 const virtual QwtDoubleRect boundingRect const double minX Value const double maxX Value const double minY Value const double max Y Value const void setCurveAttribute CurveAttribute bool on true bool testCurveAttribute CurveAttribute const void setPen const QPen amp const QPen amp pen const void setBrush const QBrush amp const QBrush amp brush const void setBaseline double ref double baseline const void setStyle CurveStyle style CurveStyle style const void setSymbol const QwtSymbol s const QwtSymbol amp symbol const void setCurveFitter QwtCurveFitter QwtCurveFitter curveFitter const virtual void draw QPainter p const QwtScaleMap amp xMap const QwtScaleMap amp yMap const QR
356. ribute to be tested See also Attribute setAttribute 12 74 4 15 virtual QwtScaleTransformationx QwtScaleEngine transformation const pure virtual Returns a transformation Implemented in QwtLinearScaleEngine and QwtLog10ScaleEngine Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 75 QwtScaleMap Class Reference 379 12 74 4 16 double QwtScaleEngine upperMargin const Returns the margin at the upper end of the scale The default margin is 0 See also setMargins 12 75 QwtScaleMap Class Reference A scale map include lt qwt_scale_map h gt Public Member Functions e QwtScaleMap e QwtScaleMap const QwtScaleMap amp QwtScaleMap QwtScaleMap amp operator const QwtScaleMap amp void setTransformation QwtScaleTransformation const QwtScaleTransformation transformation const void setPaintInterval int p1 int p2 void setPaintXInterval double p1 double p2 void setScaleInterval double s1 double s2 int transform double x const double invTransform double 1 const double xTransform double x const double p1 const double p2 const double s1 const double s2 const double pDist const double sDist const Public Attributes e QT_STATIC_CONST double LogMin 1 0e 150 e QT_STATIC_CONST double LogMax 1 0e150 12 75 1 Detailed Description A scale map QwtScaleMap offers transformations from a scale into a pain
357. rltem 12 64 4 11 QwtRasterData ContourLines QwtPlotSpectrogram renderContourLines const QwtDoubleRect amp rect const QSize amp raster const protected virtual Calculate contour lines Parameters rect Rectangle where to calculate the contour lines raster Raster used by the CONREC algorithm See also contourLevels setConrecAttribute QwtRasterData contourLines 12 64 4 12 QImage QwtPlotSpectrogram renderImage const QwtScaleMap amp xMap const QwtScaleMap amp yMap const QwtDoubleRect amp area const protected virtual Render an image from the data and color map The area is translated into a rect of the paint device For each pixel of this rect the intensity is mapped into a color Parameters xMap X Scale Map yMap Y Scale Map area Area that should be rendered in scale coordinates Returns A QImage Format_Indexed8 or QImage Format_ARGB32 depending on the color map See also QwtRasterData intensityQ QwtColorMap rgb QwtColorMap colorIndex Implements QwtPlotRasterltem Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 64 QwtPlotSpectrogram Class Reference 332 12 64 4 13 int QwtPlotSpectrogram rtti const virtual Returns QwtPlotItem Rtti_PlotSpectrogram Reimplemented from QwtPlotltem 12 64 4 14 void QwtPlotSpectrogram setColorMap const QwtColorMap amp colorMap Change the color map Often it is useful to display the mapping b
358. rmo 443 QwtWheel 449 sliderMoved QwtAbstractSlider 41 sliderPressed QwtAbstractSlider 41 sliderReleased QwtAbstractSlider 42 spacing QwtAbstractScaleDraw 33 QwtLegendItem 152 QwtPlotLayout 283 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 482 QwtPlotMarker 292 QwtScale Widget 393 splineSize QwtSplineCurveFitter 411 SplineType QwtSpline 406 splineType QwtSpline 409 startBorderDist QwtScale Widget 393 state QwtPickerMachine 208 state Machine QwtPicker 198 step QwtCounter 77 QwtDoubleRange 117 stepButtonl QwtCounter 77 stepButton2 QwtCounter 77 stepButton3 QwtCounter 77 stepChange QwtDoubleRange 118 stopMoving QwtAbstractSlider 42 stretchGrid QwtDynGridLayout 124 stretchSelection QwtPicker 198 strip QwtScaleEngine 378 Style QwtCompassMagnetNeedle 65 QwtCompass WindArrow 69 QwtDialSimpleNeedle 103 QwtSymbol 413 style QwtPlotCurve 255 QwtSymbol 416 Symbol QwtKnob 135 symbol QwtKnob 138 QwtLegendItem 152 QwtPlotCurve 255 QwtPlotMarker 293 symmetrize QwtDoublelnterval 111 syncScale QwtPlotRescaler 318 takeAt QwtDynGridLayout 124 testAttribute QwtScaleEngine 378 testConrecAttribute QwtPlotSpectrogram 333 testCurveAttribute QwtPlotCurve 255 testDisplayMode QwtPlotSpectrogram 333 testltemAttribute QwtPlotltem 273 testLayoutAttribute QwtText 424 testPaintAttribute QwtPlotCanvas 239
359. rotected virtual Move the last point of the selection Parameters pos New position See also isActive begin end append Note The moved const QPoint amp moved const QDoublePoint amp signals are emitted Reimplemented from QwtPicker 12 59 3 9 void QwtPlotPicker moved const QwtDoublePoint amp pos signal A signal emitted whenever the last appended point of the selection has been moved Parameters pos Position of the moved last point of the selection See also move appended 12 59 3 10 const QwtPlot QwtPlotPicker plot const Return plot widget containing the observed plot canvas 12 59 3 11 QwtPlot x QwtPlotPicker plot Return plot widget containing the observed plot canvas Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 59 QwtPlotPicker Class Reference 302 12 59 3 12 QwtDoubleRect QwtPlotPicker scaleRect const protected Return normalized bounding rect of the axes See also QwtPlot autoReplot QwtPlot replot 12 59 3 13 void QwtPlotPicker selected const QwtArray lt QwtDoublePoint gt amp pa signal A signal emitting the selected points at the end of a selection Parameters pa Selected points 12 59 3 14 void QwtPlotPicker selected const QwtDoubleRect amp rect signal A signal emitted in case of selectionFlags amp RectSelection Parameters rect Selected rectangle 12 59 3 15 void QwtPlotPi
360. rt 12 30 4 16 QList lt QWidget gt QwtLegend legendItems const virtual Return a list of all legend items 12 30 4 17 void QwtLegend remove const QwtLegendItemManager plotItem Find the corresponding item for a plotItem and remove it from the item list Parameters plotItem Plot item 12 30 4 18 void QwtLegend resizeEvent QResizeEvent x e protected virtual Resize event Parameters e Resize event 12 30 4 19 void QwtLegend setDisplayPolicy LegendDisplayPolicy policy int mode Set the legend display policy to Parameters policy Legend display policy mode Identifier mode or d ShowLine ShowSymbol ShowText See also displayPolicy LegendDisplay Policy Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 31 QwtLegendItem Class Reference 145 12 30 4 20 void QwtLegend setItemMode LegendItemMode mode See also LegendItemMode 12 30 4 21 QSize QwtLegend sizeHint const virtual Return a size hint 12 30 4 22 QScrollBar x QwtLegend verticalScrollBar const Returns Vertical scrollbar See also horizontalScrollBar 12 31 QwtLegendItem Class Reference A legend label include lt qwt_legend_item h gt Inheritance diagram for QwtLegendItem QwtTextLabel QwtLegenditem Public Types e enum IdentifierMode Noldentifier 0 ShowLine 1 ShowSymbol 2 ShowText 4 Generated on Sun Apr 11 11 55 09 2010 for Qwt U
361. rtual QwtData QwtData copy const pure virtual Returns Pointer to a copy virtual copy constructor Implemented in QwtPolygonFData QwtArrayData and QwtCPointerData 12 19 33 QwtData amp QwtData operator const QwtData amp protected Assignment operator virtualized 12 19 3 4 virtual size_t QwtData size const pure virtual Returns Size of the data set Implemented in QwtPolygonFData QwtArrayData and QwtCPointerData 12 19 3 5 virtual double QwtData x size_t i const pure virtual Return the x value of data point i Parameters i Index Returns x X value of data point i Implemented in QwtPolygonFData QwtArrayData and QwtCPointerData Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 20 QwtDial Class Reference 84 12 19 3 6 virtual double QwtData y size_t i const pure virtual Return the y value of data point i Parameters i Index Returns y Y value of data point i Implemented in QwtPolygonFData QwtArrayData and QwtCPointerData 12 20 QwtDial Class Reference QwtDial class provides a rounded range control include lt qwt_dial h gt Inheritance diagram for QwtDial QwtDoubleRange QwtAbstractSlider QwtAnalogClock QwiCompass Public Types e enum Shadow Plain QFrame Plain Raised QFrame Raised Sunken QFrame Sunken e enum ScaleOptions ScaleBackbone 1 ScaleTicks 2 ScaleLabel 4
362. ructor Documentation 12 30 3 1 QwtLegend QwtLegend QWidget parent NULL explicit Constructor Parameters parent Parent widget 12 30 3 2 QwtLegend QwtLegend virtual Destructor 12 30 4 Member Function Documentation 12 30 4 1 void QwtLegend clear Remove all items 12 30 4 2 const QWidget QwtLegend contentsWidget const The contents widget is the only child of the viewport and the parent widget of all legend items Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 30 QwtLegend Class Reference 142 12 30 43 QWidget x QwtLegend contentsWidget The contents widget is the only child of the viewport and the parent widget of all legend items 12 30 4 4 QwtLegend LegendDisplayPolicy QwtLegend displayPolicy const Returns the legend display policy Default is LegendDisplayPolicy Auto See also setDisplayPolicy LegendDisplayPolicy 12 30 4 5 bool QwtLegend eventFilter QObject 0 QEvent xe virtual Filter layout related events of QwtLegend contents Widget Parameters o Object to be filtered e Event 12 30 4 6 QwtLegendItemManager QwtLegend find const QWidget legendItem const Find the widget that represents a plot item Parameters legendItem Legend item Returns Widget on the legend or NULL 12 30 4 7 QWidget QwtLegend find const QwtLegendItemManager plotItem const Find the widget that represents a plot ite
363. s See also moveCenter 12 71 QwtScaleArithmetic Class Reference Arithmetic including a tolerance include lt qwt_scale_engine h gt Static Public Member Functions static int compareEps double valuel double value2 double intervalSize static double ceilEps double value double intervalSize static double floorEps double value double intervalSize static double divideEps double interval double steps static double ceil125 double x static double floor125 double x 12 71 1 Detailed Description Arithmetic including a tolerance 12 71 2 Member Function Documentation 12 71 2 1 double QwtScaleArithmetic ceil125 double x static Find the smallest value out of 1 2 5 x10 n with an integer number n which is greater than or equal to x Parameters x Input value 12 71 2 2 double QwtScaleArithmetic ceilEps double value double intervalSize static Ceil a value relative to an interval Parameters value Value to ceil intervalSize Interval size Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 71 QwtScaleArithmetic Class Reference 359 See also floorEpsQ 12 71 2 3 int QwtScaleArithmetic compareEps double valuel double value2 double intervalSize static Compare 2 values relative to an interval Values are equal when value2 valuel lt abs intervalSize x 10e Parameters valuel First value to compare value2 Second value to compare int
364. s unhidden deiconified or changes the focus Disabling the cache will improve the performance for incremental paints using QwtPlotCurve draw e PaintPacked Suppress system background repaints and paint it together with the canvas contents Painting packed might avoid flickering for expensive repaints when there is a notable gap between painting the background and the plot contents The default setting enables PaintCached and PaintPacked See also setPaintAttribute testPaintAttribute paintCache 12 50 3 Constructor amp Destructor Documentation 12 50 3 1 QwtPlotCanvas QwtPlotCanvas QwtPlot x plot explicit Sets a cross cursor enables QwtPlotCanvas PaintCached Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 50 QwtPlotCanvas Class Reference 237 12 50 3 2 QwtPlotCanvas QwtPlotCanvas virtual Destructor 12 50 4 Member Function Documentation 12 50 4 1 void QwtPlotCanvas drawCanvas QPainter x painter NULL protected Draw the the canvas Paints all plot items to the contentsRect using QwtPlot drawCanvas and updates the paint cache Parameters painter Painter See also QwtPlot drawCanvas setPaintAttributes testPaintAttributes 12 50 4 2 void QwtPlotCanvas drawContents QPainter x painter protected virtual Redraw the canvas and focus rect Parameters painter Painter 12 50 4 3 void QwtPlotCanvas drawFocusIndicator QPainter painter
365. s which can be assigned with setXDiv and setYDiv The draw member draws the grid within a bounding rectangle Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 53 QwtPlotGrid Class Reference 260 12 53 2 Constructor amp Destructor Documentation 12 53 2 1 QwtPlotGrid QwtPlotGrid explicit Enables major grid disables minor grid 12 53 2 2 QwtPlotGrid QwtPlotGrid virtual Destructor 12 53 3 Member Function Documentation 12 53 3 1 void QwtPlotGrid draw QPainter x painter const QwtScaleMap xMap const QwtScaleMap amp yMap const QRect amp canvasRect const virtual Draw the grid The grid is drawn into the bounding rectangle such that gridlines begin and end at the rectangle s borders The X and Y maps are used to map the scale divisions into the drawing region screen Parameters painter Painter xMap X axis map yMap Y axis canvasRect Contents rect of the plot canvas Implements QwtPlotltem 12 53 3 2 void QwtPlotGrid enableX bool f Enable or disable vertical gridlines Parameters tf Enable true or disable See also Minor gridlines can be enabled or disabled with enableXMin 12 53 3 3 void QwtPlotGrid enableXMin bool f Enable or disable minor vertical gridlines Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 53 QwtPlotGrid Class Reference 261 Parameters tf Enable true or disable Se
366. scale See also QwtAbstractScaleDraw setScale 12 20 4 37 void QwtDial setScaleArc double minArc double maxArc Change the arc of the scale Parameters minArc Lower limit maxArc Upper limit 12 20 4 38 void QwtDial setScaleDraw QwtDialScaleDraw scaleDraw virtual Set an individual scale draw Parameters scaleDraw Scale draw Warning The previous scale draw is deleted 12 20 4 39 void QwtDial setScaleOptions int options A wrapper method for accessing the scale draw e options No visible scale setScaleDraw NULL Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 20 QwtDial Class Reference 97 e options amp ScaleBackbone En disable the backbone of the scale e options amp ScaleTicks En disable the ticks of the scale e options amp ScaleLabel En disable scale labels See also QwtAbstractScaleDraw enableComponent 12 20 4 40 void QwtDial setScaleTicks int minLen int medLen int majLen int pen Width 1 Assign length and width of the ticks Parameters minLen Length of the minor ticks medLen Length of the medium ticks majLen Length of the major ticks penWidth Width of the pen for all ticks See also QwtAbstractScaleDraw setTickLength QwtDialScaleDraw setPenWidth 12 20 4 41 void QwtDial setWrapping bool wrapping virtual Sets whether it is possible to step the value from the highest value to the lowest value and vice versa to on
367. seOffset const int scrollMode const 12 5 1 Detailed Description An abstract base class for slider widgets QwtAbstractSlider is a base class for slider widgets It handles mouse events and updates the slider s value accordingly Derived classes only have to implement the getValue and getScrollMode members and should react to a valueChange which normally requires repainting Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 5 QwtAbstractSlider Class Reference 36 12 5 2 Member Enumeration Documentation 12 5 2 1 enum QwtAbstractSlider ScrollMode Scroll mode See also getScrollMode 12 5 3 Constructor amp Destructor Documentation 12 5 3 1 QwtAbstractSlider QwtAbstractSlider Qt Orientation orientation QWidget parent NULL explicit Constructor Parameters orientation Orientation parent Parent widget 12 5 3 2 QwtAbstractSlider QwtAbstractSlider virtual Destructor 12 5 4 Member Function Documentation 12 5 4 1 void QwtAbstractSlider fitValue double value virtual slot Set the slider s value to the nearest integer multiple of the step size Parameters value Value See also setValue inc Value Reimplemented from QwtDoubleRange 12 5 4 2 virtual void QwtAbstractSlider getScrollMode const QPoint amp p int scrollMode int amp direction protected pure virtual Determine what to do when the user presses a mouse button
368. ser s Guide by Doxygen 12 31 QwtLegendItem Class Reference 146 Public Slots void setChecked bool on Signals void clicked void pressed void released void checked bool Public Member Functions QwtLegendItem QWidget x parent 0 QwtLegendItem const QwtSymbol amp const QPen amp const QwtText 8 QWidget parent 0 virtual QwtLegendlItem virtual void setText const QwtText amp void setItemMode QwtLegend LegendItemMode QwtLegend LegendItemMode itemMode const void setIdentifierMode int int identifierMode const void setIdentifierWidth int width int identifierWidth const void setSpacing int spacing int spacing const void setSymbol const QwtSymbol amp const QwtSymbol amp symbol const void setCurvePen const QPen amp const QPen amp curvePen const virtual void drawIdentifier QPainter x const QRect amp const virtual void drawItem QPainter p const QRect amp const virtual QSize sizeHint const bool isChecked const Protected Member Functions void setDown bool bool isDown const virtual void paintEvent QPaintEvent x virtual void mousePressEvent QMouseEvent x virtual void mouseReleaseEvent QMouseEvent x virtual void keyPressEvent QKeyEvent x virtual void keyReleaseEvent QKeyEvent x virtual void drawText QPainter x const QRect amp Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 3
369. ss Reference 105 12 23 4 4 void QwtDialSimpleNeedle setWidth int width Set the width of the needle Parameters width Width See also width 12 23 4 5 int QwtDialSimpleNeedle width const Returns the width of the needle See also setWidth 12 24 QwtDoublelnterval Class Reference A class representing an interval include lt qwt_double_interval h gt Public Types e enum BorderMode IncludeBorders 0 ExcludeMinimum 1 ExcludeMaximum 2 ExcludeBorders ExcludeMinimum ExcludeMaximum Public Member Functions e QwtDoublelnterval e QwtDoublelnterval double minValue double maxValue int borderFlags IncludeB orders void setInterval double minValue double maxValue int borderFlags IncludeBorders QwtDoublelInterval normalized const QwtDoublelInterval inverted const QwtDoublelInterval limited double min Value double maxValue const int operator const QwtDoublelnterval amp const int operator const QwtDoublelnterval amp const void setBorderFlags int int borderFlags const double min Value const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 24 QwtDoublelnterval Class Reference 106 double maxValue const double width const void setMinValue double void setMaxValue double bool contains double value const bool intersects const QwtDoublelnterval amp const QwtDoublelnterval intersect const QwtDou
370. ssignment operator Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 34 QwtLinearScaleEngine Class Reference 158 12 33 4 9 QRgb QwtLinearColorMap rgb const QwtDoublelnterval amp interval double value const virtual Map a value of a given interval into a rgb value Parameters interval Range for all values value Value to map into a rgb value Implements QwtColorMap 12 33 4 10 void QwtLinearColorMap setColorInterval const QColor amp color1 const QColor amp color2 Set the color range Add stops at 0 0 and 1 0 Parameters color Color used for the minimum value of the value interval color2 Color used for the maximum value of the value interval See also color1 color2 12 33 4 11 void QwtLinearColorMap setMode Mode mode Set the mode of the color map FixedColors means the color is calculated from the next lower color stop ScaledColors means the color is calculated by interpolating the colors of the adjacent stops See also mode 12 34 QwtLinearScaleEngine Class Reference A scale engine for linear scales include lt qwt_scale_engine h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 34 QwtLinearScaleEngine Class Reference 159 Inheritance diagram for QwtLinearScaleEngine QwtScaleEngine QwiLinearScaleEngine Public Member Functions e virtual void autoScale int maxSteps double amp x1 double amp
371. ssure that the memory blocks referenced by the pointers remain valid during the lifetime of the QwtPlotCPointer object See also QwtPlotCurve setData QwtPlotCurve setRawData 12 17 3 Member Function Documentation 12 17 3 1 QwtDoubleRect QwtCPointerData boundingRect const virtual Returns the bounding rectangle of the data If there is no bounding rect like for empty data the rectangle is invalid QwtDoubleRect isValid false Reimplemented from QwtData 12 17 3 2 QwtData x QwtCPointerData copy const virtual Returns Pointer to a copy virtual copy constructor Implements QwtData 12 17 3 3 QwtCPointerData amp QwtCPointerData operator const QwtCPointerData data Assignment 12 17 3 4 size_t QwtCPointerData size const virtual Returns Size of the data set Implements QwtData 12 17 3 5 double QwtCPointerData x size_t i const virtual Return the x value of data point i Parameters i Index Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 18 QwtCurveFitter Class Reference 80 Returns x X value of data point i Implements QwtData 12 17 3 6 const double QwtCPointerData xData const Returns Array of the x values 12 17 3 7 double QwtCPointerData y size_ti const virtual Return the y value of data point i Parameters i Index Returns y Y value of data point i Implements QwtData 12 17 3 8 const double QwtCPoi
372. st QPoint amp const QPainter NULL const QPoint deviceToLayout const QPoint amp const QPainter NULL const e QPoint screenToLayout const QPoint amp const QPoint layoutToScreen const QPoint point const e QSize layoutToDevice const QSize amp const QSize deviceToLayout const QSize amp const e QSize screenToLayout const QSize amp const e QSize layoutToScreen const QSize amp const QRect layoutToDevice const QRect 4 const QPainter NULL const e QRect deviceToLayout const QRect amp const QPainter NULL const QRect screenToLayout const QRect amp const QRect layoutToScreen const QRect amp const e QwtPolygon layoutToDevice const QwtPolygon amp const QPainter NULL const e QwtPolygon deviceToLayout const QwtPolygon amp const QPainter NULL const Static Public Member Functions e static QwtPolygon translate const QMatrix amp const QwtPolygon dz e static QRect translate const QMatrix amp const QRect 42 12 38 1 Detailed Description A Map to translate between layout screen and paint device metrics Qt3 supports painting in integer coordinates only Therefore it is not possible to scale the layout in screen coordinates to layouts in higher resolutions f e printing without losing the higher precision QwtMetricsMap is used to incorporate the various widget attributes always in screen resolution into the layout printing code of QwtPlot Qt4 is able to paint
373. st QRect amp rect const Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 83 QwtText Class Reference 418 Static Public Member Functions e static const QwtTextEngine textEngine const QString amp text QwtText TextFormat AutoText e static const QwtTextEngine x textEngine QwtText TextFormat e static void setTextEngine QwtText TextFormat QwtTextEngine 12 83 1 Detailed Description A class representing a text A QwtText is a text including a set of attributes how to render it Format A text might include control sequences f e tags describing how to render it Each format f e MathML TeX Qt Rich Text has its own set of control sequences that can be handles by a QwtTex tEngine for this format Background A text might have a background defined by a QPen and QBrush to improve its visibility Font A text might have an individual font Color A text might have an individual color Render Flags Flags from Qt AlignmentFlag and Qt TextFlag used like in QPainter drawText See also QwtTextEngine QwtTextLabel 12 83 2 Member Enumeration Documentation 12 83 2 1 enum QwtText LayoutAttribute Layout Attributes The layout attributes affects some aspects of the layout of the text e MinimumLayout Layout the text without its margins This mode is useful if a text needs to be aligned accurately like the tick labels of a scale If QwtTextEngine textMargins is not implem
374. st QwtSpline amp other Assignment operator Parameters other Spline used for initilization 12 80 4 8 QPolygonF QwtSpline points const Return points passed by setPoints 12 80 4 9 void QwtSpline reset Free allocated memory and set size to 0 12 80 4 10 bool QwtSpline setPoints const QPolygonF amp points Calculate the spline coefficients Depending on the value of periodic this function will determine the coefficients for a natural or a periodic spline and store them internally Parameters points Points Returns true if successful Warning The sequence of x but not y values has to be strictly monotone increasing which means points i x lt points i 1 x If this is not the case the function will return false Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 81 QwtSplineCurveFitter Class Reference 409 12 80 4 11 void QwtSpline setSplineType SplineType splineType Select the algorithm used for calculating the spline Parameters splineType Spline type See also splineType 12 80 4 12 QwtSpline SplineType QwtSpline splineType const Returns the spline type See also setSplineType 12 80 4 13 double QwtSpline value double x const Calculate the interpolated function value corresponding to a given argument x 12 81 QwtSplineCurveFitter Class Reference A curve fitter using cubic splines include lt qwt_curve_fitter h gt Inherita
375. structor 12 55 4 Member Function Documentation 12 55 4 1 void QwtPlotLayout activate const QwtPlot x plot const QRect amp plotRect int options 0 virtual Recalculate the geometry of all components Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 55 QwtPlotLayout Class Reference 278 Parameters plot Plot to be layout plotRect Rect where to place the components options Options See also invalidate Options titleRect legendRect scaleRect canvasRect 12 55 4 2 bool QwtPlotLayout alignCanvasToScales const Return the align canvas to axis scales setting The canvas may e extend beyond the axis scale ends to maximize its size e align with the axis scale ends to control its size Returns align canvas to axis scales setting See also setAlignCanvasToScales setCanvasMargin Note In this context the term scale means the backbone of a scale 12 55 4 3 QRect QwtPlotLayout alignLegend const QRect canvasRect const QRect amp legendRect const protected Align the legend to the canvas Parameters canvasRect Geometry of the canvas legendRect Maximum geometry for the legend Returns Geometry for the aligned legend 12 55 4 4 void QwtPlotLayout alignScales int options QRect amp canvasRect QRect scaleRect QwtPlot axisCnt const protected Align the ticks of the axis to the canvas borders using the empty corners See also Op
376. t 12 60 1 Detailed Description A base class for plot print filters A print filter can be used to customize QwtPlot print Deprecated In Qwt 5 0 the design of QwtPlot allows recommends writing individual QwtPlotltems that are not known to QwtPlotPrintFilter So this concept is outdated and QwtPlotPrintFilter will be removed re placed in Qwt 6 x 12 60 2 Member Enumeration Documentation 12 60 2 1 enum QwtPlotPrintFilter Item Print items 12 60 2 2 enum QwtPlotPrintFilter Options Print options 12 60 3 Constructor amp Destructor Documentation 12 60 3 1 QwtPlotPrintFilter QwtPlotPrintFilter Q explicit Sets filter options to PrintAll 12 60 3 2 QwtPlotPrintFilter QwtPlotPrintFilter virtual Destructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 60 QwtPlotPrintFilter Class Reference 306 12 60 4 Member Function Documentation 12 60 4 1 void QwtPlotPrintFilter apply QwtPlot x plot const virtual Change color and fonts of a plot See also apply 12 60 4 2 QColor QwtPlotPrintFilter color const QColor amp c Item item const virtual Modifies a color for printing Parameters c Color to be modified item Type of item where the color belongs Returns Modified color In case of QwtPlotPrintFilter options amp PrintBackground MajorGrid is modified to Qt darkGray Mi norGrid to Qt gray All other colors are returned unmodified 12 60
377. t static Wrapper for QPainter setClipRect 12 39 2 23 void QwtPainter setDeviceClipping bool enable static En Disable device clipping On X11 the default for device clipping is enabled otherwise it is disabled See also QwtPainter deviceClipping 12 39 2 24 void QwtPainter setMetricsMap const QwtMetricsMap amp map static Change the metrics map See also QwtPainter resetMetricsMap QwtPainter metricsMap 12 39 2 25 void QwtPainter setMetricsMap const QPaintDevice x layout const QPaintDevice device static Scale all QwtPainter drawing operations using the ratio QwtPaintMetrics from logicalDpiX QwtPaintMetrics to logicalDpiXQ and QwtPaintMetrics from logicalDpi YQ QwtPaintMetrics to logicalDp1Y See also QwtPainter resetScaleMetrics QwtPainter scaleMetricsX QwtPainter scaleMetrics Y Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 40 QwtPanner Class Reference 179 12 40 QwtPamner Class Reference QwtPanner provides panning of a widget include lt qwt_panner h gt Inheritance diagram for QwtPanner QwtPanner QwtPlotPanner Signals void panned int dx int dy void moved int dx int dy Public Member Functions QwtPanner QWidget parent virtual QwtPanner void setEnabled bool bool isEnabled const void setMouseButton int button int buttonState Qt NoButton void getMouseButton int amp button in
378. t LegendPosition QwtPlotLayout legendPosition const Returns Position of the legend See also setLegendPosition QwtPlot setLegendPosition QwtPlot legendPosition 12 55 4 11 double QwtPlotLayout legendRatio const Returns The relative size of the legend in the plot See also setLegendPosition 12 55 4 12 const QRect amp QwtPlotLayout legendRect const Returns Geometry for the legend See also activate invalidate Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 55 QwtPlotLayout Class Reference 281 12 55 4 13 int QwtPlotLayout margin const Returns margin See also setMargin spacing QwtPlot margin 12 55 4 14 QSize QwtPlotLayout minimumSizeHint const QwtPlot plot const virtual Return a minimum size hint See also QwtPlot minimumSizeHint 12 55 4 15 const QRect amp QwtPlotLayout scaleRect int axis const Parameters axis Axis index Returns Geometry for the scale See also activate invalidate 12 55 4 16 void QwtPlotLayout setAlignCanvasToScales bool alignCanvasToScales Change the align canvas to axis scales setting The canvas may e extend beyond the axis scale ends to maximize its size e align with the axis scale ends to control its size Parameters alignCanvasToScales New align canvas to axis scales setting See also setCanvasMargin Generated on Sun Apr 11 11 55 09 2
379. t amp rect protected Repaint the knob Parameters painter Painter rect Update rectangle 12 29 4 3 void QwtKnob drawKnob QPainter painter const QRect amp r protected Draw the knob Parameters painter painter r Bounding rectangle of the knob without scale 12 29 4 4 void QwtKnob drawMarker QPainter x p double arc const QColor amp c protected Draw the marker at the knob s front Parameters p Painter arc Angle of the marker c Marker color 12 29 4 5 int QwtKnob knobWidth const Return the width of the knob Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 29 QwtKnob Class Reference 137 12 29 4 6 QSize QwtKnob minimumSizeHint const virtual Return a minimum size hint Warning The return value of QwtKnob minimumSizeHint depends on the font and the scale 12 29 4 7 void QwtKnob paintEvent QPaintEvent xe protected virtual Repaint the knob Parameters e Paint event 12 29 4 8 void QwtKnob resizeEvent QResizeEvent xe protected virtual Qt Resize Event 12 29 4 9 QwtRoundScaleDraw QwtKnob scaleDraw Returns the scale draw of the knob See also setScaleDraw 12 29 4 10 const QwtRoundScaleDraw QwtKnob scaleDraw const Returns the scale draw of the knob See also setScaleDraw 12 29 4 11 void QwtKnob setBorder Width int bw Set the knob s border width Parameters bw new border
380. t amp buttonState const void setAbortKey int key int state Qt NoButton void getAbortKey int amp key int amp state const void setCursor const QCursor amp const QCursor cursor const void setOrientations Qt Orientations Qt Orientations orientations const bool isOrientationEnabled Qt Orientation const virtual bool eventFilter QObject QEvent x Protected Member Functions virtual void widgetMousePressEvent QMouseE vent x virtual void widgetMouseReleaseEvent QMouseEvent x virtual void widgetMouseMoveEvent QMouseE vent x virtual void widgetKeyPressEvent QKeyEvent x virtual void widgetKeyReleaseEvent QKeyEvent x virtual void paintEvent QPaintEvent x Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 40 QwtPanner Class Reference 180 12 40 1 Detailed Description QwtPanner provides panning of a widget QwtPanner grabs the contents of a widget that can be dragged in all directions The offset between the start and the end position is emitted by the panned signal QwtPanner grabs the content of the widget into a pixmap and moves the pixmap around without initiating any repaint events for the widget Areas that are not part of content are not painted while panning in in process This makes panning fast enough for widgets where repaints are too slow for mouse movements For widgets where repaints are very fast it might be better to implement panning manually by mappi
381. t Indentation in pixels 12 85 3 10 void QwtTextLabel setMargin int margin Parameters margin Margin in pixels protected virtual Qt paint event Set label s text indent in pixels Set label s margin in pixels Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 86 QwtThermo Class Reference 433 12 85 3 11 void QwtTextLabel setText const QwtText amp text virtual slot Change the label s text Parameters text New text Reimplemented in QwtLegendItem 12 85 3 12 void QwtTextLabel setText const QString text QwtText TextFormat textFormat QwtText AutoText slot Change the label s text keeping all other QwtText attributes Parameters text New text textFormat Format of text See also QwtText 12 85 3 13 QSize QwtTextLabel sizeHint const virtual Return label s margin in pixels Reimplemented in QwtLegendItem 12 85 3 14 const QwtText amp QwtTextLabel text const Return the text 12 85 3 15 QRect QwtTextLabel textRect const Calculate the rect for the text in widget coordinates Returns Text rect 12 86 QwtThermo Class Reference The Thermometer Widget include lt qwt_thermo h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 86 QwtThermo Class Reference 434 Inheritance diagram for QwtThermo QwtAbstractScale QwtThermo Public Types enum ScalePos NoScale LeftS
382. t QwtScaleMap amp yMap const QwtDoubleRect amp rect const Transform a rectangle Parameters xMap X map yMap Y map rect Rectangle in scale coordinates Returns Rectangle in paint coordinates See also invTransform 12 54 4 28 void QwtPlotItem updateLegend QwtLegend legend const virtual Update the widget that represents the item on the legend updateLegend is called from itemChanged to adopt the widget representing the item on the legend to its new configuration The default implementation is made for QwtPlotCurve and updates a QwtLegendItem but an item could be represented by any type of widget by overloading legendItem and updateLegend Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 54 QwtPlotltem Class Reference 275 Parameters legend Legend See also legendItem itemChanged QwtLegend Implements QwtLegendItemManager Reimplemented in QwtPlotCurve 12 54 4 29 void QwtPlotItem updateScaleDiv const QwtScaleDiv amp const QwtScaleDiv amp virtual Update the item to changes of the axes scale division Update the item when the axes of plot have changed The default implementation does nothing but items that depend on the scale division like QwtPlotGrid have to reimplement updateScaleDiv Parameters xScaleDiv Scale division of the x axis yScaleDiv Scale division of the y axis See also QwtPlot updateAxes Reimplement
383. t interval and vice versa Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 75 QwtScaleMap Class Reference 380 12 75 2 Constructor amp Destructor Documentation 12 75 2 1 QwtScaleMap QwtScaleMap Constructor The scale and paint device intervals are both set to 0 1 12 75 2 2 QwtScaleMap QwtScaleMap const QwtScaleMap amp other Copy constructor 12 75 2 3 QwtScaleMap QwtScaleMap Destructor 12 75 3 Member Function Documentation 12 75 3 1 double QwtScaleMap invTransform double p const inline Transform an paint device value into a value in the interval of the scale Parameters p Value relative to the coordinates of the paint device See also transform 12 75 3 2 QwtScaleMap amp QwtScaleMap operator const QwtScaleMap amp other Assignment operator 12 75 3 3 double QwtScaleMap p1 O const inline Returns First border of the paint interval 12 75 3 4 double QwtScaleMap p2 const inline Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 75 QwtScaleMap Class Reference 381 Returns Second border of the paint interval 12 75 3 5 double QwtScaleMap pDist const inline Returns qwtAbs p2 p10 12 75 3 6 double QwtScaleMap s1 const inline Returns First border of the scale interval 12 75 3 7 double QwtScaleMap s2 const inline Returns Second border of the scale interval
384. t maxMinSteps double stepSize 0 0 const virtual Calculate a scale division Parameters x1 First interval limit x2 Second interval limit maxMajSteps Maximum for the number of major steps maxMinSteps Maximum number of minor steps stepSize Step size If stepSize 0 the scaleEngine calculates one See also QwtScaleEngine stepSize QwtScaleEngine subDivide Implements QwtScaleEngine 12 34 2 4 QwtScaleTransformation x QwtLinearScaleEngine transformation const virtual Return a transformation for linear scales Implements QwtScaleEngine 12 35 QwtLog10ScaleEngine Class Reference A scale engine for logarithmic base 10 scales include lt qwt_scale_engine h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 35 QwtLogl0ScaleEngine Class Reference 161 Inheritance diagram for QwtLog10ScaleEngine QwtScaleEngine QwiLog10ScaleEngine Public Member Functions e virtual void autoScale int maxSteps double amp x1 double amp x2 double amp stepSize const e virtual QwtScaleDiv divideScale double x1 double x2 int numMajorSteps int numMinorSteps double stepSize 0 0 const e virtual QwtScaleTransformation transformation const Protected Member Functions e QwtDoublelnterval log10 const QwtDoubleInterval amp const e QwtDoublelInterval pow10 const QwtDoubleInterval amp const 12 35 1 Detailed Description A scale engine for logarithmic
385. t setting enables ImageMode See also setDisplayMode testDisplayMode 12 64 3 Constructor amp Destructor Documentation 12 64 3 1 QwtPlotSpectrogram QwtPlotSpectrogram const QString amp title QString null explicit Sets the following item attributes e QwtPlotltem AutoScale true Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 64 QwtPlotSpectrogram Class Reference 328 e QwtPlotltem Legend false The z value is initialized by 8 0 Parameters title Title See also QwtPlotItem setItemAttribute QwtPlotltem setZ 12 64 3 2 QwtPlotSpectrogram QwtPlotSpectrogram virtual Destructor 12 64 4 Member Function Documentation 12 64 4 1 QwtDoubleRect QwtPlotSpectrogram boundingRect const virtual Returns Bounding rect of the data See also QwtRasterData boundingRect Reimplemented from QwtPlotltem 12 64 4 2 const QwtColorMap amp QwtPlotSpectrogram colorMap const Returns Color Map used for mapping the intensity values to colors See also setColorMap 12 64 4 3 QwtValueList QwtPlotSpectrogram contourLevels const Return the levels of the contour lines The levels are sorted in increasing order See also contourLevels renderContourLines QwtRasterData contourLines Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 64 QwtPlotSpectrogram Class Reference 329 12 64 4 4 QPen QwtPlotSpe
386. tCompassRose 12 78 3 2 void QwtSimpleCompassRose drawRose QPainter x painter const QPalette amp palette const QPoint amp center int radius double north double width int numThorns int numThornLevels double shrinkFactor static Draw the rose Parameters painter Painter palette Palette center Center of the rose radius Radius of the rose north Position pointing to north width Width of the rose numThorns Number of thorns numThornLevels Number of thorn levels shrinkFactor Factor to shrink the thorns with each level Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 78 QwtSimpleCompassRose Class Reference 396 12 78 3 3 int QwtSimpleCompassRose numThornLevels const Returns Number of thorn levels See also setNumThorns setNumThornLevels 12 78 3 4 int QwtSimpleCompassRose numThorns const Returns Number of thorns See also setNumThorns setNumThornLevels 12 78 3 5 void QwtSimpleCompassRose setNumThornLevels int numThornLevels Set the of thorns levels Parameters numThornLevels Number of thorns levels See also setNumThorns numThornLevels 12 78 3 6 void QwtSimpleCompassRose setNumThorns int numThorns Set the number of thorns on one level The number is aligned to a multiple of 4 with a minimum of 4 Parameters numThorns Number of thorns See also numThorns setNumThornLevels 12 78 3 7 void QwtSimpleCompassRose setWid
387. tFillBrush const QBrush amp brush Change the brush of the liquid Parameters brush New brush The default brush is solid black See also fillBrush Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 86 QwtThermo Class Reference 441 12 86 3 28 void QwtThermo setFillColor const QColor amp c Change the color of the liquid Parameters c New color The default color is black See also fillColorQ 12 86 3 29 void QwtThermo setMargin int m Specify the distance between the pipe s endpoints and the widget s border The margin is used to leave some space for the scale labels If a large font is used it is advisable to adjust the margins Parameters m New Margin The default values are 10 for horizontal orientation and 20 for vertical orientation Warning The margin has no effect if the scale is disabled This function is a NOOP because margins are determined automatically 12 86 3 30 void QwtThermo setMaxValue double max Set the maximum value Parameters max Maximum value See also max Value setMin Value 12 86 3 31 void QwtThermo setMin Value double min Set the minimum value Parameters min Minimum value See also minValue setMax Value Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 86 QwtThermo Class Reference 442 12 86 3 32 void QwtThermo setOrientation Qt Orientation o ScalePos s Set
388. tMarker 288 boundingRect 288 draw 288 drawAt 288 label 289 labelAlignment 289 labelOrientation 289 linePen 289 LineStyle 288 lineStyle 290 QwtPlotMarker 288 rtti 290 setLabel 290 setLabelAlignment 290 setLabelOrientation 291 setLinePen 291 setLineStyle 291 setSpacing 291 setSymbol 292 setValue 292 setX Value 292 setY Value 292 spacing 292 symbol 293 value 293 xValue 293 yValue 293 QwtPlotPanner 293 QwtPlotPanner 295 canvas 295 isAxisEnabled 295 moveCanvas 295 plot 295 296 QwtPlotPanner 294 setAxisEnabled 296 QwtPlotPicker 296 QwtPlotPicker 298 append 299 appended 299 canvas 300 end 300 invTransform 300 move 301 moved 301 plot 301 QwtPlotPicker 298 299 scaleRect 301 selected 302 setAxis 302 trackerText 302 303 transform 303 xAxis 303 yAxis 304 QwtPlotPrintFilter 304 QwtPlotPrintFilter 305 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 471 apply 306 rtti 322 color 306 scaleDiv 322 font 306 scaleDraw 322 Item 305 setAlignment 323 Options 305 options 306 QwtPlotPrintFilter 305 reset 306 setOptions 307 QwtPlotRasterItem 307 QwtPlotRasterltem 309 alpha 309 CachePolicy 308 cachePolicy 309 draw 310 invalidateCache 310 QwtPlotRasterItem 309 rasterHint 310 renderImage 310 setAlpha 311 setCachePolicy 311 QwtPlotRescaler 311 QwtPlotRescaler 313 aspectRa
389. tPicker 194 QwtPlotPicker 301 needle QwtDial 92 normalized QwtDoubleInterval 109 num QwtArrowButton 54 numButtons QwtCounter 74 numCols QwtDynGridLayout 122 numRows QwtDynGridLayout 123 numThornLevels QwtSimpleCompassRose 395 numThorns QwtSimpleCompassRose 396 operator QwtAbstractScaleDraw 31 QwtAlphaColorMap 44 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 461 QwtArrayData 51 QwtCPointerData 79 QwtData 83 QwtLinearColorMap 157 QwtPolygonFData 346 QwtRoundScaleDraw 357 QwtScaleDraw 371 QwtScaleMap 380 QwtSpline 408 QwtText 422 operator QwtDoubleInterval 110 QwtScaleDiv 363 QwtSymbol 414 QwtText 422 operator amp QwtDoubleInterval 110 operator amp QwtDoubleInterval 110 Options QwtPlotLayout 277 QwtPlotPrintFilter 305 options QwtPlotPrintFilter 306 orientation QwtAbstractSlider 39 QwtPlotRescaler 315 QwtScaleDraw 371 orientations QwtPanner 181 origin QwtDial 93 pl QwtScaleMap 380 p2 QwtScaleMap 380 pageSize QwtDoubleRange 115 PaintAttribute QwtPlotCanvas 236 QwtPlotCurve 243 QwtText 418 paintCache QwtPlotCanvas 238 paintEvent QwtArrowButton 54 QwtDial 93 QwtKnob 137 QwtLegendItem 150 QwtPanner 181 QwtPlotCanvas 238 QwtScaleWidget 388 QwtSlider 401 QwtTextLabel 432 QwtThermo 438 QwtWheel 447 paintRect QwtPlotItem 270 palette QwtCompassRose 68 QwtDialNeedle 100 QwtPlotScalelItem 32
390. tPlot Zoomer for the other axes Note The realtime example includes an derived zoomer class that adds scrollbars to the plot canvas 12 66 2 Constructor amp Destructor Documentation 12 66 2 1 QwtPlotZoomer QwtPlotZoomer QwtPlotCanvas x canvas bool doReplot true explicit Create a zoomer for a plot canvas The zoomer is set to those x and y axis of the parent plot of the canvas that are enabled If both or no x axis are enabled the picker is set to QwtPlot xBottom If both or no y axis are enabled it is set to QwtPlot yLeft The selectionFlags are set to QwtPicker RectSelection QwtPicker ClickSelection the tracker mode to QwtPicker ActiveOnly Parameters canvas Plot canvas to observe also the parent object doReplot Call replot for the attached plot before initializing the zoomer with its scales This might be necessary when the plot is in a state with pending scale changes See also QwtPlot autoReplot QwtPlot replotQ setZoomBase 12 66 2 2 QwtPlotZoomer QwtPlotZoomer int xAxis int yAxis QwtPlotCanvas x canvas bool doReplot true explicit Create a zoomer for a plot canvas The selectionFlags are set to QwtPicker RectSelection QwtPicker ClickSelection the tracker mode to QwtPicker ActiveOnly Parameters xAxis X axis of the zoomer yAxis Y axis of the zoomer canvas Plot canvas to observe also the parent object doReplot Call replot for the attached plot before initializing th
391. tPlotCurve drawDots QPainter x painter const QwtScaleMap amp xMap const QwtScaleMap amp yMap int from int to const protected Draw dots Parameters painter Painter xMap x map yMap y map from index of the first point to be painted to index of the last point to be painted See also draw drawCurve drawSticks drawLines drawSteps 12 51 4 16 void QwtPlotCurve drawLines QPainter painter const QwtScaleMap amp xMap const QwtScaleMap amp yMap int from int to const protected Draw lines If the CurveAttribute Fitted is enabled a QwtCurveFitter tries to interpolate smooth the curve before it is painted Parameters painter Painter Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 249 xMap x map yMap y map from index of the first point to be painted to index of the last point to be painted See also setCurveAttribute setCurveFitter draw drawLines drawDots drawSteps drawSticks 12 51 4 17 void QwtPlotCurve drawSteps QPainter x painter const QwtScaleMap amp xMap const QwtScaleMap amp yMap int from int to const protected Draw step function The direction of the steps depends on Inverted attribute Parameters painter Painter xMap x map yMap y map from index of the first point to be painted to index of the last point to be painted See also CurveAttribute setCurveAttribute dr
392. tScaleDraw Class Reference 371 12 73 4 19 void QwtScaleDraw move const QPoint pos Move the position of the scale The meaning of the parameter pos depends on the alignment QwtScaleDraw LeftScale The origin is the topmost point of the backbone The backbone is a vertical line Scale marks and labels are drawn at the left of the backbone QwtScaleDraw RightScale The origin is the topmost point of the backbone The backbone is a vertical line Scale marks and labels are drawn at the right of the backbone QwtScaleDraw TopScale The origin is the leftmost point of the backbone The backbone is a horizontal line Scale marks and labels are drawn above the backbone QwtScaleDraw BottomScale The origin is the leftmost point of the backbone The backbone is a hori zontal line Scale marks and labels are drawn below the backbone Parameters pos Origin of the scale See also pos setLength 12 73 4 20 void QwtScaleDraw move int x inty inline Move the position of the scale See also move const QPoint amp 12 73 4 21 QwtScaleDraw amp QwtScaleDraw operator const QwtScaleDraw amp other Assignment operator 12 73 4 22 Qt Orientation QwtScaleDraw orientation const Return the orientation TopScale BottomScale are horizontal Qt Horizontal scales LeftScale RightScale are vertical Qt Vertical scales See also alignment Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide b
393. tScaleWidget void setTitle const QString amp title void setTitle const QwtText amp title QwtText title const void setBorderDist int start int end int startBorderDist const int endBorderDist const void getBorderDistHint int amp start int Send const void getMinBorderDist int amp start int amp end const void setMinBorderDist int start int end void setMargin int int margin const void setSpacing int td int spacing const void setPenWidth int int penWidth const void setScaleDiv QwtScaleTransformation x const QwtScaleDiv sd void setScaleDraw QwtScaleDraw const QwtScaleDraw x scaleDraw const QwtScaleDraw x scaleDraw void setLabelAlignment Qt Alignment void setLabelRotation double rotation void setColorBarEnabled bool bool isColorBarEnabled const void setColorBarWidth int int colorBarWidth const void setColorMap const QwtDoublelnterval amp const QwtColorMap amp QwtDoublelInterval colorBarInterval const const QwtColorMap amp colorMap const virtual QSize sizeHint const virtual QSize minimumSizeHint const int titleHeightForWidth int width const int dimForLength int length const QFont amp scaleFont const void drawColorBar QPainter xpainter const QRect amp rect const void drawTitle QPainter painter QwtScaleDraw Alignment const QRect amp rect const void setAlignment QwtScaleDraw Alignment QwtScaleDraw Align
394. tSvgItem A plot item which displays data in Scalable Vector Graphics SVG format 334 QwtPlotZoomer QwtPlotZoomer provides stacked zooming for a plot widget 337 QwtPolygonFData Data class containing a single QwtArray lt QwtDoublePoint gt object 345 QwtRasterData QwtRasterData defines an interface to any type of raster data 347 QwtRichTextEngine A text engine for Qt rich texts 351 QwtRoundScaleDraw A class for drawing round scales 353 QwtScaleArithmetic Arithmetic including a tolerance 358 QwtScaleDiv A class representing a scale division 360 QwtScaleDraw A class for drawing scales 364 QwtScaleEngine Base class for scale engines 373 QwtScaleMap A scale map 379 QwtScaleTransformation Operations for linear or logarithmic base 10 transformations 383 QwtScale Widget A Widget which contains a scale 385 QwtSimpleCompassRose A simple rose for QwtCompass 394 QwtSlider The Slider Widget 397 QwtSpline A class for spline interpolation 405 QwtSplineCurveFitter A curve fitter using cubic splines 409 QwtSymbol A class for drawing symbols 411 QwtText A class representing a text 416 QwtTextEngine Abstract base class for rendering text strings 427 QwtTextLabel A Widget which displays a QwtText 430 QwtThermo The Thermometer Widget 433 QwtWheel The Wheel Widget 444 12 Class Documentation 12 1 QwtEventPattern KeyPattern Class Reference A pattern for key events include lt qwt_eve
395. ta Class Reference os cts sopas a RS 345 12 67 1 Detailed Description o ee eosed erao seas daa a da 346 12 67 2 Constructor amp Destructor Documentation o o a 346 12 67 3 Member Function Documentation e e 346 12 68QwtRasterData Class Reference e 347 12 68 1 Detailed Description gt gt lt lt ss rs sea 348 12 68 2 Member Enumeration Documentation e a 348 12 68 3 Constructor amp Destructor Documentation cross Gee Ba 348 12 68 4 Member Function Documentation a 349 12 69QwtRichTextEngine Class Reference 0 000000 2022 2 ee 351 1269 1 Detailed Description lt lt 964 ase beeed bbe w ee Cw A 352 12 69 2 Constructor amp Destructor Documentation 2 64 4 66 bee ee ee 352 12 69 3 Member Function Documentation 2 00020 eee eee 352 12 70QwtRoundScaleDraw Class Reference 2 0 ee ee ee 353 1270 Detaled Description s i ae ee ee a Re 354 12 70 2 Constructor amp Destructor Documentation o 355 12 70 3 Member Function Documentation 0 00000 ee eee 355 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen CONTENTS a 12 71QwtScaleArithmetic Class Reference ee 358 12 711 Detailed Description lt cc es cacy iee r e a OES S 358 12 71 2 Member Function Documentation s s spec asea ampia pa tiad 358 12 720 wtScaleDi v
396. ted on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 4 Curve Plots 14 4 Curve Plots 5 Scatter Plot 6 Spectrogram Contour Plot x 7 Histogram 8 Dials Compasses Knobs Wheels Sliders Thermos 9 Deprecated List Member QwtPlot clear Use QwtPlotDeict detachItems instead Class QwtPlotPrintFilter In Qwt 5 0 the design of QwtPlot allows recommends writing individual Qwt Plotltems that are not known to QwtPlotPrintFilter So this concept is outdated and QwtPlotPrint Filter will be removed replaced in Qwt 6 x 10 Class Index 10 1 Class Hierarchy This inheritance list is sorted roughly but not completely alphabetically QwtEventPattern KeyPattern QwtEventPattern MousePattern QwtAbstractScale QwtKnob QwtSlider QwtThermo QwtAbstractScaleDraw QwtRoundScaleDraw QwtDialScaleDraw QwtScaleDraw QwtArrowButton 20 21 21 134 397 433 27 353 100 364 52 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 10 1 Class Hierarchy 15 QwtClipper 55 QwtColorMap 56 QwtAlphaColorMap 43 QwtLinearColorMap 154 QwtCompassRose 67 QwtSimpleCompassRose 394 QwtCurveFitter 80 QwtSplineCurveFitter 409 QwtData 81 QwtArrayData 49 QwtCPointerData 78 QwtPolygonFData 345 QwtDialNeedle 99 QwtCompassMagnetNeedle 64 QwtCompassWindArrow 68 QwtDialSimpleNeedle 102 QwtDoubleInterval 105 QwtDoubleRange 112 QwtAbstractSlider 34 QwtDial 84 QwtAnalogClock 45 QwtCo
397. ted with detach is equivalent to calling attach NULL See also attach QwtPlot plot 12 54 4 4 virtual void QwtPlotItem draw QPainter painter const QwtScaleMap amp xMap const QwtScaleMap amp yMap const QRect amp canvasRect const pure virtual Draw the item Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 54 QwtPlotltem Class Reference 269 Parameters painter Painter xMap Maps x values into pixel coordinates yMap Maps y values into pixel coordinates canvasRect Contents rect of the canvas in painter coordinates Implemented in QwtPlotCurve QwtPlotGrid QwtPlotMarker QwtPlotRasterltem QwtPlotScaleltem QwtPlotSpectrogram and QwtPlotS vgltem 12 54 4 5 void QwtPlotItem hide Hide the item 12 54 4 6 QwtDoubleRect QwtPlotItem invTransform const QwtScaleMap amp xMap const QwtScaleMap amp yMap const QRect amp rect const Transform a rectangle from paint to scale coordinates Parameters xMap X map yMap Y map rect Rectangle in paint coordinates Returns Rectangle in scale coordinates See also transform 12 54 4 7 bool QwtPlotItem is Visible const Returns true if visible See also setVisible show hide 12 54 4 8 void QwtPlotItem itemChanged virtual Update the legend and call QwtPlot autoRefresh for the parent plot See also updateLegend Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by
398. tedPoints 12 80 2 Member Enumeration Documentation 12 80 2 1 enum QwtSpline SplineType Spline type 12 80 3 Constructor amp Destructor Documentation 12 80 3 1 QwtSpline QwtSpline Constructor 12 80 3 2 QwtSpline QwtSpline const QwtSpline amp other Copy constructor Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 80 QwtSpline Class Reference 407 Parameters other Spline used for initilization 12 80 3 3 QwtSpline QwtSpline Destructor 12 80 4 Member Function Documentation 12 80 4 1 bool QwtSpline buildNaturalSpline const QPolygonF points protected Determines the coefficients for a natural spline Returns true if successful 12 80 4 2 bool QwtSpline buildPeriodicSpline const QPolygonF amp points protected Determines the coefficients for a periodic spline Returns true if successful 12 80 4 3 const QwtArray lt double gt amp QwtSpline coefficientsA const Returns A coefficients 12 80 4 4 const QwtArray lt double gt amp QwtSpline coefficientsB const Returns B coefficients Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 80 QwtSpline Class Reference 408 12 80 4 5 const QwtArray lt double gt amp QwtSpline coefficientsC const Returns C coefficients 12 80 4 6 bool QwtSpline is Valid const True if valid 12 80 4 7 QwtSpline amp QwtSpline operator con
399. tem Rtti_PlotSVG Reimplemented from QwtPlotltem 12 65 3 7 QwtDoubleRect QwtPlotSvgltem viewBox const QwtDoubleRect amp rect const protected Calculate the viewBox from an rect and boundingRect Parameters rect Rectangle in scale coordinates Returns viewBox View Box see QSvgRenderer viewBox 12 66 QwtPlotZoomer Class Reference QwtPlotZoomer provides stacked zooming for a plot widget include lt qwt_plot_zoomer h gt Inheritance diagram for QwtPlotZoomer QwtEventPattern QwiPicker QwtPlotPicker QwtPlotZoomer Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 66 QwtPlotZoomer Class Reference 338 Public Slots e void moveBy double x double y e virtual void move double x double y e virtual void zoom const QwtDoubleRect 4 e virtual void zoom int up Signals e void zoomed const QwtDoubleRect amp rect Public Member Functions e QwtPlotZoomer QwtPlotCanvas bool doReplot true e QwtPlotZoomer int xAxis int yAxis QwtPlotCanvas bool doReplot true e QwtPlotZoomer int xAxis int yAxis int selectionFlags DisplayMode trackerMode QwtPlotCan vas bool doReplot true virtual void setZoomBase bool doReplot true virtual void setZoomBase const QwtDoubleRect amp QwtDoubleRect zoomBase const QwtDoubleRect zoomRect const virtual void setAxis int xAxis int yAxis void setMaxStackDepth int int maxStackDepth const
400. ter const QPoint amp center int radius double north QPalette ColorGroup const e virtual void drawScaleContents QPainter x const QPoint amp center int radius const e virtual void keyPressEvent QKeyEvent x 12 12 1 Detailed Description A Compass Widget QwtCompass is a widget to display and enter directions It consists of a scale an optional needle and rose Note The examples dials example shows how to use QwtCompass Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 12 QwtCompass Class Reference 61 12 12 22 Constructor amp Destructor Documentation 12 12 2 1 QwtCompass QwtCompass QWidget x parent NULL explicit Constructor Parameters parent Parent widget Create a compass widget with a scale no needle and no rose The default origin is 270 0 with no valid value It accepts mouse and keyboard inputs and has no step size The default mode is QwtDial RotateNeedle 12 12 2 2 QwtCompass QwtCompass virtual Destructor 12 12 3 Member Function Documentation 12 12 3 1 void QwtCompass drawRose QPainter x painter const QPoint amp center int radius double north QPalette ColorGroup cg const protected virtual Draw the compass rose Parameters painter Painter center Center of the compass radius of the circle where to paint the rose north Direction pointing north in degrees counter clockwise cg Color group 12 12 3 2 void QwtCompass drawScaleCont
401. terval setInterval double minValue double maxValue int borderFlags IncludeBorders inline Assign the limits of the interval Parameters minValue Minimum value maxValue Maximum value borderFlags Include Exclude borders 12 24 4 23 void QwtDoubleInterval setMaxValue double maxValue inline Assign the upper limit of the interval Parameters maxValue Maximum value 12 24 4 24 void QwtDoubleInterval setMinValue double minValue inline Assign the lower limit of the interval Parameters minValue Minimum value Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 25 QwtDoubleRange Class Reference 112 12 24 4 25 QwtDoubleInterval QwtDoubleInterval symmetrize double value const Adjust the limit that is closer to value so that value becomes the center of the interval Parameters value Center Returns Interval with value as center 12 24 4 26 QwtDoubleInterval QwtDoubleInterval unite const QwtDoubleInterval amp other const Unite 2 intervals 12 24 4 27 double QwtDoubleInterval width const inline Return the width of an interval The width of invalid intervals is 0 0 otherwise the result is max Value min Value See also isValid 12 25 QwtDoubleRange Class Reference A class which controls a value within an interval include lt qwt_double_range h gt Inheritance diagram for QwtDoubleRange QwtDoubleRange QwtAbstractSlider QwiCounter
402. th double width Set the width of the rose heads Lower value make thinner heads The range is limited from 0 03 to 0 4 Parameters width Width Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 79 QwtSlider Class Reference 397 12 78 3 8 double QwtSimpleCompassRose width const inline See also setWidth 12 79 QwtSlider Class Reference The Slider Widget include lt qwt_slider h gt Inheritance diagram for QwtSlider QwtDoubleRange QwtAbstractSlider QwtAbstractScale QwtSlider Public Types e enum ScalePos NoScale LeftScale RightScale TopScale BottomScale enum BGSTYLE BgTrough 0x1 BgSlot 0x2 BgBoth BgTrough BgSlot Public Member Functions e QwtSlider QWidget parent Qt Orientation Qt Horizontal ScalePos NoScale BGSTYLE bgStyle BgTrough e virtual void setOrientation Qt Orientation e void setBgStyle BGSTYLE Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 79 QwtSlider Class Reference 398 BGSTYLE bgStyle const void setScalePosition ScalePos s ScalePos scalePosition const int thumbLength const int thumb Width const int borderWidth const void setThumbLength int 1 void setThumbWidth int w void setBorderWidth int bw void setMargins int x int y virtual QSize sizeHint const virtual QSize minimumSizeHint const void setScaleDraw QwtScaleDraw
403. th int const virtual QSize sizeHint const virtual bool isEmpty const uint itemCount const virtual uint columnsForWidth int width const Protected Member Functions e void layoutGrid uint numCols QwtArray lt int gt amp rowHeight QwtArray lt int gt amp colWidth const e void stretchGrid const QRect amp rect uint numCols QwtArray lt int gt amp rowHeight QwtArray lt int gt amp colWidth const 12 26 1 Detailed Description The QwtDynGridLayout class lays out widgets in a grid adjusting the number of columns and rows to the current size QwtDynGridLayout takes the space it gets divides it up into rows and columns and puts each of the widgets it manages into the correct cell s It lays out as many number of columns as possible limited by maxCols 12 26 2 Constructor amp Destructor Documentation 12 26 2 1 QwtDynGridLayout QwtDynGridLayout QWidget x parent int margin 0 int spacing 1 explicit Parameters parent Parent widget margin Margin spacing Spacing 12 26 2 2 QwtDynGridLayout QwtDynGridLayout int spacing 1 explicit Parameters spacing Spacing Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 26 QwtDynGridLayout Class Reference 120 12 26 2 3 QwtDynGridLayout QwtDynGridLayout virtual Destructor 12 26 3 Member Function Documentation 12 26 3 1 void QwtDynGridLayout addItem QLayoutltem x item virtual Adds item to
404. the new scale position is QwtSlider NoScale the scale orientation will not change 12 79 4 24 void QwtSlider setThumbLength int thumbLength Set the slider s thumb length Parameters thumbLength new length 12 79 4 25 void QwtSlider setThumb Width int w Change the width of the thumb Parameters w new width 12 79 4 26 QSize QwtSlider sizeHint const virtual Returns QwtSlider minimumSizeHint 12 79 4 27 int QwtSlider thumbLength const Returns the thumb length 12 79 4 28 int QwtSlider thumbWidth const Returns the thumb width Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 80 QwtSpline Class Reference 405 12 79 4 29 void QwtSlider valueChange Notify change of value Reimplemented from QwtAbstractSlider 12 79 4 30 Parameters value Value 12 80 QwtSpline Class Reference A class for spline interpolation include lt qwt_spline h gt Public Types enum SplineType Natural Periodic Public Member Functions QwtSpline QwtSpline const QwtSpline amp QuwtSpline QwtSpline amp operator const QwtSpline amp void setSplineType SplineType SplineType splineType const bool setPoints const QPolygonF amp points QPolygonF points const void reset bool is Valid const double value double x const const QwtArray lt double gt amp coefficientsA const const QwtArray lt double
405. the plot canvas or only affects the scales of the plot widget They can be categorized as e Representator A Representator is an item that represents some sort of data on the plot canvas The different representator classes are organized according to the characteristics of the data QwtPlotMarker Represents a point or a horizontal vertical coordinate QwtPlotCurve Represents a series of points QwtPlotSpectrogram QwtPlotRasterItem Represents raster data Decorators A Decorator is an item that displays additional information that is not related to any data QwtPlotGrid Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 54 QwtPlotltem Class Reference 267 QwtPlotScaleltem QwtPlotSvgltem Depending on the QwtPlotItem ItemAttribute flags an item is included into autoscaling or has an entry on the legnd Before misusing the existing item classes it might be better to implement a new type of plot item don t im plement a watermark as spectrogram Deriving a new type of QwtPlotltem primarily means to implement the YourPlotltem draw method See also The cpuplot example shows the implementation of additional plot items 12 54 2 Member Enumeration Documentation 12 54 2 1 enum QwtPlotItem ItemAttribute Plot Item Attributes Legend The item is represented on the legend e AutoScale The boundingRect of the item is included in the autoscaling calculatio
406. the text flags Bitwise OR of the flags used like in QPainter drawText text Text to be rendered width Width Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 48 QwtPlainTextEngine Class Reference 211 Returns Calculated height Implements QwtTextEngine 12 48 3 3 bool QwtPlainTextEngine mightRender const QString amp const virtual Test if a string can be rendered by this text engine Returns Always true All texts can be rendered by QwtPlainTextEngine Implements QwtTextEngine 12 48 3 4 void QwtPlainTextEngine textMargins const QFont amp font const QString int amp left int amp right int amp top int amp bottom const virtual Return margins around the texts Parameters font Font of the text left Return 0 right Return 0 top Return value for the top margin bottom Return value for the bottom margin Implements QwtTextEngine 12 48 3 5 QSize QwtPlainTextEngine textSize const QFont amp font int flags const QString text const virtual Returns the size that is needed to render text Parameters font Font of the text flags Bitwise OR of the flags used like in QPainter drawText text Text to be rendered Returns Caluclated size Implements QwtTextEngine Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 212 12 49 QwtPlot Class Reference A 2 D plotting widget include lt
407. they will be a QwtLegendItem See also QwtLegendItem QwtLegendItemManager QwtPlot 12 30 2 Member Enumeration Documentation 12 30 2 1 enum QwtLegend LegendDisplayPolicy Display policy e Noldentifier The client code is responsible how to display of each legend item The Qwt library will not interfere e FixedIdentifier All legend items are displayed with the QwtLegendItem IdentifierMode to be passed in mode e Autoldentifier Each legend item is displayed with a mode that is a bitwise or of QwtLegendItem ShowLine if its curve is drawn with a line and QwtLegendItem ShowSymbol if its curve is drawn with symbols and QwtLegendItem ShowText if the has a title Default is AutoIdentifier See also setDisplayPolicy displayPolicy QwtLegendItem IdentifierMode Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 30 QwtLegend Class Reference 141 12 30 2 2 enum QwtLegend LegendItemMode Interaction mode for the legend items e ReadOnlyltem The legend item is not interactive like a label e Clickableltem The legend item is clickable like a push button e Checkableltem The legend item is checkable like a checkable button Default is ReadOnlyltem See also setltemMode itemMode QwtLegendItem IdentifierMode QwtLegendItem clicked QwtLegen dItem checked QwtPlot legendClicked QwtPlot legendChecked 12 30 3 Constructor amp Dest
408. tio 314 canvas 314 eventFilter 314 expandingDirection 314 expandInterval 314 expandScale 315 interval 315 isEnabled 315 orientation 315 plot 316 QwtPlotRescaler 313 referenceAxis 316 rescale 316 RescalePolicy 313 rescalePolicy 316 setAspectRatio 317 setEnabled 317 setExpandingDirection 317 318 setReferenceAxis 318 setRescalePolicy 318 syncScale 318 updateScales 319 QwtPlotScaleItem 319 QwtPlotScaleItem 321 borderDistance 321 draw 321 font 321 isScaleDivFromAxis 321 palette 321 position 322 QwtPlotScalelItem 320 setBorderDistance 323 setFont 323 setPalette 324 setPosition 324 setScaleDiv 324 setScaleDivFromAxis 324 setScaleDraw 325 updateScaleDiv 325 QwtPlotSpectrogram 325 QwtPlotSpectrogram 328 boundingRect 328 colorMap 328 contourLevels 328 contourPen 328 contourRasterSize 329 data 329 defaultContourPen 330 DisplayMode 327 draw 330 drawContourLines 330 QwtPlotSpectrogram 327 rasterHint 330 renderContourLines 331 renderImage 331 rtti 331 setColorMap 332 setConrecAttribute 332 setContourLevels 332 setData 332 setDefaultContourPen 333 setDisplay Mode 333 testConrecAttribute 333 testDisplayMode 333 QwtPlotSvgltem 334 QwtPlotSvgltem 335 boundingRect 335 draw 335 loadData 336 loadFile 336 QwtPlotSvgltem 335 render 336 rtti 336 viewBox 337 QwtPlotZoomer 337 accept 340 begin 340 end 340 maxStackDepth
409. tion gt pa PG a a ee SC ee Sd 259 1253 2 Constructor amp Destructor Documentation co ros mesias 260 12 53 3 Member Function Documentation e 260 12 54QwtPlotltem Class Reference o cosce n 12222 265 17 341 Detaled Description s e cs ranea epea a eR a RS 266 12 54 2 Member Enumeration Documentation soosoo a 267 12 54 3 Constructor amp Destructor Documentation sooo a 267 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen CONTENTS viii 12 54 4 Member Function Documentation e 268 12 55 Q0wiPlotLayout Class Referenc gt sisas a a ee es 276 12 531 Detailed Description gt o e ek ee SEERA a ee 277 12 55 2 Member Enumeration Documentation 2 02000 277 12 55 3 Constructor amp Destructor Documentation 24 26 64 2 sara Be 277 12 55 4 Member Function Documentation 000 020 eee 277 12 56QwtPlotMagnifier Class Reference 2 2 0 0 o 284 12 56 1 Detailed Description gt lt esc serep suig ateoa a eS ek eo 284 12 56 2 Constructor amp Destructor Documentation a 284 12 56 3 Member Function Documentation lt e ee ee 285 12 57 QwtPlotMarker Class Reference o2o co cion sais a 286 12 51 Detaled Destrpiion lt s e danei ds ae ds ER RR 287 12 57 2 Member Enumeration Documentation e 288 12 57 3 Constructor amp Destructor Do
410. tions Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 55 QwtPlotLayout Class Reference 279 12 55 4 5 int QwtPlotLayout canvasMargin int axis const Returns Margin around the scale tick borders See also setCanvasMargin 12 55 4 6 const QRect amp QwtPlotLayout canvasRect const Returns Geometry for the canvas See also activate invalidate 12 55 4 7 void QwtPlotLayout expandLineBreaks int options const QRect amp rect int amp dimTitle int dimAxis QwtPlot axisCnt const protected Expand all line breaks in text labels and calculate the height of their widgets in orientation of the text Parameters options Options how to layout the legend rect Bounding rect for title axes and canvas dimTitle Expanded height of the title widget dimAxis Expanded heights of the axis in axis orientation See also Options 12 55 4 8 void QwtPlotLayout invalidate virtual Invalidate the geometry of all components See also activate Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 55 QwtPlotLayout Class Reference 280 12 55 4 9 QRect QwtPlotLayout layoutLegend int options const QRect amp rect const protected Find the geometry for the legend Parameters options Options how to layout the legend rect Rectangle where to place the legend Returns Geometry for the legend See also Options 12 55 4 10 QwtPlo
411. to deletion is enabled See also setAutoDelete attachItem 12 52 2 2 QwtPlotDict QwtPlotDict Destructor If autoDelete is on all attached items will be deleted See also setAutoDelete autoDelete attachltem 12 52 3 Member Function Documentation 12 52 3 1 bool QwtPlotDict autoDelete const Returns true if auto deletion is enabled Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 53 QwtPlotGrid Class Reference 258 See also setAutoDelete attachltem 12 52 3 2 void QwtPlotDict detachItems int rtti QwtPlotItem Rtti_PlotItem bool autoDelete true Detach items from the dictionary Parameters rtti In case of QwtPlotItem Rtti_PlotItem detach all items otherwise only those items of the type rtti autoDelete If true delete all detached items 12 52 3 3 const QwtPlotItemList amp QwtPlotDict itemList const A QwtPlotltemList of all attached plot items Use caution when iterating these lists as removing detaching an item will invalidate the iterator Instead you can place pointers to objects to be removed in a removal list and traverse that list later Returns List of all attached plot items 12 52 3 4 void QwtPlotDict setAutoDelete bool autoDelete En Disable Auto deletion If Auto deletion is on all attached plot items will be deleted in the destructor of QwtPlotDict The default value is on See also autoDelete attachItem 12 5
412. tructor Documentation o o a 210 12 48 3 Member Function Documentation e e e 210 12 49QwtPlot Class Reference 2 5 cei ee Ra Re ae 212 1249 1 Detaled Description o me ko A e p eG Be eee a 214 12 49 2 Member Enumeration Documentation 2 0 22 00 215 12 49 3 Constructor amp Destructor Documentation 2 0 02000 216 12 49 4 Member Function Documentation 20 0020 ee eee 216 12 50QwtPlotCanvas Class Reference e 235 12 501 Detiled Description s eze oed ia g ts eee A AS 235 12 50 2 Member Enumeration Documentation 00 236 12 50 3 Constructor amp Destructor Documentation o 236 12 50 4 Member Function Documentation 2 00022 eee e 237 1231 QwtPlotCurve Class Reference oo s cisco a 239 12 51 1 Detailed Description lt o lt s e s ses t Eae ea da a Ee aS 242 12 51 2 Member Enumeration Documentation soosoo a 242 12 51 3 Constructor amp Destructor Documentation 6 ee ee a 244 12 51 4 Member Function Documentation a 245 12 520wtPlotDi t Class Reference oc 24 eR E a 256 1252 Detaled Destiphion cse da e S a eR a Ee eS 257 12 52 2 Constructor amp Destructor Documentation cio sierra Ge ee Ba 257 12523 Member Function Doctmentation lt lt senpa e a h a A E R E a 257 12 53QwtPlotGrid Class Reference o o eo ew ee ee eae 258 12 53 Detailed Descrip
413. ttom e xTop 12 49 2 2 enum QwtPlot LegendPosition Position of the legend relative to the canvas e LeftLegend The legend will be left from the yLeft axis e RightLegend The legend will be right from the yLeft axis e BottomLegend The legend will be right below the xBottom axis e TopLegend The legend will be between xTop axis and the title e ExternalLegend External means that only the content of the legend will be handled by QwtPlot but not its geometry This might be interesting if an application wants to have a legend in an external window or on the canvas Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 49 QwtPlot Class Reference 216 Note In case of ExternalLegend the legend is not printed by print See also insertLegend 12 49 3 Constructor amp Destructor Documentation 12 49 3 1 QwtPlot QwtPlot QWidget x parent NULL explicit Constructor Parameters parent Parent widget 12 49 3 2 QwtPlot QwtPlot const QwtText amp title Q Widget x parent NULL explicit Constructor Parameters title Title text parent Parent widget 12 49 3 3 QwtPlot QwtPlot virtual Destructor 12 49 4 Member Function Documentation 12 49 4 1 void QwtPlot applyProperties const QString amp This method is intended for manipulating the plot widget from a specific editor in the Qwt designer plugin Warning The plot editor has never been implemented 12
414. ttons contained in QwtCounter Reimplemented from QwtDoubleRange 12 16 4 11 void QwtCounter setEditable bool editable Allow disallow the user to manually edit the value Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 16 QwtCounter Class Reference 75 Parameters editable true enables editing See also editable 12 16 4 12 void QwtCounter setIncSteps QwtCounter Button bin int nSteps Specify the number of steps by which the value is incremented or decremented when a specified button is pushed Parameters btn One of QwtCounter Buttonl QwtCounter Button2 QwtCounter Button3 nSteps Number of steps 12 16 4 13 void QwtCounter setMax Value double value Set the maximum value of the range Parameters value Maximum value See also setMinValue max Val 12 16 4 14 void QwtCounter setMinValue double value Set the minimum value of the range Parameters value Minimum value See also setMax Value min Val 12 16 4 15 void QwtCounter setNumButtons int n Specify the number of buttons on each side of the label Parameters n Number of buttons Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 16 QwtCounter Class Reference 76 12 16 4 16 void QwtCounter setStep double stepSize Set the step size Parameters stepSize Step size See also QwtDoubleRange setStep Reimplemented from QwtDoubleRange 12
415. tyle2 e QColorGroup Dark Used for the dark half of Style2 See also QwtDial QwtCompass 12 15 2 Member Enumeration Documentation 12 15 2 1 enum QwtCompassWindArrow Style Style of the arrow 12 15 3 Constructor amp Destructor Documentation 12 15 3 1 QwtCompassWindArrow QwtCompassWindArrow Style style const QColor amp light Ot white const QColor amp dark Qt gray Constructor Parameters style Arrow style light Light color dark Dark color 12 15 4 Member Function Documentation 12 15 4 1 void QwtCompassWindArrow draw QPainter x painter const QPoint amp center int length double direction QPalette ColorGroup colorGroup QPalette Active const virtual Draw the needle Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 16 QwtCounter Class Reference 70 Parameters painter Painter center Center of the dial start position for the needle length Length of the needle direction Direction of the needle in degrees counter clockwise colorGroup Color group used for painting Implements QwtDialNeedle 12 15 4 2 void QwtCompassWindArrow drawStylelNeedle QPainter x painter const QPalette amp palette QPalette ColorGroup colorGroup const QPoint amp center int length double direction static Draw a compass needle Parameters painter Painter palette Palette colorGroup colorGroup center Center of the dial start position for the needle le
416. ubberBandPen 12 41 4 20 QPen QwtPicker rubberBandPen const Returns Rubberband pen See also setRubberBandPen rubberBand 12 41 4 21 const QWidget x QwtPicker rubberBand Widget const protected Returns Widget displaying the rubberband 12 41 4 22 void QwtPicker selected const QwtPolygon amp pa signal A signal emitting the selected points at the end of a selection Parameters pa Selected points Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 196 12 41 4 23 const QwtPolygon QwtPicker selection const Return Selected points 12 41 4 24 int QwtPicker selectionFlags const Returns Selection flags an Or d value of SelectionType RectSelectionType and SelectionMode See also setSelectionFlags SelectionType RectSelectionType SelectionMode 12 41 4 25 void QwtPicker setEnabled bool enabled virtual En disable the picker When enabled is true an event filter is installed for the observed widget otherwise the event filter is re moved Parameters enabled true or false See also isEnabled eventFilter 12 41 4 26 void QwtPicker setResizeMode ResizeMode mode virtual Set the resize mode The resize mode controls what to do with the selected points of an active selection when the observed widget is resized Stretch means the points are scaled according to the new size KeepSize means the p
417. ue and in the state value the same key flags Qt KeyButtonMask are set Parameters pattern Index of the event pattern e Mouse event Returns true if matches See also keyMatch 12 27 4 9 QwtArray lt QwtEventPattern MousePattern gt amp QwtEventPattern mousePattern Return ouse patterns 12 27 4 10 const QwtArray lt QwtEventPattern MousePattern gt amp QwtEventPattern mousePattern const Return mouse patterns 12 27 4 11 void QwtEventPattern setKeyPattern const QwtArray lt KeyPattern gt amp pattern Change the key event patterns 12 27 4 12 void QwtEventPattern setKeyPattern uint pattern int key int state Qt NoButton Change one key pattern Parameters pattern Index of the pattern key Key state State See also QKeyEvent Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 28 QwtIntervalData Class Reference 132 12 27 4 13 void QwtEventPattern setMousePattern const QwtArray lt MousePattern gt pattern Change the mouse event patterns 12 27 4 14 void QwtEventPattern setMousePattern uint pattern int button int state Qt NoButton Change one mouse pattern Parameters pattern Index of the pattern button Button state State See also QMouseEvent 12 28 QwtIntervalData Class Reference Series of samples of a value and an interval include lt qwt_interval_data h gt Public Member Functions e QwtIntervalData
418. uildNaturalSpline 407 buildPeriodicSpline 407 coefficientsA 407 coefficientsB 407 coefficientsC 407 isValid 408 operator 408 points 408 QwtSpline 406 reset 408 setPoints 408 setSplineType 408 SplineType 406 splineType 409 value 409 QwtSplineCurveFitter 409 QwtSplineCurveFitter 410 fitCurve 410 fitMode 410 QwtSplineCurveFitter 410 setFitMode 411 setSplineSize 411 splineSize 411 QwtSymbol 411 QwtSymbol 413 brush 413 clone 413 draw 414 operator 414 pen 414 QwtSymbol 413 setBrush 414 setPen 415 setSize 415 setStyle 415 size 416 Style 413 style 416 QwtText 416 QwtText 420 backgroundBrush 420 backgroundPen 420 color 420 draw 421 font 421 heightForWidth 421 isEmpty 421 isNull 421 LayoutAttribute 418 operator 422 operator 422 PaintAttribute 418 QwtText 420 renderFlags 422 setBackgroundBrush 422 setBackgroundPen 422 setColor 422 setFont 423 setLayoutAttribute 423 setPaintAttribute 423 setRenderFlags 423 setText 424 setTextEngine 424 testLayoutAttribute 424 testPaintAttribute 425 text 425 textEngine 425 TextFormat 419 textSize 426 usedColor 426 usedFont 426 QwtTextEngine 427 QwtTextEngine 428 draw 428 heightForWidth 428 mightRender 428 QwtTextEngine 428 textMargins 429 textSize 429 QwtTextLabel 430 QwtTextLabel 431 clear 431 drawContents 431 drawText 431 heightForWidth 431 indent 432 ma
419. unctions e QwtDoubleRect scaleRect const e QwtDoubleRect invTransform const QRect amp const e QRect transform const QwtDoubleRect amp const e QwtDoublePoint invTransform const QPoint amp const e QPoint transform const QwtDoublePoint amp const virtual QwtText trackerText const QPoint amp const virtual QwtText trackerText const QwtDoublePoint amp const virtual void move const QPoint amp virtual void append const QPoint amp virtual bool end bool ok true 12 59 1 Detailed Description QwtPlotPicker provides selections on a plot canvas QwtPlotPicker is a QwtPicker tailored for selections on a plot canvas It is set to a x Axis and y Axis and translates all pixel coordinates into this coodinate system 12 59 2 Constructor amp Destructor Documentation 12 59 2 1 QwtPlotPicker QwtPlotPicker QwtPlotCanvas canvas explicit Create a plot picker The picker is set to those x and y axis of the plot that are enabled If both or no x axis are enabled the picker is set to QwtPlot xBottom If both or no y axis are enabled it is set to QwtPlot yLeft Parameters canvas Plot canvas to observe also the parent object See also QwtPlot autoReplot QwtPlot replotO QwtPlotPicker scaleRect 12 59 2 2 QwtPlotPicker QwtPlotPicker virtual Destructor 12 59 2 3 QwtPlotPicker QwtPlotPicker int xAxis int yAxis QwtPlotCanvas canvas explicit Create a plot picker Paramet
420. us size newSize Current size See also ResizeMode setResizeMode resizeMode 12 41 4 35 QFont QwtPicker trackerFont const Returns Tracker font See also setTrackerFont trackerMode trackerPen 12 41 4 36 QwtPicker DisplayMode QwtPicker trackerMode const Returns Tracker display mode See also setTrackerMode DisplayMode 12 41 4 37 QPen QwtPicker trackerPen const Returns Tracker pen See also setTrackerPen trackerMode trackerFont Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 200 12 41 4 38 QPoint QwtPicker trackerPosition const Returns Current position of the tracker 12 41 4 39 QkRect QwtPicker trackerRect const QFont amp font const Calculate the bounding rectangle for the tracker text from the current position of the tracker Parameters font Font of the tracker text Returns Bounding rectangle of the tracker text See also trackerPosition 12 41 4 40 QwtText QwtPicker trackerText const QPoint amp pos const virtual Return the label for a position In case of HLineRubberBand the label is the value of the y position in case of VLineRubberBand the value of the x position Otherwise the label contains x and y position separated by a The format for the string conversion is d Parameters pos Position Returns Converted position as string Reimplemented i
421. val log 1 0 interval minValue log 10 interval max Value 12 35 2 4 QwtDoubleInterval QwtLog10ScaleEngine pow10 const QwtDoubleInterval interval const protected Return the interval pow10 interval min Value pow 1 0 interval max Value 12 35 2 5 QwtScaleTransformation QwtLog10ScaleEngine transformation const virtual Return a transformation for logarithmic base 10 scales Implements QwtScaleEngine 12 36 QwtMagnifier Class Reference QwtMagnifier provides zooming by magnifying in steps include lt qwt_magnifier h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 36 QwtMagnifier Class Reference 163 Inheritance diagram for QwtMagnifier QwtMagnifier QwtPlotMagnifier Public Member Functions QwtMagnifier QWidget x virtual QwtMagnifier QWidget x parentWidget const QWidget x parentWidget const void setEnabled bool bool isEnabled const void setMouseFactor double double mouseFactor const void setMouseButton int button int buttonState Qt NoButton void getMouseButton int amp button int amp buttonState const void setWheelFactor double double wheelFactor const void setWheelButtonState int buttonState int wheelButtonState const void setKeyFactor double double keyFactor const void setZoomInKey int key int modifiers void getZoomInKey int amp key int amp modifiers const void setZoomOutKey int key
422. vas Implements QwtPlotltem Reimplemented in QwtPlotSpectrogram 12 61 4 4 void QwtPlotRasterItem invalidateCache Invalidate the paint cache See also setCachePolicy 12 61 4 5 QSize QwtPlotRasterItem rasterHint const QwtDoubleRect amp const virtual Returns the recommended raster for a given rect Fe the raster hint can be used to limit the resolution of the image that is rendered The default implementation returns an invalid size QSize what means no hint Reimplemented in QwtPlotSpectrogram 12 61 4 6 virtual QImage QwtPlotRasterItem renderImage const QwtScaleMap amp xMap const QwtScaleMap amp yMap const QwtDoubleRect amp area const protected pure virtual Renders an image for an area The format of the image must be Qlmage Format_Indexed8 Qlmage Format_RGB32 or QImage Format_ARGB32 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 62 QwtPlotRescaler Class Reference 311 Parameters xMap Maps x values into pixel coordinates yMap Maps y values into pixel coordinates area Requested area for the image in scale coordinates Implemented in QwtPlotSpectrogram 12 61 4 7 void QwtPlotRasterItem setAlpha int alpha Set an alpha value for the raster data Often a plot has several types of raster data organized in layers f e a geographical map with weather statistics Using setAlpha raster items can be stacked easily The alpha value is a valu
423. virtual Destructor 12 20 4 Member Function Documentation 12 20 4 1 QRect QwtDial boundingRect const Returns bounding rect of the dial including the frame See also setLineWidth scaleContentsRect contentsRect Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 20 QwtDial Class Reference 88 12 20 4 2 QRect QwtDial contentsRect const Returns bounding rect of the circle inside the frame See also setLineWidth scaleContentsRect boundingRect 12 20 4 3 QwtDial Direction QwtDial direction const Returns Direction of the dial The default direction of a dial is QwtDial Clockwise See also setDirection 12 20 4 4 void QwtDial drawContents QPainter x painter const protected virtual Draw the contents inside the frame QColorGroup Background is the background color outside of the frame QColorGroup Base is the back ground color inside the frame QColorGroup Foreground is the background color inside the scale Parameters painter Painter See also boundingRect contentsRect scaleContentsRect QWidget setPalette 12 20 4 5 void QwtDial drawFocusIndicator QPainter x painter const protected virtual Draw a dotted round circle if isReadOnly Parameters painter Painter Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 20 QwtDial Class Reference 89 12 20 4 6 void QwtDial drawFram
424. w that is to say a work containing the Library or a portion of it either verbatim or with modifications and or translated straightforwardly into another language Hereinafter translation is included without limitation in the term modification Source code for a work means the preferred form of the work for making modifications to it For a library complete source code means all the source code for all modules it contains plus any associated interface definition files plus the scripts used to control compilation and installation of the library Activities other than copying distribution and modification are not covered by this License they are outside its scope The act of running a program using the Library is not restricted and output from such a program is covered only if its contents constitute a work based on the Library independent of the use of the Library in a tool for writing it Whether that is true depends on what the Library does and what the program that uses the Library does 1 You may copy and distribute verbatim copies of the Library s complete source code as you receive it in any medium provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty keep intact all the notices that refer to this License and to the absence of any warranty and distribute a copy of this License along with the Library You may charge a fee for the physical act of
425. widgetWheelEvent 169 QwtMathMLTextEngine 170 QwtMathMLtTextEngine 171 draw 171 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 467 heightForWidth 171 mightRender 172 QwtMathMLTextEngine 171 textMargins 172 textSize 172 QwtMetricsMap 173 translate 174 QwtPainter 174 deviceClipping 175 deviceClipRect 175 drawEllipse 175 drawLine 175 176 drawPie 176 drawPoint 176 drawPolygon 176 drawPolyline 176 drawRect 176 drawRoundFrame 176 drawSimpleRichText 176 drawText 177 fillRect 177 metricsMap 177 resetMetricsMap 177 scaledPen 177 setClipRect 178 setDeviceClipping 178 setMetricsMap 178 QwtPanner 179 QwtPanner 180 cursor 180 eventFilter 180 getAbortKey 180 getMouseButton 181 isEnabled 181 isOrientationEnabled 181 moved 181 orientations 181 paintEvent 181 panned 182 QwtPanner 180 setAbortKey 182 setCursor 182 setEnabled 182 setMouseButton 183 setOrientations 183 widgetKeyPressEvent 183 widgetKeyReleaseEvent 183 widgetMouseMoveEvent 183 widgetMousePressEvent 183 widgetMouseReleaseEvent 184 QwtPicker 184 QwtPicker 191 accept 191 append 191 appended 191 begin 192 changed 192 DisplayMode 188 drawRubberBand 192 drawTracker 192 end 192 eventFilter 193 isActive 193 isEnabled 193 move 193 moved 194 parentWidget 194 pickRect 194 QwtPicker 190 RectSelectionType 188 reset 194 ResizeMode
426. wt User s Guide by Doxygen INDEX 464 QwtCurveFitter 81 fitCurve 81 QwtCurveFitter 81 QwtData 81 QwtData 82 boundingRect 83 copy 83 operator 83 QwtData 82 size 83 x 83 y 83 QwtDial 84 QwtDial 87 boundingRect 87 contentsRect 87 Direction 86 direction 88 drawContents 88 drawFocusIndicator 88 drawFrame 88 drawNeedle 89 drawScale 89 drawScaleContents 89 frameShadow 90 getScrollMode 90 getValue 90 has VisibleBackground 90 keyPressEvent 91 line Width 91 maxScaleArc 91 minimumSizeHint 92 minScaleArc 92 Mode 86 mode 92 needle 92 origin 93 paintEvent 93 QwtDial 87 rangeChange 93 resizeEvent 93 scaleContentsRect 93 scaleDraw 94 scaleLabel 94 ScaleOptions 87 setDirection 94 setFrameShadow 94 setLine Width 95 setMode 95 setNeedle 95 setOrigin 95 setScale 96 setScaleArc 96 setScaleDraw 96 setScaleOptions 96 setScaleTicks 97 setWrapping 97 Shadow 87 showBackground 97 sizeHint 98 updateMask 98 updateScale 98 valueChange 98 wrapping 98 QwtDialNeedle 99 QwtDialNeedle 99 draw 100 drawKnob 100 palette 100 QwtDialNeedle 99 setPalette 100 QwtDialScaleDraw 100 label 101 penWidth 102 QwtDialScaleDraw 101 setPen Width 102 QwtDialSimpleNeedle 102 draw 104 drawArrowNeedle 104 drawRayNeedle 104 QwtDialSimpleNeedle 103 setWidth 104 Style 103 width 105 QwtDoubleInterval 105 borderFlags 107 BorderMode 106 contains
427. wtDialSimpleNeedle Style bool hasKnob true const QColor amp mid Qt gray const QColor amp base Qt darkGray e virtual void draw QPainter x const QPoint amp int length double direction QPalette ColorGroup QPalette Active const e void setWidth int width e int width const Static Public Member Functions e static void drawArrowNeedle QPainter x const QPalette QPalette ColorGroup const QPoint amp int length int width double direction bool hasKnob e static void drawRayNeedle QPainter const QPalette amp QPalette ColorGroup const QPoint amp int length int width double direction bool hasKnob 12 23 1 Detailed Description A needle for dial widgets The following colors are used e QColorGroup Mid Pointer e QColorGroup base Knob See also QwtDial QwtCompass 12 23 2 Member Enumeration Documentation 12 23 2 1 enum QwtDialSimpleNeedle Style Style of the needle 12 23 3 Constructor amp Destructor Documentation 12 23 3 1 QwtDialSimpleNeedle QwtDialSimpleNeedle Style style bool hasKnob true const QColor amp mid Qt gray const QColor amp base Qt darkGray Constructor Parameters style Style hasKnob With Without knob mid Middle color base Base color Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 23 QwtDialSimpleNeedle Class Reference 104 12 23 4 Member Function Documentation 12 23 4 1 void QwtDialSimpleNeedle
428. wtLegendItem keyReleaseEvent QKeyEvent xe protected virtual Handle key release events Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 31 QwtLegendItem Class Reference 150 12 31 4 14 void QwtLegendItem mousePressEvent QMouseEvent x e protected virtual Handle mouse press events 12 31 4 15 void QwtLegendItem mouseReleaseEvent QMouseEvent xe protected virtual Handle mouse release events 12 31 4 16 void QwtLegendItem paintEvent QPaintEvent xe protected virtual Paint event Reimplemented from QwtTextLabel 12 31 4 17 void QwtLegendItem pressed signal Signal when the legend item has been pressed 12 31 4 18 void QwtLegendItem released signal Signal when the legend item has been relased 12 31 4 19 void QwtLegendItem setChecked bool on slot Check Uncheck a the item Parameters on check uncheck See also setltemMode 12 31 4 20 void QwtLegendItem setCurvePen const QPen amp pen Set curve pen Parameters pen Curve pen Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 31 QwtLegendItem Class Reference 151 See also curvePen 12 31 4 21 void QwtLegendItem setDown bool down protected Set the item being down 12 31 4 22 void QwtLegendItem setIdentifierMode int mode Set identifier mode Default is ShowLine ShowText Parameters mode Or d values of IdentifierMode See also
429. wtPanner 182 QwtDoublelnterval 111 QwtScaleDiv 363 setltemAttribute QwtPlotItem 271 setItemMode QwtLegend 144 QwtLegendItem 151 setKeyFactor QwtMagnifier 166 setKeyPattern QwtEventPattern 131 setKnobWidth QwtKnob 137 setLabel QwtPlotMarker 290 setLabelAlignment QwtPlotMarker 290 QwtScaleDraw 372 QwtScaleWidget 390 setLabelMap Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 479 QwtCompass 63 setLabelOrientation QwtPlotMarker 291 setLabelRotation QwtScaleDraw 372 QwtScaleWidget 390 setLayoutAttribute QwtText 423 setLegendPosition QwtPlotLayout 282 setLegendRatio QwtPlotLayout 282 setLength QwtScaleDraw 373 setLinePen QwtPlotMarker 291 setLineStyle QwtPlotMarker 291 setLine Width QwtDial 95 setMajPen QwtPlotGrid 262 setMargin QwtPlot 233 QwtPlotLayout 283 QwtScaleWidget 390 QwtTextLabel 432 QwtThermo 441 setMargins QwtScaleEngine 377 QwtSlider 402 setMass QwtAbstractSlider 39 QwtWheel 448 setMaxCols QwtDynGridLayout 123 setMaxStackDepth QwtPlotZoomer 342 setMax Value QwtCounter 75 QwtDoublelnterval 111 QwtThermo 441 setMetricsMap QwtPainter 178 setMinBorderDist QwtScaleWidget 391 setMinimumExtent QwtAbstractScaleDraw 32 setMinPen QwtPlotGrid 262 setMin Value QwtCounter 75 QwtDoublelnterval 111 QwtThermo 441 setMode QwtDial 95 QwtLinearColorMap 158 setMouseButton QwtMagnifier 166 QwtPanner 1
430. wtPlotSvgltem 336 RttiValues QwtPlotltem 267 RubberBand QwtPicker 189 rubberBand QwtPicker 195 rubberBandPen QwtPicker 195 rubberBandWidget QwtPicker 195 sl QwtScaleMap 381 s2 QwtScaleMap 381 scaleChange QwtAbstractScale 23 QwtScaleWidget 389 QwtSlider 401 QwtThermo 438 ScaleComponent QwtAbstractScaleDraw 28 scaleContentsRect QwtDial 93 scaleDiv QwtAbstractScaleDraw 31 QwtPlotScaleltem 322 scaleDivChanged QwtScale Widget 389 scaledPen QwtPainter 177 scaleDraw QwtDial 94 QwtKnob 137 QwtPlotScaleltem 322 QwtScale Widget 389 QwtSlider 402 QwtThermo 439 scaleEngine QwtAbstractScale 23 scaleLabel QwtAnalogClock 48 QwtCompass 63 QwtDial 94 scaleMap QwtAbstractScale 24 QwtAbstractScaleDraw 31 scaleMax Major QwtAbstractScale 24 scaleMax Minor QwtAbstractScale 24 ScaleOptions QwtDial 87 ScalePos QwtSlider 398 scalePosition QwtSlider 402 QwtThermo 439 scaleRect Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 477 QwtPlotItem 270 QwtPlotLayout 281 QwtPlotPicker 301 ScrollMode QwtAbstractSlider 36 sDist QwtScaleMap 381 selected QwtPicker 195 QwtPlotPicker 302 selection QwtPicker 195 selectionFlags QwtPicker 196 SelectionMode QwtPicker 189 SelectionType QwtPicker 190 setAbortKey QwtPanner 182 setAbstractScaleDraw QwtAbstractScale 24 setAlarmBrush QwtThermo 439 setAlarmColor QwtThermo 439 setAlarmEnable
431. x2 double amp stepSize const e virtual QwtScaleDiv divideScale double x1 double x2 int numMajorSteps int numMinorSteps double stepSize 0 0 const e virtual QwtScaleTransformation transformation const Protected Member Functions e QwtDoublelnterval align const QwtDoublelnterval amp double stepSize const 12 34 1 Detailed Description A scale engine for linear scales The step size will fit into the pattern 1 2 5 10 where n is an integer 12 34 2 Member Function Documentation 12 34 2 1 QwtDoubleInterval QwtLinearScaleEngine align const QwtDoubleInterval amp interval double stepSize const protected Align an interval to a step size The limits of an interval are aligned that both are integer multiples of the step size Parameters interval Interval stepSize Step size Returns Aligned interval Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 35 QwtLogl0ScaleEngine Class Reference 160 12 34 2 2 void QwtLinearScaleEngine autoScale int maxNumSteps double amp x1 double amp x2 double amp stepSize const virtual Align and divide an interval Parameters maxNumSteps Max number of steps xl First limit of the interval In Out x2 Second limit of the interval In Out stepSize Step size Out See also setAttribute Implements QwtScaleEngine 12 34 2 3 QwtScaleDiv QwtLinearScaleEngine divideScale double x7 double x2 int maxMajSteps in
432. xCols gt 0 it is the size for a grid with maxCols columns otherwise it is the size for a grid with only one row See also maxCols setMaxCols 12 26 3 21 void QwtDynGridLayout stretchGrid const QRect amp rect uint numCols QwtArray lt int gt amp rowHeight QwtArray lt int gt amp colWidth const protected Stretch columns in case of expanding amp QSizePolicy Horizontal and rows in case of expanding amp QSizePolicy Vertical to fill the entire rect Rows and columns are stretched with the same factor See also setExpanding expanding 12 26 3 22 QLayoutltem x QwtDynGridLayout takeAt int index virtual Find the item at a spcific index and remove it from the layout Parameters index Index See also itemAt 12 27 QwtEventPattern Class Reference A collection of event patterns include lt qwt_event_pattern h gt Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 27 QwtEventPattern Class Reference 125 Inheritance diagram for QwtEventPattern QwtEventPattern QwiPicker QwtPlotPicker QwtPlotZoomer Classes e class KeyPattern A pattern for key events e class MousePattern A pattern for mouse events Public Types e enum MousePatternCode MouseSelect1 MouseSelect2 MouseSelect3 MouseSelect4 MouseSelect5 MouseSelect6 MousePatternCount enum KeyPatternCode KeySelect1 KeySelect2 KeyAbort Generat
433. xt 421 QwtTextEngine 428 QwtTextLabel 431 hide QwtPlotltem 269 hideEvent QwtPlotCanvas 237 horizontalScrollBar QwtLegend 143 IdentifierMode QwtLegendItem 147 identifierMode QwtLegend 143 QwtLegendItem 148 identifierWidth QwtLegendItem 149 incPages QwtDoubleRange 114 incSteps QwtCounter 73 inc Value QwtAbstractSlider 37 QwtDoubleRange 114 indent QwtTextLabel 432 init QwtPlotCurve 250 initKeyPattern QwtEventPattern 129 initMousePattern QwtEventPattern 129 initRaster QwtRasterData 350 insert QwtLegend 143 insertLegend QwtPlot 223 internalBorder QwtWheel 446 intersect Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 458 QwtDoublelnterval 108 intersects QwtDoubleInterval 108 interval QwtIntervalData 133 QwtPlotRescaler 315 QwtScaleDiv 362 invalidate QwtDoubleInterval 108 QwtDynGridLayout 121 QwtPlotLayout 279 QwtScaleDiv 362 invalidateCache QwtAbstractScaleDraw 30 QwtPlotRasterItem 310 invalidatePaintCache QwtPlotCanvas 238 invert QwtScaleDiv 362 inverted QwtDoubleInterval 108 invTransform QwtPlot 224 QwtPlotItem 269 QwtPlotPicker 300 QwtScaleMap 380 invXForm QwtScaleTransformation 384 isActive QwtPicker 193 isAxisEnabled QwtPlotMagnifier 285 QwtPlotPanner 295 isChecked QwtLegendItem 149 isDown QwtLegendItem 149 isEmpty QwtDynGridLayout 121 QwtLegend 143 QwtText 421 isEnabled QwtMagnifier
434. xtent 31 operator 31 QwtAbstractScaleDraw 28 ScaleComponent 28 scaleDiv 31 scaleMap 31 setMinimumExtent 32 setScaleDiv 32 setSpacing 32 setTickLength 32 setTransformation 33 spacing 33 tickLabel 33 tickLength 33 QwtAbstractSlider 34 QwtAbstractSlider 36 fitValue 36 getScrollMode 36 getValue 37 incValue 37 isReadOnly 37 is Valid 38 keyPressEvent 38 mass 38 mouseMoveEvent 38 mousePressEvent 39 mouseReleaseEvent 39 orientation 39 QwtAbstractSlider 36 ScrollMode 36 setMass 39 setOrientation 40 setPosition 40 setReadOnly 40 setTracking 40 setUpdateTime 40 set Valid 41 set Value 41 sliderMoved 41 sliderPressed 41 sliderReleased 42 stopMoving 42 timerEvent 42 valueChange 42 valueChanged 42 wheelEvent 42 QwtAlphaColorMap 43 QwtAlphaColorMap 43 color 44 copy 44 operator 44 QwtAlphaColorMap 43 rgb 44 setColor 45 QwtAnalogClock 45 QwtAnalogClock 47 drawHand 47 drawNeedle 47 Hand 47 hand 48 QwtAnalogClock 47 scaleLabel 48 setCurrentTime 48 setHand 49 setTime 49 Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen INDEX 463 QwtArrayData 49 boundingRect 50 copy 50 operator 51 QwtArrayData 50 size 51 x 31 xData 51 y 51 yData 52 QwtArrowButton 52 QwtArrowButton 53 arrowSize 53 arrowType 53 drawArrow 53 drawButtonLabel 53 keyPressEvent 54 labelRect 54 minimumSizeHi
435. y Doxygen 12 73 QwtScaleDraw Class Reference 372 12 73 4 23 QPoint QwtScaleDraw pos const Returns Origin of the scale See also move length 12 73 4 24 void QwtScaleDraw setAlignment Alignment align Set the alignment of the scale The default alignment is QwtScaleDraw BottomScale See also alignment 12 73 4 25 void QwtScaleDraw setLabelAlignment Qt Alignment alignment Change the label flags Labels are aligned to the point ticklength spacing away from the backbone The alignment is relative to the orientation of the label text In case of an flags of 0 the label will be aligned depending on the orientation of the scale QwtScaleDraw TopScale Qt AlignHCenter Qt AlignTop QwtScaleDraw BottomScale Qt AlignHCenter Qt AlignBottom QwtScaleDraw LeftScale Qt AlignLeft Qt AlignVCenter QwtScaleDraw RightScale Qt AlignRight Qt AlignVCenter Changing the alignment is often necessary for rotated labels Parameters alignment Or d Qt AlignmentFlags lt see qnamespace h gt See also setLabelRotation labelRotation labelAlignment Warning The various alignments might be confusing The alignment of the label is not the alignment of the scale and is not the alignment of the flags QwtText flags returned from QwtAbstractScaleDraw label Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 74 QwtScaleEngine Class Reference 373 12 73 4
436. y General Public License is the better strategy to use in any particular case based on the explanations below Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 2 Qwt License Version 1 0 When we speak of free software we are referring to freedom of use not price Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software and charge for this service if you wish that you receive source code or can get it if you want it that you can change the software and use pieces of it in new free programs and that you are informed that you can do these things To protect your rights we need to make restrictions that forbid distributors to deny you these rights or to ask you to surrender these rights These restrictions translate to certain responsibilities for you if you distribute copies of the library or if you modify it For example if you distribute copies of the library whether gratis or for a fee you must give the recipients all the rights that we gave you You must make sure that they too receive or can get the source code If you link other code with the library you must provide complete object files to the recipients so that they can relink them with the library after making changes to the library and recompiling it And you must show them these terms so they know their rights We protect your rights with a two step method 1 we copyright th
437. y being compiled or linked with it is called a work that uses the Library Such a work in isolation is not a derivative work of the Library and therefore falls outside the scope of this License However linking a work that uses the Library with the Library creates an executable that is a derivative of the Library because it contains portions of the Library rather than a work that uses the library The executable is therefore covered by this License Section 6 states terms for distribution of such executables When a work that uses the Library uses material from a header file that is part of the Library the object code for the work may be a derivative work of the Library even though the source code is not Whether this is true is especially significant if the work can be linked without the Library or if the work is itself a library The threshold for this to be true is not precisely defined by law If such an object file uses only numerical parameters data structure layouts and accessors and small macros and small inline functions ten lines or less in length then the use of the object file is unrestricted regardless of whether it is legally a derivative work Executables containing this object code plus portions of the Library will still fall under Section 6 Otherwise if the work is a derivative of the Library you may distribute the object code for the work under the terms of Section 6 Any executables contai
438. y rectangle Note The mouse events can be changed using QwtEventPattern setMousePattern 2 1 Reimplemented from QwtPicker 12 66 3 16 void QwtPlotZoomer zoom int offset virtual slot Zoom in or out Activate a rectangle on the zoom stack with an offset relative to the current position Negative values of offest will zoom out positive zoom in A value of 0 zooms out to the zoom base Parameters offset Offset relative to the current position of the zoom stack Note The zoomed signal is emitted See also zoomRectIndex 12 66 3 17 void QwtPlotZoomer zoom const QwtDoubleRect amp rect virtual slot Zoom in Clears all rectangles above the current position of the zoom stack and pushs the intersection of zoomRect and the normalized rect on it Note If the maximal stack depth is reached zoom is ignored The zoomed signal is emitted 12 66 3 18 QwtDoubleRect QwtPlotZoomer zoomBase const Returns Initial rectangle of the zoomer See also setZoomBase zoomRect Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 67 QwtPolygonFData Class Reference 345 12 66 3 19 void QwtPlotZoomer zoomed const QwtDoubleRect amp rect signal A signal emitting the zoomRect when the plot has been zoomed in or out Parameters rect Current zoom rectangle 12 66 3 20 QwtDoubleRect QwtPlotZoomer zoomRect const Rectangle at the current position on the zoom stack
439. y the data is stored in a QwtPolygonFData object 12 51 4 35 void QwtPlotCurve setData const QwtArray lt double gt amp xData const QwtArray lt double gt amp yData Initialize data with x and y arrays explicitly shared Builds an QwtArrayData object internally Parameters xData x data yData y data Note Internally the data is stored in a QwtArrayData object 12 51 4 36 void QwtPlotCurve setData const double xData const double x yData int size Set data by copying x and y values from specified memory blocks Contrary to setCurveRawData this function makes a deep copy of the data Parameters xData Pointer to x values yData Pointer to y values size Size of xData and yData Note Internally the data is stored in a QwtArrayData object Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 51 QwtPlotCurve Class Reference 254 12 51 4 37 void QwtPlotCurve setPaintAttribute PaintAttribute attribute bool on true Specify an attribute how to draw the curve Parameters attribute Paint attribute on On Off sa PaintAttribute testPaintAttribute 12 51 4 38 void QwtPlotCurve setPen const QPen amp pen Assign a pen The width of non cosmetic pens is scaled according to the resolution of the paint device Parameters pen New pen See also pen brush QwtPainter scaledPen 12 51 4 39 void QwtPlotCurve setRawData const double x xData const doubl
440. yData copy const virtual Returns Pointer to a copy virtual copy constructor Implements QwtData 12 8 3 3 QwtArrayData QwtArrayData operator const QwtArrayData data Assignment 12 8 3 4 size_t QwtArrayData size const virtual Returns Size of the data set Implements QwtData 12 8 3 5 double QwtArrayData x size_ti const virtual Return the x value of data point i Parameters i Index Returns x X value of data point i Implements QwtData 12 8 3 6 const QwtArray lt double gt amp QwtArrayData xData const Returns Array of the x values 12 8 3 7 double QwtArrayData y size_ti const virtual Return the y value of data point i Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 9 QwtArrowButton Class Reference 52 Parameters i Index Returns y Y value of data point i Implements QwtData 12 8 3 8 const QwtArray lt double gt amp QwtArrayData yData const Returns Array of the y values 12 9 QwtArrowButton Class Reference Arrow Button include lt qwt_arrow_button h gt Public Member Functions e QwtArrowButton int num Qt ArrowType QWidget parent NULL e virtual QwtArrowButton e Qt ArrowType arrowType const e int num const e virtual QSize sizeHint const e virtual QSize minimumSizeHint const Protected Member Functions virtual void paintEvent QPaintEvent event virtual void dr
441. yeFitter Class Reference o o ps s 26 ose ecu a ee 409 121 1 Detailed Descripian lt pasos a Get ote BA Ses 410 12 81 2 Constructor amp Destructor Documentation 410 12 81 35 Member Function Documentation lt s pa re spesa p PAR Ee ee 410 12 820 w15Symbol Class Reference ce ed ea ee ew SG Poe eG a 411 12 82 1 Detailed Description gt bk A ee aA EES ee RO 412 12 82 2 Member Enumeration Documentation e a 413 12 82 3 Constructor amp Destructor Documentation o o a 413 12 82 4 Member Function Documentation e 413 12 830 wtText Class Reference lt lt eo astral ma a ex 416 12 831 Detailed Descenpton o ee eerie Shad ee bw eee Sed 418 12 83 2 Member Enumeration Documentation 2 0 0000 418 12 83 3 Constructor amp Destructor Documentation o o a 420 12 83 4 Member Function Documentation e 420 12 54 wtTextEugine Class Reference 2 54 5 5h ob ARE EE RR EE ES 427 1284 1 Detailed Description o s os pa Gh So bw bebe eee ee eee eee 427 12 84 2 Constructor amp Destructor Documentation o o a 428 12 84 3 Member Function Documentation e 428 12 85QwtTextLabel Class Referente 2 6 0 25 eaea eae a BA Se s 430 12 331 Detailed Description ek a eG BE eS 430 12 85 2 Constructor Destructor Documentation o o 431 12 85 3 Member Function Documentation
442. ygen 12 41 QwtPicker Class Reference 193 12 41 4 8 bool QwtPicker end bool ok true protected virtual Close a selection setting the state to inactive The selection is validated and maybe fixed by QwtPicker accept Parameters ok Tf true complete the selection and emit a selected signal otherwise discard the selection Returns true if the selection is accepted false otherwise See also isActive begin appendO move selected accept Reimplemented in QwtPlotPicker and QwtPlotZoomer 12 41 4 9 bool QwtPicker eventFilter QObject x o QEvent xe virtual Event filter When isEnabled true all events of the observed widget are filtered Mouse and keyboard events are translated into widgetMouse and widgetKey and widgetWheel events Paint and Resize events are handled to keep rubberband and tracker up to date See also event widgetMousePressEvent widgetMouseReleaseEvent widgetMouseDoubleClickEvent widgetMouseMoveEvent widgetWheelEvent widgetKeyPressEvent widgetKeyReleaseEvent 12 41 4 10 bool QwtPicker isActive const A picker is active between begin and end Returns true if the selection is active 12 41 4 11 bool QwtPicker isEnabled const Returns true when enabled false otherwise See also setEnabled eventFilter Generated on Sun Apr 11 11 55 09 2010 for Qwt User s Guide by Doxygen 12 41 QwtPicker Class Reference 194 12

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