A plot item, which displays any graphical shape, that can be defined by a QPainterPath.  
 More...
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| enum | PaintAttribute { ClipPolygons = 0x01
 } | 
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| enum | LegendMode { LegendShape, 
LegendColor
 } | 
|  | Mode how to display the item on the legend.  More... 
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| typedef QFlags< PaintAttribute > | PaintAttributes | 
|  | Paint attributes. 
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| enum | RttiValues { Rtti_PlotItem = 0, 
Rtti_PlotGrid, 
Rtti_PlotScale, 
Rtti_PlotLegend,
 Rtti_PlotMarker, 
Rtti_PlotCurve, 
Rtti_PlotSpectroCurve, 
Rtti_PlotIntervalCurve,
 Rtti_PlotHistogram, 
Rtti_PlotSpectrogram, 
Rtti_PlotSVG, 
Rtti_PlotTradingCurve,
 Rtti_PlotBarChart, 
Rtti_PlotMultiBarChart, 
Rtti_PlotShape, 
Rtti_PlotTextLabel,
 Rtti_PlotZone, 
Rtti_PlotUserItem = 1000
 }
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|  | Runtime type information.  More... 
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| enum | ItemAttribute { Legend = 0x01, 
AutoScale = 0x02, 
Margins = 0x04
 } | 
|  | Plot Item Attributes.  More... 
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| enum | ItemInterest { ScaleInterest = 0x01, 
LegendInterest = 0x02
 } | 
|  | Plot Item Interests.  More... 
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| enum | RenderHint { RenderAntialiased = 0x1
 } | 
|  | Render hints.  More... 
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|  | 
| typedef QFlags< ItemAttribute > | ItemAttributes | 
|  | Plot Item Attributes. 
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|  | 
| typedef QFlags< ItemInterest > | ItemInterests | 
|  | Plot Item Interests. 
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|  | 
| typedef QFlags< RenderHint > | RenderHints | 
|  | Render hints. 
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|  | 
|  | QwtPlotShapeItem (const QString &title=QString::null) | 
|  | Constructor.  More... 
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|  | QwtPlotShapeItem (const QwtText &title) | 
|  | Constructor.  More... 
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| virtual | ~QwtPlotShapeItem () | 
|  | Destructor. 
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| void | setPaintAttribute (PaintAttribute, bool on=true) | 
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| bool | testPaintAttribute (PaintAttribute) const | 
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| void | setLegendMode (LegendMode) | 
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| LegendMode | legendMode () const | 
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| void | setRect (const QRectF &) | 
|  | Set a path built from a rectangle.  More... 
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| void | setPolygon (const QPolygonF &) | 
|  | Set a path built from a polygon.  More... 
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| void | setShape (const QPainterPath &) | 
|  | Set the shape to be displayed.  More... 
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| QPainterPath | shape () const | 
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| void | setPen (const QColor &, qreal width=0.0, Qt::PenStyle=Qt::SolidLine) | 
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| void | setPen (const QPen &) | 
|  | Assign a pen.  More... 
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| QPen | pen () const | 
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| void | setBrush (const QBrush &) | 
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| QBrush | brush () const | 
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| void | setRenderTolerance (double) | 
|  | Set the tolerance for the weeding optimization.  More... 
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|  | 
| double | renderTolerance () const | 
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| virtual QRectF | boundingRect () const | 
|  | Bounding rectangle of the shape. 
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|  | 
| virtual void | draw (QPainter *p, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &rect) const | 
|  | 
| virtual QwtGraphic | legendIcon (int index, const QSizeF &) const | 
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| virtual int | rtti () const | 
|  | 
|  | QwtPlotItem (const QwtText &title=QwtText()) | 
|  | 
| virtual | ~QwtPlotItem () | 
|  | Destroy the QwtPlotItem. 
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|  | 
| void | attach (QwtPlot *plot) | 
|  | Attach the item to a plot.  More... 
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| void | detach () | 
|  | This method detaches a QwtPlotItem from any QwtPlot it has been associated with.  More... 
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| QwtPlot * | plot () const | 
|  | Return attached plot. 
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| void | setTitle (const QString &title) | 
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| void | setTitle (const QwtText &title) | 
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| const QwtText & | title () const | 
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| void | setItemAttribute (ItemAttribute, bool on=true) | 
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| bool | testItemAttribute (ItemAttribute) const | 
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| void | setItemInterest (ItemInterest, bool on=true) | 
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| bool | testItemInterest (ItemInterest) const | 
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| void | setRenderHint (RenderHint, bool on=true) | 
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| bool | testRenderHint (RenderHint) const | 
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| void | setRenderThreadCount (uint numThreads) | 
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| uint | renderThreadCount () const | 
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| void | setLegendIconSize (const QSize &) | 
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| QSize | legendIconSize () const | 
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| double | z () const | 
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| void | setZ (double z) | 
|  | Set the z value.  More... 
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| void | show () | 
|  | Show the item. 
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| void | hide () | 
|  | Hide the item. 
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|  | 
| virtual void | setVisible (bool) | 
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| bool | isVisible () const | 
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| void | setAxes (int xAxis, int yAxis) | 
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| void | setXAxis (int axis) | 
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| int | xAxis () const | 
|  | Return xAxis. 
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| void | setYAxis (int axis) | 
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| int | yAxis () const | 
|  | Return yAxis. 
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| virtual void | itemChanged () | 
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| virtual void | legendChanged () | 
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| virtual void | getCanvasMarginHint (const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasSize, double &left, double &top, double &right, double &bottom) const | 
|  | Calculate a hint for the canvas margin.  More... 
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| virtual void | updateScaleDiv (const QwtScaleDiv &, const QwtScaleDiv &) | 
|  | Update the item to changes of the axes scale division.  More... 
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| virtual void | updateLegend (const QwtPlotItem *, const QList< QwtLegendData > &) | 
|  | Update the item to changes of the legend info.  More... 
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| QRectF | scaleRect (const QwtScaleMap &, const QwtScaleMap &) const | 
|  | Calculate the bounding scale rectangle of 2 maps.  More... 
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| QRectF | paintRect (const QwtScaleMap &, const QwtScaleMap &) const | 
|  | Calculate the bounding paint rectangle of 2 maps.  More... 
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| virtual QList< QwtLegendData > | legendData () const | 
|  | Return all information, that is needed to represent the item on the legend.  More... 
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|  | 
A plot item, which displays any graphical shape, that can be defined by a QPainterPath. 
A QPainterPath is a shape composed from intersecting and uniting regions, rectangles, ellipses or irregular areas defined by lines, and curves. QwtPlotShapeItem displays a shape with a pen and brush.
QwtPlotShapeItem offers a couple of optimizations like clipping or weeding. These algorithms need to convert the painter path into polygons that might be less performant for paths built from curves and ellipses.
- See also
- QwtPlotZone