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Qt 6.x
The Qt SDK
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Public Member Functions | |
void | paintEvent (QPaintEvent *) |
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virtual | ~QPaintDevice () |
virtual int | devType () const |
bool | paintingActive () const |
virtual QPaintEngine * | paintEngine () const =0 |
int | width () const |
int | height () const |
int | widthMM () const |
int | heightMM () const |
int | logicalDpiX () const |
int | logicalDpiY () const |
int | physicalDpiX () const |
int | physicalDpiY () const |
qreal | devicePixelRatio () const |
qreal | devicePixelRatioF () const |
int | colorCount () const |
int | depth () const |
Additional Inherited Members | |
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enum | PaintDeviceMetric { PdmWidth = 1 , PdmHeight , PdmWidthMM , PdmHeightMM , PdmNumColors , PdmDepth , PdmDpiX , PdmDpiY , PdmPhysicalDpiX , PdmPhysicalDpiY , PdmDevicePixelRatio , PdmDevicePixelRatioScaled } |
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static qreal | devicePixelRatioFScale () |
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QPaintDevice () noexcept | |
virtual int | metric (PaintDeviceMetric metric) const |
virtual void | initPainter (QPainter *painter) const |
virtual QPaintDevice * | redirected (QPoint *offset) const |
virtual QPainter * | sharedPainter () const |
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ushort | painters |
Definition at line 7 of file src_gui_painting_qregion.cpp.
void MyWidget::paintEvent | ( | QPaintEvent * | ) |
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Definition at line 13 of file src_gui_painting_qregion.cpp.
References QRegion::Ellipse, QRect::intersected(), painter, r1, r2, and QPainter::setClipRegion().