def paintEvent(self, event): painter = QPainter(self) painter.setClipRegion(event.region()) if ( self.testPaintAttribute(self.BackingStore) and self.__data.backingStore is not None ): bs = self.__data.backingStore if QT_MAJOR_VERSION >= 5: pixelRatio = bs.devicePixelRatio() else: pixelRatio = 1.0 if bs.size() != self.size() * pixelRatio: bs = QwtPainter.backingStore(self, self.size()) if self.testAttribute(Qt.WA_StyledBackground): p = QPainter(bs) qwtFillBackground(p, self) self.drawCanvas(p, True) else: p = QPainter() if self.__data.borderRadius <= 0.0: # print('**DEBUG: QwtPlotCanvas.paintEvent') QwtPainter.fillPixmap(self, bs) p.begin(bs) self.drawCanvas(p, False) else: p.begin(bs) qwtFillBackground(p, self) self.drawCanvas(p, True) if self.frameWidth() > 0: self.drawBorder(p) p.end() painter.drawPixmap(0, 0, self.__data.backingStore) else: if self.testAttribute(Qt.WA_StyledBackground): if self.testAttribute(Qt.WA_OpaquePaintEvent): qwtFillBackground(painter, self) self.drawCanvas(painter, True) else: self.drawCanvas(painter, False) else: if self.testAttribute(Qt.WA_OpaquePaintEvent): if self.autoFillBackground(): qwtFillBackground(painter, self) qwtDrawBackground(painter, self) else: if self.borderRadius() > 0.0: clipPath = QPainterPath() clipPath.addRect(self.rect()) clipPath = clipPath.subtracted(self.borderPath(self.rect())) painter.save() painter.setClipPath(clipPath, Qt.IntersectClip) qwtFillBackground(painter, self) qwtDrawBackground(painter, self) painter.restore() self.drawCanvas(painter, False) if self.frameWidth() > 0: self.drawBorder(painter) if self.hasFocus() and self.focusIndicator() == self.CanvasFocusIndicator: self.drawFocusIndicator(painter)
def paintEvent(self, event): painter = QPainter(self) painter.setClipRegion(event.region()) if self.testPaintAttribute(self.BackingStore) and\ self.__data.backingStore is not None: bs = self.__data.backingStore if bs.size() != self.size(): bs = QwtPainter.backingStore(self, self.size()) if self.testAttribute(Qt.WA_StyledBackground): p = QPainter(bs) qwtFillBackground(p, self) self.drawCanvas(p, True) else: p = QPainter() if self.__data.borderRadius <= 0.: # print('**DEBUG: QwtPlotCanvas.paintEvent') QwtPainter.fillPixmap(self, bs) p.begin(bs) self.drawCanvas(p, False) else: p.begin(bs) qwtFillBackground(p, self) self.drawCanvas(p, True) if self.frameWidth() > 0: self.drawBorder(p) p.end() painter.drawPixmap(0, 0, self.__data.backingStore) else: if self.testAttribute(Qt.WA_StyledBackground): if self.testAttribute(Qt.WA_OpaquePaintEvent): qwtFillBackground(painter, self) self.drawCanvas(painter, True) else: self.drawCanvas(painter, False) else: if self.testAttribute(Qt.WA_OpaquePaintEvent): if self.autoFillBackground(): qwtFillBackground(painter, self) qwtDrawBackground(painter, self) else: if self.borderRadius() > 0.: clipPath = QPainterPath() clipPath.addRect(self.rect()) clipPath = clipPath.subtracted(self.borderPath(self.rect())) painter.save() painter.setClipPath(clipPath, Qt.IntersectClip) qwtFillBackground(painter, self) qwtDrawBackground(painter, self) painter.restore() self.drawCanvas(painter, False) if self.frameWidth() > 0: self.drawBorder(painter) if self.hasFocus() and self.focusIndicator() == self.CanvasFocusIndicator: self.drawFocusIndicator(painter)
def qwtFillBackground(*args): if len(args) == 2: painter, canvas = args rects = [] if canvas.testAttribute(Qt.WA_StyledBackground): recorder = QwtStyleSheetRecorder(canvas.size()) p = QPainter(recorder) qwtDrawStyledBackground(canvas, p) p.end() if recorder.background.brush.isOpaque(): rects = recorder.clipRects else: rects += [canvas.rect()] else: r = canvas.rect() radius = canvas.borderRadius() if radius > 0.0: sz = QSizeF(radius, radius) rects += [ QRectF(r.topLeft(), sz), QRectF(r.topRight() - QPointF(radius, 0), sz), QRectF(r.bottomRight() - QPointF(radius, radius), sz), QRectF(r.bottomLeft() - QPointF(0, radius), sz), ] qwtFillBackground(painter, canvas, rects) elif len(args) == 3: painter, widget, fillRects = args if not fillRects: return if painter.hasClipping(): clipRegion = painter.transform().map(painter.clipRegion()) else: clipRegion = widget.contentsRect() bgWidget = qwtBackgroundWidget(widget.parentWidget()) for fillRect in fillRects: rect = QRectF(fillRect).toAlignedRect() if clipRegion.intersects(rect): pm = QPixmap(rect.size()) QwtPainter.fillPixmap( bgWidget, pm, widget.mapTo(bgWidget, rect.topLeft()) ) painter.drawPixmap(rect, pm) else: raise TypeError( "%s() takes 2 or 3 argument(s) (%s given)" % ("qwtFillBackground", len(args)) )
def qwtFillBackground(*args): if len(args) == 2: painter, canvas = args rects = [] if canvas.testAttribute(Qt.WA_StyledBackground): recorder = QwtStyleSheetRecorder(canvas.size()) p = QPainter(recorder) qwtDrawStyledBackground(canvas, p) p.end() if recorder.background.brush.isOpaque(): rects = recorder.clipRects else: rects += [canvas.rect()] else: r = canvas.rect() radius = canvas.borderRadius() if radius > 0.: sz = QSizeF(radius, radius) rects += [QRectF(r.topLeft(), sz), QRectF(r.topRight()-QPointF(radius, 0), sz), QRectF(r.bottomRight()-QPointF(radius, radius), sz), QRectF(r.bottomLeft()-QPointF(0, radius), sz)] qwtFillBackground(painter, canvas, rects) elif len(args) == 3: painter, widget, fillRects = args if not fillRects: return if painter.hasClipping(): clipRegion = painter.transform().map(painter.clipRegion()) else: clipRegion = widget.contentsRect() bgWidget = qwtBackgroundWidget(widget.parentWidget()) for fillRect in fillRects: rect = fillRect.toAlignedRect() if clipRegion.intersects(rect): pm = QPixmap(rect.size()) QwtPainter.fillPixmap(bgWidget, pm, widget.mapTo(bgWidget, rect.topLeft())) painter.drawPixmap(rect, pm) else: raise TypeError("%s() takes 2 or 3 argument(s) (%s given)"\ % ("qwtFillBackground", len(args)))
def qwtDrawBackground(painter, canvas): painter.save() borderClip = canvas.borderPath(canvas.rect()) if not borderClip.isEmpty(): painter.setClipPath(borderClip, Qt.IntersectClip) brush = canvas.palette().brush(canvas.backgroundRole()) if brush.style() == Qt.TexturePattern: pm = QPixmap(canvas.size()) QwtPainter.fillPixmap(canvas, pm) painter.drawPixmap(0, 0, pm) elif brush.gradient(): rects = [] if brush.gradient().coordinateMode() == QGradient.ObjectBoundingMode: rects += [canvas.rect()] else: rects += [painter.clipRegion().boundingRect()] useRaster = False if painter.paintEngine().type() == QPaintEngine.X11: useRaster = True if useRaster: format_ = QImage.Format_RGB32 stops = brush.gradient().stops() for stop in stops: if stop.second.alpha() != 255: format_ = QImage.Format_ARGB32 break image = QImage(canvas.size(), format_) pntr = QPainter(image) pntr.setPen(Qt.NoPen) pntr.setBrush(brush) for rect in rects: pntr.drawRect(rect) pntr.end() painter.drawImage(0, 0, image) else: painter.setPen(Qt.NoPen) painter.setBrush(brush) for rect in rects: painter.drawRect(rect) else: painter.setPen(Qt.NoPen) painter.setBrush(brush) painter.drawRect(painter.clipRegion().boundingRect()) painter.restore()
def qwtDrawBackground(painter, canvas): painter.save() borderClip = canvas.borderPath(canvas.rect()) if not borderClip.isEmpty(): painter.setClipPath(borderClip, Qt.IntersectClip) brush = canvas.palette().brush(canvas.backgroundRole()) if brush.style() == Qt.TexturePattern: pm = QPixmap(canvas.size()) QwtPainter.fillPixmap(canvas, pm) painter.drawPixmap(0, 0, pm) elif brush.gradient(): rects = [] if brush.gradient().coordinateMode() == QGradient.ObjectBoundingMode: rects += [canvas.rect()] else: rects += [painter.clipRegion().rects()] useRaster = False if painter.paintEngine().type() == QPaintEngine.X11: useRaster = True if useRaster: format_ = QImage.Format_RGB32 stops = brush.gradient().stops() for stop in stops: if stop.second.alpha() != 255: format_ = QImage.Format_ARGB32 break image = QImage(canvas.size(), format_) p = QPainter(image) p.setPen(Qt.NoPen) p.setBrush(brush) p.drawRects(_rects_conv_PyQt5(rects)) p.end() painter.drawImage(0, 0, image) else: painter.setPen(Qt.NoPen) painter.setBrush(brush) painter.drawRects(_rects_conv_PyQt5(rects)) else: painter.setPen(Qt.NoPen) painter.setBrush(brush) painter.drawRects(_rects_conv_PyQt5(painter.clipRegion().rects())) painter.restore()