我们从Python开源项目中，提取了以下27个代码示例，用于说明如何使用PySide.QtGui.QPainter()。
def paintEvent(self, event): self._draw_graph() self._draw_reticle() painter = QtGui.QPainter(self) try: painter.setRenderHint(QtGui.QPainter.Antialiasing) painter.setPen(QtGui.QPen()) painter.setBrush(QtGui.QBrush()) if self._graph: painter.drawPixmap(0, 0, self._graph) if self._path_max: painter.setPen(Qt.green) painter.drawPath(self._path_max) painter.setOpacity(0.5) if self._reticle: painter.drawPixmap(0, 0, self._reticle) finally: painter.end()
def paintEvent(self, event): '''Paint the custom look''' painter = QtGui.QPainter(self) painter.setRenderHint(QtGui.QPainter.RenderHint.HighQualityAntialiasing) painter.setFont(self.font) if self.mouseOver: self.indicator.setVisible(True) else: self.indicator.setVisible(False) if (self.active or self.hasFocus()) and not self.mouseOver: # when keyboard has shifted focus onto this widget painter.setPen(self.color.lighter()) else: painter.setPen(self.color) painter.drawText(self.rect(), QtCore.Qt.AlignCenter, str(self.value))
def paintEvent(self, event): painter = QtGui.QPainter(self) painter.setRenderHint(QtGui.QPainter.Antialiasing) parent = self.parentWidget() pieRect = QtCore.QRect(1, 1, self.width()-2, self.height()-2) startAngle = 0 * 16 if self.currentIndex() == 0: # STATUS = WAITING painter.drawEllipse(pieRect) elif self.currentIndex() == 1: # STATUS = IN PROGGRESS painter.setPen(QtGui.QColor(0,0,0,0)) painter.setBrush(QtGui.QColor(255, 140, 30)) startAngle = 90 * 16 spanAngle = self.currentIndex() * 270 * 16 painter.drawPie(pieRect, startAngle, spanAngle) elif self.currentIndex() == 2: # STATUS = FINISHED painter.setPen(QtGui.QColor(0,0,0,0)) painter.setBrush(QtGui.QColor('darkGreen')) spanAngle = self.currentIndex() * 360 * 16 painter.drawPie(pieRect, startAngle, spanAngle)
def paintEvent(self, event): painter = QtGui.QPainter(self) painter.setRenderHint(QtGui.QPainter.Antialiasing) pen = painter.pen() if self.active or self.hasFocus(): pen.setColor(self.activeColor) else: pen.setColor(self.inactiveColor) pen.setWidth(3) pen.setCapStyle(QtCore.Qt.PenCapStyle.RoundCap) painter.setPen(pen) polygon1 = QtGui.QPolygon() polygon1 << QtCore.QPoint(self.padding, self.padding) << QtCore.QPoint(self.width() - self.padding, self.height() - self.padding) polygon2 = QtGui.QPolygon() polygon2 << QtCore.QPoint(self.padding,self.height() - self.padding) << QtCore.QPoint(self.width() - self.padding, self.padding) polygon1.translate(0,1) polygon2.translate(0,1) painter.drawPolyline(polygon1) painter.drawPolyline(polygon2)
def paintEvent(self, event): qp = QtGui.QPainter() qp.begin(self) # Data info qp.drawLine(530, 60, 530, 170) qp.drawLine(530, 60, 795, 60) qp.drawLine(795, 60, 795, 170) qp.drawLine(530, 170, 795, 170) # Run info qp.drawLine(2, 475, 2, 585) qp.drawLine(2, 475, 195, 475) qp.drawLine(195, 475, 195, 585) qp.drawLine(2, 585, 195, 585) # Search box and RS box qp.drawLine(3, 210, 3, 410) qp.drawLine(3, 210, 795, 210) qp.drawLine(400, 210, 400, 410) qp.drawLine(3, 410, 795, 410) qp.drawLine(795, 210, 795, 410) qp.end()
def paintEvent(self, event): pix = self.pixmap_hover if self.underMouse() else self.pixmap if self.isDown(): pix = self.pixmap_pressed painter = QtGui.QPainter(self) painter.drawPixmap(event.rect(), pix)
def _draw_reticle(self): if self._reticle is None or (self._reticle.size() != self.size()): self._new_reticle() dbm_lines = [QLineF(self._hz_to_x(self._low_frequency), self._dbm_to_y(dbm), self._hz_to_x(self._high_frequency), self._dbm_to_y(dbm)) for dbm in numpy.arange(self._low_dbm, self._high_dbm, 20.0)] dbm_labels = [(dbm, QPointF(self._hz_to_x(self._low_frequency) + 2, self._dbm_to_y(dbm) - 2)) for dbm in numpy.arange(self._low_dbm, self._high_dbm, 20.0)] frequency_lines = [QLineF(self._hz_to_x(frequency), self._dbm_to_y(self._high_dbm), self._hz_to_x(frequency), self._dbm_to_y(self._low_dbm)) for frequency in numpy.arange(self._low_frequency, self._high_frequency, self._frequency_step * 20.0)] frequency_labels = [(frequency, QPointF(self._hz_to_x(frequency) + 2, self._dbm_to_y(self._high_dbm) + 10)) for frequency in numpy.arange(self._low_frequency, self._high_frequency, self._frequency_step * 10.0)] painter = QtGui.QPainter(self._reticle) try: painter.setRenderHint(QtGui.QPainter.Antialiasing) painter.setPen(Qt.blue) # TODO: Removed to support old (<1.0) PySide API in Ubuntu 10.10 #painter.drawLines(dbm_lines) for dbm_line in dbm_lines: painter.drawLine(dbm_line) # TODO: Removed to support old (<1.0) PySide API in Ubuntu 10.10 #painter.drawLines(frequency_lines) for frequency_line in frequency_lines: painter.drawLine(frequency_line) painter.setPen(Qt.white) for dbm, point in dbm_labels: painter.drawText(point, '%+.0f' % dbm) for frequency, point in frequency_labels: painter.drawText(point, '%.02f' % (frequency / 1e6)) finally: painter.end()
def paintEvent(self, event): '''Paint the button grey if not highlighted, else yellow''' painter = QtGui.QPainter(self) colour = QtGui.QColor(247, 147, 30, 150) gradient = QtGui.QLinearGradient(QtCore.QPoint(0,0), QtCore.QPoint(self.width()/2, 0)) gradient.setColorAt(0, QtCore.Qt.transparent) gradient.setColorAt(1, colour) gradient.setSpread(QtGui.QGradient.ReflectSpread) painter.setBrush(QtGui.QBrush(gradient)) painter.setPen(QtCore.Qt.transparent) rect = QtCore.QRect(0,0,self.width(),self.height()) painter.drawRect(rect)
def paintEvent(self, event): painter = QtGui.QPainter(self) painter.setRenderHint(QtGui.QPainter.Antialiasing) currentIndex = self.currentIndex() painter.setPen(QtGui.QColor(0,0,0,0)) if currentIndex == 0: progress = .1 if self.active or self.hasFocus(): painter.setBrush(self.colWaiting.lighter()) else: painter.setBrush(self.colWaiting) elif currentIndex == 1: progress = .6 if self.active or self.hasFocus(): painter.setBrush(self.colInProgress.lighter()) else: painter.setBrush(self.colInProgress) elif currentIndex == 2: progress = 1 if self.active or self.hasFocus(): painter.setBrush(self.colFinished.lighter()) else: painter.setBrush(self.colFinished) barRect = QtCore.QRect(0, self.height() * .25, (self.width()) * progress, self.height() * .5) painter.drawRect(barRect) outline = QtCore.QRect(1, self.height() * .25, (self.width())-2, self.height() * .5) painter.setBrush(QtGui.QColor(0,0,0,0)) painter.setPen(QtGui.QColor(0,0,0,255)) painter.drawRect(outline)
def UpdateColors(self): self.regenerateElectrodes(self.ElectrodeData.timeStep) for node in self.NodeIds: self.unselectNodes(node) try: temp = self.ElectrodeData.graphWidget.partition[node.counter] except IndexError: temp = 0 if self.ElectrodeData.ScalarSize: Size = eval('self.ElectrodeData.graphWidget.'+self.ElectrodeData.electrodeSizeFactor+'[node.counter-1]') node.setNodeSize(Size,self.ElectrodeData.electrodeSizeFactor) else: Size = 0.4 node.setNodeSize(Size,"nothing to Display") if not(self.ElectrodeData.nodeSizeFactor == 1): node.ScalarNodeSize(self.ElectrodeData.nodeSizeFactor) if self.ElectrodeData.Glyph: for node in self.NodeIds: node.setGlyph(True) if self.ElectrodeData.ElectrodeScreenshot: pixmap = QtGui.QImage(self.scene.sceneRect().size().toSize()) pAin = QtGui.QPainter(pixmap) self.scene.render(pAin,QtCore.QRectF(self.width/4+50, self.height/4+50, 3*self.width/6,3*self.height/6)) fileName = str("Time_"+str(self.ElectrodeData.timeStep)+"_Syllable_"+str(self.ElectrodeData.syllableUnit)+"_Alg_"+str(self.ElectrodeData.clusterActivated)+".png") pixmap1 = QtGui.QPixmap.fromImage(pixmap)
def paintEvent(self, event=None): painter = QtGui.QPainter(self) if self.color is not None: painter.setBrush(QtGui.QBrush(self.color)) rect = self.rect() margins = self.contentsMargins() new_rect = QtCore.QRect(rect.left()+margins.left(), rect.top()+margins.top(), rect.width()-margins.right()*2, rect.height()-margins.bottom()*2) painter.drawRect(new_rect)
def paintEvent(self, e): painter = QtGui.QPainter() painter.begin(self) self.drawBars(painter) painter.end()
def numberbarPaint(self, number_bar, event): font_metrics = self.fontMetrics() current_line = self.document().findBlock(self.textCursor().position()).blockNumber() + 1 block = self.firstVisibleBlock() line_count = block.blockNumber() painter = QtGui.QPainter(number_bar) painter.fillRect(event.rect(), self.palette().base()) # Iterate over all visible text blocks in the document. while block.isValid(): line_count += 1 block_top = self.blockBoundingGeometry(block).translated(self.contentOffset()).top() # Check if the position of the block is out side of the visible # area. if not block.isVisible() or block_top >= event.rect().bottom(): break # We want the line number for the selected line to be bold. if line_count == current_line: font = painter.font() font.setBold(True) painter.setFont(font) else: font = painter.font() font.setBold(False) painter.setFont(font) # Draw the line number right justified at the position of the line. paint_rect = QtCore.QRect(0, block_top, number_bar.width(), font_metrics.height()) painter.drawText(paint_rect, QtCore.Qt.AlignRight, unicode(line_count)) block = block.next() painter.end()
def _draw_graph(self): if self._graph is None: self._new_graph() elif self._graph.size() != self.size(): self._new_graph() painter = QtGui.QPainter(self._graph) try: painter.setRenderHint(QtGui.QPainter.Antialiasing) painter.fillRect(0, 0, self._graph.width(), self._graph.height(), QtGui.QColor(0, 0, 0, 10)) if self._frame: frequency_axis, rssi_values = self._frame path_now = QtGui.QPainterPath() path_max = QtGui.QPainterPath() bins = range(len(frequency_axis)) x_axis = self._hz_to_x(frequency_axis) y_now = self._dbm_to_y(rssi_values) y_max = self._dbm_to_y(numpy.amax(self._persisted_frames, axis=0)) # TODO: Wrapped Numpy types with float() to support old (<1.0) PySide API in Ubuntu 10.10 path_now.moveTo(float(x_axis[0]), float(y_now[0])) for i in bins: path_now.lineTo(float(x_axis[i]), float(y_now[i])) # TODO: Wrapped Numpy types with float() to support old (<1.0) PySide API in Ubuntu 10.10 path_max.moveTo(float(x_axis[0]), float(y_max[0])) for i in bins: path_max.lineTo(float(x_axis[i]), float(y_max[i])) painter.setPen(Qt.white) painter.drawPath(path_now) self._path_max = path_max finally: painter.end()
def paintEvent(self, event): painter = QPainter() painter.begin(self) colour = self._colour if not self._lit: colour = self._colour.darker(300) painter.setPen(QPen(Qt.black, 1)) painter.setBrush(QBrush(colour)) rect = event.rect() radius = min(rect.width(), rect.height()) / 3 painter.drawEllipse(rect.center(), radius, radius) painter.end()
