def paintEvent(self, a0: QPaintEvent) -> None: super().paintEvent(a0) painter = QPainter(self) painter.save() painter.setRenderHint(QPainter.Antialiasing) pen2 = QPen() rect = QRectF(self.margin, self.height() / 2, self.width() - self.margin * 2, self.height() / 2 - self.margin) rect2 = QRectF(3 * self.margin, 2 * self.margin, self.width() - self.margin * 6, self.height()) pen2.setWidth(6) painter.setPen(pen2) painter.drawArc(rect2, 0, 180 * 16) pen2.setWidth(3) pen2.setColor(Qt.white) painter.setPen(pen2) painter.drawArc(rect2, 0, 180 * 16) painter.fillRect(rect, Qt.white) pen2.setWidth(2) pen2.setColor(Qt.black) painter.setPen(pen2) painter.drawRect(rect) painter.restore()
def drawValue(self, p: QPainter, baseRect: QRectF, value: float, delta: float): if value == self.m_min: return if self.m_barStyle == self.BarStyle.EXPAND: p.setBrush(self.palette().highlight()) p.setPen(QPen(self.palette().shadow().color(), self.m_dataPenWidth)) radius = (baseRect.height() / 2) / delta p.drawEllipse(baseRect.center(), radius, radius) return if self.m_barStyle == self.BarStyle.LINE: p.setPen(QPen(self.palette().highlight().color(), self.m_dataPenWidth)) p.setBrush(Qt.NoBrush) if value == self.m_max: p.drawEllipse(baseRect.adjusted(self.m_outlinePenWidth / 2, self.m_outlinePenWidth / 2, -self.m_outlinePenWidth / 2, -self.m_outlinePenWidth / 2)) else: arcLength = 360 / delta p.drawArc(baseRect.adjusted(self.m_outlinePenWidth / 2, self.m_outlinePenWidth / 2, -self.m_outlinePenWidth / 2, -self.m_outlinePenWidth / 2), int(self.m_nullPosition * 16), int(-arcLength * 16)) return dataPath = QPainterPath() dataPath.setFillRule(Qt.WindingFill) if value == self.m_max: dataPath.addEllipse(baseRect) else: arcLength = 360 / delta dataPath.moveTo(baseRect.center()) dataPath.arcTo(baseRect, self.m_nullPosition, -arcLength) dataPath.lineTo(baseRect.center()) p.setBrush(self.palette().highlight()) p.setPen(QPen(self.palette().shadow().color(), self.m_dataPenWidth)) p.drawPath(dataPath)