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)
def drawBase(self, p: QPainter, baseRect: QRectF):
if self.m_barStyle == self.BarStyle.DONUT:
p.setPen(QPen(self.palette().shadow().color(), self.m_outlinePenWidth))
p.setBrush(self.palette().base())
p.drawEllipse(baseRect)
elif self.m_barStyle == self.BarStyle.LINE:
p.setPen(QPen(self.palette().base().color(), self.m_outlinePenWidth))
p.setBrush(Qt.NoBrush)
p.drawEllipse(baseRect.adjusted(self.m_outlinePenWidth / 2, self.m_outlinePenWidth / 2,
-self.m_outlinePenWidth / 2, -self.m_outlinePenWidth / 2))
elif self.m_barStyle in (self.BarStyle.PIE, self.BarStyle.EXPAND):
p.setPen(QPen(self.palette().base().color(), self.m_outlinePenWidth))
p.setBrush(self.palette().base())
p.drawEllipse(baseRect)
def get_shapes_bounding_rect(shapes, margin=0.0):
rects = [shape.boundingRect() for shape in shapes]
reduced = QRectF()
for rect in rects:
reduced = reduced.united(rect)
return reduced.adjusted(-margin, -margin, margin, margin)