def rotated_by(self, pixmap, angle):
ans = pixmap.copy()
ans.fill(Qt.GlobalColor.transparent)
p = QPainter(ans)
p.setRenderHint(QPainter.RenderHint.SmoothPixmapTransform)
p.setRenderHint(QPainter.RenderHint.Antialiasing)
sz = ans.size().width() / ans.devicePixelRatio()
p.translate(sz // 2, sz // 2)
p.rotate(angle)
p.translate(-sz // 2, -sz // 2)
p.drawPixmap(0, 0, pixmap)
p.end()
return ans
def paintEvent(self, event):
if (not self.m_displayedWhenStopped) and (not self.isAnimated()):
return
width = min(self.width(), self.height())
painter = QPainter(self)
painter.setRenderHint(QPainter.RenderHint.Antialiasing)
outerRadius = (width - 1) * 0.5
innerRadius = (width - 1) * 0.5 * 0.4375
capsuleHeight = outerRadius - innerRadius
capsuleWidth = width * 3 / 32
capsuleRadius = capsuleWidth / 2
for i in range(0, 12):
color = QtGui.QColor(self.m_color)
if self.isAnimated():
color.setAlphaF(1.0 - (i / 12.0))
else:
color.setAlphaF(0.2)
painter.setPen(Qt.PenStyle.NoPen)
painter.setBrush(color)
painter.save()
painter.translate(self.rect().center())
painter.rotate(self.m_angle - (i * 30.0))
width = -1 * capsuleWidth / 2
height = -1 * (innerRadius + capsuleHeight)
painter.drawRoundedRect(
round(width),
round(height),
round(capsuleWidth),
round(capsuleHeight),
capsuleRadius,
capsuleRadius,
)
painter.restore()