def drawColorPie(self, painter: QPainter) -> None:
radius: int = 95
painter.save()
painter.setPen(Qt.NoPen)
rect: QRectF = QRectF(-radius, -radius, radius * 2, radius * 2)
# 计算总范围角度,当前值范围角度,剩余值范围角度
angleAll: float = 360.0 - self.__startAngle - self.__endAngle
angleCurrent: float = angleAll * ((self.__value - self.__minValue) /
(self.__maxValue - self.__minValue))
angleOther: float = angleAll - angleCurrent
# 绘制当前值饼圆
painter.setBrush(self.__progressColor)
painter.drawPie(rect, (270 - self.__startAngle - angleCurrent) * 16,
angleCurrent * 16)
# 绘制剩余值饼圆
painter.setBrush(self.__progressBgColor)
painter.drawPie(
rect, (270 - self.__startAngle - angleCurrent - angleOther) * 16,
angleOther * 16)
painter.restore()
def paintEvent(self, event):
rect = QRect(10, 20, 80, 60)
path = QPainterPath()
path.moveTo(20, 80)
path.lineTo(20, 30)
path.cubicTo(80, 0, 50, 50, 80, 80)
startAngle = 30 * 16
arcLength = 120 * 16
painter = QPainter(self)
painter.setPen(self.pen)
painter.setBrush(self.brush)
if self.antialiased:
painter.setRenderHint(QPainter.Antialiasing)
for x in range(0, self.width(), 100):
for y in range(0, self.height(), 100):
painter.save()
painter.translate(x, y)
if self.transformed:
painter.translate(50, 50)
painter.rotate(60.0)
painter.scale(0.6, 0.9)
painter.translate(-50, -50)
if self.shape == RenderArea.Line:
painter.drawLine(rect.bottomLeft(), rect.topRight())
elif self.shape == RenderArea.Points:
painter.drawPoints(RenderArea.points)
elif self.shape == RenderArea.Polyline:
painter.drawPolyline(RenderArea.points)
elif self.shape == RenderArea.Polygon:
painter.drawPolygon(RenderArea.points)
elif self.shape == RenderArea.Rect:
painter.drawRect(rect)
elif self.shape == RenderArea.RoundedRect:
painter.drawRoundedRect(rect, 25, 25, Qt.RelativeSize)
elif self.shape == RenderArea.Ellipse:
painter.drawEllipse(rect)
elif self.shape == RenderArea.Arc:
painter.drawArc(rect, startAngle, arcLength)
elif self.shape == RenderArea.Chord:
painter.drawChord(rect, startAngle, arcLength)
elif self.shape == RenderArea.Pie:
painter.drawPie(rect, startAngle, arcLength)
elif self.shape == RenderArea.Path:
painter.drawPath(path)
elif self.shape == RenderArea.Text:
painter.drawText(rect, Qt.AlignCenter,
"PySide 2\nQt %s" % qVersion())
elif self.shape == RenderArea.Pixmap:
painter.drawPixmap(10, 10, self.pixmap)
painter.restore()
painter.setPen(self.palette().dark().color())
painter.setBrush(Qt.NoBrush)
painter.drawRect(QRect(0, 0, self.width() - 1, self.height() - 1))
def paintEvent(self, event):
rect = QRect(10, 20, 80, 60)
path = QPainterPath()
path.moveTo(20, 80)
path.lineTo(20, 30)
path.cubicTo(80, 0, 50, 50, 80, 80)
startAngle = 30 * 16
arcLength = 120 * 16
painter = QPainter(self)
painter.setPen(self.pen)
painter.setBrush(self.brush)
if self.antialiased:
painter.setRenderHint(QPainter.Antialiasing)
for x in range(0, self.width(), 100):
for y in range(0, self.height(), 100):
painter.save()
painter.translate(x, y)
if self.transformed:
painter.translate(50, 50)
painter.rotate(60.0)
painter.scale(0.6, 0.9)
painter.translate(-50, -50)
if self.shape == RenderArea.Line:
painter.drawLine(rect.bottomLeft(), rect.topRight())
elif self.shape == RenderArea.Points:
painter.drawPoints(RenderArea.points)
elif self.shape == RenderArea.Polyline:
painter.drawPolyline(RenderArea.points)
elif self.shape == RenderArea.Polygon:
painter.drawPolygon(RenderArea.points)
elif self.shape == RenderArea.Rect:
painter.drawRect(rect)
elif self.shape == RenderArea.RoundedRect:
painter.drawRoundedRect(rect, 25, 25, Qt.RelativeSize)
elif self.shape == RenderArea.Ellipse:
painter.drawEllipse(rect)
elif self.shape == RenderArea.Arc:
painter.drawArc(rect, startAngle, arcLength)
elif self.shape == RenderArea.Chord:
painter.drawChord(rect, startAngle, arcLength)
elif self.shape == RenderArea.Pie:
painter.drawPie(rect, startAngle, arcLength)
elif self.shape == RenderArea.Path:
painter.drawPath(path)
elif self.shape == RenderArea.Text:
painter.drawText(rect, Qt.AlignCenter,
"PySide 2\nQt %s" % qVersion())
elif self.shape == RenderArea.Pixmap:
painter.drawPixmap(10, 10, self.pixmap)
painter.restore()
painter.setPen(self.palette().dark().color())
painter.setBrush(Qt.NoBrush)
painter.drawRect(QRect(0, 0, self.width() - 1, self.height() - 1))
def drawArc(self, painter: QPainter, radius: int, angle: float,
arc_color: QColor) -> None:
painter.save()
painter.setPen(Qt.NoPen)
smallradius: int = radius - self.__radiusWidth
maxRaidus: int = radius + self.__shadowWidth
minRadius: int = smallradius - self.__shadowWidth
# 采用圆形渐变,形成光晕效果
radialGradient: QRadialGradient = QRadialGradient(
QPointF(0, 0), maxRaidus)
color: QColor = arc_color
lightColor: QColor = arc_color.name()
color.setAlphaF(0)
radialGradient.setColorAt(0, color)
radialGradient.setColorAt(minRadius * 1.0 / maxRaidus, color)
color.setAlphaF(0.5)
radialGradient.setColorAt(smallradius * 1.0 / maxRaidus, color)
radialGradient.setColorAt((smallradius + 1) * 1.0 / maxRaidus,
lightColor)
radialGradient.setColorAt((radius - 1) * 1.0 / maxRaidus, lightColor)
radialGradient.setColorAt(radius * 1.0 / maxRaidus, color)
color.setAlphaF(0)
radialGradient.setColorAt(1, color)
painter.setBrush(QBrush(radialGradient))
painter.drawPie(-maxRaidus, -maxRaidus, maxRaidus * 2, maxRaidus * 2,
90 * 16, int(-angle * 16))
painter.restore()
def paintEvent(self, event):
painter = QPainter(self)
painter.setRenderHint(painter.Antialiasing)
#painter.setBrush(QBrush(Qt.black, Qt.NoBrush))
#painter.drawRect(self.winBox) # border
# value selector indicator
painter.setBrush(QBrush(Qt.black, Qt.SolidPattern))
painter.drawPie(self.vIdBox, 16 * (degrees(self.vIdAng) - 22.5), 720)
# value selector arc
painter.setClipPath(self.vArcPath)
painter.setPen(Qt.NoPen)
arc = QConicalGradient(self.cen, self.e_ang)
color = QColor()
color.setHsv(self.hue, self.sat, 255)
arc.setColorAt(1 - (self.e_ang - self.s_ang) / 360.0, color)
arc.setColorAt(1, Qt.black)
arc.setColorAt(0, Qt.black)
painter.setBrush(arc)
painter.drawPath(self.vArcPath)
painter.setClipPath(self.vArcPath, Qt.NoClip)
# color wheel
painter.setPen(Qt.NoPen)
painter.setBrush(self.cWhlBrush1)
painter.drawEllipse(self.cWhBox)
painter.setBrush(self.cWhlBrush2)
painter.drawEllipse(self.cWhBox)
# crosshairs
painter.setClipPath(self.colWhlPath)
painter.setBrush(QBrush(Qt.black, Qt.SolidPattern))
chVert = QRectF(0, 0, 2, 20)
chHort = QRectF(0, 0, 20, 2)
chVert.moveCenter(self.chPt)
chHort.moveCenter(self.chPt)
painter.drawRect(chVert)
painter.drawRect(chHort)
# named color locations
if self._showNames:
painter.setClipPath(self.vArcPath, Qt.NoClip)
painter.setPen(Qt.SolidLine)
try:
painter.drawPoints(*self._namedColorPts) # PyQt
except:
painter.drawPoints(self._namedColorPts) # PySide
def pieComponent(self):
piePainter = QPainter(self)
penPie = QPen()
penPie.setWidth(0)
penPie.setColor(
QColor(self.rpb_pieColor[0], self.rpb_pieColor[1],
self.rpb_pieColor[2]))
piePainter.setRenderHint(QPainter.Antialiasing)
piePainter.setPen(penPie)
piePainter.setBrush(
QColor(self.rpb_pieColor[0], self.rpb_pieColor[1],
self.rpb_pieColor[2]))
piePainter.drawPie(
self.rpb_piePosX, self.rpb_piePosY,
(self.rpb_Size - self.sizeFactor) * self.rpb_pieRatio,
(self.rpb_Size - self.sizeFactor) * self.rpb_pieRatio,
self.startPosition, self.rpb_value)