def drawTriangle(self, painter: QPainter) -> None:
if not self.__showTriangle: return
painter.save()
painter.setPen(Qt.NoPen)
painter.setBrush(self.__triangleColor)
# 绘制在右侧中间,根据设定的倒三角的边长设定三个点位置
width: int = self.width()
height: int = self.height()
midWidth: int = width // 2
midHeight: int = height // 2
pts: QPolygon = QPolygon()
if self.__trianglePosition == NavLabel.TrianglePosition.TrianglePosition_Left:
pts.append(QPoint(self.__triangleLen, midHeight))
pts.append(QPoint(0, midHeight - self.__triangleLen))
pts.append(QPoint(0, midHeight + self.__triangleLen))
elif self.__trianglePosition == NavLabel.TrianglePosition.TrianglePosition_Right:
pts.append(QPoint(width - self.__triangleLen, midHeight))
pts.append(QPoint(width, midHeight - self.__triangleLen))
pts.append(QPoint(width, midHeight + self.__triangleLen))
elif self.__trianglePosition == NavLabel.TrianglePosition.TrianglePosition_Top:
pts.append(QPoint(midWidth, self.__triangleLen))
pts.append(QPoint(midWidth - self.__triangleLen, 0))
pts.append(QPoint(midWidth + self.__triangleLen, 0))
elif self.__trianglePosition == NavLabel.TrianglePosition.TrianglePosition_Bottom:
pts.append(QPoint(midWidth, height - self.__triangleLen))
pts.append(QPoint(midWidth - self.__triangleLen, height))
pts.append(QPoint(midWidth + self.__triangleLen, height))
painter.drawPolygon(pts)
painter.restore()
def drawTitle(self, painter: QPainter) -> None:
painter.save()
painter.setPen(Qt.NoPen)
painter.setBrush(self.__tempColor)
offset: int = self.__borderWidth - self.__borderWidth // 3
rect: QRect = QRect(offset, offset, self.width() - offset * 2, self.__titleHeight)
painter.drawRect(rect)
# 绘制标题文字
if self.__isEnable:
painter.setPen(self.__alarmTextColor if self.__isAlarm else self.__titleColor)
else:
painter.setPen(self.__titleDisableColor)
painter.setFont(self.__titleFont)
# 文字区域要重新计算
offset = self.__borderWidth * 3
textRect: QRect = QRect(offset, 0, self.width() - offset * 2, self.__titleHeight)
align: Qt.Alignment = Qt.Alignment
if self.__titleAlignment == PanelItem.Alignment.Alignment_Left:
align = Qt.AlignLeft | Qt.AlignVCenter
elif self.__titleAlignment == PanelItem.Alignment.Alignment_Center:
align = Qt.AlignHCenter | Qt.AlignVCenter
elif self.__titleAlignment == PanelItem.Alignment.Alignment_Right:
align = Qt.AlignRight | Qt.AlignVCenter
painter.drawText(textRect, align, self.__titleText)
painter.restore()
def paint(self, painter: QPainter, option, widget=...) -> None:
painter.setBrush(self.brush())
painter.setPen(self.pen())
painter.setFont(self.font())
painter.drawText(self.boundingRect(), self.alignMode(),
self.elidedText())
def drawBg(self, painter: QPainter) -> None:
painter.save()
# 如果悬停则绘制外边框和内边框
if self.__hover or self.__hovered:
painter.setBrush(Qt.NoBrush)
pen: QPen = QPen()
pen.setWidth(2)
# 绘制外边框
pen.setColor(self.__bgColor)
painter.setPen(pen)
painter.drawRect(5, 5, self.width() - 10, self.height() - 10)
# 绘制里边框
pen.setColor("#FFFFFF")
painter.setPen(pen)
painter.drawRect(7, 7, self.width() - 14, self.height() - 14)
# 绘制里边背景
painter.setPen(Qt.NoPen)
painter.setBrush(QColor(self.__bgColor))
painter.drawRect(8, 8, self.width() - 16, self.height() - 16)
painter.restore()
def paintEvent(self, event):
super(PixmapWidget, self).paintEvent(event)
if not self.pixmap or self.pixmap.isNull():
return
p = QPainter(self)
source = QRect(0, 0, self.pixmap.width(), self.pixmap.height())
sw = float(source.width())
sh = float(source.height())
tw = float(self.width())+1
th = float(self.height())+1
tx = 0
ty = 0
if sw/tw > sh/th:
ntw = tw
nth = sh/sw*tw
ty = (th-nth)/2
else:
nth = th
ntw = sw/sh*th
tx = (tw-ntw)/2
target = QRect(tx, ty, ntw, nth)
p.setBrush(self.bgBrush)
p.setPen(self.bgPen)
p.drawRect(self.rect())
p.drawPixmap(target, self.pixmap, source)
def paintEvent(self, event: QPaintEvent):
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing, True)
painter.setBrush(QColor(255, 160, 90))
painter.drawEllipse(QPointF(self.radius, self.radius), self.radius - 1, self.radius - 1)
super(ChessPieces, self).paintEvent(event)
pass
def drawOverlay(self, painter: QPainter) -> None:
if not self.__showOverlay: return
radius: int = 80
painter.save()
painter.setPen(Qt.NoPen)
smallCircle: QPainterPath = QPainterPath()
bigCircle: QPainterPath = QPainterPath()
radius -= 1
smallCircle.addEllipse(-radius, -radius, radius * 2, radius * 2)
radius *= 2
bigCircle.addEllipse(-radius, -radius + 140, radius * 2, radius * 2)
# 高光的形状为小圆扣掉大圆的部分
highlight: QPainterPath = smallCircle - bigCircle
linearGradient: QLinearGradient = QLinearGradient(0, -radius / 2, 0, 0)
self.__overlayColor.setAlpha(100)
linearGradient.setColorAt(0.0, self.__overlayColor)
self.__overlayColor.setAlpha(30)
linearGradient.setColorAt(1.0, self.__overlayColor)
painter.setBrush(linearGradient)
painter.rotate(-20)
painter.drawPath(highlight)
painter.restore()
def paintGL(self):
r = min(self.width(), self.height()) / 2
self.__text_r = r - (r/10) # radius of the text
self.__tick_r = r - (r/8) # outer radius of the tick marks
self.__tick_l = (r/6) # length of each tick, extending inwards
self.__needle_l = (r/5) * 3 # length of the needle
self.font.setPixelSize(int(max(self.width(), self.height())/3))
self.note_font.setPixelSize(int(max(self.width(), self.height())/30))
self.title_font.setPixelSize(int(max(self.width(), self.height())/12))
painter = QPainter()
painter.begin(self)
painter.setFont(self.font)
painter.setPen(self.pen)
painter.setBrush(self.brush)
painter.setRenderHint(QPainter.Antialiasing)
self.draw_title(painter)
self.draw_value(painter)
if self.config["numerals"]:
self.draw_multiplier(painter)
self.draw_marks(painter)
painter.end()
def drawPercent(self, painter: QPainter) -> None:
painter.save()
# 百分比选择框的区域要小于边框宽度,同时偏移一点,是的看起来美观
offset: int = self.__borderWidth + 2
y: int = int(self.__rightHeight * (1 - self.__percent / 100))
# 禁用状态颜色要变暗
pen: QPen = QPen()
pen.setWidthF(self.__percentBorder)
pen.setColor(self.__percentColor if self.isEnabled() else self.
__disableColor.name())
painter.setPen(pen)
painter.setBrush(QColor(0, 0, 0, 50))
rect: QRect = QRect(offset, y + offset,
self.width() - offset * 2, self.__percentHeight)
painter.drawRoundedRect(rect, self.__percentRadius,
self.__percentRadius)
textFont: QFont = QFont()
textFont.setPixelSize(rect.width() // 3)
painter.setFont(textFont)
if self.__showValue:
painter.drawText(rect, Qt.AlignCenter, '%d' % round(self.__value))
else:
painter.drawText(rect, Qt.AlignCenter,
'%d%%' % round(self.__percent))
painter.restore()
def paintEvent(self, event):
painter = QPainter(self)
reset_brush = painter.brush()
for figure in self.__figures:
if not isinstance(figure, Figure):
continue
if isinstance(figure, Rectangle):
painter.setBrush(QBrush(Qt.red))
painter.drawRect(figure.x, figure.y,
figure.width, figure.height)
continue
# if isinstance(figure, Ellipse):
# painter.setBrush(QBrush(Qt.green))
# painter.drawEllipse(figure.x(), figure.y(), figure.width(), figure.height())
# continue
if isinstance(figure, CloseFigure):
painter.setBrush(QBrush(Qt.blue))
points = []
for point in figure.d:
points.append(QPoint(point['x'], point['y']))
painter.drawPolygon(points)
continue
def drawText(self, painter: QPainter) -> None:
painter.save()
painter.setPen(Qt.NoPen)
font: QFont = QFont()
font.setBold(True)
font.setPointSize(10)
painter.setFont(font)
now: QDateTime = QDateTime.currentDateTime()
fm: QFontMetricsF = QFontMetricsF(font)
textList: List[AnyStr] = [
now.toString("MM月dd日yyyy"),
now.toString("hh:mm:ss.zzz")
]
# 绘制文本路径
textPath: QPainterPath = QPainterPath()
textPath.addText(-fm.width(textList[0]) / 2.0, -fm.lineSpacing() / 2.0,
font, textList[0])
textPath.addText(-fm.width(textList[1]) / 2.0,
fm.lineSpacing() / 2.0, font, textList[1])
strokeColor: QColor = self.__textColor.light(80)
strokeColor.setAlphaF(0.2)
painter.strokePath(
textPath,
QPen(strokeColor, self.__shadowWidth, Qt.SolidLine, Qt.RoundCap,
Qt.RoundJoin))
painter.setBrush(self.__textColor)
painter.drawPath(textPath)
painter.restore()
def drawBg_ZFB(self, painter: QPainter) -> None:
painter.save()
# 圆半径为高度一定比例,计算宽度,将宽度等分
width: int = self.width() // self.__maxStep
height: int = self.height() // 3
radius: int = height // 3
initX: int = width // 2
initY: int = self.height() // 2
# 逐个绘制连接线条
pen: QPen = QPen()
pen.setWidthF(radius // 4)
pen.setCapStyle(Qt.RoundCap)
pen.setColor(self.__background)
painter.setPen(pen)
painter.setBrush(Qt.NoBrush)
for i in range(self.__maxStep - 1):
painter.drawLine(QPoint(initX, initY),
QPoint(initX + width, initY))
initX += width
# 逐个绘制圆
initX: int = width // 2
painter.setPen(Qt.NoPen)
painter.setBrush(self.__background)
for i in range(self.__maxStep):
painter.drawEllipse(QPoint(initX, initY), radius, radius)
initX += width
painter.restore()
def drawBg(self, painter: QPainter) -> None:
radius: int = 99
painter.save()
painter.setPen(Qt.NoPen)
painter.setBrush(self.__bgColor)
painter.drawEllipse(-radius, -radius, radius * 2, radius * 2)
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 __init__(self, parent, delegate):
QWidget.__init__(self, parent)
self.delegate = delegate
self.emitted = False
self.ui = Ui_AskVerdict()
self.ui.setupUi(self)
# build verdict icons
if not AskVerdict.icons_cache:
for text in VERDICTS:
color = VERDICT_TO_ROW_COLORS.get(text[0])
pixmap = QPixmap(16, 16)
pixmap.fill(Qt.transparent)
if color:
painter = QPainter(pixmap)
painter.setPen(Qt.black)
painter.setBrush(color)
painter.drawEllipse(0, 0, 15, 15)
painter.end()
AskVerdict.icons_cache[text] = QIcon(pixmap)
# set combo verdict
for text in ("other...", "skip", "retry"):
self.ui.comboVerdict.addItem(AskVerdict.icons_cache[text], text)
model = self.ui.comboVerdict.model()
model.itemFromIndex(model.index(0, 0)).setSelectable(False)
self.ui.comboVerdict.activated.connect(self.on_dropdown_item_activated)
self.ui.goodVerdict.clicked.connect(self.on_good_bad_button_clicked)
self.ui.goodVerdict.setIcon(AskVerdict.icons_cache["good"])
self.ui.badVerdict.clicked.connect(self.on_good_bad_button_clicked)
self.ui.badVerdict.setIcon(AskVerdict.icons_cache["bad"])
def paintEvent(self, paintEvent: QPaintEvent):
painter = QPainter(self)
painter.setBackgroundMode(Qt.TransparentMode)
painter.setRenderHint(QPainter.Antialiasing)
brush = QBrush()
brush.setStyle(Qt.SolidPattern)
pen = QPen()
pen.setJoinStyle(Qt.RoundJoin)
pen.setCapStyle(Qt.RoundCap)
center = QPoint(self.width() // 2, self.height() // 2)
radius = 0.45 * min(self.width(), self.height())
pen.setColor(self.palette().color(self.color[0]))
brush.setColor(self.palette().color(self.color[1]))
if self.highlight is True:
pen.setColor(self.palette().color(QPalette.Highlight))
pen.setWidth(round(0.15 * radius))
painter.setBrush(brush)
painter.setPen(pen)
painter.drawEllipse(center, radius, radius)
if self.checked is True:
brush.setColor(self.palette().color(QPalette.Background))
pen.setColor(self.palette().color(QPalette.Background))
painter.setPen(pen)
painter.setBrush(brush)
painter.drawEllipse(center, 0.40 * radius, 0.40 * radius)
del painter, brush, pen
def paintEvent(self, arg__1: QPaintEvent):
# super(Push, self).paintEvent(arg__1)
# lightgrey
painter = QPainter()
painter.begin(self)
pen = QPen(QColor(162, 181, 205), 2, Qt.SolidLine)
painter.setBrush(QBrush(QColor(255, 255, 255)))
painter.setPen(pen)
painter.setRenderHint(QPainter.Antialiasing, True)
rect = QRect()
rect.moveTo(1, 10)
rect.setWidth(140)
rect.setHeight(140)
painter.drawRoundedRect(rect, 5, 5)
painter.drawConvexPolygon(
[QPoint(60, 10), QPoint(80, 10),
QPoint(70, 1)])
pen.setColor(QColor(255, 255, 255))
painter.setPen(pen)
painter.drawLine(63, 10, 77, 10)
pen.setWidth(1)
painter.setPen(pen)
painter.drawPoints([QPoint(61, 10), QPoint(78, 10)])
painter.end()
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 drawPointerIndicator(self, painter: QPainter) -> None:
if not self.__showPointer: return
radius: int = self.__radiusCircle - 15
painter.save()
painter.setPen(Qt.NoPen)
painter.setBrush(self.__progressColor)
pts: QPolygon = QPolygon()
pts.append(QPoint(-8, 0))
pts.append(QPoint(8, 0))
pts.append(QPoint(0, radius))
painter.rotate(self.__startAngle)
degRotate: float = (360.0 - self.__startAngle - self.__endAngle) / (
self.__maxValue - self.__minValue) * (self.__value -
self.__minValue)
painter.rotate(degRotate)
painter.drawConvexPolygon(pts)
# 绘制中心圆点
radius = radius // 4
painter.drawEllipse(-radius, -radius, radius * 2, radius * 2)
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 paint(
self,
painter: QtGui.QPainter,
option: QtWidgets.QStyleOptionGraphicsItem,
widget: QtWidgets.QWidget = None,
):
view = self.scene().views()[0]
view_width = view.mapToScene(0, 0, self.width,
1).boundingRect().width()
width, unit = self.getWidthAndUnit(view_width)
# Current scale
text = f"{width * self.units[self.unit] / self.units[unit]:.3g} {unit}"
width = width * view.transform().m11()
fm = QtGui.QFontMetrics(self.font, painter.device())
path = QtGui.QPainterPath()
path.addText(
self.width / 2.0 - fm.boundingRect(text).width() / 2.0,
fm.ascent(),
self.font,
text,
)
painter.strokePath(path, QtGui.QPen(QtCore.Qt.black, 2.0))
painter.fillPath(path, QtGui.QBrush(self.color,
QtCore.Qt.SolidPattern))
# Draw the bar
rect = QtCore.QRectF(self.width / 2.0 - width / 2.0, fm.height(),
width, self.height)
painter.setPen(QtGui.QPen(QtCore.Qt.black, 1.0))
painter.setBrush(QtGui.QBrush(self.color, QtCore.Qt.SolidPattern))
painter.drawRect(rect)
def paintEvent(self, event):
side = min(self.width(), self.height())
time = QTime.currentTime()
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing)
painter.translate(self.width() / 2, self.height() / 2)
painter.scale(side / 200.0, side / 200.0)
painter.setPen(Qt.NoPen)
painter.setBrush(AnalogClock.hourColor)
painter.save()
painter.rotate(30.0 * ((time.hour() + time.minute() / 60.0)))
painter.drawConvexPolygon(AnalogClock.hourHand)
painter.restore()
painter.setPen(AnalogClock.hourColor)
for i in range(12):
painter.drawLine(88, 0, 96, 0)
painter.rotate(30.0)
painter.setPen(Qt.NoPen)
painter.setBrush(AnalogClock.minuteColor)
painter.save()
painter.rotate(6.0 * (time.minute() + time.second() / 60.0))
painter.drawConvexPolygon(AnalogClock.minuteHand)
painter.restore()
painter.setPen(AnalogClock.minuteColor)
for j in range(60):
if (j % 5) != 0:
painter.drawLine(92, 0, 96, 0)
painter.rotate(6.0)
def update(self, new_vals):
self.values = new_vals
painter = QPainter(self.label.pixmap())
painter.setRenderHint(QPainter.Antialiasing)
painter.setPen(QPen('#333333'))
painter.setBrush(QColor('#333333'))
painter.drawRect(self.label.rect())
pen = QPen(QColor(255, 255, 255))
pen.setWidth(1)
painter.setPen(pen)
painter.setBrush(QBrush(Qt.white))
x_old = -1
y_old = -1
for i in range(len(self.values)):
v = self.values[i]
x = i * (self.label.width() / len(self.values))
y = self.label.height() - self.label.height() * v
if self.connect_lines_check_box.isChecked() and i > 0:
painter.drawLine(x_old, y_old, x, y)
else:
painter.drawEllipse(x - 1, y - 1, 2, 2)
x_old = x
y_old = y
self.repaint()
def paintEvent(self, event: QPaintEvent):
painter = QPainter(self)
bg_color = bg_color_for_object_set(self.object_set, 0)
painter.setBrush(QBrush(bg_color))
painter.drawRect(QRect(QPoint(0, 0), self.size()))
pattern_table = PatternTable(self.object_set)
palette = load_palette(self.object_set, 0)
tsa_data = ROM.get_tsa_data(self.object_set)
horizontal = self.sprites_horiz
block_length = Block.WIDTH * self.zoom
for i in range(self.sprites):
block = Block(i, palette, pattern_table, tsa_data)
x = (i % horizontal) * block_length
y = (i // horizontal) * block_length
block.draw(painter, x, y, block_length)
return
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 drawSign(self, painter: QPainter) -> None:
painter.save()
# 如果当前选中则绘制角标
if self.__checked:
# 计算角标区域
rec: QRect = QRect(self.width() - self.__signSize,
self.height() - self.__signSize,
self.__signSize, self.__signSize)
# 绘制带边框背景
pen: QPen = QPen()
pen.setWidth(3)
pen.setColor("#FFFFFF")
painter.setPen(pen)
painter.setBrush(QColor(self.__signColor))
painter.drawEllipse(rec.x() + 3,
rec.y() + 3, self.__signSize - 6,
self.__signSize - 6)
# 绘制文字
self.__iconFont.setPixelSize(16)
painter.setFont(self.__iconFont)
painter.drawText(rec, Qt.AlignCenter, chr(0xf00c))
painter.restore()
def drawCoverCircle(self, painter: QPainter) -> None:
radius: int = self.__radiusCoverCircle
painter.save()
painter.setPen(Qt.NoPen)
painter.setBrush(self.__bgColor)
painter.drawEllipse(-radius, -radius, radius * 2, radius * 2)
painter.restore()
def drawOverlay(self, painter: QPainter) -> None:
# 如果没有启用绘制遮住颜色或者当前不可用则不用绘制
if not self.__showOverlay or not self.isEnabled():
return
painter.save()
# 根据当前百分比计算高度
width: int = self.__bgRect.width() - self.__borderWidth
height: int = self.__bgRect.height() - self.__borderWidth
height = int(height - (self.__percent / 100) * height)
if self.__outMode:
overlayRect = QRect(self.__borderWidth,
self.__borderWidth + self.__percentHeight // 2,
width, height)
else:
overlayRect = QRect(self.__borderWidth, self.__borderWidth, width,
height)
painter.setPen(Qt.NoPen)
painter.setBrush(self.__overlayColor)
painter.drawRect(overlayRect)
painter.restore()
def drawPointerIndicatorR(self, painter: QPainter) -> None:
if not self.__showPointer: return
radius: int = self.__radiusCircle - 15
painter.save()
pen: QPen = QPen()
pen.setWidth(1)
pen.setColor(self.__progressColor)
painter.setPen(pen)
painter.setBrush(self.__progressColor)
pts: QPolygon = QPolygon()
pts.append(QPoint(-8, 0))
pts.append(QPoint(8, 0))
pts.append(QPoint(0, radius))
painter.rotate(self.__startAngle)
degRotate: float = (360.0 - self.__startAngle - self.__endAngle) / (
self.__maxValue - self.__minValue) * (self.__value -
self.__minValue)
painter.rotate(degRotate)
painter.drawConvexPolygon(pts)
# 增加绘制圆角直线,与之前三角形重叠,形成圆角指针
pen.setCapStyle(Qt.RoundCap)
pen.setWidthF(4)
painter.setPen(pen)
painter.drawLine(0, 0, 0, radius)
# 绘制中心圆点
radius = radius // 4
painter.drawEllipse(-radius, -radius, radius * 2, radius * 2)
painter.restore()
class ImageViewer(QWidget):
def __init__(self):
super(ImageViewer, self).__init__()
self.painter = QPainter()
self.my_pen = QPen(QColor("red"))
self.my_pen.setWidth(5)
self.my_brush = QBrush(QColor("#123456"))
self.photo = QPixmap()
self.photo_rect = QRect()
def set_pixmap(self, image_path):
self.photo.load(image_path)
self.repaint()
def paintEvent(self, event):
self.painter.begin(self)
self.draw()
self.painter.end()
def draw(self):
rect = self.rect()
self.painter.setPen(self.my_pen)
self.painter.setBrush(self.my_brush)
photo = self.photo.scaled(QSize(rect.width(), rect.height()), Qt.KeepAspectRatio, Qt.SmoothTransformation)
self.photo_rect.setRect(rect.x(), rect.y(), photo.width(), photo.height())
self.photo_rect.moveCenter(rect.center())
self.painter.drawPixmap(self.photo_rect, photo)
def paint(self, painter: QPainter, option, widget=...):
if self.frame() is None:
super().paint(painter, option, widget)
else:
painter.setFont(self.font())
painter.setBrush(self.brush())
painter.drawText(self.frame(), self.alignment(), self.text())
def drawText_TB(self, painter: QPainter) -> None:
width: int = self.width() // self.__maxStep
height: int = self.height() // 3
initX: int = 0
initY: int = 0
painter.save()
font: QFont = QFont()
font.setPixelSize(height // 3)
painter.setFont(font)
painter.setPen(self.__background)
painter.setBrush(Qt.NoBrush)
# 绘制上部分文字
for i in range(self.__maxStep):
textRect: QRect = QRect(initX, initY, width, height)
painter.drawText(textRect, Qt.AlignCenter, self.__topInfo[i])
initX += width
# 绘制下部分文字
initX = 0
initY: int = self.height() // 3 * 2
for i in range(self.__currentStep):
textRect: QRect = QRect(initX, initY, width, height)
painter.drawText(textRect, Qt.AlignCenter, self.__bottomInfo[i])
initX += width
painter.restore()
def paintEvent(self, event):
qp = QPainter(self)
if not self.islocationSelected:
qp.setPen(QColor(175, 191, 191))
qp.setBrush(QColor(175, 191, 191)) #247,247,235
else:
qp.setBrush(QColor(50, 168, 82))
download = qp.drawEllipse(QPoint(62, 62), 62, 62)
def paint(self, painter: QPainter, styleOption: QStyleOptionGraphicsItem, widget: QWidget=None):
pen = QPen()
pen.setWidthF(0.05)
pen.setColor(Qt.darkGray)
painter.setPen(pen)
brush = QBrush()
brush.setColor(self.color)
brush.setStyle(Qt.SolidPattern)
painter.setBrush(brush)
topLeft = QPointF(0, 0)
bottomRight = QPointF(1, 1)
rectangle = QRectF(topLeft, bottomRight)
rectangle.translate(-0.5, -0.5)
painter.drawRect(rectangle)
def paintEvent(self, event):
painter = QPainter(self)
painter.fillRect(self.rect(), Qt.black)
if self.pixmap.isNull():
painter.setPen(Qt.white)
painter.drawText(self.rect(), Qt.AlignCenter,
"Rendering initial image, please wait...")
return
if self.curScale == self.pixmapScale:
painter.drawPixmap(self.pixmapOffset, self.pixmap)
else:
scaleFactor = self.pixmapScale / self.curScale
newWidth = int(self.pixmap.width() * scaleFactor)
newHeight = int(self.pixmap.height() * scaleFactor)
newX = self.pixmapOffset.x() + (self.pixmap.width() - newWidth) / 2
newY = self.pixmapOffset.y() + (self.pixmap.height() - newHeight) / 2
painter.save()
painter.translate(newX, newY)
painter.scale(scaleFactor, scaleFactor)
exposed, _ = painter.matrix().inverted()
exposed = exposed.mapRect(self.rect()).adjusted(-1, -1, 1, 1)
painter.drawPixmap(exposed, self.pixmap, exposed)
painter.restore()
text = "Use mouse wheel or the '+' and '-' keys to zoom. Press and " \
"hold left mouse button to scroll."
metrics = painter.fontMetrics()
textWidth = metrics.width(text)
painter.setPen(Qt.NoPen)
painter.setBrush(QColor(0, 0, 0, 127))
painter.drawRect((self.width() - textWidth) / 2 - 5, 0, textWidth + 10,
metrics.lineSpacing() + 5)
painter.setPen(Qt.white)
painter.drawText((self.width() - textWidth) / 2,
metrics.leading() + metrics.ascent(), text)
def testSetBrushGradient(self):
painter = QPainter()
gradient = QLinearGradient(0, 0, 0, 0)
painter.setBrush(gradient)