DWaterProgress
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Irony
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243
QProgressBar/Lib/DWaterProgress.py
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243
QProgressBar/Lib/DWaterProgress.py
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Created on 2021/1/1
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@author: Irony
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@site: https://pyqt5.com , https://github.com/892768447
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@email: 892768447@qq.com
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@file: DWaterProgress
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@see https://github.com/linuxdeepin/dtkwidget/blob/master/src/widgets/dwaterprogress.cpp
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@description:
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"""
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import math
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from PyQt5.QtCore import pyqtSlot, QTimer, QSizeF, Qt, QRectF, QPointF, QRect, QPoint, QSize
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from PyQt5.QtGui import QImage, QColor, QPainter, QLinearGradient, QGradient, QPainterPath, QPixmap, QBrush, QPen
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from PyQt5.QtSvg import QSvgRenderer
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from PyQt5.QtWidgets import QProgressBar, QGraphicsDropShadowEffect
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WATER_FRONT = """<svg xmlns="http://www.w3.org/2000/svg" width="383" height="115" viewBox="0 0 383 115">
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<path fill="#01C4FF" fill-rule="evenodd" d="M383,115 L383,14.1688789 C380.269872,14.0716143 377.092672,13.5814974 373.063461,12.4722672 C368.696509,11.2699114 362.241136,10.1727531 357.649256,10.1227411 C347.007291,10.0071963 342.744795,10.6014761 332.930121,12.0276784 C326.157898,13.0120512 317.51313,12.4953762 311.375303,10.33762 C305.58601,8.30230681 299.587109,8.09191178 293.164466,8.16675723 C284.09108,8.27264456 276.303198,11.8021073 267.219716,11.3406179 C260.695053,11.0091595 256.565913,8.56512814 248.546835,8.86450991 C241.871757,9.11387975 235.569934,13.1896798 228.881972,13.3297132 C219.538394,13.525622 215.498041,10.7384053 208.282229,8.42337018 C201.688974,6.30769299 190.725982,6.45048568 185.454442,8.65549452 C170.142255,15.0597811 162.05946,9.31703167 150.536236,5.36712375 C147.826999,4.43862637 144.672431,3.20971247 141.663406,2.90998579 C135.153716,2.26155522 129.812539,3.9788615 123.613779,5.46231888 C115.747555,7.3451819 106.643181,6.73503633 99.4869089,3.84572629 C96.4124243,2.60474055 93.6255416,0.951587506 90.1882469,0.261077932 C79.652131,-1.85528907 69.7970674,9.59778831 58.8051757,9.35186757 C49.4744806,9.14319709 42.6942497,2.4740197 33.3934986,1.93078665 C20.5224457,1.17888312 19.3845731,15.343297 0,13.8463882 L0,115 L383,115 Z"/>
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</svg>
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"""
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WATER_BACK = """<svg xmlns="http://www.w3.org/2000/svg" width="383" height="115" viewBox="0 0 383 115">
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<path fill="#007DFF" fill-rule="evenodd" d="M383,115 L383,14.1688789 C380.269872,14.0716143 377.092672,13.5814974 373.063461,12.4722672 C368.696509,11.2699114 362.241136,10.1727531 357.649256,10.1227411 C347.007291,10.0071963 342.744795,10.6014761 332.930121,12.0276784 C326.157898,13.0120512 317.51313,12.4953762 311.375303,10.33762 C305.58601,8.30230681 299.587109,8.09191178 293.164466,8.16675723 C284.09108,8.27264456 276.303198,11.8021073 267.219716,11.3406179 C260.695053,11.0091595 256.565913,8.56512814 248.546835,8.86450991 C241.871757,9.11387975 235.569934,13.1896798 228.881972,13.3297132 C219.538394,13.525622 215.498041,10.7384053 208.282229,8.42337018 C201.688974,6.30769299 190.725982,6.45048568 185.454442,8.65549452 C170.142255,15.0597811 162.05946,9.31703167 150.536236,5.36712375 C147.826999,4.43862637 144.672431,3.20971247 141.663406,2.90998579 C135.153716,2.26155522 129.812539,3.9788615 123.613779,5.46231888 C115.747555,7.3451819 106.643181,6.73503633 99.4869089,3.84572629 C96.4124243,2.60474055 93.6255416,0.951587506 90.1882469,0.261077932 C79.652131,-1.85528907 69.7970674,9.59778831 58.8051757,9.35186757 C49.4744806,9.14319709 42.6942497,2.4740197 33.3934986,1.93078665 C20.5224457,1.17888312 19.3845731,15.343297 0,13.8463882 L0,115 L383,115 Z"/>
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</svg>
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"""
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class Pop:
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# https://github.com/linuxdeepin/dtkwidget/blob/master/src/widgets/dwaterprogress.cpp#L36
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def __init__(self, size, xs, ys, xo=0, yo=0):
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self.size = size
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self.xSpeed = xs
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self.ySpeed = ys
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self.xOffset = xo
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self.yOffset = yo
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class DWaterProgress(QProgressBar):
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def __init__(self, *args, **kwargs):
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super(DWaterProgress, self).__init__(*args, **kwargs)
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self.waterFrontImage = QImage()
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self.waterBackImage = QImage()
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self.waterFrontSvg = QSvgRenderer(WATER_FRONT.encode())
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self.waterBackSvg = QSvgRenderer(WATER_BACK.encode())
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self.pops = []
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self.initPops()
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self.setTextVisible(True)
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self.interval = 33
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self.timer = QTimer(self)
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self.timer.setInterval(self.interval)
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self.timer.timeout.connect(self.onTimerOut)
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self.resizePixmap(self.size())
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self.frontXOffset = self.width()
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self.backXOffset = 0
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effect = QGraphicsDropShadowEffect(self)
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effect.setOffset(0, 6)
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effect.setColor(QColor(1, 153, 248, 255 * 5 / 20))
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effect.setBlurRadius(12)
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self.setGraphicsEffect(effect)
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def initPops(self):
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self.pops = [Pop(7, -1.8, 0.6), Pop(8, 1.2, 1.0), Pop(11, 0.8, 1.6)]
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@pyqtSlot()
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def start(self):
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self.timer.start()
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@pyqtSlot()
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def stop(self):
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self.timer.stop()
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def resizePixmap(self, sz):
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# https://github.com/linuxdeepin/dtkwidget/blob/master/src/widgets/dwaterprogress.cpp#L192
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# resize water
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waterWidth = 500 * sz.width() / 100
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waterHeight = 110 * sz.height() / 100
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waterSize = QSizeF(waterWidth, waterHeight).toSize()
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if self.waterFrontImage.size() != waterSize:
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image = QImage(waterWidth, waterHeight, QImage.Format_ARGB32)
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image.fill(Qt.transparent)
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waterPainter = QPainter(image)
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self.waterFrontSvg.render(waterPainter)
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self.waterFrontImage = image
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if self.waterBackImage.size() != waterSize:
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image = QImage(waterWidth, waterHeight, QImage.Format_ARGB32)
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image.fill(Qt.transparent) # partly transparent red-ish background
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waterPainter = QPainter(image)
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self.waterBackSvg.render(waterPainter)
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self.waterBackImage = image
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def onTimerOut(self):
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# interval can not be zero, and limit to 1
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self.interval = max(1, self.interval)
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# move 60% per second
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frontXDeta = 40.0 / (1000.0 / self.interval)
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# move 90% per second
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backXDeta = 60.0 / (1000.0 / self.interval)
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canvasWidth = int(self.width() * self.devicePixelRatioF())
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self.frontXOffset -= frontXDeta * canvasWidth / 100
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self.backXOffset += backXDeta * canvasWidth / 100
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if self.frontXOffset > canvasWidth:
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self.frontXOffset = canvasWidth
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if self.frontXOffset < - (self.waterFrontImage.width() - canvasWidth):
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self.frontXOffset = canvasWidth
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if self.backXOffset > self.waterBackImage.width():
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self.backXOffset = 0
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# update pop
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# move 25% per second default
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speed = 25 / (1000.0 / self.interval) # 100 / self.height()
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for pop in self.pops:
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# yOffset 0 ~ 100
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pop.yOffset += speed * pop.ySpeed
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if pop.yOffset < 0:
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pass
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if pop.yOffset > self.value():
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pop.yOffset = 0
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pop.xOffset = math.sin((pop.yOffset / 100) * 2 * 3.14) * 18 * pop.xSpeed + 50
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self.update()
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def paint(self, painter):
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painter.setRenderHint(QPainter.Antialiasing)
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pixelRatio = self.devicePixelRatioF()
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rect = QRectF(0, 0, self.width() * pixelRatio, self.height() * pixelRatio)
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sz = QSizeF(self.width() * pixelRatio, self.height() * pixelRatio).toSize()
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self.resizePixmap(sz)
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yOffset = rect.toRect().topLeft().y() + (100 - self.value() - 10) * sz.height() / 100
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# draw water
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waterImage = QImage(sz, QImage.Format_ARGB32_Premultiplied)
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waterPainter = QPainter()
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waterPainter.begin(waterImage)
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waterPainter.setRenderHint(QPainter.Antialiasing)
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waterPainter.setCompositionMode(QPainter.CompositionMode_Source)
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pointStart = QPointF(sz.width() / 2, 0)
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pointEnd = QPointF(sz.width() / 2, sz.height())
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linear = QLinearGradient(pointStart, pointEnd)
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startColor = QColor('#1F08FF')
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startColor.setAlphaF(1)
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endColor = QColor('#50FFF7')
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endColor.setAlphaF(0.28)
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linear.setColorAt(0, startColor)
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linear.setColorAt(1, endColor)
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linear.setSpread(QGradient.PadSpread)
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waterPainter.setPen(Qt.NoPen)
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waterPainter.setBrush(linear)
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waterPainter.drawEllipse(waterImage.rect().center(), sz.width() / 2 + 1, sz.height() / 2 + 1)
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waterPainter.setCompositionMode(QPainter.CompositionMode_SourceOver)
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waterPainter.drawImage(int(self.backXOffset), yOffset, self.waterBackImage)
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waterPainter.drawImage(int(self.backXOffset) - self.waterBackImage.width(), yOffset, self.waterBackImage)
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waterPainter.drawImage(int(self.frontXOffset), yOffset, self.waterFrontImage)
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waterPainter.drawImage(int(self.frontXOffset) - self.waterFrontImage.width(), yOffset, self.waterFrontImage)
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# draw pop
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if self.value() > 30:
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for pop in self.pops:
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popPath = QPainterPath()
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popPath.addEllipse(pop.xOffset * sz.width() / 100, (100 - pop.yOffset) * sz.height() / 100,
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pop.size * sz.width() / 100, pop.size * sz.height() / 100)
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waterPainter.fillPath(popPath, QColor(255, 255, 255, 255 * 0.3))
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if self.isTextVisible():
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font = waterPainter.font()
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rectValue = QRect()
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progressText = self.text().strip('%')
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if progressText == '100':
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font.setPixelSize(sz.height() * 35 / 100)
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waterPainter.setFont(font)
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rectValue.setWidth(sz.width() * 60 / 100)
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rectValue.setHeight(sz.height() * 35 / 100)
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rectValue.moveCenter(rect.center().toPoint())
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waterPainter.setPen(Qt.white)
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waterPainter.drawText(rectValue, Qt.AlignCenter, progressText)
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else:
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font.setPixelSize(sz.height() * 40 / 100)
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waterPainter.setFont(font)
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rectValue.setWidth(sz.width() * 45 / 100)
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rectValue.setHeight(sz.height() * 40 / 100)
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rectValue.moveCenter(rect.center().toPoint())
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rectValue.moveLeft(rect.left() + rect.width() * 0.45 * 0.5)
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waterPainter.setPen(Qt.white)
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waterPainter.drawText(rectValue, Qt.AlignCenter, progressText)
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font.setPixelSize(font.pixelSize() / 2)
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waterPainter.setFont(font)
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rectPerent = QRect(QPoint(rectValue.right(), rectValue.bottom() - rect.height() * 20 / 100),
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QPoint(rectValue.right() + rect.width() * 20 / 100, rectValue.bottom()))
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waterPainter.drawText(rectPerent, Qt.AlignCenter, '%')
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waterPainter.end()
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maskPixmap = QPixmap(sz)
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maskPixmap.fill(Qt.transparent)
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path = QPainterPath()
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path.addEllipse(QRectF(0, 0, sz.width(), sz.height()))
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maskPainter = QPainter()
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maskPainter.begin(maskPixmap)
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maskPainter.setRenderHint(QPainter.Antialiasing)
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maskPainter.setPen(QPen(Qt.white, 1))
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maskPainter.fillPath(path, QBrush(Qt.white))
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maskPainter.end()
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mode = QPainter.CompositionMode_SourceIn
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contentImage = QImage(sz, QImage.Format_ARGB32_Premultiplied)
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contentPainter = QPainter()
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contentPainter.begin(contentImage)
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contentPainter.setCompositionMode(QPainter.CompositionMode_Source)
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contentPainter.fillRect(contentImage.rect(), Qt.transparent)
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contentPainter.setCompositionMode(QPainter.CompositionMode_SourceOver)
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contentPainter.drawImage(0, 0, maskPixmap.toImage())
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contentPainter.setCompositionMode(mode)
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contentPainter.drawImage(0, 0, waterImage)
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contentPainter.setCompositionMode(QPainter.CompositionMode_DestinationOver)
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contentPainter.end()
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contentImage.setDevicePixelRatio(pixelRatio)
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painter.drawImage(self.rect(), contentImage)
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def paintEvent(self, event):
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painter = QPainter(self)
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self.paint(painter)
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def sizeHint(self):
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return QSize(100, 100)
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