def __init__(self, image):
self.isRunning = True
self.image = image
self.frame = QPixmap(image.rect().size() + QSize(0, 20))
self.frame.fill(Qt.transparent)
QSplashScreen.__init__(self, self.frame,
QtCore.Qt.WindowStaysOnTopHint)
# COMPARISON BETWEEN EASING CURVES
easingCurve = QEasingCurve()
easingCurve.setCustomType(self.funkyEasingFunc)
self.anim = LoadingDotsWidget(None,
ypos=110,
xsize=self.image.rect().size().width() +
10,
sep=40,
offsetx=0,
speed=100,
easingcurve=easingCurve,
amount=3,
loopingOn=3)
self.anim.s_externalRepaint.connect(self.update)
self.frameSize = self.rect().size() + QSize(0, 20)
class PaintWidget(QtWidgets.QWidget):
def __init__(self):
super(PaintWidget, self).__init__()
self.isLooping = True
self.yPosition = 100
self.dotsRadius = 8
self.dotsColor = QtGui.QColor(255, 0, 15)
self.dotsAmount = 3
self.dotsSpeed = 500
self.dotsSeparation = 70
# ANIMATION PARAMETERS
self.customEasing = QEasingCurve()
self.customEasing.setCustomType(self.customEasingFunc)
self.animationSize = 500
self.dotsPosition = []
self.dotsAnimations = []
self.createPosition()
self.createAnimation()
@staticmethod
def customEasingFunc(x):
return 3.3 * (x - 0.51) ** 3 + 0.2 * (x - 7.9) + 2
def startMoving(self):
print(self.dotsAnimations)
separationTime = (self.dotsSeparation / self.dotsSpeed) * 1000
for i, animation in enumerate(self.dotsAnimations):
QtCore.QTimer.singleShot(i * separationTime, animation.start)
def createPosition(self):
for i in range(self.dotsAmount):
self.dotsPosition.append(QtCore.QPoint(0, self.yPosition))
def createAnimation(self):
duration = (self.animationSize / self.dotsSpeed)*1000
for i, _ in enumerate(self.dotsPosition):
anim = QtCore.QVariantAnimation(self, startValue=0, endValue=self.animationSize,
duration=duration, easingCurve=self.customEasing)
wrapper = partial(self.updatePosition, i)
anim.valueChanged.connect(wrapper)
if self.isLooping:
anim.finished.connect(anim.start)
self.dotsAnimations.append(anim)
@QtCore.pyqtSlot(int, QtCore.QVariant)
def updatePosition(self, i, position):
self.dotsPosition[i] = QtCore.QPoint(position, self.yPosition)
self.update()
def paintEvent(self, event):
painter = QtGui.QPainter(self)
painter.fillRect(self.rect(), QtCore.Qt.transparent)
painter.setRenderHint(QtGui.QPainter.Antialiasing, True)
painter.setPen(QtCore.Qt.NoPen)
for position in self.dotsPosition:
painter.setBrush(
QtGui.QBrush(self.dotsColor, QtCore.Qt.SolidPattern)
)
painter.drawEllipse(position, self.dotsRadius, self.dotsRadius)
