用于PYQT的加载动画，基于QPainter实现

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使用

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self.progress = MyWaitProgressDialog('begin...',self)
        self.progress.RotateStyle = MyRotateProgress.MyRotateProgress.PenStyleNormal
        self.progress.exec()

分为三种样式

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1. PenStyleGradient

   self.progress.RotateStyle = MyRotateProgress.MyRotateProgress.PenStyleGradient

   

2. PenstylePerGradient

   self.progress.RotateStyle = MyRotateProgress.MyRotateProgress.PenstylePerGradient

   

3. PenstyleNormal

   self.progress.RotateStyle = MyRotateProgress.MyRotateProgress.PenstyleNormal