transformations.py 文件源码

def paintEvent(self, event):
        painter = QPainter(self)
        painter.setRenderHint(QPainter.Antialiasing)
        painter.fillRect(event.rect(), QBrush(Qt.white))

        painter.translate(66, 66)

        painter.save()
        self.transformPainter(painter)
        self.drawShape(painter)
        painter.restore()

        self.drawOutline(painter)

        self.transformPainter(painter)
        self.drawCoordinates(painter)