canvas_typed.py 文件源码

def addEllipse(self):
        item = QtCanvasEllipse(50, 50, self.canvas)
        item.setBrush(QBrush(QColor(rand() % 32 * 8, rand() % 32 * 8, rand() % 32 * 8)))
        item.move(rand() % self.canvas.width(), rand() % self.canvas.height())
        item.setZ(rand() % 256)
        item.show()
        return item