GraphicCommons.py 文件源码

def TestPoint(self, pt):
        # Test the wire start point
        rect = wx.Rect(self.Points[0].x - ANCHOR_DISTANCE, self.Points[0].y - ANCHOR_DISTANCE,
                       2 * ANCHOR_DISTANCE, 2 * ANCHOR_DISTANCE)
        if rect.InsideXY(pt.x, pt.y):
            return 0
        # Test the wire end point
        if len(self.Points) > 1:
            rect = wx.Rect(self.Points[-1].x - ANCHOR_DISTANCE, self.Points[-1].y - ANCHOR_DISTANCE,
                           2 * ANCHOR_DISTANCE, 2 * ANCHOR_DISTANCE)
            if rect.InsideXY(pt.x, pt.y):
                return -1
        return None

    # Returns the wire segment if the point given is on it