lab7.py 文件源码

def clipping(win):
    buf = win.scene.itemAt(now, QTransform()).rect()
    win.clip = [buf.left(), buf.right(), buf.top(),  buf.bottom()]
    for b in win.lines:
        pass
        win.pen.setColor(blue)
        cohen_sutherland(b, win.clip, win)
        win.pen.setColor(red)