Through judging the relation of the position between the circle clip window and the line to be clipped, a new line-clipping algorithm is given based on the correlative literatures.

在相关文献提出的基于矩形窗口裁剪的圆形窗口裁剪算法的基础上，通过判断圆形窗口与待裁线段的位置关系，提出一个免解二次方程的圆形窗口裁剪算法。

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The vertex positions are transformed from clip-space to window space via the Perspective Divide and the Viewport Transform.

经过视角除法和视口变换两步，顶点的位置就从裁剪空间变换到了窗口空间。

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Check out a clip of Chuck forcing himself on her, claiming her as his, and then punching his hand through window, which causes the shattered glass to cut her face (above)!

退房剪辑的查强迫自己在她身上，声称她是他，冲他的手，然后通过窗口，这将导致玻璃碎片削减她的脸(上)！

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The Xvid CODEC works well but if I try to do anything else, such as open the stream information window while the clip is playing it causes the video to freeze and requires me to press pause then play again.

ENGADGET: MacBook Pro: the ultimate portable HD machine! HD

Step up to the window and you see Bill Gross next to you fingering a few big bills from his money clip and betting on the municipal ponies.

FORBES: Loose Lips, Lots Of Hype Make Municipal Bonds Look Juicy