Besides, the paper designs some algorithms which are related with graphic algorithms in nesting algorithm, for example hull algorithm and composite polygon algorithm.

此外，本文设计了自动排料算法中其它一些相关的图形学算法，如凸包算法和合成多边形算法。

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This paper first studies the graphic outer and inner cut by convex polygon, then the graphic cut by arbitrary polygon. Its application of compiler program proves to be satisfactory.

本文首先讨论了凸多边形对图形的外裁剪和内裁剪，在此基础上研究了任意多边形对图形的裁剪问题，通过编程应用，效果良好。

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Button shape for a custom polygon, ellipse, or plucked out of a bitmap graphic decision.

按钮的外形可以为自定义的多边形、椭圆，或由位图中抠出的图形决定。

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