文章提出通用扫描线多边形填充算法，该算法可以有效地解决任意间距、任意倾角的扫描线对多边形的填充问题。
This paper puts forward General scan-line polygon fill algorithm. This algorithm can use scan-lines of varied interval and varied slope to fill a polygon.
只有这样，通用扫描线填充算法才能做到真正的通用。
The improvement of scan-line method will make it passable that all kinds of polygons can be filled correctly by this algorithm.
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