用鼠标在屏幕上绘制任意顶点数的封闭多边形并填充,填充效果如下图所示

上传者: 42057358 | 上传时间: 2021-05-24 09:06:02 | 文件大小: 156.73MB | 文件类型: ZIP
用鼠标在屏幕上绘制任意顶点数的封闭多边形并填充,填充效果如下图所示。编程要求:⑴多边形的顶点数不受限制; ⑵按下鼠标左键,拖动鼠标绘制多边形,同时按下Shift键可以绘制水平边或垂直边; ⑶单击鼠标右键闭合多边形; ⑷使用边缘填充算法填充多边形。

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