多边形裁减，多边形之间的交、并、异或、差。-polygon reduction, polygon between pay and that the differences or, worse.

第四章 基于的QT图形库修改MIDP中的graphics graphics是这样改的，看看MIDP文档，注意边界和宽度的定义-Chapter IV of the QT graphics library based on changes in the graphics graphics MIDP is such a change, and look at MIDP documentation, pay attention to the definition of the border and

图像处理：显示，直方图，尺寸变换，付式变换，滤波，输出图像-Image Processing: Display, Histogram, size change, pay-type transform, filter, output image