函数int SingleTrackE(int i, int j, int iop, int *code) 实现单区域轮廓跟踪 函数int CodeToTable(int *code,struct DOT *dot)实现链码表转换成线段表 -function int SingleTrackE (int i, int j, iop int, int * code) to achieve single contour tracking function int CodeToTable (int *