261         ptrdiff_t mapstep = src.cols + 2;  in operator ()()  local
335         AutoBuffer<uchar> buffer(cn * mapstep * 3 * sizeof(int));  in operator ()()
339         mag_buf[1] = mag_buf[0] + mapstep*cn;  in operator ()()
340         mag_buf[2] = mag_buf[1] + mapstep*cn;  in operator ()()
445             uchar* _map = map + mapstep*i + 1;  in operator ()()
513 …                  if (!prev_flag && m > high && (i <= boundaries.start+1 || _map[j-mapstep] != 2) )  in operator ()()
549 …       if ( (m < map + (boundaries.start + 2) * mapstep) || (m >= map + boundaries.end * mapstep) )  in operator ()()
557             if (!m[-mapstep-1]) CANNY_PUSH(m - mapstep - 1);  in operator ()()
558             if (!m[-mapstep])   CANNY_PUSH(m - mapstep);  in operator ()()
559             if (!m[-mapstep+1]) CANNY_PUSH(m - mapstep + 1);  in operator ()()
560             if (!m[mapstep-1])  CANNY_PUSH(m + mapstep - 1);  in operator ()()
561             if (!m[mapstep])    CANNY_PUSH(m + mapstep);  in operator ()()
562             if (!m[mapstep+1])  CANNY_PUSH(m + mapstep + 1);  in operator ()()
641 ptrdiff_t mapstep = src.cols + 2;  in Canny()  local
645 memset(map, 1, mapstep);  in Canny()
646 memset(map + mapstep*(src.rows + 1), 1, mapstep);  in Canny()
681     if (!m[-mapstep-1]) CANNY_PUSH_SERIAL(m - mapstep - 1);  in Canny()
682     if (!m[-mapstep])   CANNY_PUSH_SERIAL(m - mapstep);  in Canny()
683     if (!m[-mapstep+1]) CANNY_PUSH_SERIAL(m - mapstep + 1);  in Canny()
684     if (!m[mapstep-1])  CANNY_PUSH_SERIAL(m + mapstep - 1);  in Canny()
685     if (!m[mapstep])    CANNY_PUSH_SERIAL(m + mapstep);  in Canny()
686     if (!m[mapstep+1])  CANNY_PUSH_SERIAL(m + mapstep + 1);  in Canny()
708     ptrdiff_t mapstep = src.cols + 2;  in Canny()  local
709     AutoBuffer<uchar> buffer((src.cols+2)*(src.rows+2) + cn * mapstep * 3 * sizeof(int));  in Canny()
713     mag_buf[1] = mag_buf[0] + mapstep*cn;  in Canny()
714     mag_buf[2] = mag_buf[1] + mapstep*cn;  in Canny()
715     memset(mag_buf[0], 0, /* cn* */mapstep*sizeof(int));  in Canny()
717     uchar* map = (uchar*)(mag_buf[2] + mapstep*cn);  in Canny()
718     memset(map, 1, mapstep);  in Canny()
719     memset(map + mapstep*(src.rows + 1), 1, mapstep);  in Canny()
845             memset(_norm-1, 0, /* cn* */mapstep*sizeof(int));  in Canny()
852         uchar* _map = map + mapstep*i + 1;  in Canny()
910             if (!prev_flag && m > high && _map[j-mapstep] != 2)  in Canny()
943         if (!m[-mapstep-1]) CANNY_PUSH(m - mapstep - 1);  in Canny()
944         if (!m[-mapstep])   CANNY_PUSH(m - mapstep);  in Canny()
945         if (!m[-mapstep+1]) CANNY_PUSH(m - mapstep + 1);  in Canny()
946         if (!m[mapstep-1])  CANNY_PUSH(m + mapstep - 1);  in Canny()
947         if (!m[mapstep])    CANNY_PUSH(m + mapstep);  in Canny()
948         if (!m[mapstep+1])  CANNY_PUSH(m + mapstep + 1);  in Canny()
954     const uchar* pmap = map + mapstep + 1;  in Canny()
956     for (int i = 0; i < src.rows; i++, pmap += mapstep, pdst += dst.step)  in Canny()