KERNEL 254 3rdparty/libwebp/enc/filter.c const int ymin = (yo - KERNEL < 0) ? 0 : yo - KERNEL; KERNEL 255 3rdparty/libwebp/enc/filter.c const int ymax = (yo + KERNEL > H - 1) ? H - 1 : yo + KERNEL; KERNEL 256 3rdparty/libwebp/enc/filter.c const int xmin = (xo - KERNEL < 0) ? 0 : xo - KERNEL; KERNEL 257 3rdparty/libwebp/enc/filter.c const int xmax = (xo + KERNEL > W - 1) ? W - 1 : xo + KERNEL;