gdImageConvolution 4912 ext/gd/gd.c res = gdImageConvolution(im_src, matrix, (float)div, (float)offset); gdImageConvolution 789 ext/gd/libgd/gd.h int gdImageConvolution(gdImagePtr src, float ft[3][3], float filter_div, float offset); gdImageConvolution 416 ext/gd/libgd/gd_filter.c return gdImageConvolution(src, filter, 1, 127); gdImageConvolution 425 ext/gd/libgd/gd_filter.c return gdImageConvolution(im, filter, 16, 0); gdImageConvolution 439 ext/gd/libgd/gd_filter.c return gdImageConvolution(im, filter, 1, 127); gdImageConvolution 448 ext/gd/libgd/gd_filter.c return gdImageConvolution(im, filter, 1, 0); gdImageConvolution 459 ext/gd/libgd/gd_filter.c return gdImageConvolution(im, filter, weight+8, 0);