gdImageConvolution 5356 ext/gd/gd.c res = gdImageConvolution(im_src, matrix, div, offset); gdImageConvolution 4044 ext/gd/libgd/gd.c return gdImageConvolution(src, filter, 1, 127); gdImageConvolution 4053 ext/gd/libgd/gd.c return gdImageConvolution(im, filter, 16, 0); gdImageConvolution 4067 ext/gd/libgd/gd.c return gdImageConvolution(im, filter, 1, 127); gdImageConvolution 4076 ext/gd/libgd/gd.c return gdImageConvolution(im, filter, 1, 0); gdImageConvolution 4087 ext/gd/libgd/gd.c return gdImageConvolution(im, filter, weight+8, 0); gdImageConvolution 649 ext/gd/libgd/gd.h int gdImageConvolution(gdImagePtr src, float ft[3][3], float filter_div, float offset);