gdImageConvolution 4894 gd.c           	res = gdImageConvolution(im_src, matrix, (float)div, (float)offset);
gdImageConvolution  788 libgd/gd.h     int gdImageConvolution(gdImagePtr src, float ft[3][3], float filter_div, float offset);
gdImageConvolution  416 libgd/gd_filter.c 	return gdImageConvolution(src, filter, 1, 127);
gdImageConvolution  425 libgd/gd_filter.c 	return gdImageConvolution(im, filter, 16, 0);
gdImageConvolution  439 libgd/gd_filter.c 	return gdImageConvolution(im, filter, 1, 127);
gdImageConvolution  448 libgd/gd_filter.c 	return gdImageConvolution(im, filter, 1, 0);
gdImageConvolution  459 libgd/gd_filter.c 	return gdImageConvolution(im, filter, weight+8, 0);