contrast         4229 ext/gd/gd.c    	zend_long contrast, tmp;
contrast         4231 ext/gd/gd.c    	if (zend_parse_parameters(ZEND_NUM_ARGS(), "rll", &SIM, &tmp, &contrast) == FAILURE) {
contrast         4243 ext/gd/gd.c    	if (gdImageContrast(im_src, (int)contrast) == 1) {
contrast          783 ext/gd/libgd/gd.h int gdImageContrast(gdImagePtr src, double contrast);
contrast          127 ext/gd/libgd/gd_filter.c int gdImageContrast(gdImagePtr src, double contrast)
contrast          142 ext/gd/libgd/gd_filter.c 	contrast = (double)(100.0-contrast)/100.0;
contrast          143 ext/gd/libgd/gd_filter.c 	contrast = contrast*contrast;
contrast          156 ext/gd/libgd/gd_filter.c 			rf = rf*contrast;
contrast          162 ext/gd/libgd/gd_filter.c 			bf = bf*contrast;
contrast          168 ext/gd/libgd/gd_filter.c 			gf = gf*contrast;