srcback           235 ext/gd/libgd/gd_filter.c 	gdImagePtr  srcback;
srcback           244 ext/gd/libgd/gd_filter.c 	srcback = gdImageCreateTrueColor (src->sx, src->sy);
srcback           245 ext/gd/libgd/gd_filter.c 	if (srcback==NULL) {
srcback           249 ext/gd/libgd/gd_filter.c 	gdImageSaveAlpha(srcback, 1);
srcback           250 ext/gd/libgd/gd_filter.c 	new_pxl = gdImageColorAllocateAlpha(srcback, 0, 0, 0, 127);
srcback           251 ext/gd/libgd/gd_filter.c 	gdImageFill(srcback, 0, 0, new_pxl);
srcback           253 ext/gd/libgd/gd_filter.c 	gdImageCopy(srcback, src,0,0,0,0,src->sx,src->sy);
srcback           260 ext/gd/libgd/gd_filter.c 			new_a = gdImageAlpha(srcback, pxl);
srcback           265 ext/gd/libgd/gd_filter.c 				        pxl = f(srcback, MIN(MAX(x - 1 + i, 0), src->sx - 1), yv);
srcback           266 ext/gd/libgd/gd_filter.c 					new_r += (float)gdImageRed(srcback, pxl) * filter[j][i];
srcback           267 ext/gd/libgd/gd_filter.c 					new_g += (float)gdImageGreen(srcback, pxl) * filter[j][i];
srcback           268 ext/gd/libgd/gd_filter.c 					new_b += (float)gdImageBlue(srcback, pxl) * filter[j][i];
srcback           287 ext/gd/libgd/gd_filter.c 	gdImageDestroy(srcback);
srcback           301 ext/gd/libgd/gd_filter.c 	gdImagePtr srcback;
srcback           310 ext/gd/libgd/gd_filter.c 	srcback = gdImageCreateTrueColor (src->sx, src->sy);
srcback           311 ext/gd/libgd/gd_filter.c 	if (srcback==NULL) {
srcback           314 ext/gd/libgd/gd_filter.c 	gdImageCopy(srcback, src,0,0,0,0,src->sx,src->sy);
srcback           329 ext/gd/libgd/gd_filter.c 						new_a = gdImageAlpha(srcback, pxl);
srcback           331 ext/gd/libgd/gd_filter.c 						new_r = ((float)gdImageRed(srcback, cpxl)) - ((float)gdImageRed (srcback, pxl));
srcback           342 ext/gd/libgd/gd_filter.c 						new_g = ((float)gdImageGreen(srcback, cpxl)) - ((float)gdImageGreen(srcback, pxl));
srcback           353 ext/gd/libgd/gd_filter.c 						new_b = ((float)gdImageBlue(srcback, cpxl)) - ((float)gdImageBlue(srcback, pxl));
srcback           390 ext/gd/libgd/gd_filter.c 					new_r += (float)gdImageRed(srcback, pxl) * flt_r[j][i];
srcback           391 ext/gd/libgd/gd_filter.c 					new_g += (float)gdImageGreen(srcback, pxl) * flt_g[j][i];
srcback           392 ext/gd/libgd/gd_filter.c 					new_b += (float)gdImageBlue(srcback, pxl) * flt_b[j][i];
srcback           406 ext/gd/libgd/gd_filter.c 	gdImageDestroy(srcback);