colormap1        1390 ext/gd/libgd/gd_topal.c   JSAMPROW colormap1 = cinfo->colormap[1];
colormap1        1398 ext/gd/libgd/gd_topal.c   int *colormap1 = nim->green;
colormap1        1511 ext/gd/libgd/gd_topal.c 	    cur1 -= GETJSAMPLE (colormap1[pixcode]);