Lines Matching full:bloc
2808 png_byte bloc[4];
2817 bchannels = component_loc(bloc, formatb);
2820 for (i=0; i<4; ++i) if (bloc[i] < 4)
2821 btoa[bloc[i]] = aloc[i]; /* may be '4' for alpha */
2824 alpha_added = bloc[0]; /* location of alpha channel in image b */
