PNG_ALPHA_OPTIMIZED 8042 contrib/libtests/pngvalid.c       case ALPHA_MODE_OFFSET + PNG_ALPHA_OPTIMIZED:
PNG_ALPHA_OPTIMIZED 8193 contrib/libtests/pngvalid.c          if (do_background == ALPHA_MODE_OFFSET + PNG_ALPHA_OPTIMIZED &&
PNG_ALPHA_OPTIMIZED 8489 contrib/libtests/pngvalid.c                case ALPHA_MODE_OFFSET + PNG_ALPHA_OPTIMIZED:
PNG_ALPHA_OPTIMIZED 9262 contrib/libtests/pngvalid.c       case ALPHA_MODE_OFFSET + PNG_ALPHA_OPTIMIZED:
PNG_ALPHA_OPTIMIZED 3795 pngread.c                     mode = PNG_ALPHA_OPTIMIZED;
PNG_ALPHA_OPTIMIZED  333 pngrtran.c           case PNG_ALPHA_OPTIMIZED:  /* associated, non-opaque pixels linear */