Lines Matching full:grey
563 LAC_ALPHA, /*use color type user requested, but if only opaque pixels and RGBA or grey+alpha, use RGB or grey*/
584 output image, e.g. grey if there are only greyscale pixels, palette if there
1204 reduction algorithm that is beyong the scope of a PNG encoder (yes, RGB to grey
1283 -any grey or grey+alpha, to grey or grey+alpha
