Lines Matching refs:keep
95 int keep;
142 else if ((keep = png_chunk_unknown_handling(png_ptr, chunk_name)) != 0)
144 png_handle_unknown(png_ptr, info_ptr, length, keep);
760 int keep;
798 else if ((keep = png_chunk_unknown_handling(png_ptr, chunk_name)) != 0)
806 png_handle_unknown(png_ptr, info_ptr, length, keep);
3896 * be set above and then libpng will keep the alpha channel for this