diff options
Diffstat (limited to 'pngwrite.c')
| -rw-r--r-- | pngwrite.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/pngwrite.c b/pngwrite.c index 6d3fd4c38..74aa7368e 100644 --- a/pngwrite.c +++ b/pngwrite.c @@ -1,8 +1,8 @@ /* pngwrite.c - general routines to write a PNG file * - * Last changed in libpng 1.5.7 [December 15, 2011] - * Copyright (c) 1998-2011 Glenn Randers-Pehrson + * Last changed in libpng 1.5.10 [(PENDING RELEASE)] + * Copyright (c) 1998-2012 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -305,6 +305,11 @@ png_write_end(png_structp png_ptr, png_infop info_ptr) if (!(png_ptr->mode & PNG_HAVE_IDAT)) png_error(png_ptr, "No IDATs written into file"); +#ifdef PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED + if (png_ptr->num_palette_max > png_ptr->num_palette) + png_warning(png_ptr, "Wrote palette index exceeding num_palette"); +#endif + /* See if user wants us to write information chunks */ if (info_ptr != NULL) { @@ -798,6 +803,13 @@ png_write_row(png_structp png_ptr, png_const_bytep row) } #endif +/* Added at libpng-1.5.10 */ +#ifdef PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED + /* Check for out-of-range palette index */ + if(row_info.color_type == PNG_COLOR_TYPE_PALETTE) + png_do_check_palette_indexes(png_ptr, &row_info); +#endif + /* Find a filter if necessary, filter the row and write it out. */ png_write_find_filter(png_ptr, &row_info); |