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[libpng15] Added palette-index checking.

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Glenn Randers-Pehrson
2012-03-04 22:16:54 -06:00
parent caae038b69
commit 454e05a63a
15 changed files with 242 additions and 43 deletions
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10
pngrtran.c
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@@ -1,8 +1,8 @@
/* pngrtran.c - transforms the data in a row for PNG readers
*
* 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.)
*
@@ -2296,6 +2296,12 @@ png_do_read_transformations(png_structp png_ptr, png_row_infop row_info)
png_do_unpack(row_info, png_ptr->row_buf + 1);
#endif
#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED
/* Added at libpng-1.5.10 */
if (row_info->color_type == PNG_COLOR_TYPE_PALETTE)
png_do_check_palette_indexes(png_ptr, row_info);
#endif
#ifdef PNG_READ_BGR_SUPPORTED
if (png_ptr->transformations & PNG_BGR)
png_do_bgr(row_info, png_ptr->row_buf + 1);