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[libpng16] Fixed some bugs in ICC profile writing. The code should now accept

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all potentially valid ICC profiles and reject obviously invalid ones.
It now uses png_error() to do so rather than casually writing a PNG
without the necessary color data.
This commit is contained in:
John Bowler
2012-03-01 21:54:07 -06:00
committed by Glenn Randers-Pehrson
parent 363ae65e2b
commit cf49919686
7 changed files with 98 additions and 73 deletions
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pngwrite.c
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@@ -73,7 +73,7 @@ png_write_info_before_PLTE(png_structrp png_ptr, png_inforp info_ptr)
#ifdef PNG_WRITE_iCCP_SUPPORTED
if (info_ptr->valid & PNG_INFO_iCCP)
png_write_iCCP(png_ptr, info_ptr->iccp_name, PNG_COMPRESSION_TYPE_BASE,
(png_charp)info_ptr->iccp_profile, (int)info_ptr->iccp_proflen);
info_ptr->iccp_profile, info_ptr->iccp_proflen);
#endif
#ifdef PNG_WRITE_sBIT_SUPPORTED
if (info_ptr->valid & PNG_INFO_sBIT)