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[libpng17] Imported from libpng-1.7.0beta46.tar

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Glenn Randers-Pehrson
2015-01-02 09:13:35 -06:00
parent 9c078fb7d2
commit eb67f8bcb1
13 changed files with 25 additions and 17 deletions
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libpng.3
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@@ -5641,6 +5641,10 @@ semicolon in your definition, e.g.,
# endif
#endif
The png_get_IHDR() function now allows users to supply NULL for any
argument in which they aren't interested. Previously, the width, height,
bit_depth, and color_type arguments were not allowed to be NULL.
The 8-bit compose and rgb_to_grayscale operations were made more accurate.
While these did not introduce API incompatibility, there may be differences
in unit test results.