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Update libPNG to latest build.

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This commit is contained in:
Areloch 2017-10-17 14:55:57 -05:00
parent 6479c7592a
commit e6755c4b61
32 changed files with 1974 additions and 719 deletions
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4
Engine/lib/lpng/TODO
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@ -7,7 +7,7 @@ Fix problem with C++ and EXTERN "C".
cHRM transformation.
Remove setjmp/longjmp usage in favor of returning error codes. As a start on
this, minimize the use of png_error(), replacing them with
png_warning(); return(0; or similar.
png_warning(); return(0); or similar.
Palette creation.
Add "grayscale->palette" transformation and "palette->grayscale" detection.
Improved dithering.
@ -24,7 +24,7 @@ Use greater precision when changing to linear gamma for compositing against
background and doing rgb-to-gray transformation.
Investigate pre-incremented loop counters and other loop constructions.
Add interpolated method of handling interlacing.
Switch to the simpler zlib (zlib/libpng) license if legally possible.
Extend pngvalid.c to validate more of the libpng transformations.
Refactor preprocessor conditionals to compile entire statements
*/