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- /*
- TODO - list of things to do for libpng:
- Final bug fixes.
- Better C++ wrapper/full C++ implementation?
- Fix problem with C++ and EXTERN "C".
- cHRM transformation.
- Remove setjmp/longjmp usage in favor of returning error codes.
- Palette creation.
- Add "grayscale->palette" transformation and "palette->grayscale" detection.
- Improved dithering.
- Multi-lingual error and warning message support.
- Complete sRGB transformation (presently it simply uses gamma=0.45455).
- Make profile checking optional via a png_set_something() call.
- Man pages for function calls.
- Better documentation.
- Better filter selection
- (counting huffman bits/precompression? filter inertia? filter costs?).
- Histogram creation.
- Text conversion between different code pages (Latin-1 -> Mac and DOS).
- Avoid building gamma tables whenever possible.
- 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.
- */
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