X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4946a942d77cf51e00aa56404756e124d7c11411..c13d6ac1ea199d1e3908d40d129e2fd5a4d82df7:/src/png/TODO diff --git a/src/png/TODO b/src/png/TODO index a5f639577d..0af8d827a4 100644 --- a/src/png/TODO +++ b/src/png/TODO @@ -1,3 +1,4 @@ +/* TODO - list of things to do for libpng: Final bug fixes. @@ -8,7 +9,7 @@ Fix problem with C++ and EXTERN "C". cHRM transformation. Improve setjmp/longjmp usage or remove it in favor of returning error codes. Add "grayscale->palette" transformation and "palette->grayscale" detection. -Improved dithering. +Improved quantizing and dithering. Multi-lingual error and warning message support. Complete sRGB transformation (presently it simply uses gamma=0.45455). Man pages for function calls. @@ -17,8 +18,14 @@ Better filter selection (counting huffman bits/precompression? filter inertia? filter costs?). Histogram creation. Text conversion between different code pages (Latin-1 -> Mac and DOS). -Should we always malloc 2^bit_depth PLTE/tRNS/hIST entries for safety? Build gamma tables using fixed point (and do away with floating point entirely). +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. +Provide for conditional compilation of 16-bit support (except for the + initial stripping down to 8-bits when reading a 16-bit PNG datastream). +Switch to the simpler zlib (zlib/libpng) license if legally possible. + +*/