X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c801d85f158c4cba50b588807daabdcbd0ed3853..64ea838d8f4d1853b7d850db93ee565e901d099a:/src/png/TODO diff --git a/src/png/TODO b/src/png/TODO index 562859a22f..6e1f028bd7 100644 --- a/src/png/TODO +++ b/src/png/TODO @@ -1,22 +1,27 @@ -TODO - list of things to do for libpng +/* +TODO - list of things to do for libpng: -fix problem with C++ and EXTERN "C" -add "grayscale->palette" transformation and "palette->grayscale" detection -add "grayscale" -> "grayscale+alpha" and "grayscale+FILLER" transformations -improved dithering -multi-lingual error and warning message support -sPLT chunk handling -cHRM transformation -complete sRGB transformation (presently it simply uses gamma=0.45) -man pages for function calls -high-level API for reading images -final bug fixes -better documentation -better filter selection - (counting huffman bits/precompression? filter inertia? filter costs?) -optional palette creation -histogram creation -support for application-defined chunk handlers -keep up with public chunks -better C++ wrapper/full C++ implementation? -text conversion between different code pages (Latin-1 -> Mac and DOS) +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. +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). +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. + +*/