src/3rdparty/libpng/TODO
changeset 30 5dc02b23752f
parent 0 1918ee327afb
equal deleted inserted replaced
29:b72c6db6890b 30:5dc02b23752f
       
     1 /*
     1 TODO - list of things to do for libpng:
     2 TODO - list of things to do for libpng:
     2 
     3 
     3 Final bug fixes.
     4 Final bug fixes.
     4 Improve API by hiding the png_struct and png_info structs.
     5 Improve API by hiding the png_struct and png_info structs.
     5 Finish work on the no-floating-point version (including gamma compensation)
     6 Finish work on the no-floating-point version (including gamma compensation)
    15 Better documentation.
    16 Better documentation.
    16 Better filter selection
    17 Better filter selection
    17    (counting huffman bits/precompression?  filter inertia?  filter costs?).
    18    (counting huffman bits/precompression?  filter inertia?  filter costs?).
    18 Histogram creation.
    19 Histogram creation.
    19 Text conversion between different code pages (Latin-1 -> Mac and DOS).
    20 Text conversion between different code pages (Latin-1 -> Mac and DOS).
    20 Should we always malloc 2^bit_depth PLTE/tRNS/hIST entries for safety?
       
    21 Build gamma tables using fixed point (and do away with floating point entirely).
    21 Build gamma tables using fixed point (and do away with floating point entirely).
       
    22 Avoid building gamma tables whenever possible.
    22 Use greater precision when changing to linear gamma for compositing against
    23 Use greater precision when changing to linear gamma for compositing against
    23   background and doing rgb-to-gray transformation.
    24   background and doing rgb-to-gray transformation.
    24 Investigate pre-incremented loop counters and other loop constructions.
    25 Investigate pre-incremented loop counters and other loop constructions.
    25 Add interpolated method of handling interlacing.
    26 Add interpolated method of handling interlacing.
       
    27 Provide for conditional compilation of 16-bit support (except for the
       
    28   initial stripping down to 8-bits when reading a 16-bit PNG datastream).
       
    29 Switch to the simpler zlib (zlib/libpng) license if legally possible.
       
    30 
       
    31 */