wok-next annotate apng2gif/description.txt @ rev 20734

nut: update (b)deps
author Aleksej Bobylev <al.bobylev@gmail.com>
date Tue May 29 18:57:36 2018 +0300 (2018-05-29)
parents 1ce2e857978b
children
rev   line source
al@14737 1 This program converts APNG animations into animated GIF format.
al@14737 2 Wu64 quantization is used for true-color files. Transparency is handled either
al@14737 3 using a threshold, or composed over chosen background color. CLI version is
al@19641 4 OS-independent, GUI version is available for Windows.
al@19641 5
al@14737 6 Another converter: gif2apng
al@14737 7
al@14737 8 Features
al@19641 9 --------
al@14737 10
al@19641 11 * Wu64 quantization for true-color files
al@19641 12 * Flexible options for transparency handling
al@19641 13 * CLI and GUI versions available
al@19641 14 * OS-independent source code is under zlib license
al@19641 15
al@19641 16 Usage
al@19641 17 -----
al@19641 18
al@19641 19 apng2gif anim.png [anim.gif] [-t tlevel] [-b bcolor]
al@19641 20
al@19641 21 Options
al@19641 22 -------
al@19641 23
al@19641 24 * -t 128 : will set the transparency threshold level as 128, so pixels with
al@19641 25 alpha level less than 128 will become fully transparent.
al@19641 26 * -b "#ff0000" -b 255 0 0 : will set the background color as red, so
al@19641 27 partially transparent pixels will be composed over red.
al@19641 28 When -b is used, -t is ignored.
al@19641 29
al@19641 30 When no options are specified, default threshold is 128, no background color.