sourCEntral - mobile manpages

pdf

apng2gif

NAME

apng2gif − convert APNG animated images to GIF files

SYNOPSIS

  apng2gif <INPUT *.png> <OUTPUT *.gif> [options]

DESCRIPTION

Progrmam apng2gif converts APNG into animated GIF format.

The Animated Portable Network Graphics ( APNG ) file format is an extension to the Portable Network Graphics ( PNG ) specification. It allows for animated PNG files that work similarly to animated GIF files, while retaining backward compatibility with non-animated PNG files and adding support for 8−bit transparency and 24−bit images.

Default run values are /t 128, no background color. A short syntax hlp is provided without any command line arguments.

OPTIONS

/b COLOR

Background blend color. Format: #RGB in hex, like #808080, or three values in decimal. Like: 128 128 128. If this option is used, option /t is ignored

With option:

 /b #ff0000   or
 /b 255 0 0

will set the background color as red, so partially transparent pixels will be composed over red.

/t LEVEL

Transparency threshold level between 0..155. Default is 128. pixels with alpha level less than 128 will become fully transparent.

ENVIRONMENT

None.

FILES

None.

STANDARDS

APNG homepage http://animatedpng.com

SEE ALSO

gifsicle(1) gifview(1) optipng(1) pngcheck(1) pngcrush pnginfo(1) pngnq(1) pngquant(1)

AUTHORS

Program was written by Max Stepi <maxst AT users DOT sourceforge DOT net>

This manual page was written by Jari Aalto <jari DOT aalto AT cante DOT net>. Released under license GNU GPL version 2 or (at your option) any later version. For more information about license, visit <http://www.gnu.org/copyleft/gpl.html>.

pdf