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apngdis

NAME

apngdis − deconstruct APNG file into a sequence of PNG frames

SYNOPSIS

  apng2gif filename.png

DESCRIPTION

Extract invividual PNG files from animated PNG.

After editing PNG frames in programs like Photoshop or GIMP, you can assemle files back into APNG using apngasm(1). Crrectly handles all blend/dispose combinations, in all color modes/depths.

Some optimizations used in apngasm(1) might re-sort the palette, or change the color type from RGBA and RGB modes to RGB and indexed modes. Those optimizations are only performed when they are lossless, but if you want to avoid changing the palette or colortype, see options to turn them off.

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.

OPTIONS

None.

ENVIRONMENT

None.

FILES

None.

STANDARDS

APNG homepage http://animatedpng.com

SEE ALSO

apngasm(1) apngopt(1) apng2gif(1) gif2apng(1) 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>.

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