           SPELL=apngasm
         VERSION=2.91
          SOURCE=$SPELL-$VERSION-src-only.zip
   SOURCE_URL[0]=https://downloads.sourceforge.net/sourceforge/$SPELL/$SOURCE
     SOURCE_HASH=sha512:5134d154b48fe84b86c221efdb4e89b9aaf61faad9b13780a0e51f8d2831e43e3069ed5be85c6644c66c4921133ec54cd6415896ec699bbb4b7c6187191526ae
SOURCE_DIRECTORY="$BUILD_DIRECTORY/$SPELL-$VERSION"
        WEB_SITE=http://apngasm.sourceforge.net
         ENTERED=20170506
      LICENSE[0]=ZLIB
        KEYWORDS="graphics"
           SHORT="APNG Assembler creates APNG animation from PNG/TGA image sequence."
cat << EOF
A number of optimization techniques used to make APNG files as small as possible:
inter-frame optimization utilizing alpha-blend and dispose operations, smaller
than the full-size subframes, dirty  transparency, color type and palette optimizations,
and various compression options: zlib, 7zip, Zopfli.

Command-line version is available for all major OSes, as well as GUI version for
Windows. C++ source code is available under zlib license
EOF
