[ITP] optipng 0.5.5 -- Advanced PNG (Portable Network Graphics) optimizer

[Jari Aalto (Cygwin-bug#20080307T0912)]

Included in Debian stable:

    http://packages.debian.org/optipng

Jari

sdesc: "Advanced PNG (Portable Network Graphics) optimizer"
ldesc: "A PNG optimizer that recompresses the image files to a smaller size.
It losslessly reduces the bit depth, the color type and the color
palette of the image, runs a suite of compression methods and
strategies, and selects the compression parameters that yield the
smallest output file. It also recognizes several external file formats
like BMP, GIF, TIFF and PNM (PBM, PGM, PPM)."
category: Utils
requires: cygwin libpng12 zlib

a) manual

  mkdir optipng
  cd optipng
  wget        \
    http://cygwin.cante.net/optipng/optipng-0.5.5-1-src.tar.bz2 \
    http://cygwin.cante.net/optipng/optipng-0.5.5-1.tar.bz2 \
    http://cygwin.cante.net/optipng/setup.hint
  tar -xf optipng-0.5.5-1-src.tar.bz2
  ./optipng*.sh --color all

b) automated

  gpg --keyserver pool.sks-keyservers.net --recv-keys 955A92D8

  mkdir optipng ; cd optipng
  rm -f get.sh get.sh.sig
  wget    http://cygwin.cante.net/optipng/get.sh \
          http://cygwin.cante.net/optipng/get.sh.sig &&
  gpg --verify get.sh.sig get.sh &&
  sh get.sh

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