image_optim_pack

Precompiled binaries for image_optim.

Contains binaries for Mac OS X (>= 10.6, i386 and x86_64) and Linux (i686 and x86_64).

Binaries and libraries

• advpng by Andrea Mazzoleni and Filipe Estima (GNU GPLv3)
  • contains parts of 7z by Igor Pavlov with modifications by Andrea Mazzoleni (license)
  • and zopfli by Lode Vandevenne and Jyrki (license, contributors)
• gifsicle by Eddie Kohler (GNU GPLv2)
• jhead by Matthias Wandel (public domain)
• jpeg-recompress by Daniel G. Taylor (license)
  • includes Image Quality Assessment (IQA) by Tom Distler (license)
  • includes SmallFry by Derek Buitenhuis (license)
  • statically linked against mozjpeg, see below
• jpegoptim by Timo Kokkonen (GNU GPLv2 or later)
• libjpeg and jpegtran by the Independent JPEG Group (license)
• libjpeg-turbo by libjpeg-turbo Project (license)
  • based on libjpeg, see above
  • includes x86 SIMD extension for IJG JPEG library by Miyasaka Masaru (license)
• libpng by Guy Eric Schalnat, Andreas Dilger, Glenn Randers-Pehrson and others (license)
• mozjpeg by Mozilla Research (license)
  • base on libjpeg and libjpeg-turbo, see above
• optipng by Cosmin Truta (license, authors)
  • contains code based in part on the work of Miyasaka Masaru for BMP support (license)
  • and David Koblas for GIF support (license)
• pngcrush by Glenn Randers-Pehrson, portions by Greg Roelofs (license)
  • contains cexcept interface by Adam M. Costello and Cosmin Truta (license)
• pngquant by Kornel Lesiński based on code by Greg Roelofs and Jef Poskanzer after an idea by Stefan Schneider (license)
• zlib by Jean-Loup Gailly and Mark Adler (license)

You can download all source code using gnu make download target:

make download

Installation

gem install image_optim image_optim_pack

Or add to your Gemfile:

gem 'image_optim'
gem 'image_optim_pack'

Development

Mac OS X binaries and libraries are built on host, others using vagrant.

script/run # Build and test all for all oses and architectures
script/run NO_HALT=1 # Don't halt VMs after building

make all # Build and copy all to output directory for current os/arch, then test
make run # => all

make test # Test bins for current os/arch
make test -i # Continue if one of bins fail

make download # Download archives
make build # Build all without copying to output directory

make livecheck # Check versions
make update-versions # Update versions in Makefile

make clean # Remove build and output directories for current os/arch
make clean-all # Remove build root and output root directories
make clobber # `claen-all` and remove download directory

Copyright

Copyright (c) 2014-2015 Ivan Kuchin. See LICENSE.txt for details.