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| -rw-r--r-- | gnu/packages/image.scm | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/gnu/packages/image.scm b/gnu/packages/image.scm index b88f6cf9de..d6c39e5c7e 100644 --- a/gnu/packages/image.scm +++ b/gnu/packages/image.scm @@ -18,6 +18,7 @@ ;;; Copyright © 2017 Julien Lepiller <julien@lepiller.eu> ;;; Copyright © 2018 Joshua Sierles, Nextjournal <joshua@nextjournal.com> ;;; Copyright © 2018 Fis Trivial <ybbs.daans@hotmail.com> +;;; Copyright © 2018 Pierre Neidhardt <ambrevar@gmail.com> ;;; ;;; This file is part of GNU Guix. ;;; @@ -1400,3 +1401,50 @@ Features: images stored in the JPEG format with R. It can read and write both files and in-memory raw vectors.") (license license:gpl2+))) + +(define-public gifsicle + (package + (name "gifsicle") + (version "1.91") + (source + (origin + (method url-fetch) + (uri (string-append "http://www.lcdf.org/gifsicle/gifsicle-" + version ".tar.gz")) + (sha256 + (base32 + "00586z1yz86qcblgmf16yly39n4lkjrscl52hvfxqk14m81fckha")))) + (build-system gnu-build-system) + (arguments + '(#:phases + (modify-phases %standard-phases + (add-before 'check 'patch-tests + (lambda _ + (substitute* "test/testie" + (("/usr/bin/perl") + (which "perl")) + (("/bin/sh") + (which "sh")) + (("/bin/rm") + (which "rm"))) + #t))))) + (native-inputs `(("perl" ,perl))) ; Only for tests. + (inputs `(("libx11" ,libx11))) + (home-page "http://www.lcdf.org/gifsicle/") + (synopsis "Edit GIF images and animations") + (description "Gifsicle is a command-line GIF image manipulation tool that: + +@itemize +@item Provides a batch mode for changing GIFs in place. +@item Prints detailed information about GIFs, including comments. +@item Control over interlacing, comments, looping, transparency, etc. +@item Creates well-behaved GIFs: removes redundant colors, only uses local color +tables, etc. +@item Shrinks colormaps and change images to use the Web-safe palette. +@item Optimizes GIF animations, or unoptimizes them for easier editing. +@end itemize + +Two other programs are included with Gifsicle: @command{gifview} is a +lightweight animated-GIF viewer, and @command{gifdiff} compares two GIFs for +identical visual appearance.") + (license license:gpl2+))) |