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| author | Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com> | 2015-03-21 19:40:21 +0100 |
|---|---|---|
| committer | Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com> | 2015-03-27 19:39:31 +0100 |
| commit | 060ad3def45745e26c4ce75883eb1d3ae22d6839 (patch) | |
| tree | d6adc91d768d8977a0dc97ea8808005117b68676 /gnu/packages/image.scm | |
| parent | 9b5db9be7f109dbdeda56b42853550f7b749b385 (diff) | |
| download | gnu-guix-060ad3def45745e26c4ce75883eb1d3ae22d6839.tar gnu-guix-060ad3def45745e26c4ce75883eb1d3ae22d6839.tar.gz | |
gnu: Add libwebp.
* gnu/packages/image.scm (libwebp): New variable.
Diffstat (limited to 'gnu/packages/image.scm')
| -rw-r--r-- | gnu/packages/image.scm | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gnu/packages/image.scm b/gnu/packages/image.scm index 11cb63a895..9c7e50494f 100644 --- a/gnu/packages/image.scm +++ b/gnu/packages/image.scm @@ -29,6 +29,7 @@ #:use-module (gnu packages doxygen) #:use-module (gnu packages fontutils) #:use-module (gnu packages ghostscript) + #:use-module (gnu packages gl) #:use-module (gnu packages maths) #:use-module (gnu packages perl) #:use-module (gnu packages pkg-config) @@ -475,3 +476,39 @@ algorithms and data structures. It is particularly strong for multi-dimensional image processing.") (license license:expat) (home-page "https://hci.iwr.uni-heidelberg.de/vigra"))) + +(define-public libwebp + (package + (name "libwebp") + (version "0.4.3") + (source + (origin + (method url-fetch) + (uri (string-append + "http://downloads.webmproject.org/releases/webp/libwebp-" version + ".tar.gz")) + (sha256 + (base32 "1i4hfczjm3b1qj1g4cc9hgb69l47f3nkgf6hk7nz4dm9zmc0vgpg")))) + (build-system gnu-build-system) + (inputs + `(("freeglut" ,freeglut) + ("giflib" ,giflib) + ("libjpeg" ,libjpeg) + ("libpng" ,libpng) + ("libtiff" ,libtiff))) + (arguments + '(#:configure-flags '("--enable-libwebpmux" + "--enable-libwebpdemux" + "--enable-libwebpdecoder"))) + (home-page "https://developers.google.com/speed/webp/") + (synopsis "Lossless and lossy image compression") + (description + "WebP is a new image format that provides lossless and lossy compression +for images. WebP lossless images are 26% smaller in size compared to +PNGs. WebP lossy images are 25-34% smaller in size compared to JPEG images at +equivalent SSIM index. WebP supports lossless transparency (also known as +alpha channel) with just 22% additional bytes. Transparency is also supported +with lossy compression and typically provides 3x smaller file sizes compared +to PNG when lossy compression is acceptable for the red/green/blue color +channels.") + (license license:bsd-3))) |