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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages image)
+ #:use-module (gnu packages)
+ #:use-module (gnu packages compression)
+ #:use-module (gnu packages file)
+ #:use-module ((guix licenses) #:renamer (symbol-prefix-proc 'license:))
+ #:use-module (guix packages)
+ #:use-module (guix download)
+ #:use-module (guix build-system gnu))
+
+(define-public libpng
+ (package
+ (name "libpng")
+ (version "1.5.17")
+ (source (origin
+ (method url-fetch)
+
+ ;; Note: upstream removes older tarballs.
+ (uri (list (string-append "mirror://sourceforge/libpng/libpng15/"
+ version "/libpng-" version ".tar.xz")
+ (string-append
+ "ftp://ftp.simplesystems.org/pub/libpng/png/src"
+ "/libpng15/libpng-" version ".tar.xz")))
+ (sha256
+ (base32 "19wj293r4plbfgb43yhrc2qx8bsch9gbazazfqrj9haa7lsk29jp"))))
+ (build-system gnu-build-system)
+
+ ;; libpng.la says "-lz", so propagate it.
+ (propagated-inputs `(("zlib" ,zlib)))
+
+ (synopsis "Library for handling PNG files")
+ (description
+ "Libpng is the official PNG (Portable Network Graphics) reference
+library. It supports almost all PNG features and is extensible.")
+ (license license:zlib)
+ (home-page "http://www.libpng.org/pub/png/libpng.html")))
+
+(define-public libjpeg
+ (package
+ (name "libjpeg")
+ (version "9")
+ (source (origin
+ (method url-fetch)
+ (uri (string-append "http://www.ijg.org/files/jpegsrc.v"
+ version ".tar.gz"))
+ (sha256 (base32
+ "0dg5wxcx3cw0hal9gvivj97vid9z0s5sb1yvg55hpxmafn9rxqn4"))))
+ (build-system gnu-build-system)
+ (synopsis "Libjpeg, a library for handling JPEG files")
+ (description
+ "Libjpeg implements JPEG image encoding, decoding, and transcoding.
+JPEG is a standardized compression method for full-color and gray-scale
+images.
+The included programs provide conversion between the JPEG format and
+image files in PBMPLUS PPM/PGM, GIF, BMP, and Targa file formats.")
+ (license license:ijg)
+ (home-page "http://www.ijg.org/")))
+
+(define-public libjpeg-8
+ (package (inherit libjpeg)
+ (version "8d")
+ (source (origin
+ (method url-fetch)
+ (uri (string-append "http://www.ijg.org/files/jpegsrc.v"
+ version ".tar.gz"))
+ (sha256 (base32
+ "1cz0dy05mgxqdgjf52p54yxpyy95rgl30cnazdrfmw7hfca9n0h0"))))))
+
+(define-public libtiff
+ (package
+ (name "libtiff")
+ (version "4.0.3")
+ (source (origin
+ (method url-fetch)
+ (uri (string-append "ftp://ftp.remotesensing.org/pub/libtiff/tiff-"
+ version ".tar.gz"))
+ (sha256 (base32
+ "0wj8d1iwk9vnpax2h29xqc2hwknxg3s0ay2d5pxkg59ihbifn6pa"))))
+ (build-system gnu-build-system)
+ (inputs `(("zlib" ,zlib)
+ ("libjpeg-8" ,libjpeg-8)))
+ ;; currently does not compile with libjpeg version 9
+ (native-inputs `(("file" ,file)))
+ (arguments
+ `(#:configure-flags
+ (list (string-append "--with-jpeg-include-dir="
+ (assoc-ref %build-inputs "libjpeg-8")
+ "/include"))
+ #:phases
+ (alist-cons-before
+ 'configure 'patch-configure
+ (lambda _
+ (substitute* "configure"
+ (("`/usr/bin/file")
+ (string-append "`" (which "file")))))
+ %standard-phases)))
+ (synopsis "Libtiff, a library for handling TIFF files")
+ (description
+ "Libtiff provides support for the Tag Image File Format (TIFF), a format
+used for storing image data.
+Included are a library, libtiff, for reading and writing TIFF and a small
+collection of tools for doing simple manipulations of TIFF images.")
+ (license (license:bsd-style "file://COPYRIGHT"
+ "See COPYRIGHT in the distribution."))
+ (home-page "http://www.libtiff.org/")))