;;; 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 (gnu packages fontutils)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages xml)
  #: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/")))

(define-public libwmf
  (package
    (name "libwmf")
    (version "0.2.8.4")
    (source
      (origin
        (method url-fetch)
        (uri (string-append "mirror://sourceforge/wvware/"
                            name "/" version
                            "/" name "-" version ".tar.gz"))
        (sha256
          (base32 "1y3wba4q8pl7kr51212jwrsz1x6nslsx1gsjml1x0i8549lmqd2v"))))

    (build-system gnu-build-system)
    (inputs
      `(("freetype" ,freetype)
        ("libjpeg" ,libjpeg)
        ("libpng",libpng)
        ("libxml2" ,libxml2)
        ("zlib" ,zlib)))
    (native-inputs
      `(("pkg-config" ,pkg-config)))
    (synopsis "Library for reading images in the Microsoft WMF format")
    (description
      "libwmf is a library for reading vector images in Microsoft's native
Windows Metafile Format (WMF) and for either (a) displaying them in, e.g., an X
window; or (b) converting them to more standard/free file formats such as, e.g.,
the W3C's XML-based Scaleable Vector Graphic (SVG) format.")
    (home-page "http://wvware.sourceforge.net/libwmf.html")

    ;; 'COPYING' is the GPLv2, but file headers say LGPLv2.0+.
    (license license:lgpl2.0+)))
