;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
;;;
;;; 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 plotutils)
  #:use-module (guix licenses)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix build-system gnu)
  #:use-module (gnu packages xorg)
  #:use-module (gnu packages image)
  #:use-module (gnu packages guile)
  #:use-module (gnu packages gtk)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages))

(define-public plotutils
  (package
    (name "plotutils")
    (version "2.6")
    (source (origin
             (method url-fetch)
             (uri (string-append "mirror://gnu/plotutils/plotutils-"
                                 version ".tar.gz"))
             (sha256
              (base32
               "1arkyizn5wbgvbh53aziv3s6lmd3wm9lqzkhxb3hijlp1y124hjg"))
             (patches (list (search-patch "plotutils-libpng-jmpbuf.patch")))
             (modules '((guix build utils)))
             (snippet
              ;; Force the use of libXaw7 instead of libXaw.  When not doing
              ;; that, libplot.la ends up containing just "-lXaw" (without
              ;; "-L/path/to/Xaw"), due to the fact that there is no
              ;; libXaw.la, which forces us to propagate libXaw.
              '(substitute* "configure"
                 (("-lXaw")
                  "-lXaw7")))))
    (build-system gnu-build-system)
    (inputs `(("libpng" ,libpng)
              ("libx11" ,libx11)
              ("libxt" ,libxt)
              ("libxaw" ,libxaw)))

    (home-page
     "http://www.gnu.org/software/plotutils/")
    (synopsis "Plotting utilities and library")
    (description
     "GNU Plotutils is a package for plotting and working with 2D graphics. 
It includes a library, \"libplot\", for C and C++ for exporting 2D vector
graphics in many file formats.  It also has support for 2D vector graphics
animations.  The package also contains command-line programs for plotting
scientific data.")
    (license gpl2+)))

(define-public guile-charting
  (package
    (name "guile-charting")
    (version "0.2.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://wingolog.org/pub/guile-charting/"
                                  "guile-charting-" version ".tar.gz"))
              (sha256
               (base32
                "0w5qiyv9v0ip5li22x762bm48g8xnw281w66iyw094zdw611pb2m"))
              (modules '((guix build utils)))
              (snippet
               '(begin
                  ;; Use the standard location for modules.
                  (substitute* "Makefile.in"
                    (("godir = .*$")
                     "godir = $(moddir)\n"))))))
    (build-system gnu-build-system)
    (native-inputs `(("pkg-config" ,pkg-config)))
    (inputs `(("guile" ,guile-2.0)))
    (propagated-inputs `(("guile-cairo" ,guile-cairo)))
    (home-page "http://wingolog.org/software/guile-charting/")
    (synopsis "Create charts and graphs in Guile")
    (description
     "Guile-Charting is a Guile Scheme library to create bar charts and graphs
using the Cairo drawing library.")
    (license lgpl2.1+)))