519 lines
		
	
	
	
		
			20 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
			
		
		
	
	
			519 lines
		
	
	
	
		
			20 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2017 John Darrington <jmd@gnu.org>
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;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
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;;; Copyright © 2014 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2014 Mark H Weaver <mhw@netris.org>
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;;; Copyright © 2016 Eric Bavier <bavier@member.fsf.org>
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;;; Copyright © 2018, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
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;;; Copyright © 2018 Björn Höfling <bjoern.hoefling@bjoernhoefling.de>
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;;; Copyright © 2018 Lprndn <guix@lprndn.info>
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;;; Copyright © 2019 Efraim Flashner <efraim@flashner.co.il>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu packages image-processing)
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  #:use-module ((guix licenses) #:prefix license:)
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  #:use-module (guix packages)
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  #:use-module (guix utils)
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						||
  #:use-module (guix download)
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  #:use-module (guix git-download)
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  #:use-module (guix build-system cmake)
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  #:use-module (guix build-system gnu)
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  #:use-module (gnu packages)
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  #:use-module (gnu packages algebra)
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  #:use-module (gnu packages bison)
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  #:use-module (gnu packages boost)
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  #:use-module (gnu packages compression)
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  #:use-module (gnu packages documentation)
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  #:use-module (gnu packages flex)
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  #:use-module (gnu packages fontutils)
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  #:use-module (gnu packages ghostscript)
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						||
  #:use-module (gnu packages gl)
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						||
  #:use-module (gnu packages glib)
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						||
  #:use-module (gnu packages gnome)
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						||
  #:use-module (gnu packages graphics)
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  #:use-module (gnu packages graphviz)
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  #:use-module (gnu packages gstreamer)
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						||
  #:use-module (gnu packages gtk)
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						||
  #:use-module (gnu packages image)
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  #:use-module (gnu packages imagemagick)
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  #:use-module (gnu packages maths)
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  #:use-module (gnu packages pdf)
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  #:use-module (gnu packages perl)
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  #:use-module (gnu packages photo)
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  #:use-module (gnu packages pkg-config)
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  #:use-module (gnu packages protobuf)
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						||
  #:use-module (gnu packages python)
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						||
  #:use-module (gnu packages python-xyz)
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  #:use-module (gnu packages serialization)
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  #:use-module (gnu packages tls)
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  #:use-module (gnu packages video)
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  #:use-module (gnu packages xiph)
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  #:use-module (gnu packages xml)
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  #:use-module (gnu packages xorg)
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  #:use-module (ice-9 match))
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(define-public dcmtk
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  (package
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    (name "dcmtk")
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    (version "3.6.4")
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    (source
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     (origin
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       (method url-fetch)
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       (uri
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        (string-append "ftp://dicom.offis.de/pub/dicom/offis/software/dcmtk/"
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                       "dcmtk" (string-join (string-split version #\.) "")
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                       "/dcmtk-" version ".tar.gz"))
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       (sha256
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        (base32 "1h22z8g0kmvhg8lgkbikyzyphhvxvq6018a00yd6i4g0z9ag6gx9"))))
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    (build-system cmake-build-system)
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    (inputs
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     `(;; Our ICU is too recent: “error: ‘UChar’ does not name a type“.
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       ;; ("icu4c" ,icu4c)
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       ("libjpeg" ,libjpeg)
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       ("libpng" ,libpng)
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       ("libtiff" ,libtiff)
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       ("libxml2" ,libxml2)
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       ("openssl" ,openssl)
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       ("zlib" ,zlib)))
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    (native-inputs
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     `(("doxygen" ,doxygen)))           ; for HTML documentation
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    (home-page "https://dcmtk.org")
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    (synopsis "Libraries and programs implementing parts of the DICOM standard")
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    (description "DCMTK is a collection of libraries and applications
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implementing large parts the DICOM standard.  It includes software for
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examining, constructing and converting DICOM image files, handling offline
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media, sending and receiving images over a network connection, as well as
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demonstrative image storage and worklist servers.")
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    (license (license:fsf-free
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              "file://COPYRIGHT"
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              "A union of the Apache 2.0 licence and various non-copyleft
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licences similar to the Modified BSD licence."))))
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(define-public mia
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  (package
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    (name "mia")
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    (version "2.4.6")
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    (source (origin
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              (method url-fetch)
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              (uri (string-append "mirror://sourceforge/mia/mia/"
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                                  (version-major+minor version)
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                                  "/mia-" version ".tar.xz"))
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              (sha256
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               (base32
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                "0j4nd5z7i3v199jh7hqqhwd4g7snchizkc7rhzanpvngqg91m1pb"))))
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    (build-system cmake-build-system)
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    (arguments
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     `(#:configure-flags
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       (list "-DMIA_CREATE_NIPYPE_INTERFACES=0"
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             "-DCMAKE_CXX_FLAGS=-fpermissive")))
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    (inputs
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     `(("boost" ,boost)
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       ("dcmtk" ,dcmtk)
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       ("doxygen" ,doxygen)
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       ("eigen" ,eigen)
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       ("fftw" ,fftw)
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       ("fftwf" ,fftwf)
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       ("gsl" ,gsl)
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       ("gts" ,gts)
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       ("hdf5" ,hdf5)
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       ("itpp" ,itpp)
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       ("libjpeg" ,libjpeg)
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       ("libpng" ,libpng)
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       ("libtiff" ,libtiff)
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       ("libxml" ,libxml2)
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       ("libxml++" ,libxml++)
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       ("maxflow" ,maxflow)
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       ("niftilib" ,niftilib)
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       ("nlopt" ,nlopt)
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       ("openexr" ,openexr)
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       ("python-lxml" ,python2-lxml)
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       ("vtk" ,vtk)))
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    (native-inputs
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     `(("pkg-config" ,pkg-config)
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       ("python" ,python-2)))
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    (home-page "http://mia.sourceforge.net")
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    (synopsis "Toolkit for gray scale medical image analysis")
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    (description "MIA provides a combination of command line tools, plug-ins,
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and libraries that make it possible run image processing tasks interactively
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in a command shell and to prototype using the shell's scripting language.  It
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is built around a plug-in structure that makes it easy to add functionality
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without compromising the original code base and it makes use of a wide variety
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of external libraries that provide additional functionality.")
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    (license license:gpl3+)))
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(define-public vtk
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  (package
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    (name "vtk")
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    (version "8.2.0")
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    (source (origin
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              (method url-fetch)
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              (uri (string-append "https://vtk.org/files/release/"
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                                  (version-major+minor version)
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                                  "/VTK-" version ".tar.gz"))
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              (sha256
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               (base32
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                "1fspgp8k0myr6p2a6wkc21ldcswb4bvmb484m12mxgk1a9vxrhrl"))))
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    (build-system cmake-build-system)
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    (arguments
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     '(#:build-type "Release"           ;Build without '-g' to save space.
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       ;; -DVTK_USE_SYSTEM_NETCDF:BOOL=TRUE requires netcdf_cxx
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       #:configure-flags '("-DVTK_USE_SYSTEM_EXPAT:BOOL=TRUE"
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                           "-DVTK_USE_SYSTEM_FREETYPE:BOOL=TRUE"
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                           "-DVTK_USE_SYSTEM_HDF5:BOOL=TRUE"
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                           "-DVTK_USE_SYSTEM_JPEG:BOOL=TRUE"
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                           "-DVTK_USE_SYSTEM_JSONCPP:BOOL=TRUE"
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                           "-DVTK_USE_SYSTEM_LIBXML2:BOOL=TRUE"
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                           "-DVTK_USE_SYSTEM_OGGTHEORA:BOOL=TRUE"
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                           "-DVTK_USE_SYSTEM_PNG:BOOL=TRUE"
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                           "-DVTK_USE_SYSTEM_TIFF:BOOL=TRUE"
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                           "-DVTK_USE_SYSTEM_ZLIB:BOOL=TRUE")
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       #:tests? #f))                              ;XXX: no "test" target
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    (inputs
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     `(("libXt" ,libxt)
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       ("xorgproto" ,xorgproto)
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       ("libX11" ,libx11)
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       ("libxml2" ,libxml2)
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       ("mesa" ,mesa)
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       ("glu" ,glu)
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       ("expat" ,expat)
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       ("freetype" ,freetype)
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       ("hdf5" ,hdf5)
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       ("jpeg" ,libjpeg)
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       ("jsoncpp" ,jsoncpp)
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       ("libogg" ,libogg)
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       ("libtheora" ,libtheora)
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       ("png" ,libpng)
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       ("tiff" ,libtiff)
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       ("zlib" ,zlib)))
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    (home-page "https://vtk.org/")
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    (synopsis "Libraries for 3D computer graphics")
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    (description
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     "The Visualization Toolkit (VTK) is a C++ library for 3D computer graphics,
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image processing and visualization.  It supports a wide variety of
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visualization algorithms including: scalar, vector, tensor, texture, and
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volumetric methods; and advanced modeling techniques such as: implicit
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modeling, polygon reduction, mesh smoothing, cutting, contouring, and Delaunay
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triangulation.  VTK has an extensive information visualization framework, has
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a suite of 3D interaction widgets, supports parallel processing, and
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integrates with various databases on GUI toolkits such as Qt and Tk.")
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    (license license:bsd-3)))
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(define-public opencv
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  (package
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    (name "opencv")
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    (version "3.4.3")
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    (source (origin
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              (method git-fetch)
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              (uri (git-reference
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                     (url "https://github.com/opencv/opencv")
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                     (commit version)))
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              (file-name (git-file-name name version))
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              (sha256
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               (base32
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                "06bc61r8myym4s8im10brdjfg4wxkrvsbhhl7vr1msdan2xddzi3"))
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              (modules '((guix build utils)))
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              (snippet
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               '(begin
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                  ;; Remove external libraries. We have all available in Guix:
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                  (delete-file-recursively "3rdparty")
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                  ;; Milky icon set is non-free:
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                  (delete-file-recursively "modules/highgui/src/files_Qt/Milky")
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                  ;; Some jars found:
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                  (for-each delete-file
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                            '("modules/java/test/pure_test/lib/junit-4.11.jar"
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                              "samples/java/sbt/sbt/sbt-launch.jar"))
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                  #t))))
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    (build-system cmake-build-system)
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    (arguments
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     `(#:configure-flags
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       (list "-DWITH_IPP=OFF"
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             "-DWITH_ITT=OFF"
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             "-DWITH_CAROTENE=OFF" ; only visible on arm/aarch64
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             "-DENABLE_PRECOMPILED_HEADERS=OFF"
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             ;; CPU-Features:
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             ;; See cmake/OpenCVCompilerOptimizations.cmake
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             ;; (CPU_ALL_OPTIMIZATIONS) for a list of all optimizations
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             ;; BASELINE is the minimum optimization all CPUs must support
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             ;;
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             ;; DISPATCH is the list of optional dispatches.
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             "-DCPU_BASELINE=SSE2"
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             ,@(match (%current-system)
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                 ("x86_64-linux"
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                  '("-DCPU_DISPATCH=NEON;VFPV3;FP16;SSE;SSE2;SSE3;SSSE3;SSE4_1;SSE4_2;POPCNT;AVX;FP16;AVX2;FMA3;AVX_512F;AVX512_SKX"
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                    "-DCPU_DISPATCH_REQUIRE=SSE3,SSSE3,SSE4_1,SSE4_2,AVX,AVX2"))
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                 ("armhf-linux"
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                  '("-DCPU_BASELINE_DISABLE=NEON")) ; causes build failures
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                 ("aarch64-linux"
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                  '("-DCPU_BASELINE=NEON"
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                    "-DCPU_DISPATCH=NEON;VFPV3;FP16"))
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                 (_ '()))
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             "-DBUILD_PERF_TESTS=OFF"
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             "-DBUILD_TESTS=ON"
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             (string-append "-DOPENCV_EXTRA_MODULES_PATH=" (getcwd)
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                            "/opencv-contrib/modules")
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             ;;Define test data:
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             (string-append "-DOPENCV_TEST_DATA_PATH=" (getcwd)
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                            "/opencv-extra/testdata")
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             ;; Is ON by default and would try to rebuild 3rd-party protobuf,
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             ;; which we had removed, which would lead to an error:
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             "-DBUILD_PROTOBUF=OFF"
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             ;; Rebuild protobuf files, because we have a slightly different
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             ;; version than the included one. If we would not update, we
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             ;; would get a compile error later:
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             "-DPROTOBUF_UPDATE_FILES=ON"
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             ;; xfeatures2d disabled, because it downloads extra binaries from
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             ;; https://github.com/opencv/opencv_3rdparty
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             ;; defined in xfeatures2d/cmake/download_{vgg|bootdesc}.cmake
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             ;; Cmp this bug entry:
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             ;; https://github.com/opencv/opencv_contrib/issues/1131
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             "-DBUILD_opencv_xfeatures2d=OFF")
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       #:phases
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       (modify-phases %standard-phases
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         (add-after 'unpack 'disable-broken-tests
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           (lambda _
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             ;; These tests fails with:
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             ;; vtkXOpenGLRenderWindow (0x723990): Could not find a decent config
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             ;; I think we have no OpenGL support with the Xvfb.
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             (substitute* '("modules/viz/test/test_tutorial3.cpp"
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                            "modules/viz/test/test_main.cpp"
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                            "modules/viz/test/tests_simple.cpp"
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                            "modules/viz/test/test_viz3d.cpp")
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               (("(TEST\\(Viz, )([a-z].*\\).*)" all pre post)
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                (string-append pre "DISABLED_" post)))
 | 
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						||
             ;; This one fails with "unknown file: Failure"
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						||
             ;; But I couldn't figure out which file was missing:
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             (substitute* "../opencv-contrib/modules/face/test/test_face_align.cpp"
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               (("(TEST\\(CV_Face_FacemarkKazemi, )(can_detect_landmarks\\).*)"
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                 all pre post)
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                (string-append pre "DISABLED_" post)))
 | 
						||
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						||
             ;; Failure reason: Bad accuracy
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						||
             ;; Incorrect count of accurate poses [2nd case]: 90.000000 / 94.000000
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             (substitute* "../opencv-contrib/modules/rgbd/test/test_odometry.cpp"
 | 
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               (("(TEST\\(RGBD_Odometry_Rgbd, )(algorithmic\\).*)" all pre post)
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                (string-append pre "DISABLED_" post)))
 | 
						||
             #t))
 | 
						||
 | 
						||
         (add-after 'unpack 'unpack-submodule-sources
 | 
						||
           (lambda* (#:key inputs #:allow-other-keys)
 | 
						||
             (mkdir "../opencv-extra")
 | 
						||
             (mkdir "../opencv-contrib")
 | 
						||
             (copy-recursively (assoc-ref inputs "opencv-extra")
 | 
						||
                               "../opencv-extra")
 | 
						||
             (invoke "tar" "xvf"
 | 
						||
                     (assoc-ref inputs "opencv-contrib")
 | 
						||
                     "--strip-components=1"
 | 
						||
                     "-C" "../opencv-contrib")))
 | 
						||
 | 
						||
         (add-after 'set-paths 'add-ilmbase-include-path
 | 
						||
           (lambda* (#:key inputs #:allow-other-keys)
 | 
						||
           ;; OpenEXR propagates ilmbase, but its include files do not appear
 | 
						||
           ;; in the CPATH, so we need to add "$ilmbase/include/OpenEXR/" to
 | 
						||
           ;; the CPATH to satisfy the dependency on "ImathVec.h".
 | 
						||
           (setenv "CPATH"
 | 
						||
                   (string-append (assoc-ref inputs "ilmbase")
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						||
                                  "/include/OpenEXR"
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						||
                                  ":" (or (getenv "CPATH") "")))
 | 
						||
           #t))
 | 
						||
       (add-before 'check 'start-xserver
 | 
						||
         (lambda* (#:key inputs #:allow-other-keys)
 | 
						||
           (let ((xorg-server (assoc-ref inputs "xorg-server"))
 | 
						||
                 (disp ":1"))
 | 
						||
             (setenv "HOME" (getcwd))
 | 
						||
             (setenv "DISPLAY" disp)
 | 
						||
             ;; There must be a running X server and make check doesn't start one.
 | 
						||
             ;; Therefore we must do it.
 | 
						||
             (zero? (system (format #f "~a/bin/Xvfb ~a &" xorg-server disp)))))))))
 | 
						||
    (native-inputs
 | 
						||
     `(("pkg-config" ,pkg-config)
 | 
						||
       ("xorg-server" ,xorg-server) ; For running the tests
 | 
						||
       ("opencv-extra"
 | 
						||
        ,(origin
 | 
						||
           (method git-fetch)
 | 
						||
           (uri (git-reference
 | 
						||
                  (url "https://github.com/opencv/opencv_extra")
 | 
						||
                  (commit version)))
 | 
						||
           (file-name (git-file-name "opencv_extra" version))
 | 
						||
           (sha256
 | 
						||
            (base32 "08p5xnq8n1jw8svvz0fnirfg7q8dm3p4a5dl7527s5xj0f9qn7lp"))))
 | 
						||
       ("opencv-contrib"
 | 
						||
        ,(origin
 | 
						||
           (method git-fetch)
 | 
						||
           (uri (git-reference
 | 
						||
                  (url "https://github.com/opencv/opencv_contrib")
 | 
						||
                  (commit version)))
 | 
						||
           (file-name (git-file-name "opencv_contrib" version))
 | 
						||
           (patches (search-patches "opencv-rgbd-aarch64-test-fix.patch"))
 | 
						||
           (sha256
 | 
						||
            (base32 "1f334glf39nk42mpqq6j732h3ql2mpz89jd4mcl678s8n73nfjh2"))))))
 | 
						||
    (inputs `(("libjpeg" ,libjpeg)
 | 
						||
              ("libpng" ,libpng)
 | 
						||
              ("jasper" ,jasper)
 | 
						||
              ;; ffmpeg 4.0 causes core dumps in tests.
 | 
						||
              ("ffmpeg" ,ffmpeg-3.4)
 | 
						||
              ("libtiff" ,libtiff)
 | 
						||
              ("hdf5" ,hdf5)
 | 
						||
              ("libgphoto2" ,libgphoto2)
 | 
						||
              ("libwebp" ,libwebp)
 | 
						||
              ("zlib" ,zlib)
 | 
						||
              ("gtkglext" ,gtkglext)
 | 
						||
              ("openexr" ,openexr)
 | 
						||
              ("ilmbase" ,ilmbase)
 | 
						||
              ("gtk+" ,gtk+-2)
 | 
						||
              ("python-numpy" ,python-numpy)
 | 
						||
              ("protobuf" ,protobuf)
 | 
						||
              ("vtk" ,vtk)
 | 
						||
              ("python" ,python)))
 | 
						||
    ;; These three CVEs are not a problem of OpenCV, see:
 | 
						||
    ;; https://github.com/opencv/opencv/issues/10998
 | 
						||
    (properties '((lint-hidden-cve . ("CVE-2018-7712"
 | 
						||
                                      "CVE-2018-7713"
 | 
						||
                                      "CVE-2018-7714"))))
 | 
						||
    (synopsis "Computer vision library")
 | 
						||
    (description "OpenCV is a library aimed at
 | 
						||
real-time computer vision, including several hundred computer
 | 
						||
vision algorithms.  It can be used to do things like:
 | 
						||
 | 
						||
@itemize
 | 
						||
@item image and video input and output
 | 
						||
@item image and video processing
 | 
						||
@item displaying
 | 
						||
@item feature recognition
 | 
						||
@item segmentation
 | 
						||
@item facial recognition
 | 
						||
@item stereo vision
 | 
						||
@item structure from motion
 | 
						||
@item augmented reality
 | 
						||
@item machine learning
 | 
						||
@end itemize\n")
 | 
						||
    (home-page "https://opencv.org/")
 | 
						||
    (license license:bsd-3)))
 | 
						||
 | 
						||
(define-public vips
 | 
						||
  (package
 | 
						||
    (name "vips")
 | 
						||
    (version "8.7.4")
 | 
						||
    (source
 | 
						||
     (origin
 | 
						||
       (method url-fetch)
 | 
						||
       (uri (string-append
 | 
						||
             "https://github.com/libvips/libvips/releases/download/v"
 | 
						||
             version "/vips-" version ".tar.gz"))
 | 
						||
       (sha256
 | 
						||
        (base32 "01gjhcrl6zj7mcj1al717v5jsniahplqhz1xkfh2j78vyfl1hxff"))))
 | 
						||
    (build-system gnu-build-system)
 | 
						||
    (native-inputs
 | 
						||
     `(("pkg-config" ,pkg-config)
 | 
						||
       ("gobject-introspection" ,gobject-introspection)))
 | 
						||
    (inputs
 | 
						||
     `(("glib" ,glib)
 | 
						||
       ("libjpeg" ,libjpeg)
 | 
						||
       ("libpng" ,libpng)
 | 
						||
       ("librsvg" ,librsvg)
 | 
						||
       ("libtiff" ,libtiff)
 | 
						||
       ("libexif" ,libexif)
 | 
						||
       ("giflib" ,giflib)
 | 
						||
       ("libgsf" ,libgsf)
 | 
						||
       ("fftw" ,fftw)
 | 
						||
       ("poppler" ,poppler)
 | 
						||
       ("pango" ,pango)
 | 
						||
       ("lcms" ,lcms)
 | 
						||
       ("matio" ,matio)
 | 
						||
       ("libwebp" ,libwebp)
 | 
						||
       ("niftilib" ,niftilib)
 | 
						||
       ("openexr" ,openexr)
 | 
						||
       ("orc" ,orc)
 | 
						||
       ("imagemagick" ,imagemagick)
 | 
						||
       ("libxml2" ,libxml2)
 | 
						||
       ("expat" ,expat)
 | 
						||
       ("hdf5" ,hdf5)))
 | 
						||
    (home-page "https://libvips.github.io/libvips/")
 | 
						||
    (synopsis "Multithreaded image processing system with low memory needs")
 | 
						||
    (description
 | 
						||
     "VIPS is a demand-driven, horizontally threaded image processing library.
 | 
						||
It's particularly good at processing large images, working with colour,
 | 
						||
scientific analysis, and general research & development.
 | 
						||
 | 
						||
Compared to most image processing libraries VIPS needs little RAM and runs
 | 
						||
quickly, especially on machines with more than one CPU core.  This is primarily
 | 
						||
due to its architecture which automatically parallelises the image workflows.")
 | 
						||
    (license license:lgpl2.1+)))
 | 
						||
 | 
						||
(define-public nip2
 | 
						||
  (package
 | 
						||
    (name "nip2")
 | 
						||
    (version "8.7.1")
 | 
						||
    (source
 | 
						||
     (origin
 | 
						||
       (method url-fetch)
 | 
						||
       (uri (string-append "https://github.com/libvips/nip2/releases/download/v"
 | 
						||
                           version "/nip2-" version ".tar.gz" ))
 | 
						||
       (sha256
 | 
						||
        (base32 "0l7n427njif53npqn02gfjjly8y3khbrkzqxp10j5vp9h97psgiw"))))
 | 
						||
    (build-system gnu-build-system)
 | 
						||
    (arguments
 | 
						||
     `(#:phases
 | 
						||
       (modify-phases %standard-phases
 | 
						||
         ;; test_conv.ws keep failing so disabling for now.
 | 
						||
         (add-after 'unpack 'disable-test-conv
 | 
						||
           (lambda _
 | 
						||
             (delete-file "test/workspaces/test_conv.ws")
 | 
						||
             #t))
 | 
						||
         (add-before 'check 'set-home
 | 
						||
           (lambda _
 | 
						||
             (setenv "HOME" "/tmp") #t)))))
 | 
						||
    (inputs
 | 
						||
     `(("vips" ,vips)
 | 
						||
       ("glib" ,glib)
 | 
						||
       ("libtiff" ,libtiff)
 | 
						||
       ("gtk+-2" ,gtk+-2)
 | 
						||
       ("libxml2" ,libxml2)
 | 
						||
       ("libexif" ,libexif)
 | 
						||
       ("libjpeg" ,libjpeg)             ; required by vips.pc
 | 
						||
       ("librsvg" ,librsvg)
 | 
						||
       ("fftw" ,fftw)
 | 
						||
       ("libgsf" ,libgsf)
 | 
						||
       ("imagemagick" ,imagemagick)
 | 
						||
       ("orc" ,orc)
 | 
						||
       ("matio" ,matio)
 | 
						||
       ("lcms" ,lcms)
 | 
						||
       ("libwebp" ,libwebp)
 | 
						||
       ("openexr" ,openexr)
 | 
						||
       ("poppler" ,poppler)
 | 
						||
       ("gsl" ,gsl)))
 | 
						||
    (native-inputs
 | 
						||
     `(("flex" ,flex)
 | 
						||
       ("bison" ,bison)
 | 
						||
       ("pkg-config" ,pkg-config)))
 | 
						||
    (home-page "https://github.com/libvips/nip2")
 | 
						||
    (synopsis "Spreadsheet-like GUI for libvips")
 | 
						||
    (description "This package provide a graphical user interface (GUI) for
 | 
						||
the VIPS image processing library.  It's a little like a spreadsheet: you
 | 
						||
create a set of formula connecting your objects together, and on a change nip2
 | 
						||
recalculates.")
 | 
						||
    (license license:gpl2+)))
 |