summary refs log tree commit diff
path: root/gnu/packages/graphics.scm
blob: f84cc27836a0dcafe3eb40273f193fc3e77321ca (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015, 2016 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Tomáš Čech <sleep_walker@gnu.org>
;;; Copyright © 2016 Leo Famulari <leo@famulari.name>
;;; Copyright © 2016, 2017 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2016 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2017 Manolis Fragkiskos Ragkousis <manolis837@gmail.com>
;;;
;;; 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 graphics)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module (guix packages)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system cmake)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (gnu packages)
  #:use-module (gnu packages algebra)
  #:use-module (gnu packages audio)
  #:use-module (gnu packages autotools)
  #:use-module (gnu packages bash)
  #:use-module (gnu packages bison)
  #:use-module (gnu packages boost)
  #:use-module (gnu packages check)
  #:use-module (gnu packages documentation)
  #:use-module (gnu packages haskell)
  #:use-module (gnu packages image)
  #:use-module (gnu packages python)
  #:use-module (gnu packages flex)
  #:use-module (gnu packages fonts)
  #:use-module (gnu packages fontutils)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages pulseaudio)  ;libsndfile, libsamplerate
  #:use-module (gnu packages compression)
  #:use-module (gnu packages multiprecision)
  #:use-module (gnu packages boost)
  #:use-module (gnu packages gl)
  #:use-module (gnu packages glib)
  #:use-module (gnu packages graphviz)
  #:use-module (gnu packages gtk)
  #:use-module (gnu packages gnome)
  #:use-module (gnu packages image)
  #:use-module (gnu packages jemalloc)
  #:use-module (gnu packages photo)
  #:use-module (gnu packages pth)
  #:use-module (gnu packages python)
  #:use-module (gnu packages qt)
  #:use-module (gnu packages readline)
  #:use-module (gnu packages sdl)
  #:use-module (gnu packages swig)
  #:use-module (gnu packages video)
  #:use-module (gnu packages xml)
  #:use-module (gnu packages xorg))

(define-public blender
  (package
    (name "blender")
    (version "2.78a")
    (source (origin
              (method url-fetch)
              (uri (string-append "http://download.blender.org/source/"
                                  "blender-" version ".tar.gz"))
              (sha256
               (base32
                "1byf1klrvm8fdw2libx7wldz2i6lblp9nih6y58ydh00paqi8jh1"))))
    (build-system cmake-build-system)
    (arguments
     `(;; Test files are very large and not included in the release tarball.
       #:tests? #f
       #:configure-flags
       (list "-DWITH_CODEC_FFMPEG=ON"
             "-DWITH_CODEC_SNDFILE=ON"
             "-DWITH_CYCLES=ON"
             "-DWITH_DOC_MANPAGE=ON"
             "-DWITH_FFTW3=ON"
             "-DWITH_GAMEENGINE=ON"
             "-DWITH_IMAGE_OPENJPEG=ON"
             "-DWITH_INPUT_NDOF=ON"
             "-DWITH_INSTALL_PORTABLE=OFF"
             "-DWITH_JACK=ON"
             "-DWITH_MOD_OCEANSIM=ON"
             "-DWITH_PLAYER=ON"
             "-DWITH_PYTHON_INSTALL=OFF"
             "-DWITH_SYSTEM_OPENJPEG=ON")
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'fix-broken-import
           (lambda _
             (substitute* "release/scripts/addons/io_scene_fbx/json2fbx.py"
               (("import encode_bin") "from . import encode_bin"))
             #t))
         (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 "half.h".
             (setenv "CPATH"
                     (string-append (assoc-ref inputs "ilmbase")
                                    "/include/OpenEXR"
                                    ":" (or (getenv "CPATH") "")))
             #t)))))
    (inputs
     `(("boost" ,boost)
       ("jemalloc" ,jemalloc)
       ("libx11" ,libx11)
       ("openimageio" ,openimageio)
       ("openexr" ,openexr)
       ("ilmbase" ,ilmbase)
       ("openjpeg" ,openjpeg-1)
       ("libjpeg" ,libjpeg)
       ("libpng" ,libpng)
       ("libtiff" ,libtiff)
       ("ffmpeg-2.8" ,ffmpeg-2.8) ;<https://lists.gnu.org/archive/html/guix-devel/2016-04/msg01019.html>
       ("fftw" ,fftw)
       ("jack" ,jack-1)
       ("libsndfile" ,libsndfile)
       ("freetype" ,freetype)
       ("glew" ,glew)
       ("openal" ,openal)
       ("python" ,python-wrapper)
       ("zlib" ,zlib)))
    (home-page "http://blender.org/")
    (synopsis "3D graphics creation suite")
    (description
     "Blender is a 3D graphics creation suite.  It supports the entirety of
the 3D pipeline—modeling, rigging, animation, simulation, rendering,
compositing and motion tracking, even video editing and game creation.  The
application can be customized via its API for Python scripting.")
    (license license:gpl2+)))

(define-public assimp
  (package
    (name "assimp")
    (version "3.3.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://github.com/assimp/assimp/archive/v"
                                  version ".tar.gz"))
              (file-name (string-append name "-" version ".tar.gz"))
              (sha256
               (base32
                "1gy7zlgkf4nmyv8n674p3f30asis0gjz8icyy11i693n13ww71fk"))))
    (build-system cmake-build-system)
    (inputs
     `(("zlib" ,zlib)))
    (home-page "http://assimp.org/")
    (synopsis "Asset import library")
    (description
     "The Open Asset Import Library loads more than 40 3D file formats into
one unified data structure.  Additionally, assimp features various mesh post
processing tools: normals and tangent space generation, triangulation, vertex
cache locality optimization, removal of degenerate primitives and duplicate
vertices, sorting by primitive type, merging of redundant materials and many
more.")
    (license license:bsd-3)))

(define-public cgal
  (package
    (name "cgal")
    (version "4.8.1")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "https://github.com/CGAL/cgal/releases/download/releases/"
                    "CGAL-" version "/CGAL-" version ".tar.xz"))
              (sha256
               (base32
                "1c41yzl2jg3d6zx5k0iccwqwibp950q7dr7z7pp4xi9wlph3c87s"))))
    (build-system cmake-build-system)
    (arguments
     '(;; "RelWithDebInfo" is not supported.
       #:build-type "Release"

       ;; No 'test' target.
       #:tests? #f))
    (inputs
     `(("mpfr" ,mpfr)
       ("gmp" ,gmp)
       ("boost" ,boost)))
    (home-page "http://cgal.org/")
    (synopsis "Computational geometry algorithms library")
    (description
     "CGAL provides easy access to efficient and reliable geometric algorithms
in the form of a C++ library.  CGAL is used in various areas needing geometric
computation, such as: computer graphics, scientific visualization, computer
aided design and modeling, geographic information systems, molecular biology,
medical imaging, robotics and motion planning, mesh generation, numerical
methods, etc.  It provides data structures and algorithms such as
triangulations, Voronoi diagrams, polygons, polyhedra, mesh generation, and
many more.")

    ;; The 'LICENSE' file explains that a subset is available under more
    ;; permissive licenses.
    (license license:gpl3+)))

(define-public ilmbase
  (package
    (name "ilmbase")
    (version "2.2.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://savannah/openexr/ilmbase-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "1izddjwbh1grs8080vmaix72z469qy29wrvkphgmqmcm0sv1by7c"))
              (patches (search-patches "ilmbase-fix-tests.patch"))))
    (build-system gnu-build-system)
    (home-page "http://www.openexr.com/")
    (synopsis "Utility C++ libraries for threads, maths, and exceptions")
    (description
     "IlmBase provides several utility libraries for C++.  Half is a class
that encapsulates ILM's 16-bit floating-point format.  IlmThread is a thread
abstraction.  Imath implements 2D and 3D vectors, 3x3 and 4x4 matrices,
quaternions and other useful 2D and 3D math functions.  Iex is an
exception-handling library.")
    (license license:bsd-3)))

(define-public ogre
  (package
    (name "ogre")
    (version "1.10.7")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "https://github.com/OGRECave/" name
                           "/archive/v" version ".tar.gz"))
       (sha256
        (base32
         "1ab354bmwwryxr4zgxchfkm6h4z38mjgif8yn89x640rsrgw5ipj"))
       (file-name (string-append name "-" version ".tar.gz"))))
    (build-system cmake-build-system)
    (arguments
     '(#:phases
       (modify-phases %standard-phases
         (add-before 'configure 'pre-configure
           (lambda _
             ;; It expects googletest source to be downloaded and
             ;; be in a specific place.
             (substitute* "Tests/CMakeLists.txt"
               (("URL(.*)$" _ suffix)
                (string-append "URL " suffix
                               "\t\tURL_HASH "
                               "MD5=16877098823401d1bf2ed7891d7dce36\n")))
             #t))
         (add-before 'build 'pre-build
           (lambda* (#:key inputs #:allow-other-keys)
             (copy-file (assoc-ref inputs "googletest-source")
                        (string-append (getcwd)
                                       "/Tests/googletest-prefix/src/"
                                       "release-1.8.0.tar.gz"))
             #t)))
       #:configure-flags
       (list "-DOGRE_BUILD_TESTS=TRUE"
             (string-append "-DCMAKE_INSTALL_RPATH="
                            (assoc-ref %outputs "out") "/lib:"
                            (assoc-ref %outputs "out") "/lib/OGRE:"
                            (assoc-ref %build-inputs "googletest") "/lib")
             "-DOGRE_INSTALL_DOCS=TRUE"
             "-DOGRE_INSTALL_SAMPLES=TRUE"
             "-DOGRE_INSTALL_SAMPLES_SOURCE=TRUE")))
    (native-inputs
     `(("boost" ,boost)
       ("doxygen" ,doxygen)
       ("googletest-source" ,(package-source googletest))
       ("pkg-config" ,pkg-config)))
    (inputs
     `(("font-dejavu" ,font-dejavu)
       ("freeimage" ,freeimage)
       ("freetype" ,freetype)
       ("glu" ,glu)
       ("googletest" ,googletest)
       ("sdl2" ,sdl2)
       ("libxaw" ,libxaw)
       ("libxrandr" ,libxrandr)
       ("tinyxml" ,tinyxml)
       ("zziplib" ,zziplib)))
    (synopsis "Scene-oriented, flexible 3D engine written in C++")
    (description
     "OGRE (Object-Oriented Graphics Rendering Engine) is a scene-oriented,
flexible 3D engine written in C++ designed to make it easier and more intuitive
for developers to produce applications utilising hardware-accelerated 3D
graphics.")
    (home-page "http://www.ogre3d.org/")
    (license license:expat)))

(define-public openexr
  (package
    (name "openexr")
    (version "2.2.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://savannah/openexr/openexr-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "0ca2j526n4wlamrxb85y2jrgcv0gf21b3a19rr0gh4rjqkv1581n"))
              (modules '((guix build utils)))
              (snippet
               '(begin
                  (substitute* (find-files "." "tmpDir\\.h")
                    (("\"/var/tmp/\"")
                     "\"/tmp/\""))

                  ;; Install 'ImfStdIO.h'.  Reported at
                  ;; <https://lists.nongnu.org/archive/html/openexr-devel/2016-06/msg00001.html>
                  ;; and <https://github.com/openexr/openexr/pull/184>.
                  (substitute* "IlmImf/Makefile.in"
                    (("ImfIO\\.h")
                     "ImfIO.h ImfStdIO.h"))))
              (patches (search-patches "openexr-missing-samples.patch"))))
    (build-system gnu-build-system)
    (arguments
     '(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'disable-broken-test
           ;; This test fails on i686. Upstream developers suggest that
           ;; this test is broken on i686 and can be safely disabled:
           ;; https://github.com/openexr/openexr/issues/67#issuecomment-21169748
           (lambda _
             (substitute* "IlmImfTest/main.cpp"
               (("#include \"testOptimizedInterleavePatterns.h\"")
                 "//#include \"testOptimizedInterleavePatterns.h\"")
               (("TEST \\(testOptimizedInterleavePatterns")
                 "//TEST (testOptimizedInterleavePatterns"))
             #t)))))
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (propagated-inputs
     `(("ilmbase" ,ilmbase)                       ;used in public headers
       ("zlib" ,zlib)))                           ;OpenEXR.pc reads "-lz"
    (home-page "http://www.openexr.com")
    (synopsis "High-dynamic range file format library")
    (description
     "OpenEXR is a high dynamic-range (HDR) image file format developed for
use in computer imaging applications.  The IlmImf C++ libraries support
storage of the \"EXR\" file format for storing 16-bit floating-point images.")
    (license license:bsd-3)))

(define-public openimageio
  (package
    (name "openimageio")
    (version "1.6.15")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://github.com/OpenImageIO/oiio/"
                                  "archive/Release-" version ".tar.gz"))
              (file-name (string-append name "-" version ".tar.gz"))
              (sha256
               (base32
                "144crq0205d0w5aq4iglh2rhzf54a8rv3pksy6d533b75w5d7rq7"))))
    (build-system cmake-build-system)
    ;; FIXME: To run all tests successfully, test image sets from multiple
    ;; third party sources have to be present.  For details see
    ;; https://github.com/OpenImageIO/oiio/blob/master/INSTALL
    (arguments `(#:tests? #f))
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (inputs
     `(("boost" ,boost)
       ("libpng" ,libpng)
       ("libjpeg" ,libjpeg-8)
       ("libtiff" ,libtiff)
       ("giflib" ,giflib)
       ("openexr" ,openexr)
       ("ilmbase" ,ilmbase)
       ("python" ,python-2)
       ("zlib" ,zlib)))
    (synopsis "C++ library for reading and writing images")
    (description
     "OpenImageIO is a library for reading and writing images, and a bunch of
related classes, utilities, and applications.  There is a particular emphasis
on formats and functionality used in professional, large-scale animation and
visual effects work for film.")
    (home-page "http://www.openimageio.org")
    (license license:bsd-3)))

(define-public openscenegraph
  (package
    (name "openscenegraph")
    (version "3.4.0")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "http://trac.openscenegraph.org/downloads/developer_releases/"
                           "OpenSceneGraph-" version ".zip"))
       (sha256
        (base32
         "03h4wfqqk7rf3mpz0sa99gy715cwpala7964z2npd8jxfn27swjw"))
       (patches (search-patches "openscenegraph-ffmpeg3.patch"))
       (file-name (string-append name "-" version ".zip"))))
    (build-system cmake-build-system)
    (arguments
     `(#:tests? #f ;; No test target available.
       #:configure-flags
       (list (string-append "-DCMAKE_INSTALL_RPATH="
                            (assoc-ref %outputs "out") "/lib:"
                            (assoc-ref %outputs "out") "/lib64")
             ;; We need to set this flag or otherwise 'rd' will be added
             ;; to the name of the library binaries and break linking
             ;; with other programs.
             "-DCMAKE_BUILD_TYPE=Release")))
    (native-inputs
     `(("unzip" ,unzip)))
    (inputs
     `(("giflib", giflib)
       ("jasper", jasper)
       ("librsvg", librsvg)
       ("pth", pth)
       ("qtbase", qtbase)
       ("ffmpeg", ffmpeg)
       ("mesa", mesa)))
    (synopsis "High performance real-time graphics toolkit")
    (description
     "The OpenSceneGraph is a high performance 3D graphics toolkit
used by application developers in fields such as visual simulation, games,
virtual reality, scientific visualization and modeling.")
    (home-page "http://www.openscenegraph.org")
    ;; The 'LICENSE' file explains that the source is licensed under
    ;; LGPL 2.1, but with 4 exceptions. This version is called OSGPL.
    (license license:lgpl2.1)))

(define-public rapicorn
  (package
    (name "rapicorn")
    (version "16.0.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://testbit.eu/pub/dists/rapicorn/"
                                  "rapicorn-" version ".tar.xz"))
              (sha256
               (base32
                "1y51yjrpsihas1jy905m9p3r8iiyhq6bwi2690c564i5dnix1f9d"))
              (patches (search-patches "rapicorn-isnan.patch"))))
    (build-system gnu-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'fix-tests
           (lambda _
             ;; Our grep does not support perl regular expressions.
             (substitute* "taptool.sh"
               (("grep -P") "grep -E"))
             ;; Disable path tests because we cannot access /bin or /sbin.
             (substitute* "rcore/tests/multitest.cc"
               (("TCMP \\(Path::equals \\(\"/bin\"") "//"))
             #t))
         (add-before 'check 'pre-check
           (lambda _
             ;; The test suite requires a running X server (with DISPLAY
             ;; number 99 or higher).
             (system "Xvfb :99 &")
             (setenv "DISPLAY" ":99")
             #t))
         (add-after 'unpack 'replace-fhs-paths
           (lambda _
             (substitute* (cons "Makefile.decl"
                                (find-files "." "^Makefile\\.in$"))
               (("/bin/ls") (which "ls"))
               (("/usr/bin/env") (which "env")))
             #t)))))
    ;; These libraries are listed in the "Required" section of the pkg-config
    ;; file.
    (propagated-inputs
     `(("librsvg" ,librsvg)
       ("cairo" ,cairo)
       ("pango" ,pango)
       ("libxml2" ,libxml2)
       ("python2-enum34" ,python2-enum34)))
    (inputs
     `(("gdk-pixbuf" ,gdk-pixbuf)
       ("libpng" ,libpng-1.2)
       ("readline" ,readline)
       ("libcroco" ,libcroco)
       ("python" ,python-2)
       ("cython" ,python2-cython)))
    (native-inputs
     `(("pandoc" ,ghc-pandoc)
       ("bison" ,bison)
       ("flex" ,flex)
       ("doxygen" ,doxygen)
       ("graphviz" ,graphviz)
       ("intltool" ,intltool)
       ("pkg-config" ,pkg-config)
       ("xvfb" ,xorg-server)))
    (home-page "http://rapicorn.org")
    (synopsis "Toolkit for rapid development of user interfaces")
    (description
     "Rapicorn is a toolkit for rapid development of user interfaces in C++
and Python.  The user interface is designed in a declarative markup language
and is connected to the programming logic using data bindings and commands.")
    (license license:mpl2.0)))

(define-public ctl
  (package
    (name "ctl")
    (version "1.5.2")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://github.com/ampas/CTL/archive/ctl-"
                                  version ".tar.gz"))
              (sha256
               (base32
                "1gg04pyvw0m398akn0s1l07g5b1haqv5na1wpi5dii1jjd1w3ynp"))))
    (build-system cmake-build-system)
    (arguments '(#:tests? #f))                    ;no 'test' target

    ;; Headers include OpenEXR and IlmBase headers.
    (propagated-inputs `(("openexr" ,openexr)))

    (home-page "http://ampasctl.sourceforge.net")
    (synopsis "Color Transformation Language")
    (description
     "The Color Transformation Language, or CTL, is a small programming
language that was designed to serve as a building block for digital color
management systems.  CTL allows users to describe color transforms in a
concise and unambiguous way by expressing them as programs.  In order to apply
a given transform to an image, the color management system instructs a CTL
interpreter to load and run the CTL program that describes the transform.  The
original and the transformed image constitute the CTL program's input and
output.")

    ;; The web site says it's under a BSD-3 license, but the 'LICENSE' file
    ;; and headers use different wording.
    (license (license:non-copyleft "file://LICENSE"))))

(define-public brdf-explorer
  ;; There are no release tarballs, and not even tags in the repo,
  ;; so use the latest revision.
  (let ((commit "5b2cd46f38a06e47207fa7229b72d37beb945019")
        (revision "1"))
    (package
      (name "brdf-explorer")
      (version (string-append "1.0.0-" revision "." (string-take commit 9)))
      (source (origin
                (method git-fetch)
                (uri (git-reference
                      (url "https://github.com/wdas/brdf.git")
                      (commit commit)))
                (sha256
                 (base32
                  "06vzbiajzbi2xl8jlff5d45bc9wd68i3jdndfab1f3jgfrd8bsgx"))
                (file-name (string-append name "-" version "-checkout"))))
      (build-system gnu-build-system)
      (arguments
       `(#:phases (modify-phases %standard-phases
                    (replace 'configure
                      (lambda* (#:key outputs #:allow-other-keys)
                        (let ((out (assoc-ref outputs "out")))
                          (zero? (system* "qmake"
                                          (string-append "prefix=" out))))))
                    (add-after 'install 'wrap-program
                      (lambda* (#:key outputs #:allow-other-keys)
                        (let* ((out (assoc-ref outputs "out"))
                               (bin (string-append out "/bin"))
                               (data (string-append
                                      out "/share/brdf")))
                          (with-directory-excursion bin
                            (rename-file "brdf" ".brdf-real")
                            (call-with-output-file "brdf"
                              (lambda (port)
                                (format port "#!/bin/sh
# Run the thing from its home, otherwise it just bails out.
cd \"~a\"
exec -a \"$0\" ~a/.brdf-real~%"
                                        data bin)))
                            (chmod "brdf" #o555))))))))
      (native-inputs
       `(("qttools" ,qttools))) ;for 'qmake'
      (inputs
       `(("qtbase" ,qtbase)
         ("mesa" ,mesa)
         ("glew" ,glew)
         ("freeglut" ,freeglut)
         ("zlib" ,zlib)))
      (home-page "http://www.disneyanimation.com/technology/brdf.html")
      (synopsis
       "Analyze bidirectional reflectance distribution functions (BRDFs)")
      (description
       "BRDF Explorer is an application that allows the development and analysis
of bidirectional reflectance distribution functions (BRDFs).  It can load and
plot analytic BRDF functions (coded as functions in OpenGL's GLSL shader
language), measured material data from the MERL database, and anisotropic
measured material data from MIT CSAIL.  Graphs and visualizations update in
real time as parameters are changed, making it a useful tool for evaluating
and understanding different BRDFs (and other component functions).")
      (license license:ms-pl))))

(define-public agg
  (package
    (name "agg")
    (version "2.5")
    (source (origin
              (method url-fetch)
              (uri (list (string-append
                          "ftp://ftp.fau.de/gentoo/distfiles/agg-"
                          version ".tar.gz")
                         (string-append
                          "ftp://ftp.ula.ve/gentoo/distfiles/agg-"
                          version ".tar.gz")

                         ;; Site was discontinued.
                         (string-append "http://www.antigrain.com/agg-"
                                        version ".tar.gz")))
              (sha256
               (base32 "07wii4i824vy9qsvjsgqxppgqmfdxq0xa87i5yk53fijriadq7mb"))
              (patches (search-patches "agg-am_c_prototype.patch"))))
    (build-system gnu-build-system)
    (arguments
     '(#:configure-flags
       (list (string-append "--x-includes=" (assoc-ref %build-inputs "libx11")
                            "/include")
             (string-append "--x-libraries=" (assoc-ref %build-inputs "libx11")
                            "/lib"))
       #:phases
       (alist-cons-after
        'unpack 'autoreconf
        (lambda _
          ;; let's call configure from configure phase and not now
          (substitute* "autogen.sh" (("./configure") "# ./configure"))
          (zero? (system* "sh" "autogen.sh")))
        %standard-phases)))
    (native-inputs
     `(("pkg-config" ,pkg-config)
       ("libtool" ,libtool)
       ("autoconf" ,autoconf)
       ("automake" ,automake)
       ("bash" ,bash)))
    (inputs
     `(("libx11" ,libx11)
       ("freetype" ,freetype)
       ("sdl" ,sdl)))

    ;; Antigrain.com was discontinued.
    (home-page "http://agg.sourceforge.net/antigrain.com/index.html")
    (synopsis "High-quality 2D graphics rendering engine for C++")
    (description
     "Anti-Grain Geometry is a high quality rendering engine written in C++.
It supports sub-pixel resolutions and anti-aliasing.  It is also library for
rendering SVG graphics.")
    (license license:gpl2+)))