summary refs log tree commit diff
path: root/gnu/packages/image-viewers.scm
blob: 477f6815735c1cd60d659a0f88f69b8b33c02819 (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
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014 Ian Denhardt <ian@zenhack.net>
;;; Copyright © 2015, 2016 Alex Kost <alezost@gmail.com>
;;; Copyright © 2016, 2017, 2018, 2019, 2020, 2021 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2017 Alex Griffin <a@ajgrf.com>
;;; Copyright © 2017 Nikita <nikita@n0.is>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2017 nee <nee-git@hidamari.blue>
;;; Copyright © 2018–2021 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2018, 2019 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2019 Nicolas Goaziou <mail@nicolasgoaziou.fr>
;;; Copyright © 2019, 2020 Guy Fleury Iteriteka <gfleury@disroot.org>
;;; Copyright © 2019 Pierre Langlois <pierre.langlois@gmx.com>
;;; Copyright © 2020 Peng Mei Yu <pengmeiyu@riseup.net>
;;; Copyright © 2020 R Veera Kumar <vkor@vkten.in>
;;; Copyright © 2020 Pierre Neidhardt <mail@ambrevar.xyz>
;;; Copyright © 2021 Rovanion Luckey <rovanion.luckey@gmail.com>
;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
;;; Copyright © 2021 Stefan Reichör <stefan@xsteve.at>
;;; Copyright © 2021 Raghav Gururajan <rg@raghavgururajan.name>
;;; Copyright © 2021 jgart <jgart@dismail.de>
;;; Copyright © 2021 Zheng Junjie <873216071@qq.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 image-viewers)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module (guix packages)
  #:use-module (guix utils)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system cmake)
  #:use-module (guix build-system meson)
  #:use-module (guix build-system python)
  #:use-module (gnu packages autotools)
  #:use-module (gnu packages algebra)
  #:use-module (gnu packages base)
  #:use-module (gnu packages bash)
  #:use-module (gnu packages boost)
  #:use-module (gnu packages check)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages curl)
  #:use-module (gnu packages documentation)
  #:use-module (gnu packages fontutils)
  #:use-module (gnu packages freedesktop)
  #:use-module (gnu packages gawk)
  #:use-module (gnu packages gettext)
  #:use-module (gnu packages ghostscript)
  #:use-module (gnu packages gl)
  #:use-module (gnu packages glib)
  #:use-module (gnu packages gnome)
  #:use-module (gnu packages gtk)
  #:use-module (gnu packages graphics)
  #:use-module (gnu packages image)
  #:use-module (gnu packages image-processing)
  #:use-module (gnu packages imagemagick)
  #:use-module (gnu packages linux)
  #:use-module (gnu packages maths)
  #:use-module (gnu packages ncurses)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages perl-check)
  #:use-module (gnu packages photo)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages python)
  #:use-module (gnu packages python-xyz)
  #:use-module (gnu packages qt)
  #:use-module (gnu packages suckless)
  #:use-module (gnu packages terminals)
  #:use-module (gnu packages version-control)
  #:use-module (gnu packages video)
  #:use-module (gnu packages web)
  #:use-module (gnu packages xdisorg)
  #:use-module (gnu packages xorg)
  #:use-module (gnu packages))

(define-public ytfzf
  (package
    (name "ytfzf")
    (version "1.2.0")
    (home-page "https://github.com/pystardust/ytfzf")
    (source
     (origin
       (method git-fetch)
       (uri
        (git-reference
         (url home-page)
         (commit (string-append "v" version))))
       (file-name (git-file-name name version))
       (sha256
        (base32 "00d416qb4109pm77ikhnmds8qng90ni2jan9kdnxz7b6sh5f61nz"))
       (patches
        (search-patches
         ;; Pre-requisite for 'patch-script' phase.
         "ytfzf-programs.patch"
         ;; Disables self-update.
         "ytfzf-updates.patch"))))
    (build-system gnu-build-system)
    (arguments
     `(#:tests? #f                      ;no test suite
       #:modules
       ((guix build gnu-build-system)
        (guix build utils)
        (srfi srfi-26))
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'patch-script
           (lambda* (#:key inputs outputs #:allow-other-keys)
             (let* ((out (assoc-ref outputs "out"))
                    (bash (assoc-ref inputs "bash"))
                    (catimg (assoc-ref inputs "catimg"))
                    (chafa (assoc-ref inputs "chafa"))
                    (coreutils (assoc-ref inputs "coreutils"))
                    (curl (assoc-ref inputs "curl"))
                    (dmenu (assoc-ref inputs "dmenu"))
                    (fzf (assoc-ref inputs "fzf"))
                    (gawk (assoc-ref inputs "gawk"))
                    (grep (assoc-ref inputs "grep"))
                    (jp2a (assoc-ref inputs "jp2a"))
                    (jq (assoc-ref inputs "jq"))
                    (libnotify (assoc-ref inputs "libnotify"))
                    (mpv (assoc-ref inputs "mpv"))
                    (ncurses (assoc-ref inputs "ncurses"))
                    (python-ueberzug (assoc-ref inputs "python-ueberzug"))
                    (sed (assoc-ref inputs "sed"))
                    (util-linux (assoc-ref inputs "util-linux"))
                    (youtube-dl (assoc-ref inputs "youtube-dl")))
               ;; Use correct $PREFIX path.
               (substitute* "Makefile"
                 (("/usr/bin")
                  (string-append out "/bin")))
               ;; Use absolute path for referenced programs.
               (substitute* "ytfzf"
                 (("@awk@")
                  (string-append gawk "/bin/awk"))
                 (("@cat@")
                  (string-append coreutils "/bin/cat"))
                 (("@catimg@")
                  (string-append catimg "/bin/catimg"))
                 (("@chafa@")
                  (string-append chafa "/bin/chafa"))
                 (("@chmod@")
                  (string-append coreutils "/bin/chmod"))
                 (("@column@")
                  (string-append util-linux "/bin/column"))
                 (("@cp@")
                  (string-append coreutils "/bin/cp"))
                 (("@cut@")
                  (string-append coreutils "/bin/cut"))
                 (("@curl@")
                  (string-append curl "/bin/curl"))
                 (("@date@")
                  (string-append coreutils "/bin/date"))
                 (("@dmenu@")
                  (string-append dmenu "/bin/dmenu"))
                 (("@fzf@")
                  (string-append fzf "/bin/fzf"))
                 (("@grep@")
                  (string-append grep "/bin/grep"))
                 (("@head@")
                  (string-append coreutils "/bin/head"))
                 (("@jp2a@")
                  (string-append jp2a "/bin/jp2a"))
                 (("@jq@")
                  (string-append jq "/bin/jq"))
                 (("@mkdir@")
                  (string-append coreutils "/bin/mkdir"))
                 (("@mkfifo@")
                  (string-append coreutils "/bin/mkfifo"))
                 (("@mpv@")
                  (string-append mpv "/bin/mpv"))
                 (("@nohup@")
                  (string-append coreutils "/bin/nohup"))
                 (("@notify-send@")
                  (string-append libnotify "/bin/notify-send"))
                 (("@rm@")
                  (string-append coreutils "/bin/rm"))
                 (("@sed@")
                  (string-append sed "/bin/sed"))
                 (("@seq@")
                  (string-append coreutils "/bin/seq"))
                 (("@setsid@")
                  (string-append util-linux "/bin/setsid"))
                 (("@sh@")
                  (string-append bash "/bin/sh"))
                 (("@sleep@")
                  (string-append coreutils "/bin/sleep"))
                 (("@sort@")
                  (string-append coreutils "/bin/sort"))
                 (("@tput@")
                  (string-append ncurses "/bin/tput"))
                 (("@tr@")
                  (string-append coreutils "/bin/tr"))
                 (("@ueberzug@")
                  (string-append python-ueberzug "/bin/ueberzug"))
                 (("@uname@")
                  (string-append coreutils "/bin/uname"))
                 (("@uniq@")
                  (string-append coreutils "/bin/uniq"))
                 (("@wc@")
                  (string-append coreutils "/bin/wc"))
                 (("@youtube-dl@")
                  (string-append youtube-dl "/bin/youtube-dl"))))
             (substitute* "ytfzf"
               ;; Generate temporary files in the user-specific path,
               ;; to avoid issues in multi-user systems.
               (("/tmp/ytfzf")
                "$HOME/.cache/ytfzf")
               ;; Report errors to Guix.
               (("report at: https://github.com/pystardust/ytfzf")
                "report at: https://issues.guix.gnu.org"))))
         (delete 'configure))))         ;no configure script
    (inputs
     `(("bash" ,bash)
       ("catimg" ,catimg)
       ("chafa" ,chafa)
       ("coreutils" ,coreutils)
       ("curl" ,curl)
       ("dmenu" ,dmenu)
       ("fzf" ,fzf)
       ("gawk" ,gawk)
       ("grep" ,grep)
       ("jp2a" ,jp2a)
       ("jq" ,jq)
       ("libnotify" ,libnotify)
       ("mpv" ,mpv)
       ("ncurses" ,ncurses)
       ("python-ueberzug" ,python-ueberzug)
       ("sed" ,sed)
       ("util-linux" ,util-linux)
       ("youtube-dl" ,youtube-dl)))
    (synopsis "Watch PeerTube or YouTube videos from the terminal")
    (description "@code{ytfzf} is a POSIX script that helps you find PeerTube or
YouTube videos without requiring API and opens/downloads them using mpv/ytdl.")
    (license license:gpl3+)))

(define-public feh
  (package
    (name "feh")
    (version "3.7.2")
    (home-page "https://feh.finalrewind.org/")
    (source (origin
              (method url-fetch)
              (uri (string-append home-page
                                  name "-" version ".tar.bz2"))
              (sha256
               (base32
                "0n42kj18ldlcmrmk5qir9gs9irdl1vz9913n8p941x8cfb98ywc4"))))
    (build-system gnu-build-system)
    (arguments
     `(#:phases (modify-phases %standard-phases (delete 'configure))
       #:test-target "test"
       #:make-flags
       (list ,(string-append "CC=" (cc-for-target))
             (string-append "PREFIX=" (assoc-ref %outputs "out"))
             "exif=1"
             "inotify=1")))
    (native-inputs
     `(("perl" ,perl)
       ("perl-test-command" ,perl-test-command)))
    (inputs `(("imlib2" ,imlib2)
              ("curl" ,curl)
              ("libexif" ,libexif)
              ("libpng" ,libpng)
              ("libxt" ,libxt)
              ("libx11" ,libx11)
              ("libxinerama" ,libxinerama)))
    (native-search-paths
     ;; Feh allows overriding the libcurl builtin CA path (unset in Guix)
     ;; with the same variable as the `curl` command line HTTP tool.
     (package-native-search-paths curl))
    (synopsis "Fast and light imlib2-based image viewer")
    (description
      "feh is an X11 image viewer aimed mostly at console users.
Unlike most other viewers, it does not have a fancy GUI, but simply
displays images.  It can also be used to set the desktop wallpaper.
It is controlled via commandline arguments and configurable key/mouse
actions.")

    ;; The license is really the Expat license, with additional wording in the
    ;; 2nd paragraph: "acknowledgment shall be given in the documentation and
    ;; software packages that this Software was used."
    (license (license:x11-style
              "file://COPYING"
              "See 'COPYING' in the distribution."))))

(define-public geeqie
  (package
    (name "geeqie")
    (version "1.5")
    (source (origin
              (method git-fetch)
              (uri (git-reference
                    (url "https://github.com/BestImageViewer/geeqie")
                    (commit (string-append "v" version))))
              (sha256
               (base32
                "0nf45sh3pwsv98sppcrqj81b6mdi31n1sbc7gn88m8mhpfp1qq6k"))
              (file-name (git-file-name name version))))
    (build-system gnu-build-system)
    (arguments
     `( ;; Enable support for a "map" pane using GPS data.
       #:configure-flags '("--enable-map"
                           "--enable-gtk3")))
    (inputs
     `(("clutter" ,clutter)
       ("libchamplain" ,libchamplain)
       ("lcms" ,lcms)
       ("exiv2" ,exiv2)
       ("libpng" ,libpng)
       ("gtk+" ,gtk+)))
    (native-inputs
     `(("autoconf" ,autoconf)
       ("automake" ,automake)
       ("glib" ,glib "bin")                       ; glib-gettextize
       ("intltool" ,intltool)
       ("pkg-config" ,pkg-config)))
    (home-page "http://www.geeqie.org/")
    (synopsis "Lightweight GTK+ based image viewer")
    (description
     "Geeqie is a lightweight GTK+ based image viewer for Unix like operating
systems.  It features: EXIF, IPTC and XMP metadata browsing and editing
interoperability; easy integration with other software; geeqie works on files
and directories, there is no need to import images; fast preview for many raw
image formats; tools for image comparison, sorting and managing photo
collection.  Geeqie was initially based on GQview.")
    (license license:gpl2+)))

(define-public gpicview
  (package
    (name "gpicview")
    (version "0.2.5")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://sourceforge/lxde/"
                                  "GPicView%20%28image%20Viewer%29/0.2.x/"
                                  name "-" version ".tar.xz"))
              (sha256
               (base32
                "0hi9v0rdx47nys0wvm9xasdrafa34r5kq6crb074a0ipwmc60iiq"))))
    (build-system gnu-build-system)
    (inputs `(("gtk+" ,gtk+-2)
              ("libjpeg" ,libjpeg-turbo)))
    (native-inputs `(("intltool"   ,intltool)
                     ("pkg-config" ,pkg-config)))
    (synopsis "Simple and fast image viewer for X")
    (description "gpicview is a lightweight GTK+ 2.x based image viewer.
It is the default image viewer on LXDE desktop environment.")
    (home-page "http://lxde.sourceforge.net/gpicview/")
    (license license:gpl2+)))

(define-public sxiv
  (package
    (name "sxiv")
    (version "26")
    (source (origin
              (method git-fetch)
              (uri (git-reference
                    (url "https://github.com/muennich/sxiv")
                    (commit (string-append "v" version))))
              (file-name (git-file-name name version))
              (sha256
               (base32
                "0xaawlfdy7b277m38mgg4423kd7p1ffn0dq4hciqs6ivbb3q9c4f"))))
    (build-system gnu-build-system)
    (arguments
     `(#:tests? #f                      ; no check target
       #:make-flags
       (list (string-append "PREFIX=" %output)
             (string-append "CC=" ,(cc-for-target))
             ;; Xft.h #includes <ft2build.h> without ‘freetype2/’.  The Makefile
             ;; works around this by hard-coding /usr/include & $PREFIX.
             (string-append "CPPFLAGS=-I"
                            (assoc-ref %build-inputs "freetype")
                            "/include/freetype2")
             "V=1")
       #:phases
       (modify-phases %standard-phases
         (delete 'configure)            ; no configure script
         (add-after 'install 'install-desktop-file
           (lambda* (#:key outputs #:allow-other-keys)
             (install-file "sxiv.desktop"
                           (string-append (assoc-ref outputs "out")
                                          "/share/applications"))
             #t))
         (add-after 'install 'install-icons
           (lambda* (#:key make-flags #:allow-other-keys)
             (apply invoke "make" "-C" "icon" "install" make-flags))))))
    (inputs
     `(("freetype" ,freetype)
       ("giflib" ,giflib)
       ("imlib2" ,imlib2)
       ("libexif" ,libexif)
       ("libx11" ,libx11)
       ("libxft" ,libxft)))
    (home-page "https://github.com/muennich/sxiv")
    (synopsis "Simple X Image Viewer")
    (description
     "sxiv is an alternative to feh and qiv.  Its primary goal is to
provide the most basic features required for fast image viewing.  It has
vi key bindings and works nicely with tiling window managers.  Its code
base should be kept small and clean to make it easy for you to dig into
it and customize it for your needs.")
    (license license:gpl2+)))

(define-public viewnior
  (package
    (name "viewnior")
    (version "1.7")
    (source
      (origin
        (method git-fetch)
        (uri (git-reference
               (url "https://github.com/hellosiyan/Viewnior")
               (commit (string-append name "-" version))))
        (file-name (git-file-name name version))
        (sha256
         (base32
          "0y4hk3vq8psba5k615w18qj0kbdfp5w0lm98nv5apy6hmcpwfyig"))))
    (build-system meson-build-system)
    (arguments
     '(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'patch-source
           (lambda _
             ;; Don't create 'icon-theme.cache'
             (substitute* "meson.build"
               (("meson.add_install_script*") ""))
             #t)))
       #:tests? #f)) ; no tests
    (native-inputs
     `(("gettext" ,gettext-minimal)
       ("glib" ,glib "bin") ; glib-genmarshal
       ("pkg-config" ,pkg-config)
       ("shared-mime-info" ,shared-mime-info)))
    (inputs
     `(("exiv2" ,exiv2)
       ("gdk-pixbuf" ,gdk-pixbuf)
       ("gtk+-2" ,gtk+-2)))
    (home-page "http://siyanpanayotov.com/project/viewnior")
    (synopsis "Simple, fast and elegant image viewer")
    (description "Viewnior is an image viewer program.  Created to be simple,
fast and elegant.  Its minimalistic interface provides more screenspace for
your images.  Among its features are:
@enumerate
@item Fullscreen & Slideshow
@item Rotate, flip, crop, save, delete images
@item Animation support
@item Browse only selected images
@item Navigation window
@item Set image as wallpaper (Gnome 2, Gnome 3, XFCE, LXDE, FluxBox, Nitrogen)
@item Simple interface
@item EXIF and IPTC metadata
@item Configurable mouse actions
@end enumerate\n")
    (license license:gpl3+)))

(define-public catimg
  (package
    (name "catimg")
    (version "2.7.0")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/posva/catimg")
             (commit version)))
       (file-name (git-file-name name version))
       (sha256
        (base32 "0a2dswbv4xddb2l2d55hc43lzvjwrjs5z9am7v6i0p0mi2fmc89s"))))
    (build-system cmake-build-system)
    (arguments
     `(#:tests? #f                      ; no tests
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'patch-convert
           (lambda _
             (substitute* "catimg"
               ;; By replacing "convert", we also replace the "convert"
               ;; in the message 'The version of convert is too old, don't
               ;; expect good results :('.  This should not happen, but in
               ;; practice this error message should not affect us.
               (("convert") (which "convert")))
             #t))
         (add-after 'install 'install-script
           (lambda* (#:key outputs #:allow-other-keys)
             ;; The bash script lacks an file extension.  We have to rename
             ;; it so that the C program and the bash script can be happy
             ;; side by side.
             (copy-file "../source/catimg"
                        (string-append (assoc-ref outputs "out")
                                       "/bin/catimg.sh"))
             #t)))))
    (inputs
     `(("imagemagick" ,imagemagick))) ; for the bash script version
    (home-page "https://github.com/posva/catimg")
    (synopsis "Render images in the terminal")
    (description
     "Catimg is a little program that prints images in the terminal.
It supports JPEG, PNG and GIF formats.")
    (license license:expat)))

(define-public luminance-hdr
  (package
    (name "luminance-hdr")
    (version "2.6.0")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "mirror://sourceforge/qtpfsgui/luminance/"
                    version "/luminance-hdr-" version ".tar.bz2"))
              (sha256
               (base32
                "188q0l63nfasqfvwbq4mwx2vh7wsfi2bq9n5nksddspl1qz01lnp"))))
    (build-system cmake-build-system)
    (native-inputs
     `(("pkg-config" ,pkg-config)
       ("qttools" ,qttools)))
    (inputs
     `(("qtbase" ,qtbase-5)
       ("qtdeclarative" ,qtdeclarative)
       ("qtsvg" ,qtsvg)
       ("qtwebkit" ,qtwebkit)
       ("boost" ,boost)
       ("eigen" ,eigen)
       ;; ("gtest" ,gtest)
       ("libraw" ,libraw)
       ("zlib" ,zlib)
       ("exiv2" ,exiv2)
       ("libpng" ,libpng)
       ("libjpeg" ,libjpeg-turbo)
       ("lcms" ,lcms)
       ("openexr" ,openexr-2)
       ("fftw" ,fftwf)
       ("gsl" ,gsl)
       ("libtiff" ,libtiff)))
    (arguments
     '(#:tests? #f  ;XXX: some tests fail to compile
       #:phases
       (modify-phases %standard-phases
         (add-after 'set-paths 'add-ilmbase-include-path
           (lambda* (#:key inputs #:allow-other-keys)
             ;; 'OpenEXR.pc' has a -I for IlmBase but 'FindOpenEXR.cmake' does
             ;; not use 'OpenEXR.pc'.  Thus, we need to add
             ;; "$ilmbase/include/OpenEXR/" to the CPATH.
             (setenv "CPATH"
                     (string-append (assoc-ref inputs "ilmbase")
                                    "/include/OpenEXR"
                                    ":" (or (getenv "CPATH") "")))
             #t)))))
    (home-page "http://qtpfsgui.sourceforge.net")
    (synopsis "High dynamic range (HDR) imaging application")
    (description
     "Luminance HDR (formerly QtPFSGui) is a graphical user interface
application that aims to provide a workflow for high dynamic range (HDR)
imaging.  It supports several HDR and LDR image formats, and it can:

@itemize
@item Create an HDR file from a set of images (formats: JPEG, TIFF 8bit and
16bit, RAW) of the same scene taken at different exposure setting;
@item Save load HDR images;
@item Rotate, resize and crop HDR images;
@item Tone-map HDR images;
@item Copy EXIF data between sets of images.
@end itemize\n")
    (license license:gpl2+)))

;; CBR and RAR are currently unsupported, due to non-free dependencies.
(define-public mcomix
  ;; Official mcomix hasn't been updated since 2016, it's broken with
  ;; python-pillow 6+ and only supports Python 2.  We use fork instead.
  (let ((commit "fea55a7a9369569eefed72209eed830409c4af98"))
    (package
      (name "mcomix")
      (version (git-version "1.2.1" "1" commit))
      (source
       (origin
         (method git-fetch)
         (uri (git-reference
               (url "https://github.com/multiSnow/mcomix3")
               (commit commit)))
         (file-name (git-file-name name version))
         (sha256
          (base32
           "05zl0dkjwbdcm2zlk4nz9w33amlqj8pbf32a8ymshc2356fqhhi5"))))
      (build-system python-build-system)
      (inputs
       `(("p7zip" ,p7zip)
         ("python-pillow" ,python-pillow)
         ("python-pygobject" ,python-pygobject)
         ("python-pycairo" ,python-pycairo)))
      (arguments
       `(#:tests? #f                    ; FIXME: How do we run tests?
         #:phases
         (modify-phases %standard-phases
           (add-after 'unpack 'configure
             (lambda* (#:key inputs #:allow-other-keys)
               (let ((p7zip (assoc-ref inputs "p7zip")))
                 ;; insert absolute path to 7z executable
                 (substitute* "mcomix/mcomix/archive/sevenzip_external.py"
                   (("_7z_executable = -1")
                    (string-append "_7z_executable = u'" p7zip "/bin/7z'"))))
               #t))
           (replace 'build
             (lambda* (#:key outputs #:allow-other-keys)
               (let* ((out (assoc-ref outputs "out"))
                      (pyver ,(version-major+minor (package-version python)))
                      (lib (string-append out "/lib/python" pyver)))
                 (invoke (which "python") "installer.py" "--srcdir=mcomix"
                         (string-append "--target=" lib))
                 (rename-file (string-append lib "/mcomix")
                              (string-append lib "/site-packages"))
                 #t)))
           (replace 'install
             (lambda* (#:key outputs #:allow-other-keys)
               (let* ((out (assoc-ref outputs "out"))
                      (share (string-append out "/share"))
                      (bin (string-append out "/bin"))
                      (pyver ,(version-major+minor (package-version python)))
                      (lib (string-append out "/lib/python" pyver "/site-packages")))
                 (mkdir-p bin)
                 (rename-file (string-append lib "/mcomixstarter.py")
                              (string-append bin "/mcomix"))
                 (rename-file (string-append lib "/comicthumb.py")
                              (string-append bin "/comicthumb"))
                 (install-file "mime/mcomix.desktop"
                               (string-append share "/applications"))
                 (install-file "mime/mcomix.appdata.xml"
                               (string-append share "/metainfo"))
                 (install-file "mime/mcomix.xml"
                               (string-append share "/mime/packages"))
                 (install-file "mime/comicthumb.thumbnailer"
                               (string-append share "/thumbnailers"))
                 (install-file "man/mcomix.1" (string-append share "/man/man1"))
                 (install-file "man/comicthumb.1" (string-append share "/man/man1"))
                 (for-each
                  (lambda (size)
                    (install-file
                     (format #f "mcomix/mcomix/images/~sx~s/mcomix.png" size size)
                     (format #f "~a/icons/hicolor/~sx~s/apps/" share size size))
                    (for-each
                     (lambda (ext)
                       (install-file
                        (format #f "mime/icons/~sx~s/application-x-~a.png" size size ext)
                        (format #f "~a/icons/hicolor/~sx~s/mimetypes/"
                                share size size)))
                     '("cb7" "cbr" "cbt" "cbz")))
                  '(16 22 24 32 48))
                 #t))))))
      (home-page "https://sourceforge.net/p/mcomix/wiki/Home/")
      (synopsis "Image viewer for comics")
      (description "MComix is a customizable image viewer that specializes as
a comic and manga reader.  It supports a variety of container formats
including CBZ, CB7, CBT, LHA.

For PDF support, install the @emph{mupdf} package.")
      (license license:gpl2+))))

(define-public qview
  (package
    (name "qview")
    (version "4.0")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/jurplel/qView")
             (commit version)))
       (file-name (git-file-name name version))
       (sha256
        (base32 "15n9cq7w3ckinnx38hvncxrbkv4qm4k51sal41q4y0pkvhmafhnr"))))
    (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")))
               (invoke "qmake" (string-append "PREFIX=" out)))))
         ;; Don't phone home or show "Checking for updates..." in the About
         ;; menu.
         (add-before 'build 'disable-auto-update
           (lambda _
             (substitute* "src/qvaboutdialog.cpp"
               (("qvApp->checkUpdates\\(\\);") "")
               (("updateText\\(\\);") ""))
             #t)))))
    (inputs
     `(("qtbase" ,qtbase-5)
       ("qtsvg" ,qtsvg)
       ("qtimageformats" ,qtimageformats)))
    (home-page "https://interversehq.com/qview/")
    (synopsis "Convenient and minimal image viewer")
    (description "qView is a Qt image viewer designed with visually
minimalism and usability in mind.  Its features include animated GIF
controls, file history, rotation/mirroring, and multithreaded
preloading.")
    (license license:gpl3+)))

(define-public chafa
  (package
    (name "chafa")
    (version "1.4.1")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://hpjansson.org/chafa/releases/chafa-"
                                  version ".tar.xz"))
              (sha256
               (base32
                "18rb82bfqj1sj2g4irazx4lwq9q4b4k7my1r0q714vf9yhs41ls6"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (inputs
     `(("freetype" ,freetype)
       ("libjpeg" ,libjpeg-turbo)
       ("glib" ,glib)
       ("imagemagick" ,imagemagick)))
    (synopsis "Convert images to ANSI/Unicode characters")
    (description
     "Chafa is a command-line utility that converts all kinds of images,
including animated GIFs, into ANSI/Unicode character output that can be
displayed in a terminal.")
    (home-page "https://hpjansson.org/chafa/")
    (license license:lgpl3+)))

(define-public imv
  (package
    (name "imv")
    (version "4.3.0")
    (source (origin
              (method git-fetch)
              (uri (git-reference
                    (url "https://github.com/eXeC64/imv")
                    (commit (string-append "v" version))))
              (sha256
               (base32
                "12xcayyzmfknbff04z8jdlxsnnimgisqiah0bw07cyxx8ksmdzqw"))
              (file-name (git-file-name name version))))
    (build-system meson-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'install 'record-absolute-file-names
           (lambda* (#:key outputs #:allow-other-keys)
             ;; 'imv' is a script that execs 'imv-x11' or 'imv-wayland'.
             ;; Record their absolute file name.
             (let* ((out (assoc-ref outputs "out"))
                    (bin (string-append out "/bin")))
               (substitute* (string-append bin "/imv")
                 (("imv-")
                  (string-append bin "/imv-")))
               #t))))))
    (inputs
     `(("freeimage" ,freeimage)
       ("glu" ,glu)
       ("libheif" ,libheif)
       ("libjpeg-turbo" ,libjpeg-turbo)
       ("libinih" ,libinih)
       ("libnsgif" ,libnsgif)
       ("librsvg" ,librsvg-next)
       ("libtiff" ,libtiff)
       ("libxkbcommon" ,libxkbcommon)
       ("pango" ,pango)
       ("wayland" ,wayland)))
    (native-inputs
     `(("asciidoc" ,asciidoc)
       ("cmocka" ,cmocka)
       ;; why build need it?
       ("git" ,git-minimal)
       ("pkg-config" ,pkg-config)))
    (synopsis "Image viewer for tiling window managers")
    (description "@code{imv} is a command line image viewer intended for use
with tiling window managers.  Features include:

@itemize
@item Native Wayland and X11 support.
@item Support for dozens of image formats including:
@itemize
@item PNG
@item JPEG
@item Animated GIFs
@item SVG
@item TIFF
@item Various RAW formats
@item Photoshop PSD files
@end itemize
@item Configurable key bindings and behavior.
@item Highly scriptable with IPC via imv-msg.
@end itemize\n")
    (home-page "https://github.com/eXeC64/imv")
    (license license:expat)))

(define-public qiv
  (package
    (name "qiv")
    (version "2.3.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "http://spiegl.de/qiv/download/qiv-"
                           version ".tgz"))
       (sha256
        (base32 "1mc0f2nnas4q0d7zc9r6g4z93i32xlx0p9hl4fn5zkyml24a1q28"))
       (modules '((guix build utils)))
       (snippet
        '(begin
           ;; Fix a typo.  This can probably be removed on the next update.
           (substitute* "Makefile"
             (("\\$\\(PREFIX\\)/man")
              "$(PREFIX)/share/man"))))))
    (build-system gnu-build-system)
    (native-inputs
     `(("pkg-config" ,pkg-config)
       ;; That is required for testing.
       ("xorg-server" ,xorg-server-for-tests)))
    (inputs
     `(("imlib2" ,imlib2)
       ("glib" ,glib)
       ("gtk+" ,gtk+-2)
       ("lcms" ,lcms)
       ("libjpeg" ,libjpeg-turbo)
       ("libtiff" ,libtiff)
       ("libexif" ,libexif)
       ("libx11" ,libx11)
       ("libxext" ,libxext)))
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (delete 'configure)            ; no configure script
         (add-before 'install 'patch-file-start-xserver
           (lambda* (#:key inputs #:allow-other-keys)
             ;; patch the file so that qiv runs and exits by itself
             (substitute* "Makefile"
               (("./qiv -f ./intro.jpg") "./qiv -f -C -s ./intro.jpg")
               ;; Fail the build when test fails.
               (("echo \"-- Test Failed --\"")
                "(echo \"-- Test Failed --\" ; false)"))
             ;; There must be a running X server and make install doesn't start one.
             ;; Therefore we must do it.
             (system "Xvfb :1 &")
             (setenv "DISPLAY" ":1"))))
       #:tests? #f                      ; there is no check target
       #:make-flags
       (list
        (string-append "PREFIX=" (assoc-ref %outputs "out")))))
    (home-page "http://spiegl.de/qiv/")
    (synopsis "Graphical image viewer for X")
    (description
     "Quick Image Viewer is a small and fast GDK/Imlib2 image viewer.
Features include zoom, maxpect, scale down, fullscreen, slideshow, delete,
brightness/contrast/gamma correction, pan with keyboard and mouse, flip,
rotate left/right, jump/forward/backward images, filename filter and use it
to set X desktop background.")
    (license license:gpl2)))

(define-public nomacs
  (package
    (name "nomacs")
    (version "3.16.224")
    (source
     (origin
       (method git-fetch)
       (uri (git-reference
             (url "https://github.com/nomacs/nomacs")
             (commit version)))
       (file-name (git-file-name name version))
       (sha256
        (base32
         "05d4hqg0gl3g9s2xf1hr7mc7g4cqarcap4nzxxa51fsphw2b8x16"))))
    (build-system cmake-build-system)
    (arguments
     `(#:build-type "Release" ; fails to build with debug info
       #:configure-flags (list "-DENABLE_TRANSLATIONS=true"
                               "-DUSE_SYSTEM_QUAZIP=true"
                               "-DENABLE_OPENCV=true")
       #:tests? #f ; no rule for target 'test'
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'copy-plugins
           (lambda* (#:key inputs #:allow-other-keys)
             (copy-recursively (assoc-ref inputs "plugins")
                               "ImageLounge/plugins")))
         (add-after 'copy-plugins 'cd-to-source-dir
           (lambda _ (chdir "ImageLounge") #t)))))
    (inputs
     `(("plugins"
        ,(origin
           (method git-fetch)
           (uri (git-reference
                 (url "https://github.com/nomacs/nomacs-plugins")
                 (commit "3.16")))
           (sha256
            (base32
             "1cpdwhfvaxm970nwdc1hc13848a85pqqi176m9xpa3krla9qskml"))))
       ("exiv2" ,exiv2)
       ("libraw" ,libraw)
       ("libtiff" ,libtiff)
       ("opencv" ,opencv)
       ("python" ,python-wrapper)
       ("quazip" ,quazip-0)
       ("qtbase" ,qtbase-5)
       ("qtsvg" ,qtsvg)))
    (native-inputs
     `(("pkg-config" ,pkg-config)
       ("qtlinguist" ,qttools)))
    (synopsis "Image viewer supporting all common formats")
    (description "Nomacs is a simple to use image lounge featuring
semi-transparent widgets that display additional information such as metadata,
thumbnails and histograms.  It is able to browse images compressed archives
and add notes to images.

Nomacs includes image manipulation methods for adjusting brightness, contrast,
saturation, hue, gamma, and exposure.  It has a pseudo color function which
allows creating false color images.  A unique feature of Nomacs is the
synchronization of multiple instances.")
    (home-page "https://nomacs.org/")
    (license license:gpl3+)))

(define-public xzgv
  (package
    (name "xzgv")
    (version "0.9.2")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "mirror://sourceforge/xzgv/"
                           version "/xzgv-" version ".tar.gz"))
       (sha256
        (base32 "17l1xr9v07ggwga3vn0z1i4lnwjrr20rr8z1kjbw71aaijxl18i5"))))
    (build-system gnu-build-system)
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'override-target-directory
           (lambda* (#:key outputs #:allow-other-keys)
             (substitute* "config.mk"
               (("/usr/local") (assoc-ref outputs "out")))))
         (delete 'configure)            ; no configure script
         (replace 'install
           (lambda* (#:key outputs #:allow-other-keys)
             (let* ((out (assoc-ref outputs "out"))
                    (bin (string-append out "/bin")))
               (install-file "src/xzgv" bin))))) ; just install the executable
       #:tests? #f))                             ; no rule for target 'test'
    (native-inputs
     `(("pkg-config" ,pkg-config)))
    (inputs
     `(("gtk+" ,gtk+-2)
       ("libexif" ,libexif)))
    (home-page "https://sourceforge.net/projects/xzgv/")
    (synopsis "Picture viewer for X with a thumbnail-based selector")
    (description
     "xzgv is a fast image viewer that provides extensive keyboard support.")
    (license license:gpl2+)))