unofficial mirror of guix-devel@gnu.org 
 help / color / mirror / code / Atom feed
blob 30f380038bd4d5c7728a26f66ed1a9b003715b59 23927 bytes (raw)
name: gnu/packages/image.scm 	 # note: path name is non-authoritative(*)

  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
 
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2015 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2014, 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2014, 2015 Alex Kost <alezost@gmail.com>
;;; Copyright © 2014 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2015 Taylan Ulrich Bayırlı/Kammer <taylanbayirli@gmail.com>
;;; Copyright © 2014 John Darrington <jmd@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages image)
  #:use-module (gnu packages)
  #:use-module (gnu packages algebra)
  #:use-module (gnu packages autotools)
  #:use-module (gnu packages boost)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages doxygen)
  #:use-module (gnu packages fontutils)
  #:use-module (gnu packages ghostscript)
  #:use-module (gnu packages gl)
  #:use-module (gnu packages maths)
  #:use-module (gnu packages perl)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages python)
  #:use-module (gnu packages xml)
  #:use-module (gnu packages xorg)
  #:use-module (gnu packages zip)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix build-system gnu)
  #:use-module (guix build-system cmake)
  #:use-module (srfi srfi-1))

(define-public libpng
  (package
   (name "libpng")
   (version "1.5.21")
   (source (origin
            (method url-fetch)

            ;; Note: upstream removes older tarballs.
            (uri (list (string-append "mirror://sourceforge/libpng/libpng15/"
                                      version "/libpng-" version ".tar.xz")
                       (string-append
                        "ftp://ftp.simplesystems.org/pub/libpng/png/src"
                        "/libpng15/libpng-" version ".tar.xz")))
            (sha256
             (base32 "19yvzw6sf9gf7v25ha9bla8bw1nijh82wj8ag6brjj3hpij1q5dm"))))
   (build-system gnu-build-system)

   ;; libpng.la says "-lz", so propagate it.
   (propagated-inputs `(("zlib" ,zlib)))

   (synopsis "Library for handling PNG files")
   (description
    "Libpng is the official PNG (Portable Network Graphics) reference
library.  It supports almost all PNG features and is extensible.")
   (license license:zlib)
   (home-page "http://www.libpng.org/pub/png/libpng.html")))

(define-public libjpeg
  (package
   (name "libjpeg")
   (version "9a")
   (source (origin
            (method url-fetch)
            (uri (string-append "http://www.ijg.org/files/jpegsrc.v"
                   version ".tar.gz"))
            (sha256 (base32
                     "19q5zr4n60sjcvfbyv06n4pcl1mai3ipvnd2akflayciinj3wx9s"))))
   (build-system gnu-build-system)
   (synopsis "Library for handling JPEG files")
   (description
    "Libjpeg implements JPEG image encoding, decoding, and transcoding.
JPEG is a standardized compression method for full-color and gray-scale
images.
The included programs provide conversion between the JPEG format and
image files in PBMPLUS PPM/PGM, GIF, BMP, and Targa file formats.")
   (license license:ijg)
   (home-page "http://www.ijg.org/")))

(define-public libjpeg-8
  (package (inherit libjpeg)
   (version "8d")
   (source (origin
            (method url-fetch)
            (uri (string-append "http://www.ijg.org/files/jpegsrc.v"
                   version ".tar.gz"))
            (sha256 (base32
                     "1cz0dy05mgxqdgjf52p54yxpyy95rgl30cnazdrfmw7hfca9n0h0"))))))

(define-public libtiff
  (package
   (name "libtiff")
   (version "4.0.3")
   (source (origin
            (method url-fetch)
            (uri (string-append "ftp://ftp.remotesensing.org/pub/libtiff/tiff-"
                   version ".tar.gz"))
            (sha256 (base32
                     "0wj8d1iwk9vnpax2h29xqc2hwknxg3s0ay2d5pxkg59ihbifn6pa"))
            (patches (map search-patch '("libtiff-CVE-2012-4564.patch"
                                         "libtiff-CVE-2013-1960.patch"
                                         "libtiff-CVE-2013-1961.patch"
                                         "libtiff-CVE-2013-4231.patch"
                                         "libtiff-CVE-2013-4232.patch"
                                         "libtiff-CVE-2013-4244.patch"
                                         "libtiff-CVE-2013-4243.patch"
                                         "libtiff-CVE-2014-9330.patch"
                                         "libtiff-CVE-2014-8127-pt1.patch"
                                         "libtiff-CVE-2014-8127-pt2.patch"
                                         "libtiff-CVE-2014-8127-pt3.patch"
                                         "libtiff-CVE-2014-8127-pt4.patch"
                                         "libtiff-CVE-2014-8128-pt1.patch"
                                         "libtiff-CVE-2014-8128-pt2.patch"
                                         "libtiff-CVE-2014-8128-pt3.patch"
                                         "libtiff-CVE-2014-8129.patch"
                                         "libtiff-CVE-2014-9655.patch"
                                         "libtiff-CVE-2014-8128-pt4.patch"
                                         "libtiff-CVE-2014-8128-pt5.patch")))))
   (build-system gnu-build-system)
   (inputs `(("zlib" ,zlib)
             ("libjpeg-8" ,libjpeg-8)))
             ;; currently does not compile with libjpeg version 9
   (arguments
    `(#:configure-flags
      (list (string-append "--with-jpeg-include-dir="
                           (assoc-ref %build-inputs "libjpeg-8")
                           "/include"))))
   (synopsis "Library for handling TIFF files")
   (description
    "Libtiff provides support for the Tag Image File Format (TIFF), a format
used for storing image data.
Included are a library, libtiff, for reading and writing TIFF and a small
collection of tools for doing simple manipulations of TIFF images.")
   (license (license:non-copyleft "file://COPYRIGHT"
                                  "See COPYRIGHT in the distribution."))
   (home-page "http://www.libtiff.org/")))

(define-public libwmf
  (package
    (name "libwmf")
    (version "0.2.8.4")
    (source
      (origin
        (method url-fetch)
        (uri (string-append "mirror://sourceforge/wvware/"
                            name "/" version
                            "/" name "-" version ".tar.gz"))
        (sha256
         (base32 "1y3wba4q8pl7kr51212jwrsz1x6nslsx1gsjml1x0i8549lmqd2v"))
        (patches
         (map search-patch '("libwmf-CVE-2006-3376.patch"
                             "libwmf-CVE-2009-1364.patch"
                             "libwmf-CVE-2015-0848+4588+4695+4696.patch")))))

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

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

(define-public leptonica
  (package
    (name "leptonica")
    (version "1.71")
    (source
     (origin
       (method url-fetch)
       (uri (string-append "http://www.leptonica.com/source/leptonica-"
                           version ".tar.gz"))
       (sha256
        (base32 "0j5qgrff6im5n9waflbi7w643q1p6mahyf2z35gb4vj9h5p76pfc"))
       (modules '((guix build utils)))
       ;; zlib and openjpg should be under Libs, not Libs.private.  See:
       ;; https://code.google.com/p/tesseract-ocr/issues/detail?id=1436
       (snippet
        '(substitute* "lept.pc.in"
           (("^(Libs\\.private: .*)@ZLIB_LIBS@(.*)" all pre post)
            (string-append pre post))
           (("^(Libs\\.private: .*)@JPEG_LIBS@(.*)" all pre post)
            (string-append pre post))
           (("^Libs: .*" all)
            (string-append all " @ZLIB_LIBS@ @JPEG_LIBS@"))))))
    (build-system gnu-build-system)
    (native-inputs
     `(("gnuplot" ,gnuplot)))           ;needed for test suite
    (inputs
     `(("giflib" ,giflib)
       ("libjpeg" ,libjpeg)
       ("libpng" ,libpng)
       ("libtiff" ,libtiff)
       ("libwebp" ,libwebp)))
    (propagated-inputs
     `(("openjpeg" ,openjpeg)
       ("zlib" ,zlib)))
    (arguments
     '(#:phases
       (modify-phases %standard-phases
         ;; Prevent make from trying to regenerate config.h.in.
         (add-after
          'unpack 'set-config-h-in-file-time
          (lambda _
            (set-file-time "config/config.h.in" (stat "configure"))))
         (add-after
          'unpack 'patch-reg-wrapper
          (lambda _
            (substitute* "prog/reg_wrapper.sh"
              ((" /bin/sh ")
               (string-append " " (which "sh") " "))))))))
    (home-page "http://www.leptonica.com/")
    (synopsis "Library and tools for image processing and analysis")
    (description
     "Leptonica is a C library and set of command-line tools for efficient
image processing and image analysis operations.  It supports rasterop, affine
transformations, binary and grayscale morphology, rank order, and convolution,
seedfill and connected components, image transformations combining changes in
scale and pixel depth, and pixelwise masking, blending, enhancement, and
arithmetic ops.")
    (license license:bsd-2)))

(define-public jbig2dec
  (package
    (name "jbig2dec")
    (version "0.11")
    (source
      (origin
        (method url-fetch)
        (uri             ;; The link on the homepage is dead.
          (string-append "http://distfiles.gentoo.org/distfiles/" name "-"
                          version ".tar.gz"))
        (sha256
          (base32 "1ffhgmf2fqzk0h4k736pp06z7q5y4x41fg844bd6a9vgncq86bby"))
        (patches (list (search-patch "jbig2dec-ignore-testtest.patch")))))

    (build-system gnu-build-system)
    (synopsis "Decoder of the JBIG2 image compression format")
    (description
      "JBIG2 is designed for lossy or lossless encoding of 'bilevel'
(1-bit monochrome) images at moderately high resolution, and in
particular scanned paper documents.  In this domain it is very
efficient, offering compression ratios on the order of 100:1.

This is a decoder only implementation, and currently is in the alpha
stage, meaning it doesn't completely work yet.  However, it is
maintaining parity with available encoders, so it is useful for real
work.")
    (home-page "http://jbig2dec.sourceforge.net/")
    (license license:gpl2+)))

(define-public openjpeg
  (package
    (name "openjpeg")
    (version "2.1.0")
    (source
      (origin
        (method url-fetch)
        (uri
         (string-append "mirror://sourceforge/openjpeg.mirror/" name "-"
                        version ".tar.gz"))
        (sha256
         (base32 "00zzm303zvv4ijzancrsb1cqbph3pgz0nky92k9qx3fq9y0vnchj"))))
    (build-system cmake-build-system)
    (arguments
      ;; Trying to run `$ make check' results in a no rule fault.
      '(#:tests? #f))
    (inputs
      `(("lcms" ,lcms)
        ("libpng" ,libpng)
        ("libtiff" ,libtiff)
        ("zlib" ,zlib)))
    (synopsis "JPEG 2000 codec")
    (description
      "The OpenJPEG library is a JPEG 2000 codec written in C.  It has
been developed in order to promote the use of JPEG 2000, the new
still-image compression standard from the Joint Photographic Experts
Group (JPEG).

In addition to the basic codec, various other features are under
development, among them the JP2 and MJ2 (Motion JPEG 2000) file formats,
an indexing tool useful for the JPIP protocol, JPWL-tools for
error-resilience, a Java-viewer for j2k-images, ...")
    (home-page "https://code.google.com/p/openjpeg/")
    (license license:bsd-2)))

(define-public openjpeg-2.0
  (package (inherit openjpeg)
    (name "openjpeg")
    (version "2.0.1")
    (source
     (origin
       (method url-fetch)
       (uri
        (string-append "mirror://sourceforge/openjpeg.mirror/" name "-"
                       version ".tar.gz"))
       (sha256
        (base32 "1c2xc3nl2mg511b63rk7hrckmy14681p1m44mzw3n1fyqnjm0b0z"))))))

(define-public openjpeg-1
  (package (inherit openjpeg)
    (name "openjpeg")
    (version "1.5.2")
    (source
     (origin
       (method url-fetch)
       (uri
        (string-append "mirror://sourceforge/openjpeg.mirror/" name "-"
                       version ".tar.gz"))
       (sha256
        (base32 "11waq9w215zvzxrpv40afyd18qf79mxc28fda80bm3ax98cpppqm"))))))

(define-public giflib
  (package
    (name "giflib")
    (version "4.2.3")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://sourceforge/giflib/giflib-"
                                  (first (string-split version #\.))
                                  ".x/giflib-" version ".tar.bz2"))
              (sha256
               (base32 "0rmp7ipzk42r841bggd7bfqk4p8qsssbp4wcck4qnz7p4rkxbj0a"))))
    (build-system gnu-build-system)
    (outputs '("bin"                    ; utility programs
               "out"))                  ; library
    (inputs `(("libx11" ,libx11)
              ("libice" ,libice)
              ("libsm" ,libsm)
              ("perl" ,perl)))
    (arguments
     `(#:phases (alist-cons-after
                 'unpack 'disable-html-doc-gen
                 (lambda _
                   (substitute* "doc/Makefile.in"
                     (("^all: allhtml manpages") "")))
                 (alist-cons-after
                  'install 'install-manpages
                  (lambda* (#:key outputs #:allow-other-keys)
                    (let* ((bin (assoc-ref outputs "bin"))
                           (man1dir (string-append bin "/share/man/man1")))
                      (mkdir-p man1dir)
                      (for-each (lambda (file)
                                  (let ((base (basename file)))
                                    (format #t "installing `~a' to `~a'~%"
                                            base man1dir)
                                    (copy-file file
                                               (string-append
                                                man1dir "/" base))))
                                (find-files "doc" "\\.1"))))
                  %standard-phases))))
    (synopsis "Tools and library for working with GIF images")
    (description
     "GIFLIB is a library for reading and writing GIF images.  It is API and
ABI compatible with libungif which was in wide use while the LZW compression
algorithm was patented.  Tools are also included to convert, manipulate,
compose, and analyze GIF images.")
    (home-page "http://giflib.sourceforge.net/")
    (license license:x11)))

(define-public libungif
  (package
    (name "libungif")
    (version "4.1.4")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://sourceforge/giflib/libungif-"
                                  version ".tar.bz2"))
              (sha256
               (base32
                "0cnksimmmjngdrys302ik1385sg1sj4i0gxivzldhgwd46n7x2kh"))))
    (build-system gnu-build-system)
    (inputs `(("perl" ,perl)))          ;package ships some perl tools
    (home-page "http://giflib.sourceforge.net/")
    (synopsis "GIF decompression library")
    (description
     "libungif is the old GIF decompression library by the GIFLIB project.")
    (license license:expat)))

(define-public imlib2
  (package
    (name "imlib2")
    (version "1.4.7")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "mirror://sourceforge/enlightenment/imlib2-"
                    version ".tar.bz2"))
              (sha256
               (base32
                "00a7jbwj10x3jcvxa5rplnkvhv35gv9rb400zy636zdd4g737mrm"))))
    (build-system gnu-build-system)
    (native-inputs
     `(("pkgconfig" ,pkg-config)))
    (inputs
     `(("libx11" ,libx11)
       ("libxext" ,libxext)
       ("freetype" ,freetype)
       ("libjpeg" ,libjpeg)
       ("libpng" ,libpng)
       ("libtiff" ,libtiff)
       ("giflib" ,giflib)
       ("bzip2" ,bzip2)))
    (home-page "http://sourceforge.net/projects/enlightenment/")
    (synopsis
     "Loading, saving, rendering and manipulating image files")
    (description
     "Imlib2 is a library that does image file loading and saving as well as
rendering, manipulation, arbitrary polygon support, etc.

It does ALL of these operations FAST.  Imlib2 also tries to be highly
intelligent about doing them, so writing naive programs can be done easily,
without sacrificing speed.

This is a complete rewrite over the Imlib 1.x series.  The architecture is
more modular, simple, and flexible.")
    (license license:imlib2)))

(define-public giblib
  (package
    (name "giblib")
    (version "1.2.4")
    (source (origin
              (method url-fetch)
              (uri (string-append
                    "http://linuxbrit.co.uk/downloads/giblib-"
                    version ".tar.gz"))
              (sha256
               (base32
                "1b4bmbmj52glq0s898lppkpzxlprq9aav49r06j2wx4dv3212rhp"))))
    (build-system gnu-build-system)
    (inputs
     `(("libx11" ,libx11)
       ("imlib2" ,imlib2)))
    (home-page "http://linuxbrit.co.uk/software/") ; no real home-page
    (synopsis "Wrapper library for imlib2")
    (description
     "Giblib is a simple library which wraps imlib2's context API, avoiding
all the context_get/set calls, adds fontstyles to the truetype renderer and
supplies a generic doubly-linked list and some string functions.")
    ;; This license removes a clause about X Consortium from the original
    ;; X11 license.
    (license (license:x11-style "file://COPYING"
                                "See 'COPYING' in the distribution."))))

(define-public freeimage
  (package
   (name "freeimage")
   (version "3.16.0")
   (source (origin
            (method url-fetch)
            (uri (string-append
                  "mirror://sourceforge/freeimage/Source%20Distribution/"
                  version "/FreeImage"
                  (string-join (string-split version #\.) "")
                  ".zip"))
            (sha256
             (base32
              "0q1gnjnxgphsh4l8i9rfly4bi8xsczsb9ryzbm8hf38lc3fk5bq3"))))
   (build-system gnu-build-system)
   (arguments
    '(#:phases (alist-delete
                'configure
                (alist-cons-before
                 'build 'patch-makefile
                 (lambda* (#:key outputs #:allow-other-keys)
                   (substitute* "Makefile.gnu"
                     (("/usr") (assoc-ref outputs "out"))
                     (("-o root -g root") "")))
                 %standard-phases))
      #:make-flags '("CC=gcc")
      #:tests? #f)) ; no check target
   (native-inputs
    `(("unzip" ,unzip)))
   ;; Fails to build on MIPS due to assembly code in the source.
   (supported-systems (delete "mips64el-linux" %supported-systems))
   (synopsis "Library for handling popular graphics image formats")
   (description
    "FreeImage is a library for developers who would like to support popular
graphics image formats like PNG, BMP, JPEG, TIFF and others.")
   (license license:gpl2+)
   (home-page "http://freeimage.sourceforge.net")))

(define-public vigra
  (package
   (name "vigra")
   (version "1.10.0")
   (source
     (origin
       (method url-fetch)
       (uri (string-append "https://hci.iwr.uni-heidelberg.de/vigra/vigra-"
                           version "-src.tar.gz"))
       (sha256 (base32
                 "16d0jvz3k49niljg9qvvlyxxl15yk0300xkymvyznlmvn1hs7m22"))))
   (build-system cmake-build-system)
   (inputs
    `(("boost" ,boost)
      ("fftw" ,fftw)
      ("fftwf" ,fftwf)
      ("hdf5" ,hdf5)
      ("libjpeg" ,libjpeg)
      ("libpng" ,libpng)
      ("libtiff" ,libtiff)
      ("python" ,python-2) ; print syntax
      ("python2-numpy" ,python2-numpy)
      ("zlib" ,zlib)))
   (native-inputs
    `(("doxygen" ,doxygen)
      ("python2-nose" ,python2-nose)
      ("python2-sphinx" ,python2-sphinx)))
   (arguments
    `(#:test-target "check"
      #:configure-flags
        (list "-Wno-dev" ; suppress developer mode with lots of warnings
              (string-append "-DVIGRANUMPY_INSTALL_DIR="
                             (assoc-ref %outputs "out")
                             "/lib/python2.7/site-packages"))))
   (synopsis "Computer vision library")
   (description
    "VIGRA stands for Vision with Generic Algorithms.  It is an image
processing and analysis library that puts its main emphasis on customizable
algorithms and data structures.  It is particularly strong for
multi-dimensional image processing.")
   (license license:expat)
   (home-page "https://hci.iwr.uni-heidelberg.de/vigra")))

(define-public libwebp
  (package
    (name "libwebp")
    (version "0.4.3")
    (source
     (origin
       (method url-fetch)
       (uri (string-append
             "http://downloads.webmproject.org/releases/webp/libwebp-" version
             ".tar.gz"))
       (sha256
        (base32 "1i4hfczjm3b1qj1g4cc9hgb69l47f3nkgf6hk7nz4dm9zmc0vgpg"))))
    (build-system gnu-build-system)
    (inputs
     `(("freeglut" ,freeglut)
       ("giflib" ,giflib)
       ("libjpeg" ,libjpeg)
       ("libpng" ,libpng)
       ("libtiff" ,libtiff)))
    (arguments
     '(#:configure-flags '("--enable-libwebpmux"
                           "--enable-libwebpdemux"
                           "--enable-libwebpdecoder")))
    (home-page "https://developers.google.com/speed/webp/")
    (synopsis "Lossless and lossy image compression")
    (description
     "WebP is a new image format that provides lossless and lossy compression
for images.  WebP lossless images are 26% smaller in size compared to
PNGs.  WebP lossy images are 25-34% smaller in size compared to JPEG images at
equivalent SSIM index.  WebP supports lossless transparency (also known as
alpha channel) with just 22% additional bytes.  Transparency is also supported
with lossy compression and typically provides 3x smaller file sizes compared
to PNG when lossy compression is acceptable for the red/green/blue color
channels.")
    (license license:bsd-3)))

(define-public libmng
  (package
    (name "libmng")
    (version "2.0.3")
    (source (origin
              (method url-fetch)
              (uri (string-append "mirror://sourceforge/libmng/"
                                  name "-" version ".tar.xz"))
              (sha256
               (base32
                "1lvxnpds0vcf0lil6ia2036ghqlbl740c4d2sz0q5g6l93fjyija"))))
    (build-system gnu-build-system)
    (propagated-inputs
     ;; These are all in the 'Libs.private' field of libmng.pc.
     `(("lcms" ,lcms)
       ("libjpeg" ,libjpeg)
       ("zlib" ,zlib)))
    (home-page "http://www.libmng.com/")
    (synopsis "Library for handling MNG files")
    (description
     "Libmng is the MNG (Multiple-image Network Graphics) reference library.")
    (license license:bsd-3)))

debug log:

solving 30f3800 ...
found 30f3800 in https://git.savannah.gnu.org/cgit/guix.git

(*) Git path names are given by the tree(s) the blob belongs to.
    Blobs themselves have no identifier aside from the hash of its contents.^

Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/guix.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).