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46 Commits
Author SHA1 Message Date
Roberto Rosario b6ffeaeb32 Allow changing the output format, DPI of the pdftoppm command, and 
the output format of the converter via the CONVERTER_GRAPHICS_BACKEND_CONFIG
setting sub options: pdftoppm_dpi: 300, pdftoppm_format: jpeg, pillow_format: jpeg
GitHub issues #256 #257 GitLab issue #416.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
 2017-08-03 01:10:39 -04:00
Roberto Rosario 32c53343f1 Fix converter bug introduced in previous commit merge. 
Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
 2017-07-05 01:03:14 -04:00
Roberto Rosario b0912947fc Give every libreoffice instance its own separate $HOME directory. 
Additionally give every libreoffice its own UserInstallation
file in the $HOME directory. Works around Libre Office issue:
https://bugs.documentfoundation.org/show_bug.cgi?id=37531
Solves or affects GitLab issues #393 #258 #198 #175

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
 2017-07-04 23:58:04 -04:00
Roberto Rosario 7343223f59 PDF compatibility improvements. Support simple encrypted PDF. 
Improve PDF page count detection. Improve PDF orientation
detection. Merge CONVERTER_LIBREOFFICE_PATH and
CONVERTER_PDFTOPPM_PATH config settings into
CONVERTER_GRAPHICS_BACKEND_CONFIG.
GitLab issue #384 #376 #377.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
 2017-07-04 04:02:29 -04:00
Roberto Rosario 6bad5e02d1 Add lineart transformation. 
Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
 2017-07-03 14:05:13 -04:00
Roberto Rosario 4150fea2ad Add PDF orientation detection. Closes GitLab issue #387. 
Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
 2017-06-16 22:30:07 -04:00
Roberto Rosario 7a0c2224bb Add model docstrings. 
Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
 2017-04-25 14:21:30 -04:00
Roberto Rosario 92d2f9cbdd Add mirror, flip, gaussian blur and unsharpen masking transformations. 2017-01-18 03:01:27 -04:00
Roberto Rosario 9cb5758245 Add 3 new "prepared" transformations: Rotate 90, 180 and 270 degrees. 
Sort transformation list.
 2017-01-18 02:35:14 -04:00
Roberto Rosario ba11e63364 Improve transformation hashing algorithm. 2016-11-16 19:11:55 -04:00
Roberto Rosario aa2e8f3a11 Merge remote-tracking branch 'origin/master' into merge_test 2016-11-09 01:27:34 -04:00
Roberto Rosario 98327ae877 Return the same image when rotation degrees are 0. 2016-11-08 17:47:51 -04:00
Roberto Rosario 4222035cc1 Backport zoom transformation performance improvement, GitLab issue #334. Thanks to @startmat for the patch. 2016-11-08 02:03:10 -04:00
Roberto Rosario f98063835a Backport resize transformation math operation fix, GitLab issue #319. Thanks to @startmat for the find. 2016-11-08 01:51:27 -04:00
Roberto Rosario 19d20ff9d1 Prevent unnecessary image.resize in TransformationZoom. Thanks to @startmat for the suggestion. GitLab issue #334. 2016-11-05 02:56:43 -04:00
Roberto Rosario 621c988809 Simplify filter_by_access boilerplate code 2016-11-02 03:48:16 -04:00
Roberto Rosario c0194c63dc Refactor document page image generation and transformation classes 
to cache all transformed versions of a document page.
 2016-11-02 02:34:57 -04:00
Roberto Rosario de6564c264 Fix height calculation and remove disabled "fit" code. Thanks to @startmat for finding this one. Closes GitLab issue #319. 2016-10-31 15:08:43 -04:00
Roberto Rosario f3f5cff36e Add missing temporary cleanup for the office documents section. 2016-06-28 01:53:53 -04:00
Roberto Rosario 945158bd60 Normalize handling of temporary file and directory creation. 2016-06-23 20:54:10 -04:00
Roberto Rosario 28f3b7551d Consolidate document page image generation as binary or base64 to a single place at the converter class level. 2016-03-21 03:44:45 -04:00
Roberto Rosario 923ecc85d8 PEP8 Cleanups. 2015-10-28 02:22:10 -04:00
Roberto Rosario 86ff835839 PEP8 Cleanups. 2015-10-07 22:24:44 -04:00
Roberto Rosario 3d3abb6ad6 Use SH to call LibreOffice binary. Force LibreOffice input filter when converting text files. 2015-09-26 03:00:11 -04:00
Roberto Rosario dbd676646b Don't convert images blindly to RGB. Only convert to RGB or RGBA when saving to JPEG and mode is 'P'. documents.tests.test_models.MultiPageTiffTestCase passes again. 2015-09-16 15:56:10 -04:00
Roberto Rosario d6a3111d69 Make sure all images are converted to RGB before processing. 2015-09-15 02:01:56 -04:00
Roberto Rosario 59696ba68d Add missing exception variable. 2015-08-23 23:10:25 -04:00
Roberto Rosario d1bb06f350 Add logging to mark instances where getting the page count of a file may fails because it is not an office format file. 2015-08-23 22:47:33 -04:00
Roberto Rosario 5bb8f779b3 Add crop document page transformation. 2015-08-12 17:23:36 -04:00
Roberto Rosario 1e746c700a PEP8 cleanups. 2015-07-27 23:53:14 -04:00
Roberto Rosario 4527563d89 PEP8 cleanups, specially E501 line too long. 2015-07-22 18:21:37 -04:00
Roberto Rosario c275988c90 PEP8 cleanups, E501: 79 character long lines. 2015-07-19 03:27:41 -04:00
Roberto Rosario fa4cb686fb Auto add arguments to transformation labels. 2015-07-04 04:16:18 -04:00
Roberto Rosario 862de43219 Update tranformation help string. 2015-07-04 04:01:20 -04:00
Roberto Rosario 3d7e7ae4a2 Add support for getting an office document page count. 2015-07-03 03:19:42 -04:00
Roberto Rosario 48df3dcafa PEP8 cleanups 2015-06-24 17:11:24 -04:00
Roberto Rosario b18888b3f7 Convert and cache office documents at the document version level for faster page image retrieval 2015-06-24 01:04:35 -04:00
Roberto Rosario e4623fadcd PEP8 cleanups 2015-06-23 02:23:23 -04:00
Roberto Rosario 78198f3398 Smart settings refactor 2015-06-22 21:04:06 -04:00
Roberto Rosario 632656b8ce Make sure an image exists before trying to transform it 2015-06-09 20:23:40 -04:00
Roberto Rosario 931bdfd113 If no image is available when get_image is called, generate the first page automatically 2015-06-09 03:25:49 -04:00
Roberto Rosario 31985e7160 Use highest quality interpolation and expand image so as not to crop borders 2015-06-08 23:45:55 -04:00
Roberto Rosario d678431c97 Move transformation storage to the converter app via content types 2015-06-08 15:53:25 -04:00
Roberto Rosario b256758db2 Implement class based converter transformations 2015-06-07 05:29:31 -04:00
Roberto Rosario f4752a3f3f Further converter refactor and initial move from document-centric to page-centric image generation. Issue #93. 2015-06-06 06:26:44 -04:00
Roberto Rosario de6182aea0 Initial commit of the converter refactor 2015-06-05 03:35:07 -04:00