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Author SHA1 Message Date
James R. Barlow fda890ab47 pdfinfo: further layout improvements 
Rather than grouping visible/invisible in a custom analysis step,
use pdfminer's analysis and iterate.
Make iteration predicate and return more generic.
 2018-10-28 14:05:50 -07:00
James R. Barlow e6d64be890 pdfinfo: formatting 2018-10-27 23:22:44 -07:00
James R. Barlow 0e4d978d20 pdfinfo: all -> not any 2018-10-27 23:22:28 -07:00
James R. Barlow b12c2cfedf Fix handling of Type3 fonts with no ToUnicode mapping 2018-10-27 01:24:48 -07:00
James R. Barlow 58cc70725e Reorganize around getting bboxes for visible/invisible text 2018-10-26 01:07:02 -07:00
James R. Barlow 339afb02aa --redo-ocr now works in the presence of printable text 2018-10-25 16:53:47 -07:00
James R. Barlow 7ba0ff5c36 Fix strip invisible text bug: missing BT operator 2018-10-25 16:52:23 -07:00
James R. Barlow ff41fbf673 Add pdfminer based layout analysis 2018-10-25 12:42:35 -07:00
James R. Barlow 2435cd23ce Move pdfinfo into a package 2018-10-25 00:37:38 -07:00
James R. Barlow a063cff720 Rename/expose strip_invisible_text 2018-10-24 21:53:24 -07:00
James R. Barlow 0d396e1ac0 option check: Remove always-True condition 
Both renderers are now lossless reconstruction-capable. (Have
been since 7.0)
 2018-10-22 22:13:59 -07:00
James R. Barlow d11c428407 Redo OCR: disallow in cases that will damage the output PDF 2018-10-20 01:14:33 -07:00
James R. Barlow 6182b1f53e Merge branch 'feature/remove-vectors' into feature/redo-ocr 2018-10-20 01:13:24 -07:00
James R. Barlow 16af753206 Add functional "redo OCR" feature 
Needs argument validation and some other changes. Needs testing
with mixed-content PDFs.

Only really works for pure invisible text at the moment.
 2018-10-19 00:02:19 -07:00
James R. Barlow fa48205bb8 Add feature to remove vector graphics objects 2018-10-18 21:46:08 -07:00
James R. Barlow f7dbf94071 pipeline: if vector graphic objects exist, ensure the DPI is reasonable 2018-10-18 01:23:31 -07:00
James R. Barlow b18e66e2ca pdfinfo: learn to detect vector graphic objects 2018-10-18 01:21:51 -07:00
James R. Barlow 7a5504dfa5 pdfinfo: fix terminology (operands, command) -> (operands, operator) 2018-10-18 01:18:30 -07:00
James R. Barlow d1cad7bc68 Merge branch 'master' of github.com:jbarlow83/OCRmyPDF 2018-10-16 01:28:17 -07:00
Elliott Sales de Andradeandjbarlow83 c58d5c097c Add Fedora install instructions. (#304) 
* Add Fedora install instructions.

* Fix path to fedora_rawhide badget
 2018-10-14 13:28:50 -07:00
James R. Barlow 46157ca94e docs: some redundancies 2018-10-12 21:29:27 -07:00
jbarlow83andGitHub dd99511bcc Fix broken badges in README 2018-10-12 21:16:08 -07:00
M.Yasoob Ullah Khalid ☺andjbarlow83 5bc2efd3c7 Removed extra word from docs (#303) 2018-10-12 21:02:16 -07:00
James R. Barlow 1b18dbecf5 Fix filename test.txt v7.2.1 2018-10-11 16:03:25 -07:00
James R. Barlow 9f82c0eb6e v7.2.1 release notes 2018-10-11 15:55:01 -07:00
James R. Barlow 68bac1b177 Fix compatibility with pikepdf 0.3.5 API change 2018-10-11 15:51:34 -07:00
James R. Barlow 1495b78330 Remove cruft to support leptonica < 1.72 in test suite 2018-10-11 01:37:32 -07:00
James R. Barlow 6f777d2848 Include Debian copyright file 2018-10-10 23:55:48 -07:00
James R. Barlow 5650eba848 Cleanup MANIFEST.in, reorg requirements/*.txt, fix non-Unicode readme 2018-10-10 23:53:08 -07:00
James R. Barlow 5bc5dc93f3 v7.2.0 release notes update v7.2.0 2018-10-05 01:27:00 -07:00
James R. Barlow c1e18bb825 optimize: Exclude soft masks (SMasks) from optimization 
Soft masks are only allowed to be of colorspace DeviceGray so we
shouldn't use pngquant on them. For now, avoid this exceptional
case by excluded soft masks from optimization.
 2018-10-05 01:23:26 -07:00
James R. Barlow 58282ea0fb optimize: more refactoring 
Now properly generalized/specialized where it should be
 2018-10-04 13:44:51 -07:00
James R. Barlow 891da7834c optimize: refactor image extraction 2018-10-04 12:34:22 -07:00
James R. Barlow 5c229d48d5 optimize: Reorganize so JBIG2 can be performed on images reduced to 1bpp 
Closes #297
 2018-10-04 11:53:11 -07:00
James R. Barlow 53f660cf35 Travis: use newer macos image 2018-10-04 08:59:40 -07:00
James R. Barlow 7b66ca68f2 ...and document lossy JBIG2 2018-10-04 01:31:53 -07:00
James R. Barlow ba71c3ffbd requirements: request pikepdf 0.3.4 2018-10-04 01:22:03 -07:00
James R. Barlow 6707ad427a v7.2.0 release notes 2018-10-04 01:21:17 -07:00
James R. Barlow 5b84549716 Change JBIG2 lossy mode to require --jbig2-lossy 2018-10-04 01:20:49 -07:00
James R. Barlow c74f2ee6e8 Refactor the detailed error messages 2018-10-04 00:10:59 -07:00
James R. Barlow b32dd9f9d3 Fix lossless JBIG2 when there are multiple JBIG2 images on a single page 2018-10-03 17:40:26 -07:00
James R. Barlow fb8b161f6c Fix suppression of tesseract config error messages 2018-10-03 17:39:50 -07:00
James R. Barlow baddd6d233 Remove libtiff from Brewfile 
For some reason, brew complains about it now.
 2018-10-03 16:17:59 -07:00
James R. Barlow 6f554c6ae8 tesseract: account for behavior changes when params are missing 
Tesseract 4.0-rc1 now accepts invalid parameters in config and
won't return an error anymore. We prefer to raise an error if this
occurs.

See: https://github.com/tesseract-ocr/tesseract/commit/741ea00d7059d8ff7c55797ffc525a461d7f3ced
 2018-10-03 15:11:34 -07:00
James R. Barlow a71e4488b3 test: fix pytest warning about direct use of a fixture 2018-10-03 15:04:46 -07:00
James R. Barlow 72156b5653 Degrade more gracefully when --optimize is set but JBIG2 is not present 2018-10-03 14:24:20 -07:00
James R. Barlow 9fa471e053 Test: send stderr to stderr, why don't we? 2018-10-03 14:23:34 -07:00
James R. Barlow 31ef2fe907 test: this error message changed case in newer Tesseract 2018-10-03 13:58:20 -07:00
James R. Barlow 9a8ec4b210 optimize: only enable lossy JBIG2 for -O3 2018-10-03 00:38:58 -07:00
James R. Barlow 75aad4cc79 optimize: Refactor convert_to_jbig2 2018-10-02 23:42:12 -07:00