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86 Commits
Author SHA1 Message Date
James R. Barlow 0089a84c94 hocr: Make interword spaces default and non-optional for hocr 
Update documentation to match.
 2018-03-13 14:51:47 -07:00
James R. Barlow 7ae6c5ae87 Trial merge interword-spaces 2018-03-02 23:47:06 -08:00
James R. Barlow de749bc7ae Fix regression - output to stdout broken 2018-03-02 15:35:51 -08:00
Tucker BarbourandCharles Forcey e6e34251c6 Add option to explicitly add interword spaces to HOCR pdf-renderer 
This commit includes an optional work around for limitations of the
PDF.js viewer described in
https://github.com/jbarlow83/OCRmyPDF/issues/133. Here is explicitly
add an addition space to text elements before drawing them on the PDF
canvas when using the HOCR renderer. This option does not apply to
other pdf renderers in OCRmyPDF and is turned off by default.
 2018-03-01 13:15:03 -05:00
James R. Barlow 74ca736333 Issue #223: improve text of encrypted PDF error message 2018-02-27 15:08:22 -08:00
James R. Barlow 8ab8132411 lint: unused variables, wildcard imports 2018-02-24 12:48:52 -08:00
James R. Barlow 3de83627a9 Handle output to /dev/null or directory (#219) 
Previously we threw an exception if the output name was a directory (only after doing OCR) and would trigger a PermissionError on trying to flip permission bits of /dev/null due to shutil.copyfile implementation. Instead of copying file use shutil.copyfileobj which should also respect umask etc.
 2018-02-19 22:15:07 -08:00
James R. Barlow 882fc2257c Add --max-image-mpixels argument to support Pillow 5.0 2018-01-10 15:43:59 -08:00
James R. Barlow 6bf1f970a0 Fix some parameter validation for --output-type pdfa-1 and pdfa-2 2018-01-10 11:50:08 -08:00
James R. Barlow 7d451f101f Detect old versions of Ghostscript and warn about them (#208) 2018-01-10 11:47:39 -08:00
James R. Barlow d2217632df Rename _verify_python3_env 2017-11-29 13:43:18 -08:00
James R. Barlow 2cc044feed Move qpdf complaint to after options checking so that it won't break ocrmypdf --version 2017-11-29 13:42:55 -08:00
James R. Barlow c5a1d22e81 That fixed it. Complain about old versions of qpdf now 2017-11-29 12:53:34 -08:00
James R. Barlow 40aa82ab41 Check that the locale is sane before allowing OCR to proceed 2017-11-16 17:18:02 -08:00
James R. Barlow 4b7135f0e5 Add option to produce PDF/A-1B 2017-10-11 14:32:58 -07:00
James R. Barlow 51defa6d66 Import cleanup and some pylint fixes 2017-10-11 12:58:35 -07:00
James R. Barlow 5372656893 Don't say tess4 support is experimental - it's pretty good now 2017-10-09 16:17:42 -07:00
James R. Barlow 87c2ed8b27 Improve clarity of --pdf-renderer=tesseract deprecation warning 2017-09-12 14:34:53 -07:00
James R. Barlow 82ebd8ef1a Fix missing error message about trying to use sandwich on old tesseract 2017-09-01 12:50:36 -07:00
James R. Barlow 9bb42c0229 Wrong error type used for missing language 2017-08-24 01:07:23 -07:00
James R. Barlow 0b012697e5 Whitelist the Latin-1 languages that work with HOCR 
Omitted French because the rare 'oe' and 'ÿ' glyphs are not in Latin-1.
Basically steer people away from HOCR renderer but avoid a potential
disruptive behavior change.
 2017-07-26 21:03:18 -07:00
James R. Barlow 58e357c992 Report location of attempted output_file that fails to write 2017-07-22 17:49:56 -07:00
James R. Barlow dd38519f07 Merge branch 'feature/user-words' into develop 
# Conflicts:
#	ocrmypdf/exec/tesseract.py
 2017-07-20 16:25:20 -07:00
James R. Barlow 2c24f67deb Rename “tess4” renderer to “sandwich” and make it default in Tess 3.05.01 
Tesseract 3.05.01 backported the textonly_pdf=1 which allows the use
of this superior PDF renderer prior to 4.00 alpha. This means that
the tess4 name is no longer accurate, so call it a sandwich because of
its merge-preserve characteristic. Preserve the tess4 name. Fix the
documentation and tests to reflect this.

Make it the default, because it’s better. It does not have the issues
the “tesseract” renderer does prior to Tess 3.05.00 with rendering
PDFs that Ghostscript corrupts, and it produces better output without
re-rastering.

Deprecate some old stuff to avoid the test suite growing obscenely
large.
 2017-06-13 13:09:12 -07:00
James R. Barlow 3232643809 Support “textonly PDF” renderer in Tesseract 3.05.01 2017-06-13 10:18:08 -07:00
James R. Barlow d9005a1074 pdfinfo: replace most remaining dict-style access 2017-05-19 16:17:36 -07:00
James R. Barlow 048ae40e75 Update copyrights 2017-05-14 23:38:28 -07:00
James R. Barlow b1f79e4d97 Disable other use redo_ocr 2017-05-12 13:24:30 -07:00
James R. Barlow 559af9635f —redo-ocr is not implemented, so disable 2017-05-12 12:08:16 -07:00
James R. Barlow 83230097ae Insist on Tesseract 3.04 wherever we check for it 2017-05-11 23:51:28 -07:00
James R. Barlow 96045e98f4 Update develop with master changes 
We’re well out of the “trivial updates” zone
 2017-05-11 22:54:27 -07:00
James R. Barlow 16b6442b23 Add changes to __main__.py that should have been in last commit 2017-05-10 17:55:42 -07:00
James R. Barlow 47a2997538 Reorganize —help text 2017-05-10 12:19:56 -07:00
James R. Barlow 37ebcadfa1 Implement —user-words, —user-patterns 2017-05-09 17:54:56 -07:00
James R. Barlow 1606b6a383 Add —quiet (fixes #143), stop using ruffus to partially generate argparser 2017-05-09 17:24:06 -07:00
James R. Barlow 2a61902df5 Merge commit 'c4f01de231d22da5cea02c25aa581a965a37640b' 2017-05-09 16:37:55 -07:00
James R. Barlow 01a1c2b576 Implement —pdfa-image-compression to control Ghostscript’s compression 
Fixes #163
 2017-05-09 16:37:29 -07:00
Ingo Feinererandjbarlow83 c4f01de231 Fix typo "cutput" -> "output" (#164) 
[ci skip]
 2017-05-09 16:22:10 -07:00
James R. Barlow cf643c9f43 Fix argparse.ArgumentError needs two positional args 2017-05-01 14:55:47 -07:00
Jakub Wilkandjbarlow83 2846fb4e31 Remove misplaced flags from re.sub() call (#153) 
The 4th argument of re.sub() is maximum number of substitutions,
not flags.

Moreover, re.MULTILINE affects only semantics of ^ and $,
so it wouldn't have any effect on this regular expression.
 2017-04-20 00:38:23 -07:00
James R. Barlow fee22b6b0b Fix #151, cannot write mode P as JPEG 
all(<empty generator>) is True.
 2017-04-18 18:08:45 -07:00
James R. Barlow 7b7e3a3e03 Enable lossless reconstruction for —pdf-renderer tess4 where appropriate 2017-03-29 23:44:12 -07:00
James R. Barlow 8bc6019172 Begin adding new option to redo ocr 2017-03-29 18:15:20 -07:00
James R. Barlow 88ef2718f1 Reject high Unicode metadata at command line 
Ghostscript 9.21 does not seem to accept Unicode above U+FFFF. Previous
versions did, but it now exits with a rangecheck error (-15).

Reject on the command line for now. Complete fix would also need to
check input PDF’s metadata.
 2017-03-28 11:08:38 -07:00
James R. Barlow a3e26e0498 Make —pdf-renderer tess4 more informative, less FUD 2017-03-24 12:58:40 -07:00
James R. Barlow f035cb1088 Fixed issue #142 — closed streams raise an exception on fork attempt 2017-03-13 15:52:57 -07:00
James R. Barlow d1a0065ef8 Create test case for Form XObjects 2017-02-14 12:51:15 -08:00
James R. Barlow 5a817370fd Warn more strongly about —pdf-renderer tesseract until fix is widely propagated 2017-02-14 11:33:07 -08:00
James R. Barlow a0657ad937 Prevent use of —pdf-renderer tess4 on tesseract 3 2017-02-06 13:49:43 -08:00
James R. Barlow 8c17c9918e Add documentation and test cases for —tesseract-config 
This parameter has existed for along time but never really got any
attention.
 2017-01-28 22:06:51 -08:00