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a2d62938ce2c6a9fd98a5ecf50c841e928f0c244
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398 Commits
Author SHA1 Message Date
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 1467d118ab Add more leptonica functions 2017-09-06 00:27:02 -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 93a954ef9f Fix missing import for Py3.5 2017-07-26 23:40:01 -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 71fbad83ad Fix py3.5 test 2017-07-21 17:01:06 -07:00
James R. Barlow 1aa34f5d2e Make some interfaces accepting of both str-paths and Path objects 2017-07-21 13:28:30 -07:00
James R. Barlow dfa1d88ce9 Fix missing user_words/user_patterns from textonly_pdf case 2017-07-20 17:14:04 -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 cd1a99a0de Refactor int(os.path.basename(s)[0:6]) -> page_number(s) 2017-06-26 13:29:40 -07:00
James R. Barlow 48e3b267fc Accept PDFs with whitespace ahead of %PDF marker 
Noticed in @aagahi 's fork
 2017-06-26 13:17:47 -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 d3c54fbbde For —rotate-pages, rasterize preview at half DPI instead of 200 DPI 
Ensures that time is not wasted on previews at higher resolution than
the input as was sometimes the case
 2017-05-29 13:01:18 -07:00
James R. Barlow 1d57bcc99e Fix Ghostscript rasterizing of UserUnit pages and related sizing issues 2017-05-29 12:14:10 -07:00
James R. Barlow facdd13879 Ghostscript: refactor image output resizing 2017-05-29 11:42:27 -07:00
James R. Barlow 6e891f91d3 ghostscript, qpdf: Restore API backward compatibility 2017-05-29 11:13:06 -07:00
James R. Barlow 9b50ede977 Partially solve ghostscript rasterize_pdf producing wrong file size 
Kludge. Assumes JPEG for now. Messy.
 2017-05-25 01:17:43 -07:00
James R. Barlow 82cf010333 Error out if trying to produce PDF/A >200” due to Ghostscript limitation 2017-05-25 00:07:29 -07:00
James R. Barlow 6ff6c8614f —output-type=pdf now outputs /UserUnit PDFs at the correct size 
This currently distorts the output size because Tesseract assumes it
 knows the DPI better than we do.

Does not work for Ghostscript, because it emerges that Ghostscript
honors /UserUnit for rasterizing but not in pdfwrite (resolve/wontfix).

https://bugs.ghostscript.com/show_bug.cgi?id=690781

Ghostscript’s output would need to be patched in a PDF/A safe way for
this to work. Temporary route may be to block Ghostscript if
/UserUnit.
 2017-05-24 23:26:07 -07:00
James R. Barlow eb1cd38f6c Add an open helper that is compatible with pathlib 2017-05-24 16:19:15 -07:00
James R. Barlow 148b632b4f Prove multiprocessing works, although it is still racy in some places 2017-05-23 16:32:13 -07:00
James R. Barlow d9005a1074 pdfinfo: replace most remaining dict-style access 2017-05-19 16:17:36 -07:00
James R. Barlow 3e73fa81bf pageinfo: deprecation warning 2017-05-19 16:17:07 -07:00
James R. Barlow ba6e290231 Restore old pageinfo.py to avoid breaking compatibility 2017-05-19 15:49:23 -07:00
James R. Barlow 08e47117a3 Rename pageinfo to pdfinfo 2017-05-19 15:48:23 -07:00
James R. Barlow 532ef38157 /UserUnit is a scalar, not an array 2017-05-19 14:19:50 -07:00
James R. Barlow 4c04d802d7 Introduce /UserUnit checking 2017-05-19 12:01:19 -07:00
James R. Barlow 8694f8d2eb Replace magic strings colorspace and encoding with Enums 2017-05-18 22:32:27 -07:00
James R. Barlow 263f9b79f4 pageinfo: debug stuff 2017-05-18 21:52:55 -07:00
James R. Barlow 56d2aae963 Refactor from ImageInfo index to attribute accessing 2017-05-18 18:39:14 -07:00
James R. Barlow 127706153d Refactor dictionary based image info to ImageInfo 2017-05-18 18:26:31 -07:00
James R. Barlow caee5b1428 Access PageInfo instance variables instead of dictionary 2017-05-18 17:12:04 -07:00
James R. Barlow 6c12e7e944 Refactor pageinfo dictionary to PageInfo() 2017-05-18 16:53:38 -07:00
James R. Barlow cd04ae6949 Refactor PdfInfo(str(filename)) -> PdfInfo(filename) 2017-05-18 16:43:50 -07:00
James R. Barlow 6a0b68298f Refactor pdf_get_all_pageinfo to PdfInfo 2017-05-18 16:31:18 -07:00
James R. Barlow 131a5b741d tesseract.py: update canned HOCR template to tess 3.05 output 
Seems better to not claim the existence of several entities that don’t
exist as the older one does
 2017-05-14 23:40:09 -07:00
James R. Barlow 65b89687a9 ghostscript: fix missing “import sys”, only applicable for an exception 2017-05-14 23:38:52 -07:00
James R. Barlow 048ae40e75 Update copyrights 2017-05-14 23:38:28 -07:00
James R. Barlow 234183ecd2 Fix: Tesseract 3.04 is sensitive to order of configuration commands 
“txt hocr” is not acceptable and does not produce expected output .txt
while “hocr text” works fine, so switch the order everywhere.

Should fix #169
 2017-05-14 23:27:46 -07:00
James R. Barlow b1f79e4d97 Disable other use redo_ocr 2017-05-12 13:24:30 -07:00
James R. Barlow 115d6df94f Warn user when —image-dpi is supplied but ignored 2017-05-12 12:09:53 -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 8f91acf956 Remove Tesseract 3.02 and 3.03 compatibility shims 2017-05-11 23:50:52 -07:00
James R. Barlow 56e6ed1249 Fix missing import; all tests passing! 2017-05-11 23:28:05 -07:00
James R. Barlow 0dae1602c7 Fix missing import PIPE 2017-05-11 23:07:20 -07:00