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2b5f23a2d1f5303bb2bc8c1fe2a80cde88bca27d
Commit Graph
161 Commits
Author SHA1 Message Date
James R. Barlow 2b5f23a2d1 Add code to repair ToC with pikepdf 2018-05-16 21:39:23 -07:00
James R. Barlow 18595ca86a Use pikepdf for get_pdfmark 
It does fine.
 2018-05-16 12:24:35 -07:00
James R. Barlow d5fb275e9e Travis: hack in qpdf appimage version 
qpdf from appimage does not report its version with --version if renamed
or accessed via symlink. Use an environment variable to supply it
where needed.
 2018-05-15 17:45:58 -07:00
James R. Barlow 398e9e535e optimize: Changed pikepdf API 2018-05-15 16:29:57 -07:00
James R. Barlow 08bf651ef2 Refactor JBIG2 path for non-CCITT monochrome images 2018-05-15 15:32:15 -07:00
James R. Barlow 6171de41bf optimize: move a lot of image scanning code to pikepdf 2018-05-14 22:21:53 -07:00
James R. Barlow f0a56592e2 Pull JobContext out of pipeline.py to avoid circular reference 2018-05-14 14:01:25 -07:00
James R. Barlow 87a7d4d1a8 Another fitz failure - incorrect object reference introduced 
MuPDF/fitz changed some font references to point to table of contents
entries, corrupting the page.  It no longer gets to save.
 2018-05-14 13:58:49 -07:00
James R. Barlow c4ab01d63d Fix "AttributeError: 'ImageInfo' object has no attribute '_type'" 
Also deal with 'fixme' imagemask comment.

Also fix bpc incorrectly set to 8 by default on stencil masks.
 2018-05-12 12:14:57 -07:00
James R. Barlow 4ba3b3f55a Fix rotate_pages_threshold test failure 2018-05-12 11:47:46 -07:00
James R. Barlow 52d2706a9e optimize: Fix error causing many images to be skipped 2018-05-12 01:37:30 -07:00
James R. Barlow 964afc69f6 leptonica: ErrorTrap is an implementation detail 2018-05-12 01:21:45 -07:00
James R. Barlow 3ddf545ccd optimize: leptonica can fail to open PNG 
ERROR - Info in pixReadStreamPng: converting (cmap + alpha) ==> RGBA
Error in pixReadStreamPng: spp == 1, cmap, trans array, invalid depth: 4

To investigate later....
 2018-05-12 01:21:19 -07:00
James R. Barlow f9374733bb optimize: process ICCBased images that declare an /Alternate we recognize 2018-05-12 00:43:36 -07:00
James R. Barlow 5930135f45 optimize: Refactor naming helpers 2018-05-12 00:42:24 -07:00
James R. Barlow f03f6bc128 optimize: document problem with transcode free compressed image data 2018-05-11 23:43:06 -07:00
James R. Barlow 6c50c70235 Try to optimize paletted images 2018-05-11 23:42:26 -07:00
James R. Barlow 8790fc2c1b optimize: add knobs to control image quality but don't show the user yet 2018-05-11 23:41:49 -07:00
James R. Barlow f86c4fccf4 optimize: don't alter >8 bpc images 2018-05-11 22:31:24 -07:00
James R. Barlow 7d0785e9ed main: do better parameter validation 2018-05-11 22:31:09 -07:00
James R. Barlow 2cac88162c Ignore masks when deciding what color to rasterize at 2018-05-11 21:27:57 -07:00
James R. Barlow 4809627d8a Fix jbig2enc name 2018-05-11 17:51:08 -07:00
James R. Barlow 871979abd6 Temporarily unbreak without fitz mode 2018-05-11 17:32:15 -07:00
James R. Barlow d9bbb80a6b Don't try to run jbig2 when not available 2018-05-11 12:42:00 -07:00
James R. Barlow ac36a43cef Warn about --user-words not having any effect 
Might be available in full release of Tess4
 2018-05-11 02:31:07 -07:00
James R. Barlow 161b29a899 Check jbig2 when optimizing is requested 2018-05-11 02:11:01 -07:00
James R. Barlow 72253d09fa Add arguments to control optimization 2018-05-10 22:23:24 -07:00
James R. Barlow 40d09ddb23 Fix merge error in Leptonica 2018-05-10 21:17:47 -07:00
James R. Barlow 3026d86a9e Remove jbig2enc.py 2018-05-10 21:15:07 -07:00
James R. Barlow 0661a7edc3 Merge optimize 2018-05-10 21:05:32 -07:00
James R. Barlow 24b0adfacc Merge branch 'master' into develop 2018-05-10 20:54:55 -07:00
James R. Barlow 36a53a7b37 Weave: Unconditionally rotate and scale the text layerThis solves two issues. First, the text layer can end up being adifferent size, probably if the DPI is not an integer; scaling helps itfit slightly better. Second, other printable text on the page can end uphorizontally scaled or misaligned if we don't all of our drawing in aq/Q pair. 2018-05-10 19:03:31 -07:00
James R. Barlow 0a5982a902 PyMuPDF tweaks: don't clean 
In MuPDF 1.13 clean might be unreliable, so explicitly don't do it,
even though it doesn't cause trouble in 1.12.
 2018-05-10 18:50:52 -07:00
James R. Barlow 601863f9e9 Return to PyMuPDF 1.12.5 2018-05-10 18:47:10 -07:00
James R. Barlow c9ce731119 Fix DPI mismatch between OCR page and source page 2018-05-10 17:34:08 -07:00
James R. Barlow 63032d304d Revert "Since PyMuPDF 1.13.3 corrupts text, pin 1.12.5 and work around it" 
This reverts commit b0ce7c63dd.
 2018-05-10 16:27:17 -07:00
James R. Barlow a57ecede78 Refactor textareas to remove duplicate code 2018-05-10 16:26:52 -07:00
James R. Barlow b0ce7c63dd Since PyMuPDF 1.13.3 corrupts text, pin 1.12.5 and work around it 2018-05-10 16:10:24 -07:00
James R. Barlow d139a11c16 Weave: periodically save to prevent indefinite growth of open file list 2018-05-10 15:08:57 -07:00
James R. Barlow aef043db0b Revise parameter validation for output-type, pdf-renderer, lang 2018-05-10 14:53:22 -07:00
James R. Barlow b8f3ead541 Remove tesseract renderer entirely 
Grafting lets us work with older Tesseract versions as if they could use
sandwich, so there is no point in keeping it. It's been deprecated for a
long time now anyway.
 2018-05-10 14:06:13 -07:00
James R. Barlow e0bb898f29 Remove hocr debug renderer (-g) 
The fact that this produces additional pages makes it a maintenance
burden. hocr can be debugged using hocrtransform.
 2018-05-10 13:48:39 -07:00
James R. Barlow 45336c7c28 textareas: filter out images 2018-05-10 01:17:28 -07:00
James R. Barlow 20aabb2e83 When deciding if there is a text on a page, ignore the margins 
Margins may include watermarks or digital stamps on otherwise
text-free pages.
 2018-05-10 01:16:11 -07:00
James R. Barlow da80d3f354 Add unconditional (for now) whiteout of text areas 2018-05-07 17:37:46 -07:00
James R. Barlow 9226f8a5d1 Trap PDF/A-3 errors on old Ghostscript 2018-05-04 15:29:43 -07:00
James R. Barlow 5c8a007f3e Fix failure to prevent use of Ghostscript on /UserUnit files 2018-05-04 13:34:34 -07:00
James R. Barlow b3ad3e297d v6.2.0 fixes 2018-05-03 17:04:23 -07:00
James R. Barlow 7cf83c77ca Merge branch 'feature/pdfa3' 2018-05-03 16:45:57 -07:00
James R. Barlow 8a9f174f63 Fix XMP validation issue with /CreationDate 
Related to previous validation issue. If the /CreationDate had no
timezone, Ghostscript also creates invalid metadata. Work around this.
Also fix up PDF date decoding, and transcode dates to standardize them.
 2018-05-03 16:30:20 -07:00