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66 Commits

Author SHA1 Message Date
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e274047f4f prepare release 2022-12-15 21:59:56 +00:00
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32d9f2f65f prepare release 2022-10-27 19:04:58 +00:00
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9a2a3ba8f6 prepare release 2021-03-13 21:28:23 +00:00
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ec282cd9c5 prepare release 2020-12-06 13:03:03 +00:00
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bafd659395 prepare release 2020-11-23 22:15:56 +00:00
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79e32364de prepare release 2020-11-11 18:48:37 +00:00
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22540b937c prepare release 2020-10-19 10:58:10 +00:00
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56a210342e prepare release 2020-10-12 14:17:59 +00:00
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87cbc66cbd prepare release 2020-10-05 19:28:24 +00:00
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22ca2c0eed prepare release 2020-09-28 23:18:17 +00:00
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9107a86674 prepare release 2020-09-21 01:20:10 +00:00
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b991a36456 prepare release 2020-09-14 09:32:45 +00:00
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fd3b669a36 prepare release 2020-09-07 00:23:12 +00:00
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61b6580cb9 prepare release 2020-08-31 21:12:07 +00:00
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1501d07a74 prepare release 2020-08-27 21:45:09 +00:00
Gunnsteinn Hall
11f692bc3a
Font subsetting and font optimization improvements (#362) 
* Track runes in IdentityEncoder (for subsetting), track decoded runes

* Working with the identity encoder in font_composite.go

* Add GetFilterArray to multi encoder.  Add comments.

* Add NewFromContents constructor to extractor only requiring contents and resources

* golint fixes

* Optimizer compress streams - improved detection of raw streams

* Optimize - CleanContentStream optimizer that removes redundant operands

* WIP Optimize - clean fonts

Will support both font file reduction and subsetting. (WIP)

* Optimize - image processing - try combined DCT and Flate

* Update options.go

* Update optimizer.go

* Create utils.go for optimize with common methods needed for optimization

* Optimizer - add font subsetting method

Covers XObject Forms, annotaitons etc.  Uses extractor package to extract text marks covering what fonts and glyphs are used.  Package truetype used for subsetting.

* Add some comments

* Fix cmap parsing rune conversion

* Error checking for extractor.  Add some comments.

* Update Jenkinsfile

* Update modules
 2020-06-16 21:19:10 +00:00
Adrian-George Bostan
d605803bd2
Prevent panics (#305) 
* Remove panic on font nil Differences array

* Remove unused bcmaps function

* Remove panics from the core/security/crypt package

* Fix extractor invalid Do operand crash

* Fix TTF parser crash for invalid hhea number of hMetrics

* Remove ECB crypt panics

* Remove standard_r6 panics

* Remove panic from render package
 2020-04-14 21:09:16 +00:00
Jacek Kucharczyk
ad0b31ea1b
Optimizer fix for the CCITTFax Encoder. ISS #243. Fixes JBIG2 i386 architecture compile issue. (#297) 
* Fixed issue #243. Added optimize integration tests.

* Minor style change.

* XObjImage getParamsDict updates Columns and Rows.

* Added doc file for the optimize/tests package.

* UpdateParams for CCITTFax Encoder accepts Width and Height also. Removed 
GetParamsDict Columns and Rows parameters from model.Image and 
model.XObjImage.

* Fix i386 issue for the jbig2 arithmetic encoder.

* Added 386 architecture to the .travis/cross_build.sh
 2020-04-08 11:11:49 +00:00
Jacek Kucharczyk
29efa30439
JBIG2 Encoder support for inserting binary images into PDF (#288) 
* Added JBIG2 PDF support
* Added JBIG2 Encoder binary image requirements
* PR #288 revision r1 fixes
* PR #288 revision r2 fixes
 2020-04-03 20:54:59 +00:00
Jacek Kucharczyk
c582323a8f
JBIG2 Generic Encoder (#264) 
* Prepared skeleton and basic component implementations for the jbig2 encoding.

* Added Bitset. Implemented Bitmap.

* Decoder with old Arithmetic Decoder

* Partly working arithmetic

* Working arithmetic decoder.

* MMR patched.

* rebuild to apache.

* Working generic

* Working generic

* Decoded full document

* Update Jenkinsfile go version [master] (#398)

* Update Jenkinsfile go version

* Decoded AnnexH document

* Minor issues fixed.

* Update README.md

* Fixed generic region errors. Added benchmark. Added bitmap unpadder. Added Bitmap toImage method.

* Fixed endofpage error

* Added integration test.

* Decoded all test files without errors. Implemented JBIG2Global.

* Merged with v3 version

* Fixed the EOF in the globals issue

* Fixed the JBIG2 ChocolateData Decode

* JBIG2 Added license information

* Minor fix in jbig2 encoding.

* Applied the logging convention

* Cleaned unnecessary imports

* Go modules clear unused imports

* checked out the README.md

* Moved trace to Debug. Fixed the build integrate tag in the document_decode_test.go

* Initial encoder skeleton

* Applied UniPDF Developer Guide. Fixed lint issues.

* Cleared documentation, fixed style issues.

* Added jbig2 doc.go files. Applied unipdf guide style.

* Minor code style changes.

* Minor naming and style issues fixes.

* Minor naming changes. Style issues fixed.

* Review r11 fixes.

* Added JBIG2 Encoder skeleton.

* Moved Document and Page to jbig2/document package. Created decoder package responsible for decoding jbig2 stream.

* Implemented raster functions.

* Added raster uni low test funcitons.

* Added raster low test functions

* untracked files on jbig2-encoder: c869089 Added raster low test functions

* index on jbig2-encoder: c869089 Added raster low test functions

* Added morph files.

* implemented jbig2 encoder basics

* JBIG2 Encoder - Generic method

* Added jbig2 image encode ttests, black/white image tests

* cleaned and tested jbig2 package

* unfinished jbig2 classified encoder

* jbig2 minor style changes

* minor jbig2 encoder changes

* prepared JBIG2 Encoder

* Style and lint fixes

* Minor changes and lints

* Fixed shift unsinged value build errors

* Minor naming change

* Added jbig2 encode, image gondels. Fixed jbig2 decode bug.

* Provided jbig2 core.DecodeGlobals function.

* Fixed JBIG2Encoder `r6` revision issues.

* Removed public JBIG2Encoder document.

* Minor style changes

* added NewJBIG2Encoder function.

* fixed JBIG2Encoder 'r9' revision issues.

* Cleared 'r9' commented code.

* Updated ACKNOWLEDGEMENETS. Fixed JBIG2Encoder 'r10' revision issues.

Co-authored-by: Gunnsteinn Hall <gunnsteinn.hall@gmail.com>
 2020-03-27 11:47:41 +00:00
Peter Williams
7a042275de Write out multi-encoder filters correctly 2020-03-19 19:12:05 +11:00
Gunnsteinn Hall
fd4f4b0a02
Make sure to stop seeking when reach beginning of file (#254) 
* Fix infinite loop bug when looking for EOF
* Add testcases for EOF parsing
 2020-02-11 20:09:34 +00:00
Adrian-George Bostan
d521de9643 Add tolerance for seeking EOF marker between read data buffers 2020-01-22 20:56:03 +02:00
Adrian-George Bostan
fea1a6a421 Extend buffer used for searching EOF marker 2020-01-20 17:27:52 +02:00
Gunnsteinn Hall
2b92598d16
Merge pull request #216 from sprucehealth/unify-number-parsing 
Unify and optimize number parsing
 2020-01-14 20:14:40 +00:00
Adrian-George Bostan
002f0d11d7 Attempt decryption for invalid crypt filter dictionary type 2020-01-13 22:11:15 +02:00