5 Commits

Author SHA1 Message Date
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
Adrian-George Bostan
9de5fe644e
Add PdfFont text encoding methods (#257)
* Add PdfFont method for encoding runes to charcode bytes
* Add getter method for CMap nbits
* Take CMap nbits into account when encoding text
* Adapt font test cases to include text encoding testing
2020-02-17 22:54:20 +00:00
Adrian-George Bostan
e2b3c6e6ba
Add predefined CMaps for Type 0 composite fonts (#246)
* Add packed predefined cmaps
* Add cmap cid range parsing
* Load base cmap for predefined cmaps
* Refactor pdfFont to Unicode methods
* Preserve CharcodeBytesToUnicode behavior
* Add support for CID-keyed Type 0 fonts
* Add method documentation for the cmap package
* Refactor and document charcode to Unicode conversion code
* Add more cmap parsing test cases
* Add more method documentation in the cmap package.
* Remove unused code from the bcmaps package
* Improve cmap test case
* Assume identity when encoder is missing on regenerating field appearance
* Add missing encoder log message
* Add inverse CMap mappings
* Add CMap encoder
* Address golint notices and small fix in the cmap package
* Keep smaller charcodes when generating cmap inverse mappings
* Update extractor test case
* Keep latest supplement charcodes/CIDs when computing inverse mappings
* Fix comment typo
2020-02-07 19:56:30 +00:00
Adrian-George Bostan
23aec77478 Add basic support for UTF-16 text encodings (#203)
* Add UTF-16 text encoder
2019-11-28 00:47:00 +00:00
Adrian-George Bostan
c64812093d Remmove pdf folder and move packages up one level (#2) 2019-05-16 20:44:51 +00:00