Commit Graph

47 Commits

Author SHA1 Message Date
Michael R Sweet
790cd440ea
Fix up copying objects from unencrypted to AES-encrypted documents (still looks
like there are some issues with strings in dicts)
2021-10-25 21:22:59 -04:00
Michael R Sweet
038046e6d5
Save work on encrypted PDF reading. 2021-10-25 19:36:39 -04:00
Michael R Sweet
234c3a7381
Do some reorganization and start the implementation of decryption. 2021-10-24 10:59:25 -04:00
Michael R Sweet
dd56317635
Need object when reading/writing encrypted PDFs (to decrypt/encrypt strings),
RC4 writing is now working, AES-128 needs work, AES-256 hasn't been done yet.
2021-10-23 18:08:16 -04:00
Michael R Sweet
3af39d5d1f
Update crypto callback to return the number of output bytes (to account for AES
expansion).
2021-10-23 14:37:25 -04:00
Michael R Sweet
c24243a2bc
Refactor crypto callback to have separate input/output pointers. Add initial writing support. 2021-10-12 09:13:30 -04:00
Michael R Sweet
3de55421b5
New member names to specify type of value. 2021-10-10 22:40:42 -04:00
Michael R Sweet
61a7964d90
Implement pdfioFileSetPermissions. 2021-10-10 22:27:09 -04:00
Michael R Sweet
953de26f6b
Add random number generation support. 2021-10-09 23:05:39 -04:00
Michael R Sweet
2245c9d4f5
Move AES code to separate file, prep private API for making keys/contexts/callbacks for encryption. 2021-10-09 10:49:22 -04:00
Michael R Sweet
9c05f802fc
Add SHA-256 code from RFC 6234. 2021-10-08 18:55:25 -04:00
Michael R Sweet
7fe093f3bd
Save work on AES and RC4. 2021-10-04 21:13:01 -04:00
Michael R Sweet
d6746c08a4
Add pdfioFileCreateOutput API (Issue #21) 2021-09-27 07:41:50 -04:00
Michael R Sweet
87b9ea87ad
Save work on documentation. 2021-07-24 13:08:46 -04:00
Michael R Sweet
30343cdb00
Info catalog accessors (Issue #9) 2021-07-06 20:31:30 -04:00
Michael R Sweet
10c8d222cf
Test both CP1252 and Unicode font rendering.
Add cached CP1252 and Unicode font encoding objects.

Clean up CP1252 ("simple") TrueType font embedding.
2021-06-23 21:26:01 -04:00
Michael R Sweet
6f02bdd301 Initial Visual Studio support. 2021-06-21 11:39:06 -04:00
Michael R Sweet
a698b9c1a2
API cleanup, more work on documentation. 2021-06-07 08:34:30 -04:00
Michael R Sweet
3efb4f800b
Fix PNG predictor 12, 14, and 15. 2021-06-01 17:48:36 -04:00
Michael R Sweet
246c2e4b41
Rename as PDFio for consistency.
Add PDFio logo image.

Move documentation to "doc" subdirectory.
2021-05-30 07:10:44 -04:00
Michael R Sweet
a18b8fd606
Switch to using double for numbers, since they are also used to record lengths
and other potentially large contents.
2021-05-29 21:16:21 -04:00
Michael R Sweet
35d22705fa
Implement pdfioObjCopy and pdfioPageCopy, with tests. 2021-05-29 20:00:48 -04:00
Michael R Sweet
128d5f0d42
Implement JPEG image object support. 2021-05-25 16:31:32 -04:00
Michael R Sweet
548ff7d119
Initial writing support. 2021-05-16 11:39:05 -04:00
Michael R Sweet
17f2cc213e
Implement object mapping framework. 2021-05-13 13:18:01 -04:00
Michael R Sweet
18853ca3d5
Increase token buffer to 256 bytes, to avoid overflow scenarios.
Add _pdfioTokenFlush to manually flush the token buffer.

Add more debug printfs.
2021-05-10 17:37:57 -04:00
Michael R Sweet
cfb5ca0ddc
Rework error/debug output. 2021-05-10 08:40:52 -04:00
Michael R Sweet
9a919d478f
Rework token reading to be separate from the PDF file so we can add support
for compressed object streams.
2021-05-08 07:38:44 -04:00
Michael R Sweet
923409ceff
Save work on PNG predictors. Apparently object streams are also a common thing
for newer Acrobat so we'll need to implement those, too.
2021-05-07 19:51:38 -04:00
Michael R Sweet
44325ce2d9
Safe work on streams - still need to implement predictors 2021-05-07 08:47:49 -04:00
Michael R Sweet
c61d6ad686
Save work on streams. 2021-05-06 16:08:08 -04:00
Michael R Sweet
d2a0484d93
Rework debug functions, start xref stream support. 2021-05-06 09:51:48 -04:00
Michael R Sweet
7afdfc725c
Implement object loading. 2021-05-04 17:04:09 -04:00
Michael R Sweet
7733fbeb10
Rework object and xref processing to allow for sparse object lists and generation numbers. 2021-05-04 16:06:14 -04:00
Michael R Sweet
59ef6b48ed
Add some debug output, "debug" make target.
Fix loading of dicts, trailer.
2021-05-04 12:59:10 -04:00
Michael R Sweet
516c6b9ace
Load trailer dict. 2021-05-04 12:24:29 -04:00
Michael R Sweet
a5468b1b87
Implement value/array/dict reading, refactor indirect references. 2021-05-04 10:34:17 -04:00
Michael R Sweet
4b05ca6436
Token parsing code. 2021-05-01 22:38:11 -04:00
Michael R Sweet
e107b94c83
Work on token parsing. 2021-05-01 17:50:52 -04:00
Michael R Sweet
d13364a4fd
Implement pdfioFileOpen reading of xref table. 2021-05-01 11:41:43 -04:00
Michael R Sweet
3a80327646
Stub stream implementations. 2021-04-30 07:06:56 -04:00
Michael R Sweet
e2e2192ea9
Save work. 2021-04-27 21:22:34 -04:00
Michael R Sweet
11588ce2f5
Save work on low-level file I/O. 2021-04-26 10:42:01 -04:00
Michael R Sweet
253717248c
pdfio_dict_t implementation 2021-04-25 20:12:52 -04:00
Michael R Sweet
98c48e66c2
Add string array, have the pdfio_file_t object manage allocated data. 2021-04-25 11:28:56 -04:00
Michael R Sweet
899feb15c7
Start filling out internal APIs. 2021-04-16 21:09:43 -04:00
Michael R Sweet
7a6659038b
Initial checkin. 2021-04-10 08:00:52 -04:00