Commit Graph

78 Commits

Author SHA1 Message Date
c4e0421f62 Implement calibrated color support, including constants for a few standard
color spaces and a new color patch test page.

The grayscale test image from CUPS wasn't actually grayscale.
2021-05-31 09:31:00 -04:00
627b04d9f0 Only use cppcheck on Linux. 2021-05-30 12:58:36 -04:00
0d1c0cbb14 Fix clang/cppcheck commands. 2021-05-30 12:56:00 -04:00
1f0ca4fd5b Install cppcheck 2021-05-30 12:54:15 -04:00
38557db43e Add clang and cppcheck. 2021-05-30 12:51:26 -04:00
9f0346df6d Add math library. 2021-05-30 10:27:00 -04:00
28b3fa5bab Fix CI build flags. 2021-05-30 10:25:40 -04:00
1967974f00 Add Github workflow/sponsor info. 2021-05-30 10:22:56 -04:00
281f36cca4 Update logo. 2021-05-30 09:07:50 -04:00
e8bcde9cba Update name in README. 2021-05-30 07:43:35 -04:00
246c2e4b41 Rename as PDFio for consistency.
Add PDFio logo image.

Move documentation to "doc" subdirectory.
2021-05-30 07:10:44 -04:00
8bc538cc91 Update docos. 2021-05-29 21:27:49 -04:00
10ab119922 Initial documentation. 2021-05-29 21:21:45 -04:00
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
35d22705fa Implement pdfioObjCopy and pdfioPageCopy, with tests. 2021-05-29 20:00:48 -04:00
37842066c6 Add test fonts for future use. 2021-05-29 20:00:35 -04:00
f1fb09c6c0 Switch back to compressed page content streams. 2021-05-28 22:24:39 -04:00
94cb915885 Fix xref table - wrong total number of objects.
Update pdfioContentDrawImage to take x/y offsets and sizes.
2021-05-28 22:05:44 -04:00
fb853dadda Fix some issues with the core file writing code.
Add test images to the unit tests.
2021-05-28 10:41:21 -04:00
9cf024c1ce Move test PDF file to new testfiles subdirectory.
Ignore generated PDF files from unit test program.
2021-05-28 09:31:42 -04:00
128d5f0d42 Implement JPEG image object support. 2021-05-25 16:31:32 -04:00
eb4477ce9b Add content convenience functions. 2021-05-24 19:33:40 -04:00
0ae8ddc515 Save work. 2021-05-18 19:08:50 -04:00
45899f8a8d Default CropBox should be the full MediaBox. 2021-05-16 18:31:45 -04:00
35ea209c73 Initial unit tests for writing a PDF file. 2021-05-16 12:36:44 -04:00
548ff7d119 Initial writing support. 2021-05-16 11:39:05 -04:00
4bb81417a8 Start fleshing out writing/copying interfaces. 2021-05-15 09:29:37 -04:00
17f2cc213e Implement object mapping framework. 2021-05-13 13:18:01 -04:00
7cb4d0a557 Update TODOs. 2021-05-10 21:33:26 -04:00
b030c24ba1 Add pdfioObjGetArray. 2021-05-10 21:01:02 -04:00
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
cfb5ca0ddc Rework error/debug output. 2021-05-10 08:40:52 -04:00
67ed214c59 Restructure unit test program to include unit tests and alternate error handling.
Don't log all strings after adding one.

Don't trim string buffer after reading a token.
2021-05-10 08:00:27 -04:00
af8c731699 Update token reader to handle balanced parens and to allow arbitrary backslash escapes.
Update unit test to omit path information from filename.
2021-05-09 21:32:09 -04:00
5f43761537 Initial support for reading pages dictionary. 2021-05-08 22:50:18 -04:00
e1c145b10a Defer loading the Root, Info, and Encrypt objects until we have loaded all of
the xref tables.
2021-05-08 22:05:40 -04:00
4e4c47ab33 Add pdfioObjGetLength function. 2021-05-08 19:16:27 -04:00
f8f048b87a Implement Paeth predictor. 2021-05-08 19:04:42 -04:00
979ccf19ff Fix pdfioFileFindObject, fix cross-reference streams, implement support for
compressed object streams.
2021-05-08 11:21:49 -04:00
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
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
44325ce2d9 Safe work on streams - still need to implement predictors 2021-05-07 08:47:49 -04:00
c61d6ad686 Save work on streams. 2021-05-06 16:08:08 -04:00
d2a0484d93 Rework debug functions, start xref stream support. 2021-05-06 09:51:48 -04:00
c0b18a7e4f Fix pdfioStringCreate - was returning a char ** instead of a char *, causing
crashes/corruption.

Optimize dict allocation/sorting.

Add more values that are displayed by the testpdfio unit test program.
2021-05-05 13:51:42 -04:00
4abb91ca24 Save work on loading object dictionaries - have a memory issue someplace. 2021-05-04 21:31:58 -04:00
7afdfc725c Implement object loading. 2021-05-04 17:04:09 -04:00
7733fbeb10 Rework object and xref processing to allow for sparse object lists and generation numbers. 2021-05-04 16:06:14 -04:00
6287ede911 Update TODO. 2021-05-04 13:02:08 -04:00
59ef6b48ed Add some debug output, "debug" make target.
Fix loading of dicts, trailer.
2021-05-04 12:59:10 -04:00