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Author SHA1 Message Date
Johannes 'josch' Schauer
84ce9bbd9c
src/img2pdf.py: do not allow transparency 2018-07-17 16:57:44 +02:00
Johannes 'josch' Schauer
90293204b2
src/img2pdf.py: use logging.warning because warn() is deprecated 2018-07-17 16:07:01 +02:00
Johannes 'josch' Schauer
d09aa76c9e
README.md: remove ambiguous section about lossless compression 2018-06-16 16:56:01 +02:00
Johannes 'josch' Schauer
ade5768d72
src/img2pdf.py: expand error message about alpha channel 2018-03-27 10:39:24 +02:00
Johannes 'josch' Schauer
920506b867
Reflect the fact that we now use PNG compression in the --help output 2018-03-24 19:53:41 +01:00
Johannes 'josch' Schauer
e78dd80451
Add option --pillow-limit-break to force Pillow to accept large input images 2018-03-24 19:47:03 +01:00
Johannes 'josch' Schauer
d9a6c9db03
Interlaced PNGs cannot be directly embedded but have to be re-encoded 2018-03-24 18:59:02 +01:00
Johannes 'josch' Schauer
7244d2c6ed
Disallow input images with alpha channel as it cannot be preserved in the PDF and would thus make img2pdf not lossless 2018-03-24 18:55:14 +01:00
Johannes 'josch' Schauer
1d9a25dfd2
Proof of concept of using PDF DecodeParms for storing pixel data with PNG compression 2018-03-15 11:31:36 +01:00
Johannes 'josch' Schauer
9836b976d3 src/img2pdf.py: handle Pillow returning a DPI of zero (closes: #36) 2017-10-18 10:34:59 +02:00
James R. Barlow
a8269391e9 Implement /UserUnit scaling to support oversized PDFs 
The original PDF specification supported a maximum of 200x200" pages or
14400 PDF units. In PDF 1.6 rather than remove this limitation, Adobe
added the /UserUnit field for pages, which allows one to specify the
scaling that should be applied for user-facing numbers, while keeping
the internal limit of 14400 units.

Many real-world designs are larger than 200" in one direction. One
example is tractor feed or rolled paper which may be easier to scan in
one continuous run rather than segment into pages.

/UserUnit is independent of the pixel size and resolution of the image.

/UserUnit can also indicate very small page sizes but this is not
implemented here.
 2017-08-20 21:19:23 +09:00
James R. Barlow
b54617de19 Fix rawdata[:12] bytes/str comparison 2017-08-20 21:11:32 +09:00
Adam Groszer
0e76a5bd97 fixing a slew of python 2 issues 2017-08-07 11:21:42 +02:00
Johannes 'josch' Schauer
725462462b release version 0.2.4 2017-05-23 17:53:19 +02:00
Stephan Richter
f626d7860f Produce port that is fully API compatible. 2017-05-23 17:51:17 +02:00
Stephan Richter
06560cd0d4 It is easy enough to create a separate class for the Py2 version. 2017-05-22 19:34:39 +02:00
Stephan Richter
719928f5f5 Declare file encoding, since it contains some non-ascii chars. 2017-05-22 19:34:39 +02:00
Stephan Richter
b25098c3f0 Python 2 does not automatically convert integers to floats, so we have to be a bit more explicit. 2017-05-22 19:34:34 +02:00
Stephan Richter
18d637ea34 Make sure we are using the correct IO class in Python 2. 2017-05-22 12:31:52 -04:00
Stephan Richter
162721b88e Properly setup additional Python 2.7 and PyPy support. Note that Py2 does not have enum, but thankfully somone ported it already. 2017-05-22 12:30:40 -04:00
Stephan Richter
2455ba6e62 Test all Python versions using tox. 2017-05-22 12:29:53 -04:00
Johannes 'josch' Schauer
45cea44fac README.md: use pip3 instead of pip 2017-01-28 19:09:03 +01:00
Johannes 'josch' Schauer
fe86469c6c README.md: Improve wording 2017-01-20 09:43:42 +01:00
Johannes 'josch' Schauer
16993964ce restore pep8 compliance 2017-01-20 09:19:30 +01:00
Johannes 'josch' Schauer
7df29a9acc Allow to call get_layout_fun with less parameters by specifying defaults 2017-01-20 09:15:02 +01:00
Johannes 'josch' Schauer
44ce296581 README.md: add more examples of how to use the library 2017-01-20 09:14:36 +01:00
Johannes 'josch' Schauer
e1b2adf70a MANIFEST.in: also distribute tif and gif test cases 2017-01-20 08:49:18 +01:00
Johannes 'josch' Schauer
b9d95bed14 MANIFEST.in: also distribute CHANGES.rst 2017-01-20 08:48:51 +01:00
Johannes 'josch' Schauer
60b2e2206a Add multiframe gif (animated gif) test case 2017-01-20 08:48:16 +01:00
Johannes 'josch' Schauer
8476e333cd src/tests/__init__.py: add support for multiframe gif tests 2017-01-20 08:47:58 +01:00
Johannes 'josch' Schauer
e20fe4944c release version 0.2.3 2017-01-20 05:47:06 +01:00
Johannes 'josch' Schauer
1513ab3421 release version 0.2.2 2017-01-20 05:23:40 +01:00
Johannes 'josch' Schauer
68d67508b4 setup.py: bump python version to 3.5 2017-01-20 05:21:27 +01:00
Johannes 'josch' Schauer
4040e907a3 Make --help output more friendly to help2man 2017-01-20 05:17:23 +01:00
Johannes 'josch' Schauer
ef36e86a46 Fix default of --producer argument in --help output to include version 2017-01-20 04:46:26 +01:00
Johannes 'josch' Schauer
e4b6854eb5 src/tests/output/mono.png.pdf: remove the /Producer field 2017-01-20 04:45:30 +01:00
Johannes 'josch' Schauer
fbeecd2301 Allow to not add the /Producer field to the metadata 2017-01-20 04:45:14 +01:00
Johannes 'josch' Schauer
f94684c8ea If input to convert() doesn't have a write() member, then it must be str or bytes type 2017-01-19 20:32:46 +01:00
Johannes 'josch' Schauer
7c90b2c451 restore backwards compatibility and allow passing images as a list 2017-01-19 20:32:16 +01:00
Johannes 'josch' Schauer
962d4dbdfb Make pep8 compliant again 2017-01-19 11:22:08 +01:00
Johannes 'josch' Schauer
c2f43a579e src/tests/output/mono.png.pdf: remove timestamps 2017-01-19 09:02:16 +01:00
James R. Barlow
eedf73e73e Add test cases for CCITT G4 2016-07-22 07:09:35 +02:00
James R. Barlow
c27505486e Break out TIFF G4 transcoding into its own function 2016-07-22 07:09:24 +02:00
James R. Barlow
95f84f97bc Implement automatic monochrome CCITT Group4 encoding via Pillow/libtiff 2016-07-22 07:09:07 +02:00
Jakub Wilk
0fe30a62d9 fix typos 2016-06-10 17:02:38 +01:00
Johannes 'josch' Schauer
e05d2992e0 src/tests/__init__.py: adapt testcases for last commit 2016-05-26 18:11:42 +02:00
Johannes 'josch' Schauer
d78b2cbdbc Fix bug where horizontal and vertical borders where switched when page size was also given. Thanks Erik./a.out| sox -c 1 -e unsigned-integer -r 8000 -t u8 - -d --buffer 32 Closes #30 2016-05-26 08:19:34 +02:00
josch
c29df64cd8 Merge branch 'update-version' into 'master' 
update version according to release



See merge request !3
 2016-05-25 17:43:32 +02:00
Andrey Gursky
c704e657cc update version according to release 2016-05-11 21:39:21 +02:00
Johannes 'josch' Schauer
c3e1662649 release version 0.2.1 2016-05-04 23:00:08 +02:00