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273 commits

Author SHA1 Message Date
ce68cb21d7
Add LICENSE file
closes: #43
2018-07-18 00:07:30 +02:00
d931f02709
src/tests/__init__.py: handle PNG input images properly 2018-07-18 00:05:15 +02:00
b99fae1380
src/tests/__init__.py: don't test for color space now that we support palette PNGs 2018-07-18 00:04:30 +02:00
ac9ba1d0f6
handle monochrome png properly 2018-07-18 00:03:31 +02:00
eaf9de23c9
Filter must not be array for PNG output, so never make it an array 2018-07-17 23:59:55 +02:00
2a33ff275d
adapt test output to new handling of png input 2018-07-17 23:56:01 +02:00
ebd8d911bb
add test grayscale input png src/tests/input/gray.png 2018-07-17 16:57:44 +02:00
e7755f0a87
src/tests/input/normal.png: remove alpha channel 2018-07-17 16:57:44 +02:00
47a1e0c81e
src/img2pdf.py: do not use PNG encoding for CMYK input 2018-07-17 16:57:44 +02:00
3142824bab
src/tests/__init__.py: do not test animation.gif with pdfrw because it doesn't support hexadecimal palette data 2018-07-17 16:57:44 +02:00
84ce9bbd9c
src/img2pdf.py: do not allow transparency 2018-07-17 16:57:44 +02:00
90293204b2
src/img2pdf.py: use logging.warning because warn() is deprecated 2018-07-17 16:07:01 +02:00
d09aa76c9e
README.md: remove ambiguous section about lossless compression 2018-06-16 16:56:01 +02:00
ade5768d72
src/img2pdf.py: expand error message about alpha channel 2018-03-27 10:39:24 +02:00
920506b867
Reflect the fact that we now use PNG compression in the --help output 2018-03-24 19:53:41 +01:00
e78dd80451
Add option --pillow-limit-break to force Pillow to accept large input images 2018-03-24 19:47:03 +01:00
d9a6c9db03
Interlaced PNGs cannot be directly embedded but have to be re-encoded 2018-03-24 18:59:02 +01:00
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
1d9a25dfd2
Proof of concept of using PDF DecodeParms for storing pixel data with PNG compression 2018-03-15 11:31:36 +01:00
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
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
45cea44fac README.md: use pip3 instead of pip 2017-01-28 19:09:03 +01:00
fe86469c6c README.md: Improve wording 2017-01-20 09:43:42 +01:00
16993964ce restore pep8 compliance 2017-01-20 09:19:30 +01:00
7df29a9acc Allow to call get_layout_fun with less parameters by specifying defaults 2017-01-20 09:15:02 +01:00
44ce296581 README.md: add more examples of how to use the library 2017-01-20 09:14:36 +01:00
e1b2adf70a MANIFEST.in: also distribute tif and gif test cases 2017-01-20 08:49:18 +01:00
b9d95bed14 MANIFEST.in: also distribute CHANGES.rst 2017-01-20 08:48:51 +01:00
60b2e2206a Add multiframe gif (animated gif) test case 2017-01-20 08:48:16 +01:00
8476e333cd src/tests/__init__.py: add support for multiframe gif tests 2017-01-20 08:47:58 +01:00
e20fe4944c release version 0.2.3 2017-01-20 05:47:06 +01:00
1513ab3421 release version 0.2.2 2017-01-20 05:23:40 +01:00
68d67508b4 setup.py: bump python version to 3.5 2017-01-20 05:21:27 +01:00
4040e907a3 Make --help output more friendly to help2man 2017-01-20 05:17:23 +01:00
ef36e86a46 Fix default of --producer argument in --help output to include version 2017-01-20 04:46:26 +01:00
e4b6854eb5 src/tests/output/mono.png.pdf: remove the /Producer field 2017-01-20 04:45:30 +01:00
fbeecd2301 Allow to not add the /Producer field to the metadata 2017-01-20 04:45:14 +01:00
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
7c90b2c451 restore backwards compatibility and allow passing images as a list 2017-01-19 20:32:16 +01:00
962d4dbdfb Make pep8 compliant again 2017-01-19 11:22:08 +01:00