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Author SHA1 Message Date
Johannes 'josch' Schauer
a9f4c9b665
release version 0.3.1 2018-08-04 15:44:45 +02:00
Johannes 'josch' Schauer
002c9c4466
CHANGES.rst: add release dates 2018-08-04 14:37:38 +02:00
Johannes 'josch' Schauer
198c98a5f9
make pep8 compliant 2018-08-01 22:28:44 +02:00
Johannes 'josch' Schauer
9395b6fbbe
README.md: comparison to other software 2018-08-01 22:14:14 +02:00
Johannes 'josch' Schauer
f5d8d86dff
Also do not re-encode CCITT Group 4 encoded TIFF images 
Add additional property of input images: inverted

closes: #47
 2018-08-01 22:12:40 +02:00
Johannes 'josch' Schauer
36c5034db5
Distribute LICENSE file in release tarball 2018-08-01 20:41:02 +02:00
Jakub Wilk
7131b3d6ee
Use printf(1) instead of non-portable "/bin/echo -ne" 2018-07-21 12:08:23 +02:00
Johannes 'josch' Schauer
b3fb2de5f6
src/img2pdf.py: fix spelling in --help output 2018-07-19 12:05:27 +02:00
Johannes 'josch' Schauer
4c5faf408f
README.md: restructure 2018-07-18 15:52:54 +02:00
Johannes 'josch' Schauer
2ad0c036b2
src/tests/input/mono.tif: set dpi to 72 2018-07-18 14:08:04 +02:00
Johannes 'josch' Schauer
1aa71e3746
release version 0.3.0 2018-07-18 11:30:43 +02:00
Johannes 'josch' Schauer
75c43de09d
Create a new PIL image before saving as TIFF to prevent libtiff errors 
closes: #46
 2018-07-18 01:58:03 +02:00
Johannes 'josch' Schauer
eec1a25a92
add test case for ccittfaxdecode 2018-07-18 01:55:48 +02:00
Johannes 'josch' Schauer
7de174f4b5
CCITTFaxDecode filter must be in an array 2018-07-18 01:55:48 +02:00
Johannes 'josch' Schauer
48d5b4d7af
CCITTGroup4 must return empty palette 2018-07-18 00:57:43 +02:00
Johannes 'josch' Schauer
ce68cb21d7
Add LICENSE file 
closes: #43
 2018-07-18 00:07:30 +02:00
Johannes 'josch' Schauer
d931f02709
src/tests/__init__.py: handle PNG input images properly 2018-07-18 00:05:15 +02:00
Johannes 'josch' Schauer
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
Johannes 'josch' Schauer
ac9ba1d0f6
handle monochrome png properly 2018-07-18 00:03:31 +02:00
Johannes 'josch' Schauer
eaf9de23c9
Filter must not be array for PNG output, so never make it an array 2018-07-17 23:59:55 +02:00
Johannes 'josch' Schauer
2a33ff275d
adapt test output to new handling of png input 2018-07-17 23:56:01 +02:00
Johannes 'josch' Schauer
ebd8d911bb
add test grayscale input png src/tests/input/gray.png 2018-07-17 16:57:44 +02:00
Johannes 'josch' Schauer
e7755f0a87
src/tests/input/normal.png: remove alpha channel 2018-07-17 16:57:44 +02:00
Johannes 'josch' Schauer
47a1e0c81e
src/img2pdf.py: do not use PNG encoding for CMYK input 2018-07-17 16:57:44 +02:00
Johannes 'josch' Schauer
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
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