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42f8ac54a8
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Allow CCITT Group4 input without rows-per-strip (closes: #48)
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2018-11-20 16:30:14 +01:00 |
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d4700dbf38
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test.sh: add comment about dct decoding method
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2018-08-27 11:42:37 +02:00 |
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bd55ac5a45
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test.sh: implement EXIT trap
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2018-08-27 08:17:06 +02:00 |
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2f3394a1cb
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Add extensive test suite test.sh
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2018-08-20 10:28:14 +02:00 |
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50a3109c43
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src/img2pdf.py: do not overwrite imgformat variable in loop as this will then affect later loop iterations and we need to retain its original value
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2018-08-20 10:27:27 +02:00 |
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03bdc33053
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src/img2pdf.py: be more explicit when embedding group4 from TIFF
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2018-08-20 10:26:39 +02:00 |
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b758b54ce8
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src/img2pdf.py: Disallow TIFF input with more than 8 bits per sample because PIL will silently convert it to 8 bits per sample
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2018-08-20 10:25:39 +02:00 |
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a2b969640a
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src/img2pdf.py: assign the default dpi to tiff images where PIL returned its default of (1,1)
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2018-08-20 10:24:31 +02:00 |
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8961c78dbf
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src/img2pdf.py: add commented-out debugging option for PIL's TiffImagePlugin
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2018-08-20 10:23:23 +02:00 |
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6c44d8cea6
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src/img2pdf.py: add more rationale behind palette encoding
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2018-08-20 10:21:18 +02:00 |
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c0ed810036
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src/img2pdf.py: work around PIL not reporting a colorspace for 16bit grayscale PNGs
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2018-08-17 12:57:46 +02:00 |
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ccca845606
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src/img2pdf.py: Read bits per sample from PNG to support PNG images with 1, 2, 4 or 16 bits per sample
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2018-08-17 12:55:55 +02:00 |
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53685934f9
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src/img2pdf.py: also reject palette images with transparency
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2018-08-17 07:27:15 +02:00 |
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ba5a9a1dfc
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Allow multipage CCITT group 4 TIFF images
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2018-08-16 00:23:18 +02:00 |
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a628ed22f9
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Add more debugging output
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2018-08-16 00:11:07 +02:00 |
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fbcaca5e6b
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big endian encoded TIFF files may have FillOrder set to lsb-to-msb and must have the bits of each byte reversed
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2018-08-16 00:10:46 +02:00 |
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a9f4c9b665
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release version 0.3.1
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2018-08-04 15:44:45 +02:00 |
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002c9c4466
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CHANGES.rst: add release dates
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2018-08-04 14:37:38 +02:00 |
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198c98a5f9
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make pep8 compliant
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2018-08-01 22:28:44 +02:00 |
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9395b6fbbe
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README.md: comparison to other software
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2018-08-01 22:14:14 +02:00 |
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f5d8d86dff
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Also do not re-encode CCITT Group 4 encoded TIFF images
Add additional property of input images: inverted
closes: #47
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2018-08-01 22:12:40 +02:00 |
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36c5034db5
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Distribute LICENSE file in release tarball
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2018-08-01 20:41:02 +02:00 |
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Jakub Wilk
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7131b3d6ee
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Use printf(1) instead of non-portable "/bin/echo -ne"
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2018-07-21 12:08:23 +02:00 |
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b3fb2de5f6
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src/img2pdf.py: fix spelling in --help output
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2018-07-19 12:05:27 +02:00 |
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4c5faf408f
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README.md: restructure
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2018-07-18 15:52:54 +02:00 |
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2ad0c036b2
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src/tests/input/mono.tif: set dpi to 72
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2018-07-18 14:08:04 +02:00 |
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1aa71e3746
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release version 0.3.0
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2018-07-18 11:30:43 +02:00 |
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75c43de09d
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Create a new PIL image before saving as TIFF to prevent libtiff errors
closes: #46
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2018-07-18 01:58:03 +02:00 |
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eec1a25a92
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add test case for ccittfaxdecode
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2018-07-18 01:55:48 +02:00 |
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7de174f4b5
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CCITTFaxDecode filter must be in an array
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2018-07-18 01:55:48 +02:00 |
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48d5b4d7af
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CCITTGroup4 must return empty palette
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2018-07-18 00:57:43 +02:00 |
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ce68cb21d7
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Add LICENSE file
closes: #43
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2018-07-18 00:07:30 +02:00 |
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d931f02709
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src/tests/__init__.py: handle PNG input images properly
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2018-07-18 00:05:15 +02:00 |
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b99fae1380
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src/tests/__init__.py: don't test for color space now that we support palette PNGs
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2018-07-18 00:04:30 +02:00 |
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ac9ba1d0f6
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handle monochrome png properly
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2018-07-18 00:03:31 +02:00 |
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eaf9de23c9
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Filter must not be array for PNG output, so never make it an array
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2018-07-17 23:59:55 +02:00 |
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2a33ff275d
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adapt test output to new handling of png input
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2018-07-17 23:56:01 +02:00 |
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ebd8d911bb
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add test grayscale input png src/tests/input/gray.png
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2018-07-17 16:57:44 +02:00 |
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e7755f0a87
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src/tests/input/normal.png: remove alpha channel
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2018-07-17 16:57:44 +02:00 |
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47a1e0c81e
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src/img2pdf.py: do not use PNG encoding for CMYK input
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2018-07-17 16:57:44 +02:00 |
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3142824bab
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src/tests/__init__.py: do not test animation.gif with pdfrw because it doesn't support hexadecimal palette data
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2018-07-17 16:57:44 +02:00 |
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84ce9bbd9c
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src/img2pdf.py: do not allow transparency
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2018-07-17 16:57:44 +02:00 |
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90293204b2
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src/img2pdf.py: use logging.warning because warn() is deprecated
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2018-07-17 16:07:01 +02:00 |
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d09aa76c9e
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README.md: remove ambiguous section about lossless compression
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2018-06-16 16:56:01 +02:00 |
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ade5768d72
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src/img2pdf.py: expand error message about alpha channel
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2018-03-27 10:39:24 +02:00 |
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920506b867
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Reflect the fact that we now use PNG compression in the --help output
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2018-03-24 19:53:41 +01:00 |
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e78dd80451
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Add option --pillow-limit-break to force Pillow to accept large input images
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2018-03-24 19:47:03 +01:00 |
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d9a6c9db03
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Interlaced PNGs cannot be directly embedded but have to be re-encoded
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2018-03-24 18:59:02 +01:00 |
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7244d2c6ed
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Disallow input images with alpha channel as it cannot be preserved in the PDF and would thus make img2pdf not lossless
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2018-03-24 18:55:14 +01:00 |
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1d9a25dfd2
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Proof of concept of using PDF DecodeParms for storing pixel data with PNG compression
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2018-03-15 11:31:36 +01:00 |
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