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Docs for libtiff read w/compression change

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Eric Soroos 2017-12-20 12:30:39 +00:00
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commit c816932f4b
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17
docs/handbook/image-file-formats.rst
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@ -525,13 +525,18 @@ For more information about the SPIDER image processing package, see the
TIFF
^^^^
PIL reads and writes TIFF files. It can read both striped and tiled images,
pixel and plane interleaved multi-band images, and either uncompressed, or
Packbits, LZW, or JPEG compressed images.
Pillow reads and writes TIFF files. It can read both striped and tiled
images, pixel and plane interleaved multi-band images. If you have
libtiff and its headers installed, PIL can read and write many kinds
of compressed TIFF files. If not, PIL will only read and write
uncompressed files.
If you have libtiff and its headers installed, PIL can read and write many more
kinds of compressed TIFF files. If not, PIL will always write uncompressed
files.
.. note::
Beginning in version 4.4.0, Pillow requires libtiff to read or
write compressed files. Prior to that release, Pillow had buggy
support for reading Packbits, LZW and JPEG compressed TIFFs
without using libtiff.
The :py:meth:`~PIL.Image.Image.open` method sets the following
:py:attr:`~PIL.Image.Image.info` properties: