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Merge pull request #3742 from radarhere/releasenotes

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MIME type and TIFF compression codec release notes
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Hugo 2019-03-23 06:21:55 +00:00 committed by GitHub
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@ -99,6 +99,26 @@ version.
Use ``PIL.__version__`` instead. Use ``PIL.__version__`` instead.
MIME type improvements
^^^^^^^^^^^^^^^^^^^^^^
Previously, all JPEG2000 images had the MIME type "image/jpx". This has now been
corrected. After the file format drivers have been loaded, ``Image.MIME["JPEG2000"]``
will return "image/jp2". ``ImageFile.get_format_mimetype`` will return "image/jpx" if
a JPX profile is present, or "image/jp2" otherwise.
Previously, all SGI images had the MIME type "image/rgb". This has now been
corrected. After the file format drivers have been loaded, ``Image.MIME["SGI"]``
will return "image/sgi". ``ImageFile.get_format_mimetype`` will return "image/rgb" if
RGB image data is present, or "image/sgi" otherwise.
MIME types have been added to the PPM format. After the file format drivers have been
loaded, ``Image.MIME["PPM"]`` will now return the generic "image/x-portable-anymap".
``ImageFile.get_format_mimetype`` will return a MIME type specific to the color type.
The TGA, PCX and ICO formats also now have MIME types: "image/x-tga", "image/x-pcx" and
"image/x-icon" respectively.
API Additions API Additions
============= =============
@ -145,5 +165,10 @@ Pillow can now read uncompressed RGB data from DDS images.
Reading TIFF with old-style JPEG compression Reading TIFF with old-style JPEG compression
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Added support reading TIFF files with old-style JPEG compression through LibTIFF. All YCbCr Added support reading TIFF files with old-style JPEG compression through LibTIFF. All
TIFF images are now always read as RGB. YCbCr TIFF images are now always read as RGB.
TIFF compression codecs
^^^^^^^^^^^^^^^^^^^^^^^
Support has been added for the LZMA, Zstd and WebP TIFF compression codecs.