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114 lines
3.6 KiB
ReStructuredText
114 lines
3.6 KiB
ReStructuredText
5.2.0
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-----
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API Changes
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===========
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Deprecations
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^^^^^^^^^^^^
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These version constants have been deprecated. ``VERSION`` will be removed in
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Pillow 6.0.0, and ``PILLOW_VERSION`` will be removed after that.
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* ``PIL.VERSION`` (old PIL version 1.1.7)
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* ``PIL.PILLOW_VERSION``
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* ``PIL.Image.VERSION``
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* ``PIL.Image.PILLOW_VERSION``
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Use ``PIL.__version__`` instead.
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API Additions
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=============
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3D color lookup tables
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^^^^^^^^^^^^^^^^^^^^^^
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Support for 3D color lookup table transformations has been added.
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* https://en.wikipedia.org/wiki/3D_lookup_table
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``Color3DLUT.generate`` transforms 3-channel pixels using the values of the
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channels as coordinates in the 3D lookup table and interpolating the nearest
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elements.
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It allows you to apply almost any color transformation in constant time by
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using pre-calculated decimated tables.
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``Color3DLUT.transform()`` allows altering table values with a callback.
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If NumPy is installed, the performance of argument conversion is dramatically
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improved when a source table supports buffer interface (NumPy && arrays in
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Python >= 3).
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ImageColor.getrgb
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^^^^^^^^^^^^^^^^^
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Previously ``Image.rotate`` only supported HSL color strings. Now HSB and HSV
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strings are also supported, as well as float values. For example,
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``ImageColor.getrgb("hsv(180,100%,99.5%)")``.
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ImageFile.get_format_mimetype
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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``ImageFile.get_format_mimetype`` has been added to return the MIME type of an
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image file, where available. For example,
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``Image.open("hopper.jpg").get_format_mimetype()`` returns ``"image/jpeg"``.
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ImageFont.getsize_multiline
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^^^^^^^^^^^^^^^^^^^^^^^^^^^
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A new method to return the size of multiline text, for example
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``font.getsize_multiline("ABC\nAaaa")``
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Image.rotate
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^^^^^^^^^^^^
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A new named parameter, ``fillcolor``, has been added to ``Image.rotate``. This
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color specifies the background color to use in the area outside the rotated
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image. This parameter takes the same color specifications as used in
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``Image.new``.
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TGA file format
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^^^^^^^^^^^^^^^
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Pillow can now read and write LA data (in addition to L, P, RGB and RGBA), and
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write RLE data (in addition to uncompressed).
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Other Changes
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=============
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Support added for Python 3.7
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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Pillow 5.2 supports Python 3.7.
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Build macOS wheels with Xcode 6.4, supporting older macOS versions
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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The macOS wheels for Pillow 5.1.0 were built with Xcode 9.2, meaning 10.12
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Sierra was the lowest supported version.
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Prior to Pillow 5.1.0, Xcode 8 was used, supporting El Capitan 10.11.
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Instead, Pillow 5.2.0 is built with the oldest available Xcode 6.4 to support
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at least 10.10 Yosemite.
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Fix _i2f compilation with some GCC versions
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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For example, this allows compilation with GCC 4.8 on NetBSD.
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Resolve confusion getting PIL / Pillow version string
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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Re: "version constants deprecated" listed above, as user gnbl notes in #3082:
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- it's confusing that PIL.VERSION returns the version string of the former PIL instead of Pillow's
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- ReadTheDocs documentation is missing for some version branches (why is this, will it ever change, ...)
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- it's confusing that PIL.version is a module and does not return the version information directly or hints on how to get it
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- the package information header is essentially useless (placeholder, does not even mention Pillow, nor the version)
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- PIL._version module documentation comment could explain how to access the version information
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We have attempted to resolve these issues in #3083, #3090 and #3218.
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