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Merge pull request #4132 from radarhere/orientation

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Added orientation note
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Hugo van Kemenade 2019-10-11 18:42:13 +03:00 committed by GitHub
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docs/handbook/concepts.rst
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@ -104,6 +104,15 @@ the file format handler (see the chapter on :ref:`image-file-formats`). Most
handlers add properties to the :py:attr:`~PIL.Image.Image.info` attribute when handlers add properties to the :py:attr:`~PIL.Image.Image.info` attribute when
loading an image, but ignore it when saving images. loading an image, but ignore it when saving images.
Orientation
-----------
A common element of the :py:attr:`~PIL.Image.Image.info` attribute for JPG and
TIFF images is the EXIF orientation tag. This is an instruction for how the
image data should be oriented. For example, it may instruct an image to be
rotated by 90 degrees, or to be mirrored. To apply this information to an
image, :py:meth:`~PIL.ImageOps.exif_transpose` can be used.
.. _concept-filters: .. _concept-filters:
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