Mention GraphicsMagick support release notes 8.2.0

Co-authored-by: Andrew Murray <radarhere@users.noreply.github.com>
This commit is contained in:
Latosha Maltba 2021-03-23 07:16:56 +00:00
parent 52794432f0
commit 0f8fffbb11

View File

@ -65,6 +65,18 @@ instances, so it will only be used by ``im.show()`` or :py:func:`.ImageShow.show
if none of the other viewers are available. This means that the behaviour of if none of the other viewers are available. This means that the behaviour of
:py:class:`PIL.ImageShow` will stay the same for most Pillow users. :py:class:`PIL.ImageShow` will stay the same for most Pillow users.
ImageShow.GmDisplayViewer
^^^^^^^^^^^^^^^^^^^^^^^^^
If GraphicsMagick is present, this new :py:class:`PIL.ImageShow.Viewer` subclass will
be registered. It uses GraphicsMagick_, an ImageMagick_ fork, to display images.
The GraphicsMagick based viewer has a lower priority than its ImageMagick
counterpart. Thus, if both ImageMagick and GraphicsMagick are installed,
``im.show()`` and :py:func:`.ImageShow.show()` prefer the viewer based on
ImageMagick, i.e the behaviour stays the same for Pillow users having
ImageMagick installed.
Saving TIFF with ICC profile Saving TIFF with ICC profile
^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -86,3 +98,12 @@ PyQt6
Support has been added for PyQt6. If it is installed, it will be used instead of Support has been added for PyQt6. If it is installed, it will be used instead of
PySide6, PyQt5 or PySide2. PySide6, PyQt5 or PySide2.
GraphicsMagick
^^^^^^^^^^^^^^
The test suite can now be run on systems which have GraphicsMagick_ but not
ImageMagick_ installed. If both are installed, the tests prefer ImageMagick.
.. _GraphicsMagick: http://www.graphicsmagick.org/
.. _ImageMagick: https://imagemagick.org/