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Corrected "optimize" default when saving GIF images

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This commit is contained in:
Andrew Murray 2023-11-25 17:30:09 +11:00
parent 04a4d54275
commit c855584dac
1 changed files with 6 additions and 3 deletions
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9
docs/handbook/image-file-formats.rst
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@ -266,9 +266,12 @@ following options are available::
:py:class:`PIL.ImagePalette.ImagePalette` object.
**optimize**
If present and true, attempt to compress the palette by
eliminating unused colors. This is only useful if the palette can
be compressed to the next smaller power of 2 elements.
Whether to attempt to compress the palette by eliminating unused colors.
This is attempted by default, unless a palette is specified as an option or
as part of the first image's :py:attr:`~PIL.Image.Image.info` dictionary.
This is only useful if the palette can be compressed to the next smaller
power of 2 elements.
Note that if the image you are saving comes from an existing GIF, it may have
the following properties in its :py:attr:`~PIL.Image.Image.info` dictionary.