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Added more limited support modes [ci skip]

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Andrew Murray 2019-09-05 20:10:43 +10:00
parent e980d023db
commit 2a7ad14172
1 changed files with 18 additions and 5 deletions
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docs/handbook/concepts.rst
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@ -44,11 +44,24 @@ supports the following standard modes:
* ``I`` (32-bit signed integer pixels)
* ``F`` (32-bit floating point pixels)
PIL also provides limited support for a few special modes, including ``LA`` (L
with alpha), ``RGBX`` (true color with padding) and ``RGBa`` (true color with
premultiplied alpha). However, PIL doesn’t support user-defined modes; if you
need to handle band combinations that are not listed above, use a sequence of
Image objects.
PIL also provides limited support for a few special modes, including:
* ``LA`` (L with alpha)
* ``PA`` (P with alpha)
* ``RGBX`` (true color with padding)
* ``RGBa`` (true color with premultiplied alpha)
* ``La`` (L with premultiplied alpha)
* ``I;16`` (16-bit unsigned integer pixels)
* ``I;16L`` (16-bit little endian unsigned integer pixels)
* ``I;16B`` (16-bit big endian unsigned integer pixels)
* ``I;16N`` (16-bit native endian unsigned integer pixels)
* ``BGR;15`` (15-bit reversed true colour)
* ``BGR;16`` (16-bit reversed true colour)
* ``BGR;24`` (24-bit reversed true colour)
* ``BGR;32`` (32-bit reversed true colour)
However, PIL doesn’t support user-defined modes; if you need to handle band
combinations that are not listed above, use a sequence of Image objects.
You can read the mode of an image through the :py:attr:`~PIL.Image.Image.mode`
attribute. This is a string containing one of the above values.