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Mention PsdImagePlugin as a plugin using multiple tiles

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Andrew Murray 2022-03-01 15:44:12 +11:00
parent 0cd550719a
commit a7e8a386d3
1 changed files with 6 additions and 2 deletions
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8
docs/handbook/writing-your-own-image-plugin.rst
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@ -123,8 +123,12 @@ The ``tile`` attribute
To be able to read the file as well as just identifying it, the ``tile``
attribute must also be set. This attribute consists of a list of tile
descriptors, where each descriptor specifies how data should be loaded to a
given region in the image. In most cases, only a single descriptor is used,
covering the full image.
given region in the image.
In most cases, only a single descriptor is used, covering the full image.
:py:class:`.PsdImagePlugin.PsdImageFile` uses multiple tiles to combine
channels within a single layer, given that the channels are stored separately,
one after the other.
The tile descriptor is a 4-tuple with the following contents::