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List modes that can be used when saving PDFs

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Andrew Murray 2023-03-13 00:07:53 +11:00
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docs/handbook/image-file-formats.rst
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@ -1457,8 +1457,13 @@ PDF
^^^ ^^^
Pillow can write PDF (Acrobat) images. Such images are written as binary PDF 1.4 Pillow can write PDF (Acrobat) images. Such images are written as binary PDF 1.4
files, using either JPEG or HEX encoding depending on the image mode (and files. Different encoding methods are used, depending on the image mode.
whether JPEG support is available or not).
* 1 mode images are saved using TIFF encoding, or JPEG encoding if libtiff support is
unavailable
* L, RGB and CMYK mode images use JPEG encoding
* P mode images use HEX encoding
* RGBA mode images use JPEG2000 encoding
.. _pdf-saving: .. _pdf-saving: