[doc] update doc with the progressive gm setting

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Antoine Lamielle 2016-08-21 13:53:10 +02:00 committed by Antoine Lamielle
parent a1741ba31a
commit c288824401

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@ -63,6 +63,7 @@ Currently a `gm` settings key allows to customize the default GraphicsMagick's b
auto-orient: True
strip: True
resize: 50%
progressive: True
The meaning of the currently supported GraphicsMagick's settings is as follows:
@ -70,6 +71,7 @@ The meaning of the currently supported GraphicsMagick's settings is as follows:
* `auto-orient` change the orientation of pictures so they are upright (based on corresponding EXIF tags if present)
* `strip` removes all profiles and text attributes from the image (good for privacy, slightly reduce file size)
* `resize` can be used to resize the fullsize version of pictures. by default, input image size is preserved
* `progressive` converts classic baseline JPEG files to progressive JPEG, and interlace PNG/GIF files (improve the page loading impression, slightly reduce file size)
Any GraphicsMagick setting can be customized on a per-image basis (either `cover` or `image`, see below).