Cameron McCormack edd1013c3e Bug 1616411 - Part 3: Make RasterImage deal with and apply image orientation. r=tnikkel
This makes EXIF orientation metadata honored by default.

Introduce OrientedPixel and UnorientedPixel typed rects and sizes and
use them throughout RasterImage so that we don't confuse which we want.

The reason for doing this rather than having the imgLoader wrap every
RasterImage it creates with an OrientedImage is that returning the
wrapper messes with various notifications, as OrientedImage is not an
ImageResource.

(It would be even better if the JPEG decoder could decode to imgFrames
handling the EXIF orientation itself, but that's a more complicated
change.)

Differential Revision: https://phabricator.services.mozilla.com/D70273

--HG--
extra : moz-landing-system : lando
2020-04-16 00:34:29 +00:00

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