[Webkit-unassigned] [Bug 89052] Implement css3-images image-orientation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=89052

--- Comment #20 from Said Abou-Hallawa <sabouhallawa at apple.com> ---
The current draft specs is: https://drafts.csswg.org/css-images-4/#image-orientation

It states: "If the image has an orientation specified in its metadata, such as EXIF, the UA must rotate or flip the image to correctly orient it as the metadata specifies."

The MDN claims also the image-orientation property is likely to be deprecated: https://developer.mozilla.org/en-US/docs/Web/CSS/image-orientation.

The currentWebKit implementation of the image orientation is confusing. The image orientation is respected only when the image is opened as an ImageDocument, i.e. standalone image. When the image is embedded in a page as an <img> element or as a css background image, the image orientation is ignored. See RenderElement::shouldRespectImageOrientation(). 

I think it is time to automatically respect the image orientation specified in the image’s metadata.

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