[Webkit-unassigned] [Bug 274623] New: P3 colors not dhown if an AVIF file is opened directly

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=274623

            Bug ID: 274623
           Summary: P3 colors not dhown if an AVIF file is opened directly
           Product: WebKit
           Version: Safari 17
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Images
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: yann at zikinf.com
                CC: sabouhallawa at apple.com

Created attachment 471489

  --> https://bugs.webkit.org/attachment.cgi?id=471489&action=review

JPEG version: colors are OK

An AVIF image opened directly into Safari is displayed with SDR colors instead of HDR if it has a P3 Display ICC profile.
If the same file is in a web page (with an img tag), the colors are OK.

This is not a big problem, until you try to fix an ICC bug in you image processing workflow, and check the result by drag'n'dropping the files in a Safari window :-/

The AVIF version has been generated with Imagemagick with no option (convert xxx.jpg xxx.avif), the photo has been taken with an iPhone XS (resized with Preview/EXIF data have been stripped using exiftool).

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