[Webkit-unassigned] [Bug 242137] New: ImageBitmap -> Canvas does not use EXIF orientation

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Jun 29 15:02:43 PDT 2022


            Bug ID: 242137
           Summary: ImageBitmap -> Canvas does not use EXIF orientation
           Product: WebKit
           Version: Safari 15
          Hardware: Mac (Apple Silicon)
                OS: macOS 10.15
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Canvas
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: micah.millereshleman at gmail.com
                CC: dino at apple.com

When Safari renders ImageBitmap to Canvas (via drawImage), EXIF orientation is not taken into account.

Reduced test case:

In Chrome & Firefox, the rendered images are identical. In Safari, the second (ImageBitmap -> Canvas) image is improperly rotated if it contained EXIF data.

I'm a bit confused b/c this issue was supposed to be resolved in 231063 and released into Safari 15.2, but I'm replicating this on Safari 15.5

Thanks for looking into it Cameron McCormack (:heycam)!

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