[Webkit-unassigned] [Bug 263959] New: Safari cut parts of text when compositing text with negative letter-spacing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=263959

            Bug ID: 263959
           Summary: Safari cut parts of text when compositing text with
                    negative letter-spacing
           Product: WebKit
           Version: Safari 17
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Compositing
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mic.gallego at gmail.com
                CC: simon.fraser at apple.com

Created attachment 468423

  --> https://bugs.webkit.org/attachment.cgi?id=468423&action=review

cutting text

Hi,

When compositing text that has a negative letter-spacing, part of the text is truncated (you can see the W letter for instance in this example): https://codepen.io/bakura10/pen/GRzZaMo

It looks like a similar issue was raised a few years ago and marked as fixed (https://bugs.webkit.org/show_bug.cgi?id=156550) so this might be a regression as it's no longer fixed anymore :).

Firefox and Chrome do not exhibit any cutting. The issue is reproducing at least on Safari 16 and 17, I did not try older versions.

Thanks!

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