[Webkit-unassigned] [Bug 260196] New: Full hinting broken by subpixel positioning

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Aug 15 03:43:52 PDT 2023


            Bug ID: 260196
           Summary: Full hinting broken by subpixel positioning
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Text
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ossman at cendio.se
                CC: mmaxfield at apple.com

Modern versions of Epiphany have random blurry text if the system is configured with full hinting (and you are using strongly hinted fonts). This issue has been reported to some other places already:


The problem might be with how WebKit uses cairo, though, not in cairo itself.

GTK has also struggled with this issue:


Right now, they seem to have landed in disabling sub-pixel positioning for standard DPI displays:


Hopefully, something similar can be done in WebKit?

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