[Webkit-unassigned] [Bug 150364] New: Circles with large radius have a blurry stroke

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=150364

            Bug ID: 150364
           Summary: Circles with large radius have a blurry stroke
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Macintosh
                OS: Mac OS X 10.11
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Canvas
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: julienq at apple.com
                CC: dino at apple.com, webkit-bug-importer at group.apple.com

Created attachment 263582
  --> https://bugs.webkit.org/attachment.cgi?id=263582&action=review
Three circles with large radius are drawn, with blurry stroke

When stroking a circle in a 2D canvas with a large radius (10000 pixels or more), the outline appears blurry. The larger the radius, the blurrier the stroke. See attached test case where three circles are drawn with a radius of 10000, 12000 and 40000. 10000 looks fine, but 12000 already starts to look blurry, and 40000 worth still.

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