[Webkit-unassigned] [Bug 185673] New: Letter spacing in canvas text renders differently based on sub pixel placement

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=185673

            Bug ID: 185673
           Summary: Letter spacing in canvas text renders differently
                    based on sub pixel placement
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Canvas
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jonlee at apple.com
                CC: dino at apple.com

Created attachment 340470

  --> https://bugs.webkit.org/attachment.cgi?id=340470&action=review

Test

See test page.

I'm rendering text at various sub-pixel locations. The text appears to jiggle. It's worse 1x than 2x.

Compare to Chrome and Firefox, which do not suffer from this.

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