[Webkit-unassigned] [Bug 61387] New: Pixelated edges with a rounded border and alpha channel

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=61387

           Summary: Pixelated edges with a rounded border and alpha
                    channel
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Major
          Priority: P2
         Component: WebKit Qt
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: webkitbugs at taggedtype.net
                CC: kling at webkit.org


Created an attachment (id=94672)
 --> (https://bugs.webkit.org/attachment.cgi?id=94672&action=review)
The html file demonstrating the problem.

In the QtWebkit 2.2 branch, the attached image+html file demonstrates that the QtTestBrowser creates a pixelated border when using a border with a non-zero radius and a colour with an alpha component.

The three boxes (images attached) show the following:

 * No border: Edges are nicely rounded
 * Border without alpha component: Edges are nicely rounded
 * Border with alpha component: Edges show pixelation

This does not occur in Firefox, Safari or Chrome so may be a regression.

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