[Webkit-unassigned] [Bug 48094] New: Setting globalAlpha on canvas and drawing a video does not honor alpha value

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=48094

           Summary: Setting globalAlpha on canvas and drawing a video does
                    not honor alpha value
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: acolwell at chromium.org



Aaron Colwell <acolwell at chromium.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #71500|                            |review?, commit-queue?
               Flag|                            |


Created an attachment (id=71500)
 --> (https://bugs.webkit.org/attachment.cgi?id=71500&action=review)
Proposed Patch

Drawing a video frame on a canvas always uses an alpha of 1 independent of what globalAlpha is set to on the canvas' 2D context.

For more info see this Chromium bug http://code.google.com/p/chromium/issues/detail?id=51941

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