[Webkit-unassigned] [Bug 149516] New: [Win] Support composited content in WebView render-to-context methods

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=149516

            Bug ID: 149516
           Summary: [Win] Support composited content in WebView
                    render-to-context methods
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bfulgham at webkit.org

The current implementations of WebView::paintDocumentRectToContext and WebView::paintScrollViewRectToContextAtPoint only draw GDI-based content into the passed device context. This causes CALayer-based information to be skipped, since it typically draws on its own 60-hz timer outside of the normal paint operation.

The purpose of these two methods is to allow a WebView to be rendered into a specific device context, usually representing a bitmap or back buffer. Consequently, we should perform a draw operation from the CALayerTree into the context when this method is called.

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