[Webkit-unassigned] [Bug 248197] New: [Filters] Introduce GraphicsStyle and add it to GraphicsContext and GraphicsContextState

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=248197

            Bug ID: 248197
           Summary: [Filters] Introduce GraphicsStyle and add it to
                    GraphicsContext and GraphicsContextState
           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: sabouhallawa at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

This will allow applying a GraphicsStyle to all the following drawing commands. Some of FilterEffects can be expressed as GraphicsStyles. Applying a FilterEffect using CoreGraphics will be done by setting GraphicsStyle to the GraphicsContext before drawing the sourceImage of the Filter.

The plan is control beginning, ending and nesting GraphicsStyle using transparency layers.

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