JDK-8100657 : Add support for composite operations to WebNode
  • Type: Enhancement
  • Component: javafx
  • Sub-Component: web
  • Affected Version: fx2.0
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2011-07-22
  • Updated: 2015-06-16
  • Resolved: 2011-12-14
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JDK 7
7-poolFixed
Related Reports
Relates :  
JDK-8117024 - WebView no longer renders LCD Text
Description
The HTML5 standard specifies composite graphics operations for 2D graphics contexts, see http://dev.w3.org/html5/2dcontext/#compositing

They should be implemented in WebNode.

A browser's compliance to the standard could be tested with the following test:

http://philip.html5.org/tests/canvas/suite/tests/index.2d.composite.html
Comments
With changes suggested by Peter, the following has been finally pushed http://javaweb.us.oracle.com/jcg/fx-webrevs/RT-15263/3 changeset: 15093:9f8b71eb3715 user: lepopov <leonid.popov@oracle.com> date: Tue Dec 13 19:32:57 2011 +0300 files: webnode-prism/src/com/sun/webpane/sg/prism/WCGraphicsPrismContext.java description: Fixed RT-15263
13-12-2011
Looks good, and seems to work fine as well ;) I don't like the name Composite.go() much. Is flush() or render() any better? Also as PassThrough filter is now used by Composite, I think you should move it outside of ClipLayer.
02-12-2011
New version of the proposed fix adapted to the current codebase. http://javaweb.us.oracle.com/jcg/fx-webrevs/RT-15263/2
30-11-2011
Could you refresh the webrev? Current version is too far from webrev base.
16-08-2011
A copy of the proposed fix uploaded to the following location: http://javaweb.us.oracle.com/jcg/fx-webrevs/RT-15263/1
09-08-2011
The attached webrev.zip contains a proposed implementation of composite graphics operations. It has been tested against the test mentioned in the issue description, and most of the operations, except xor, darker, lighter and highlight passed. The proposed implementations wraps each primitive graphics operation with a code that either delegates the call to the current Graphics directly, or blends it with already painted content, depending on the current composite operation setting.
22-07-2011