hg: openjfx/2.2/graphics/rt: Fix RT-21687: Align pixel manipulation methods of GraphicsContext with PixelWriter.

[hang.vo at oracle.com]

Changeset: 49481ac33509
Author:    flar <James.Graham at oracle.com>
Date:      2012-05-22 10:00 -0700
URL:       http://hg.openjdk.java.net/openjfx/2.2/graphics/rt/rev/49481ac33509

Fix RT-21687: Align pixel manipulation methods of GraphicsContext with PixelWriter.
Reviewed by Kevin, API approved by Rich.

! javafx-ui-common/src/javafx/scene/canvas/GraphicsContext.java
! javafx-ui-common/src/javafx/scene/image/PixelFormat.java
! test-stub-toolkit/src/com/sun/javafx/pgstub/StubCanvas.java