hg: openjfx/8u-dev/rt: RT-28978 Consolidate/document handling of null values in javafx.scene.canvas.GraphicsContext

[hang.vo at oracle.com]

Changeset: 7c2354578408
Author:    Martin Sladecek <martin.sladecek at oracle.com>
Date:      2014-02-05 08:35 +0100
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/7c2354578408

RT-28978 Consolidate/document handling of null values in javafx.scene.canvas.GraphicsContext
Reviewed by: flar

! modules/graphics/src/main/java/javafx/scene/canvas/GraphicsContext.java
! modules/graphics/src/main/java/javafx/scene/image/PixelWriter.java
! modules/graphics/src/main/java/javafx/scene/image/WritableImage.java
! modules/graphics/src/test/java/javafx/scene/canvas/CanvasTest.java