hg: openjfx/8/graphics/rt: RT-30923: Implement packing region cache

[hang.vo at oracle.com]

Changeset: cf2d7f03fbfb
Author:    Felipe Heidrich <felipe.heidrich at oracle.com>
Date:      2013-08-23 08:28 -0700
URL:       http://hg.openjdk.java.net/openjfx/8/graphics/rt/rev/cf2d7f03fbfb

RT-30923: Implement packing region cache

! modules/graphics/src/main/java/com/sun/javafx/sg/prism/NGRegion.java
! modules/graphics/src/main/java/com/sun/javafx/sg/prism/RegionImageCache.java
! modules/graphics/src/main/java/com/sun/prism/impl/packrect/Level.java
! modules/graphics/src/main/java/com/sun/prism/impl/packrect/RectanglePacker.java