litesoft
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// This Source Code is in the Public Domain per: http://unlicense.org package org.litesoft.render; import org.litesoft.core.*; public interface RenderableRect { /** * This is a helper method so that Parent Containers can notify their Children that someplace "up" * the RenderableRect Graph there was a change in the Rendering Participation. * <p/> * As this method is a helper, it is not gaurenteed to be called on all Rendering Participation Changes, as there * may be platform specific methods that do some or all of the notification (e.g. Attached and Detached). * <p/> * When coding this method it is important to notify your children (if you have any) and your two RenderHelpers. * To facilitate this * * @see org.litesoft.render.RenderingParticipationChangedHelper */ public void renderingParticipationChanged(); /** * Get the RenderHelper for "this" for the X dimension. * * @return !null */ public RenderHelper getRenderHelperX(); /** * Get the RenderHelper for "this" for the Y dimension. * * @return !null */ public RenderHelper getRenderHelperY(); public static final RenderableRect NULL_RR = new NullRenderableRect(); public static class NullRenderableRect extends AbstractNullObject implements RenderableRect { public void renderingParticipationChanged() { } public RenderHelper getRenderHelperX() { throw whatThe( "getRenderHelperX" ); } public RenderHelper getRenderHelperY() { throw whatThe( "getRenderHelperY" ); } } } |