IRenderDelegate.java

/*******************************************************************************
 * Copyright 2012 Geoscience Australia
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package au.gov.ga.earthsci.worldwind.common.layers.delegate;

import gov.nasa.worldwind.render.DrawContext;

/**
 * Instances of {@link IRenderDelegate} are called before and after rendering a
 * layer.
 * 
 * @author Michael de Hoog (michael.dehoog@ga.gov.au)
 */
public interface IRenderDelegate extends IDelegate
{
	/**
	 * Setup GL state; called before rendering the layer.
	 * 
	 * @param dc
	 */
	void preRender(DrawContext dc);

	/**
	 * Pack down GL state; called after rendering the layer.
	 * 
	 * @param dc
	 */
	void postRender(DrawContext dc);
}