src/screenshare/java/org/apache/openmeetings/screen/webstart/BaseScreenEncoder.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.openmeetings.screen.webstart;

import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;

public abstract class BaseScreenEncoder implements IScreenEncoder {

	public static BufferedImage resize(BufferedImage _img, Rectangle size) {
		BufferedImage img = _img;
		if (img.getWidth() != size.width || img.getHeight() != size.height) {
			img = new BufferedImage(size.width, size.height, BufferedImage.TYPE_INT_RGB);
			
			Graphics2D graphics2D = img.createGraphics();
			graphics2D.setRenderingHint(
				RenderingHints.KEY_INTERPOLATION,
				RenderingHints.VALUE_INTERPOLATION_BICUBIC);
			graphics2D.drawImage(_img, 0, 0, size.width, size.height, null);
			graphics2D.dispose();
		}
		return img;
	}
	
}