/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OpenFlexo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.fge.graphics;

import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.awt.image.ImageObserver;

public class BufferedImageBuilder {

	private static final int DEFAULT_IMAGE_TYPE = BufferedImage.TYPE_INT_RGB;

	public BufferedImage bufferImage(Image image) {
		return bufferImage(image, DEFAULT_IMAGE_TYPE);
	}

	public BufferedImage bufferImage(Image image, int type) {
		BufferedImage bufferedImage = new BufferedImage(image.getWidth(null), image.getHeight(null), type);
		Graphics2D g = bufferedImage.createGraphics();
		g.drawImage(image, null, null);
		waitForImage(bufferedImage);
		return bufferedImage;
	}

	private void waitForImage(BufferedImage bufferedImage) {
		final ImageLoadStatus imageLoadStatus = new ImageLoadStatus();
		bufferedImage.getHeight(new ImageObserver() {
			@Override
			public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) {
				if (infoflags == ALLBITS) {
					imageLoadStatus.heightDone = true;
					return true;
				}
				return false;
			}
		});
		bufferedImage.getWidth(new ImageObserver() {
			@Override
			public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) {
				if (infoflags == ALLBITS) {
					imageLoadStatus.widthDone = true;
					return true;
				}
				return false;
			}
		});
		while (!imageLoadStatus.widthDone && !imageLoadStatus.heightDone) {
			try {
				Thread.sleep(300);
			} catch (InterruptedException e) {

			}
		}
	}

	class ImageLoadStatus {

		public boolean widthDone = false;
		public boolean heightDone = false;
	}

}