/**
* $RCSfile: ,v $
* $Revision: $
* $Date: $
*
* Copyright (C) 2004-2011 Jive Software. All rights reserved.
*
* 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 org.jivesoftware.spark.util;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.awt.image.ImageObserver;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JComponent;
/**
* ImageCombiner
*
* @author wolf.posdorfer
*/
public class ImageCombiner {
/**
* Combines two images into one
*
* @param image1
* left image
* @param image2
* right image
* @return combined Image
*/
public static Image combine(Image image1, Image image2)
{
return combine(new ImageIcon(image1), new ImageIcon(image2));
}
/**
* Combines two images into one
*
* @param image1
* left image
* @param image2
* right image
* @return combined Image
*/
public static Image combine(ImageIcon image1, ImageIcon image2) {
ImageObserver comp = new JComponent() {
private static final long serialVersionUID = 1L;
};
int w = image1.getIconWidth() + image2.getIconWidth();
int h = Math.max(image1.getIconHeight(), image2.getIconHeight());
BufferedImage image = new BufferedImage(w, h,
BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = image.createGraphics();
g2.drawImage(image1.getImage(), 0, 0, comp);
g2.drawImage(image2.getImage(), image1.getIconWidth(), 0, comp);
g2.dispose();
return image;
}
public static Image returnTransparentImage(int w, int h) {
BufferedImage image = new BufferedImage(w, h,
BufferedImage.TYPE_INT_ARGB);
return image;
}
/**
* Creates an Image from the specified Icon
*
* @param icon
* that should be converted to an image
* @return the new image
*/
public static Image iconToImage(Icon icon) {
if (icon instanceof ImageIcon) {
return ((ImageIcon) icon).getImage();
} else {
int w = icon.getIconWidth();
int h = icon.getIconHeight();
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice gd = ge.getDefaultScreenDevice();
GraphicsConfiguration gc = gd.getDefaultConfiguration();
BufferedImage image = gc.createCompatibleImage(w, h);
Graphics2D g = image.createGraphics();
icon.paintIcon(null, g, 0, 0);
g.dispose();
return image;
}
}
}