/* | |
* Copyright 2004,2005 The Apache Software Foundation. | |
* | |
* 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.apache.ws.commons.attachments.utils; | |
import javax.imageio.IIOImage; | |
import javax.imageio.ImageWriter; | |
import java.awt.*; | |
import java.awt.image.BufferedImage; | |
import java.io.InputStream; | |
import java.io.OutputStream; | |
import java.util.Iterator; | |
/** | |
* JDK1.4 based Image I/O | |
*/ | |
public class ImageIO extends Component { | |
private static final long serialVersionUID = 4697911685739683266L; | |
/** | |
* Saves an image. | |
* | |
* @param mimeType the mime-type of the format to save the image | |
* @param image the image to save | |
* @param os the stream to write to | |
* @throws Exception if an error prevents image encoding | |
*/ | |
public void saveImage(String mimeType, Image image, OutputStream os) | |
throws Exception { | |
ImageWriter writer = null; | |
Iterator iter = javax.imageio.ImageIO.getImageWritersByMIMEType(mimeType); | |
if (iter.hasNext()) { | |
writer = (ImageWriter) iter.next(); | |
} | |
writer.setOutput(javax.imageio.ImageIO.createImageOutputStream(os)); | |
BufferedImage rendImage = null; | |
if (image instanceof BufferedImage) { | |
rendImage = (BufferedImage) image; | |
} else { | |
MediaTracker tracker = new MediaTracker(this); | |
tracker.addImage(image, 0); | |
tracker.waitForAll(); | |
rendImage = new BufferedImage(image.getWidth(null), image.getHeight(null), 1); | |
Graphics g = rendImage.createGraphics(); | |
g.drawImage(image, 0, 0, null); | |
} | |
writer.write(new IIOImage(rendImage, null, null)); | |
writer.dispose(); | |
} // saveImage | |
/** | |
* Loads an Image. | |
* | |
* @param in the stream to load the image | |
* @return the Image | |
*/ | |
public Image loadImage(InputStream in) throws Exception { | |
return javax.imageio.ImageIO.read(in); | |
} // loadImage | |
} | |