/*****************************************************************************
* Copyright (C) The Apache Software Foundation. All rights reserved. *
* ------------------------------------------------------------------------- *
* This software is published under the terms of the Apache Software License *
* version 1.1, a copy of which has been included with this distribution in *
* the LICENSE file. *
*****************************************************************************/
package org.apache.batik.ext.awt.image.spi;
import com.sun.image.codec.jpeg.JPEGImageDecoder;
import com.sun.image.codec.jpeg.JPEGCodec;
import java.io.InputStream;
import java.io.IOException;
import java.awt.image.BufferedImage;
import org.apache.batik.ext.awt.image.GraphicsUtil;
import org.apache.batik.ext.awt.image.renderable.Filter;
import org.apache.batik.ext.awt.image.renderable.RedRable;
import org.apache.batik.ext.awt.image.renderable.DeferRable;
public class JPEGRegistryEntry
extends MagicNumberRegistryEntry {
static final byte [] signature = {(byte)0xFF, (byte)0xd8,
(byte)0xFF, (byte)0xe0};
static final String [] exts = {"jpeg", "jpg" };
public JPEGRegistryEntry() {
super("JPEG", exts, 0, signature);
}
/**
* Decode the Stream into a RenderableImage
*
* @param is The input stream that contains the image.
* @param needRawData If true the image returned should not have
* any default color correction the file may
* specify applied.
*/
public Filter handleStream(InputStream inIS, boolean needRawData) {
final DeferRable dr = new DeferRable();
final InputStream is = inIS;
Thread t = new Thread() {
public void run() {
Filter filt;
try{
JPEGImageDecoder decoder;
decoder = JPEGCodec.createJPEGDecoder(is);
BufferedImage image;
image = decoder.decodeAsBufferedImage();
filt = new RedRable(GraphicsUtil.wrap(image));
} catch (IOException ioe) {
// Something bad happened here...
filt = ImageTagRegistry.getBrokenLinkImage();
}
dr.setSource(filt);
}
};
t.start();
return dr;
}
}