/*
* $RCSfile: EncodeRIF.java,v $
*
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
*
* Use is subject to license terms.
*
* $Revision: 1.1 $
* $Date: 2005/02/11 04:56:24 $
* $State: Exp $
*/
package com.lightcrafts.media.jai.opimage;
import java.awt.RenderingHints;
import java.awt.image.RenderedImage;
import java.awt.image.renderable.ParameterBlock;
import java.awt.image.renderable.RenderedImageFactory;
import java.io.OutputStream;
import java.io.IOException;
import com.lightcrafts.mediax.jai.util.ImagingListener;
import com.lightcrafts.media.jai.codec.ImageCodec;
import com.lightcrafts.media.jai.codec.ImageEncodeParam;
import com.lightcrafts.media.jai.codec.ImageEncoder;
import com.lightcrafts.media.jai.util.ImageUtil;
/**
* @see com.lightcrafts.mediax.jai.operator.FileDescriptor
*
* @since EA4
*
*/
public class EncodeRIF implements RenderedImageFactory {
/** Constructor. */
public EncodeRIF() {}
/**
* Stores an image to a stream.
*/
public RenderedImage create(ParameterBlock paramBlock,
RenderingHints renderHints) {
ImagingListener listener = ImageUtil.getImagingListener(renderHints);
// Retrieve the OutputStream.
OutputStream stream = (OutputStream)paramBlock.getObjectParameter(0);
// Retrieve the format.
String format = (String)paramBlock.getObjectParameter(1);
// Retrieve the ImageEncodeParam (which may be null).
ImageEncodeParam param = null;
if(paramBlock.getNumParameters() > 2) {
param = (ImageEncodeParam)paramBlock.getObjectParameter(2);
}
// Create an ImageEncoder.
ImageEncoder encoder =
ImageCodec.createImageEncoder(format, stream, param);
// Check the ImageEncoder.
if(encoder == null) {
throw new RuntimeException(JaiI18N.getString("EncodeRIF0"));
}
// Store the data.
RenderedImage im = (RenderedImage)paramBlock.getSource(0);
try {
encoder.encode(im);
stream.flush();
// Fix 4665208: EncodeRIF closed the stream after flush
// User may put more into the stream
//stream.close();
} catch (IOException e) {
String message = JaiI18N.getString("EncodeRIF1") + " " + format;
listener.errorOccurred(message, e, this, false);
// e.printStackTrace();
return null;
}
return im;
}
}