/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
/* $Id: JPEGImageWriter.java 496556 2007-01-16 00:59:48Z cam $ */
package org.apache.xmlgraphics.image.writer.internal;
import java.awt.image.BufferedImage;
import java.awt.image.RenderedImage;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.xmlgraphics.image.GraphicsUtil;
import org.apache.xmlgraphics.image.writer.AbstractImageWriter;
import org.apache.xmlgraphics.image.writer.ImageWriter;
import org.apache.xmlgraphics.image.writer.ImageWriterParams;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGEncodeParam;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
/**
* ImageWriter implementation that uses the sun.com.image.codec.jpeg
* intefaces to write JPEG files.
* <p>
* Note: This class depends on a Sun runtime environment and is therefore not compatible with
* non-Sun VMs (such as Harmony or GNU Classpath based VMs).
*
* @version $Id: JPEGImageWriter.java 496556 2007-01-16 00:59:48Z cam $
*/
public class JPEGImageWriter extends AbstractImageWriter {
/**
* @see ImageWriter#writeImage(java.awt.image.RenderedImage, java.io.OutputStream)
*/
public void writeImage(RenderedImage image, OutputStream out)
throws IOException {
writeImage(image, out, null);
}
/**
* @see ImageWriter#writeImage(java.awt.image.RenderedImage, java.io.OutputStream, ImageWriterParams)
*/
public void writeImage(RenderedImage image, OutputStream out,
ImageWriterParams params) throws IOException {
BufferedImage bi;
if (image instanceof BufferedImage) {
bi = (BufferedImage)image;
} else {
//TODO Is this the right way?
bi = GraphicsUtil.makeLinearBufferedImage(
image.getWidth(), image.getHeight(), false);
}
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
if (params != null) {
JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bi);
if (params.getJPEGQuality() != null) {
param.setQuality(
params.getJPEGQuality().floatValue(),
params.getJPEGForceBaseline().booleanValue());
}
encoder.encode(bi, param);
} else {
encoder.encode(bi);
}
}
/**
* @see ImageWriter#getMIMEType()
*/
public String getMIMEType() {
return "image/jpeg";
}
}