| /* |
| |
| 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. |
| |
| */ |
| package org.apache.batik.ext.awt.image.codec.jpeg; |
| |
| import java.awt.image.BufferedImage; |
| import java.awt.image.RenderedImage; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| import org.apache.batik.ext.awt.image.GraphicsUtil; |
| import org.apache.batik.ext.awt.image.spi.ImageWriter; |
| import org.apache.batik.ext.awt.image.spi.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. |
| * |
| * @version $Id$ |
| */ |
| public class JPEGImageWriter implements ImageWriter { |
| |
| /** |
| * @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, org.apache.batik.ext.awt.image.spi.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()); |
| } |
| if (params.getResolution() != null) { |
| int resDPI = params.getResolution().intValue(); |
| param.setDensityUnit(JPEGEncodeParam.DENSITY_UNIT_DOTS_INCH); |
| param.setXDensity(resDPI); |
| param.setYDensity(resDPI); |
| } |
| encoder.encode(bi, param); |
| } else { |
| encoder.encode(bi); |
| } |
| } |
| |
| /** |
| * @see ImageWriter#getMIMEType() |
| */ |
| public String getMIMEType() { |
| return "image/jpeg"; |
| } |
| } |