org.apache.xmlgraphics.image.loader.impl.ImageLoaderInternalTIFF Maven / Gradle / Ivy
/*
* 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: ImageLoaderInternalTIFF.java 1681108 2015-05-22 13:26:12Z ssteiner $ */
package org.apache.xmlgraphics.image.loader.impl;
import java.io.IOException;
import java.util.Map;
import javax.imageio.stream.ImageInputStream;
import javax.xml.transform.Source;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.xmlgraphics.image.codec.util.ImageInputStreamSeekableStreamAdapter;
import org.apache.xmlgraphics.image.codec.util.SeekableStream;
import org.apache.xmlgraphics.image.loader.Image;
import org.apache.xmlgraphics.image.loader.ImageException;
import org.apache.xmlgraphics.image.loader.ImageFlavor;
import org.apache.xmlgraphics.image.loader.ImageInfo;
import org.apache.xmlgraphics.image.loader.ImageSessionContext;
import org.apache.xmlgraphics.image.loader.util.ImageUtil;
/**
* An ImageLoader implementation based on Commons' internal TIFF codec.
*/
public class ImageLoaderInternalTIFF extends AbstractImageLoader {
/** logger */
protected static final Log log = LogFactory.getLog(ImageLoaderInternalTIFF.class);
/**
* Main constructor.
*/
public ImageLoaderInternalTIFF() {
//nop
}
/** {@inheritDoc} */
public ImageFlavor getTargetFlavor() {
return ImageFlavor.RENDERED_IMAGE;
}
/** {@inheritDoc} */
public Image loadImage(ImageInfo info, Map hints, ImageSessionContext session)
throws ImageException, IOException {
Source src = session.needSource(info.getOriginalURI());
ImageInputStream imgStream = ImageUtil.needImageInputStream(src);
SeekableStream seekStream = new ImageInputStreamSeekableStreamAdapter(imgStream);
try {
org.apache.xmlgraphics.image.codec.tiff.TIFFImage img
= new org.apache.xmlgraphics.image.codec.tiff.TIFFImage(
seekStream, null, 0);
// TODO: This may ignore ICC Profiles stored in TIFF images.
return new ImageRendered(info, img, null);
} catch (RuntimeException e) {
throw new ImageException("Could not load image with internal TIFF codec", e);
}
}
/** {@inheritDoc} */
public int getUsagePenalty() {
return 1000; //Provide this only as a fallback
}
}