/**
* This file is part of Jahia, next-generation open source CMS:
* Jahia's next-generation, open source CMS stems from a widely acknowledged vision
* of enterprise application convergence - web, search, document, social and portal -
* unified by the simplicity of web content management.
*
* For more information, please visit http://www.jahia.com.
*
* Copyright (C) 2002-2011 Jahia Solutions Group SA. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* As a special exception to the terms and conditions of version 2.0 of
* the GPL (or any later version), you may redistribute this Program in connection
* with Free/Libre and Open Source Software ("FLOSS") applications as described
* in Jahia's FLOSS exception. You should have received a copy of the text
* describing the FLOSS exception, and it is also available here:
* http://www.jahia.com/license
*
* Commercial and Supported Versions of the program (dual licensing):
* alternatively, commercial and supported versions of the program may be used
* in accordance with the terms and conditions contained in a separate
* written agreement between you and Jahia Solutions Group SA.
*
* If you are unsure which license is appropriate for your use,
* please contact the sales department at sales@jahia.com.
*/
package org.jahia.services.image;
import ij.ImagePlus;
import ij.io.Opener;
import ij.process.ImageProcessor;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.jahia.api.Constants;
import org.jahia.services.content.JCRNodeWrapper;
import org.jahia.tools.imageprocess.ImageProcess;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import java.io.*;
/**
* User: toto
* Date: 3/11/11
* Time: 11:33
*/
public class ImageJImageService implements JahiaImageService {
private static ImageJImageService instance;
protected ImageJImageService() {
}
public void init() {
}
public static synchronized ImageJImageService getInstance() {
if (instance == null) {
instance = new ImageJImageService();
}
return instance;
}
public Image getImage(JCRNodeWrapper node) throws IOException, RepositoryException {
File tmp = null;
OutputStream os = null;
try {
tmp = File.createTempFile("image", null);
Node contentNode = node.getNode(Constants.JCR_CONTENT);
os = new BufferedOutputStream(new FileOutputStream(tmp));
InputStream is = contentNode.getProperty(Constants.JCR_DATA).getBinary().getStream();
try {
IOUtils.copy(is, os);
} finally {
IOUtils.closeQuietly(os);
IOUtils.closeQuietly(is);
}
Opener op = new Opener();
ImagePlus ip = op.openImage(tmp.getPath());
return new ImageJImage(node.getPath(), ip, op.getFileType(tmp.getPath()));
} finally {
IOUtils.closeQuietly(os);
FileUtils.deleteQuietly(tmp);
}
}
/**
* Creates a JPEG thumbnail from inputFile and saves it to disk in
* outputFile. scaleWidth is the width to scale the image to
*/
public boolean createThumb(Image iw, File outputFile, int size, boolean square) throws IOException {
ImagePlus ip = ((ImageJImage)iw).getImagePlus();
// Load the input image.
if (ip == null) {
return false;
}
ip = new ImagePlus(ip.getTitle(), ip.getImageStack());
ImageProcessor processor = ip.getProcessor();
if(square) {
processor = processor.resize(size, size);
} else if (ip.getWidth() > ip.getHeight()) {
processor = processor.resize(size, ip.getHeight()*size/ip.getWidth());
} else {
processor = processor.resize(ip.getWidth()*size/ip.getHeight(), size);
}
ip.setProcessor(null,processor);
int type = ((ImageJImage) iw).getImageType();
return ImageProcess.save(type, ip, outputFile);
}
public int getHeight(Image i) {
ImagePlus ip = ((ImageJImage)i).getImagePlus();
if (ip != null) {
return ip.getHeight();
}
return -1;
}
public int getWidth(Image i) {
ImagePlus ip = ((ImageJImage)i).getImagePlus();
if (ip != null) {
return ip.getWidth();
}
return -1;
}
public boolean cropImage(Image i, File outputFile, int top, int left, int width, int height) {
ImagePlus ip = ((ImageJImage)i).getImagePlus();
ImageProcessor processor = ip.getProcessor();
processor.setRoi(left, top, width, height);
processor = processor.crop();
ip.setProcessor(null, processor);
return ImageProcess.save(((ImageJImage) i).getImageType(), ip, outputFile);
}
public boolean resizeImage(Image i, File outputFile, int width, int height) {
ImagePlus ip = ((ImageJImage)i).getImagePlus();
ImageProcessor processor = ip.getProcessor();
processor = processor.resize(width, height);
ip.setProcessor(null, processor);
return ImageProcess.save(((ImageJImage) i).getImageType(), ip, outputFile);
}
public boolean rotateImage(Image i, File outputFile, boolean clockwise) {
ImagePlus ip = ((ImageJImage)i).getImagePlus();
ImageProcessor processor = ip.getProcessor();
if (clockwise) {
processor = processor.rotateRight();
} else {
processor = processor.rotateLeft();
}
ip.setProcessor(null, processor);
return ImageProcess.save(((ImageJImage) i).getImageType(), ip, outputFile);
}
}