/**
* 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.
*/
//
//
// ____.
// __/\ ______| |__/\. _______
// __ .____| | \ | +----+ \
// _______| /--| | | - \ _ | : - \_________
// \\______: :---| : : | : | \________>
// |__\---\_____________:______: :____|____:_____\
// /_____|
//
// . . . i n j a h i a w e t r u s t . . .
//
// 04.10.2005 POL First release
package org.jahia.tools.imageprocess;
import ij.ImagePlus;
import ij.WindowManager;
import ij.io.FileSaver;
import ij.io.Opener;
import ij.plugin.PlugIn;
import ij.process.ImageProcessor;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ImageProcess {
private static final transient Logger logger = LoggerFactory
.getLogger(ImageProcess.class);
/**
* 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(InputStream istream, File outputFile, int size) throws IOException {
File parDir = outputFile.getParentFile();
if (!parDir.exists())
parDir.mkdir(); // create directory for thumbnails
// Load the input image.
File tmp = File.createTempFile("image", null);
FileOutputStream out = new FileOutputStream(tmp);
try {
IOUtils.copy(istream, out);
} finally {
IOUtils.closeQuietly(out);
}
Opener op = new Opener();
ImagePlus ip = op.openImage(tmp.getPath());
if (ip == null ) {
return false;
}
int type = op.getFileType(tmp.getPath());
tmp.delete();
ImageProcessor processor = ip.getProcessor();
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);
return save(type,ip,outputFile);
}
public static boolean save(int type, ImagePlus ip, File outputFile) {
switch (type) {
case Opener.TIFF:
return new FileSaver(ip).saveAsTiff(outputFile.getPath());
case Opener.GIF:
return new FileSaver(ip).saveAsGif(outputFile.getPath());
case Opener.JPEG:
return new FileSaver(ip).saveAsJpeg(outputFile.getPath());
case Opener.TEXT:
return new FileSaver(ip).saveAsText(outputFile.getPath());
case Opener.LUT:
return new FileSaver(ip).saveAsLut(outputFile.getPath());
case Opener.ZIP:
return new FileSaver(ip).saveAsZip(outputFile.getPath());
case Opener.BMP:
return new FileSaver(ip).saveAsBmp(outputFile.getPath());
case Opener.PNG:
ImagePlus tempImage = WindowManager.getTempCurrentImage();
WindowManager.setTempCurrentImage(ip);
PlugIn p =null;
try {
p = (PlugIn) Class.forName("ij.plugin.PNG_Writer").newInstance();
} catch (InstantiationException e) {
logger.error(e.getMessage(), e);
} catch (IllegalAccessException e) {
logger.error(e.getMessage(), e);
} catch (ClassNotFoundException e) {
logger.error(e.getMessage(), e);
}
p.run(outputFile.getPath());
WindowManager.setTempCurrentImage(tempImage);
return true;
case Opener.PGM:
return new FileSaver(ip).saveAsPgm(outputFile.getPath());
}
return false;
}
}