/**
* 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 org.apache.commons.io.IOUtils;
import org.im4java.core.ConvertCmd;
import org.im4java.core.IMOperation;
import org.im4java.core.Info;
import org.im4java.core.InfoException;
import org.im4java.process.ProcessStarter;
import org.jahia.api.Constants;
import org.jahia.services.content.JCRNodeWrapper;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* User: toto
* Date: 3/11/11
* Time: 11:33
*/
public class ImageMagickImageService implements JahiaImageService {
private static ImageMagickImageService instance;
private String imageMagickPath;
protected ImageMagickImageService() {
}
public void init() {
ProcessStarter.setGlobalSearchPath(imageMagickPath);
}
public static synchronized ImageMagickImageService getInstance() {
if (instance == null) {
instance = new ImageMagickImageService();
}
return instance;
}
public void setImageMagickPath(String imageMagickPath) {
this.imageMagickPath = imageMagickPath;
}
public Image getImage(JCRNodeWrapper node) throws IOException, RepositoryException {
File tmp = File.createTempFile("image", "tmp");
Node contentNode = node.getNode(Constants.JCR_CONTENT);
InputStream is = contentNode.getProperty(Constants.JCR_DATA).getStream();
OutputStream os = new BufferedOutputStream(new FileOutputStream(tmp));
try {
IOUtils.copy(is, os);
} finally {
IOUtils.closeQuietly(os);
IOUtils.closeQuietly(is);
}
return new ImageMagickImage(tmp, node.getPath());
}
private File getFile(Image i) {
return ((ImageMagickImage) i).getFile();
}
public boolean createThumb(Image iw, File outputFile, int size, boolean square) throws IOException {
try {
// create command
ConvertCmd cmd = new ConvertCmd();
// create the operation, add images and operators/options
IMOperation op = new IMOperation();
op.addImage(getFile(iw).getPath());
if(square) {
op.resize(size,size,"^");
op.gravity("center");
op.crop(size,size,0,0);
} else {
op.resize(size,size);
}
op.addImage(outputFile.getPath());
cmd.run(op);
} catch (Exception e) {
e.printStackTrace();
return false;
}
return true;
}
public int getHeight(Image i) throws IOException {
try {
Info imageInfo = new Info(getFile(i).getPath());
return Integer.parseInt(imageInfo.getProperty("Geometry").split("[x+]")[1]);
} catch (InfoException e) {
throw new IOException(e.getMessage());
}
}
public int getWidth(Image i) throws IOException {
try {
Info imageInfo = new Info(getFile(i).getPath());
return Integer.parseInt(imageInfo.getProperty("Geometry").split("[x+]")[0]);
} catch (InfoException e) {
throw new IOException(e.getMessage());
}
}
public boolean cropImage(Image i, File outputFile, int top, int left, int width, int height) throws IOException {
try {
// create command
ConvertCmd cmd = new ConvertCmd();
// create the operation, add images and operators/options
IMOperation op = new IMOperation();
op.addImage(getFile(i).getPath());
op.crop(width, height, left, top);
op.addImage(outputFile.getPath());
cmd.run(op);
} catch (Exception e) {
e.printStackTrace();
return false;
}
return true;
}
public boolean resizeImage(Image i, File outputFile, int width, int height) throws IOException {
try {
// create command
ConvertCmd cmd = new ConvertCmd();
// create the operation, add images and operators/options
IMOperation op = new IMOperation();
op.addImage(getFile(i).getPath());
op.resize(width, height);
op.addImage(outputFile.getPath());
cmd.run(op);
} catch (Exception e) {
e.printStackTrace();
return false;
}
return true;
}
public boolean rotateImage(Image i, File outputFile, boolean clockwise) throws IOException {
try {
// create command
ConvertCmd cmd = new ConvertCmd();
// create the operation, add images and operators/options
IMOperation op = new IMOperation();
op.addImage(getFile(i).getPath());
op.rotate(clockwise ? 90. : -90.);
op.addImage(outputFile.getPath());
cmd.run(op);
} catch (Exception e) {
e.printStackTrace();
return false;
}
return true;
}
}