Coverage details for net.sourceforge.demetrix.util.JGraphExporter

LineHitsSource
1 /*******************************************************************************
2  * Demetrix process modelling system
3  *
4  * Copyright (c) 2003, 2004 Dimitri A. Pissarenko
5  *
6  * This file is part of Demetrix.
7  *
8  * Demetrix is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2.1 of the License, or
11  * (at your option) any later version.
12  *
13  * Demetrix is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with Demetrix; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21  *
22  * For further information you may
23  *
24  * - send an e-mail in Russian, German or English to dimitri.pissarenko@gmx.net
25  * - look at http://sourceforge.net/projects/demetrix/
26  * - look at http://demetrix.sourceforge.net/
27  * - look at http://members.inode.at/d.pissarenko/
28  *
29  *****************************************************************************/
30 /*
31  * Created on 15.01.2004
32  */
33 package net.sourceforge.demetrix.util;
34  
35 import java.awt.Graphics2D;
36 import java.awt.image.BufferedImage;
37 import java.io.File;
38 import java.io.IOException;
39  
40 import javax.imageio.ImageIO;
41  
42 import org.apache.log4j.Logger;
43 import org.jgraph.JGraph;
44  
45 /**
46  * @author Dimitri Pissarenko
47  *
48  */
49 public class JGraphExporter {
50     private static JGraphExporter instance;
51     private Logger logger=Logger.getLogger(getClass());
52     public final static String PNG_FORMAT = "png";
53     private JGraphExporter()
540    {
550    }
56     public static JGraphExporter getInstance()
57     {
580        if (instance==null)
59         {
600            instance=new JGraphExporter();
61         }
620        return instance;
63     }
64     public void exportJGraph(JGraph jgraph, String fileFormat, File file)
65     {
660        Graphics2D graphics2D=null;
670        BufferedImage img=null;
68  
69             
700        img = new BufferedImage(jgraph.getPreferredScrollableViewportSize().width, jgraph.getPreferredScrollableViewportSize().height, BufferedImage.TYPE_INT_RGB);
710        graphics2D=(Graphics2D)img.getGraphics();
720        jgraph.paint(graphics2D);
730        graphics2D.dispose();
74         
75         try
76         {
770            ImageIO.write(img, fileFormat, file);
78         }
790        catch (IOException exception)
80         {
81             this.logger.error("", exception);
820        }
830    }
84 }

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