01: /*
02: * ============================================================================
03: * GNU Lesser General Public License
04: * ============================================================================
05: *
06: * JasperReports - Free Java report-generating library.
07: * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
08: *
09: * This library is free software; you can redistribute it and/or
10: * modify it under the terms of the GNU Lesser General Public
11: * License as published by the Free Software Foundation; either
12: * version 2.1 of the License, or (at your option) any later version.
13: *
14: * This library is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17: * Lesser General Public License for more details.
18: *
19: * You should have received a copy of the GNU Lesser General Public
20: * License along with this library; if not, write to the Free Software
21: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22: *
23: * JasperSoft Corporation
24: * 303 Second Street, Suite 450 North
25: * San Francisco, CA 94107
26: * http://www.jaspersoft.com
27: */
28: package net.sf.jasperreports.engine.util;
29:
30: import java.awt.Image;
31: import java.awt.MediaTracker;
32: import java.awt.Panel;
33: import java.awt.Toolkit;
34:
35: import net.sf.jasperreports.engine.JRException;
36:
37: /**
38: * @author Teodor Danciu (teodord@users.sourceforge.net)
39: * @version $Id: JRJdk13ImageReader.java 1664 2007-03-26 09:48:03Z lucianc $
40: */
41: public class JRJdk13ImageReader implements JRImageReader {
42:
43: /**
44: *
45: */
46: public Image readImage(byte[] bytes) throws JRException {
47: Image image = Toolkit.getDefaultToolkit().createImage(bytes);
48:
49: MediaTracker tracker = new MediaTracker(new Panel());
50: tracker.addImage(image, 0);
51: try {
52: tracker.waitForID(0);
53: } catch (Exception e) {
54: //image = null;
55: throw new JRException(e);
56: }
57:
58: if (tracker.isErrorID(0)) {
59: throw new JRException("Image read failed.");
60: }
61:
62: return image;
63: }
64:
65: }
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