01: /**
02: * ===========================================
03: * JFreeReport : a free Java reporting library
04: * ===========================================
05: *
06: * Project Info: http://reporting.pentaho.org/
07: *
08: * (C) Copyright 2001-2007, by Object Refinery Ltd, Pentaho Corporation and Contributors.
09: *
10: * This library is free software; you can redistribute it and/or modify it under the terms
11: * of the GNU Lesser General Public License as published by the Free Software Foundation;
12: * either 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, but WITHOUT ANY WARRANTY;
15: * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16: * See the GNU Lesser General Public License for more details.
17: *
18: * You should have received a copy of the GNU Lesser General Public License along with this
19: * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20: * Boston, MA 02111-1307, USA.
21: *
22: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
23: * in the United States and other countries.]
24: *
25: * ------------
26: * LocalImageContainer.java
27: * ------------
28: * (C) Copyright 2001-2007, by Object Refinery Ltd, Pentaho Corporation and Contributors.
29: */package org.jfree.report;
30:
31: import java.awt.Image;
32:
33: /**
34: * The LocalImageContainer makes the image available as 'java.awt.Image' instance.
35: * This way, the image can be included in the local content creation process.
36: *
37: * @author Thomas Morgner
38: */
39: public interface LocalImageContainer extends ImageContainer {
40: /**
41: * Returns the image instance for this image container.
42: * This method might return <code>null</code>, if the image is
43: * not available.
44: *
45: * @return the image data.
46: */
47: public Image getImage();
48:
49: /**
50: * Returns the name of this image reference. The name returned should be unique.
51: *
52: * @return the name.
53: */
54: public String getName();
55:
56: /**
57: * Checks, whether this image has a assigned identity. Two identities should be equal,
58: * if the image contents are equal.
59: *
60: * @return true, if that image contains contains identity information, false otherwise.
61: */
62: public boolean isIdentifiable();
63:
64: /**
65: * Returns the identity information.
66: *
67: * @return the image identifier.
68: */
69: public Object getIdentity();
70: }
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