01: /* ===========================================================
02: * JFreeChart : a free chart library for the Java(tm) platform
03: * ===========================================================
04: *
05: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
06: *
07: * Project Info: http://www.jfree.org/jfreechart/index.html
08: *
09: * This library is free software; you can redistribute it and/or modify it
10: * under the terms of the GNU Lesser General Public License as published by
11: * the Free Software Foundation; either version 2.1 of the License, or
12: * (at your option) any later version.
13: *
14: * This library is distributed in the hope that it will be useful, but
15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17: * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22: * USA.
23: *
24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25: * in the United States and other countries.]
26: *
27: * ------------------
28: * ValueAxisPlot.java
29: * ------------------
30: *
31: * (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.
32: *
33: * Original Author: David Gilbert (for Object Refinery Limited);
34: * Contributor(s): -;
35: *
36: * Changes
37: * -------
38: * 07-May-2003 : Version 1 (DG);
39: * 11-Nov-2004 : Changed Horizontal --> Domain and Vertical --> Range (DG);
40: * 12-Nov-2004 : Moved zooming methods to new Zoomable interface (DG);
41: *
42: */
43:
44: package org.jfree.chart.plot;
45:
46: import org.jfree.chart.axis.ValueAxis;
47: import org.jfree.data.Range;
48:
49: /**
50: * An interface that is implemented by plots that use a {@link ValueAxis},
51: * providing a standard method to find the current data range.
52: */
53: public interface ValueAxisPlot {
54:
55: /**
56: * Returns the data range that should apply for the specified axis.
57: *
58: * @param axis the axis.
59: *
60: * @return The data range.
61: */
62: public Range getDataRange(ValueAxis axis);
63:
64: }
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