Source for org.jfree.chart.plot.ValueAxisPlot

   1: /* ===========================================================
   2:  * JFreeChart : a free chart library for the Java(tm) platform
   3:  * ===========================================================
   4:  *
   5:  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
   6:  *
   7:  * Project Info:  http://www.jfree.org/jfreechart/index.html
   8:  *
   9:  * 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: }