001 /* =========================================================== 002 * JFreeChart : a free chart library for the Java(tm) platform 003 * =========================================================== 004 * 005 * (C) Copyright 2000-2006, by Object Refinery Limited and Contributors. 006 * 007 * Project Info: http://www.jfree.org/jfreechart/index.html 008 * 009 * This library is free software; you can redistribute it and/or modify it 010 * under the terms of the GNU Lesser General Public License as published by 011 * the Free Software Foundation; either version 2.1 of the License, or 012 * (at your option) any later version. 013 * 014 * This library is distributed in the hope that it will be useful, but 015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 017 * License for more details. 018 * 019 * You should have received a copy of the GNU Lesser General Public 020 * License along with this library; if not, write to the Free Software 021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 022 * USA. 023 * 024 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 025 * in the United States and other countries.] 026 * 027 * ------------- 028 * Zoomable.java 029 * ------------- 030 * 031 * (C) Copyright 2004, 2006, by Object Refinery Limited and Contributors. 032 * 033 * Original Author: David Gilbert (for Object Refinery Limited); 034 * Contributor(s): Rune Fauske; 035 * 036 * Changes 037 * ------- 038 * 12-Nov-2004 : Version 1 (DG); 039 * 26-Jan-2004 : Added getOrientation() method (DG); 040 * 04-Sep-2006 : Added credit for Rune Fauske, see patch 1050659 (DG); 041 * 042 */ 043 044 package org.jfree.chart.plot; 045 046 import java.awt.geom.Point2D; 047 048 import org.jfree.chart.ChartPanel; 049 050 /** 051 * A plot that is zoomable must implement this interface to provide a 052 * mechanism for the {@link ChartPanel} to control the zooming. 053 */ 054 public interface Zoomable { 055 056 /** 057 * Returns <code>true</code> if the plot's domain is zoomable, and 058 * <code>false</code> otherwise. 059 * 060 * @return A boolean. 061 */ 062 public boolean isDomainZoomable(); 063 064 /** 065 * Returns <code>true</code> if the plot's range is zoomable, and 066 * <code>false</code> otherwise. 067 * 068 * @return A boolean. 069 */ 070 public boolean isRangeZoomable(); 071 072 /** 073 * Returns the orientation of the plot. 074 * 075 * @return The orientation. 076 */ 077 public PlotOrientation getOrientation(); 078 079 /** 080 * Multiplies the range on the domain axis/axes by the specified factor. 081 * 082 * @param factor the zoom factor. 083 * @param state the plot state. 084 * @param source the source point (in Java2D coordinates). 085 */ 086 public void zoomDomainAxes(double factor, PlotRenderingInfo state, 087 Point2D source); 088 089 /** 090 * Zooms in on the domain axes. 091 * 092 * @param lowerPercent the new lower bound. 093 * @param upperPercent the new upper bound. 094 * @param state the plot state. 095 * @param source the source point (in Java2D coordinates). 096 */ 097 public void zoomDomainAxes(double lowerPercent, double upperPercent, 098 PlotRenderingInfo state, Point2D source); 099 100 /** 101 * Multiplies the range on the range axis/axes by the specified factor. 102 * 103 * @param factor the zoom factor. 104 * @param state the plot state. 105 * @param source the source point (in Java2D coordinates). 106 */ 107 public void zoomRangeAxes(double factor, PlotRenderingInfo state, 108 Point2D source); 109 110 /** 111 * Zooms in on the range axes. 112 * 113 * @param lowerPercent the new lower bound. 114 * @param upperPercent the new upper bound. 115 * @param state the plot state. 116 * @param source the source point (in Java2D coordinates). 117 */ 118 public void zoomRangeAxes(double lowerPercent, double upperPercent, 119 PlotRenderingInfo state, Point2D source); 120 121 }