001 /* =========================================================== 002 * JFreeChart : a free chart library for the Java(tm) platform 003 * =========================================================== 004 * 005 * (C) Copyright 2000-2005, 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 * PiePlotState.java 029 * ----------------- 030 * (C) Copyright 2004, by Object Refinery Limited. 031 * 032 * Original Author: David Gilbert (for Object Refinery Limited); 033 * Contributor(s): -; 034 * 035 * $Id: PiePlotState.java,v 1.3.2.1 2005/10/25 20:52:08 mungady Exp $ 036 * 037 * Changes 038 * ------- 039 * 06-Mar-2004 : Version 1 (DG); 040 * 041 */ 042 043 package org.jfree.chart.plot; 044 045 import java.awt.geom.Rectangle2D; 046 047 import org.jfree.chart.renderer.RendererState; 048 049 /** 050 * A renderer state. 051 */ 052 public class PiePlotState extends RendererState { 053 054 /** The number of passes required by the renderer. */ 055 private int passesRequired; 056 057 /** The total of the values in the dataset. */ 058 private double total; 059 060 /** The latest angle. */ 061 private double latestAngle; 062 063 /** The exploded pie area. */ 064 private Rectangle2D explodedPieArea; 065 066 /** The pie area. */ 067 private Rectangle2D pieArea; 068 069 /** The center of the pie in Java 2D coordinates. */ 070 private double pieCenterX; 071 072 /** The center of the pie in Java 2D coordinates. */ 073 private double pieCenterY; 074 075 /** The vertical pie radius. */ 076 private double pieHRadius; 077 078 /** The horizontal pie radius. */ 079 private double pieWRadius; 080 081 /** The link area. */ 082 private Rectangle2D linkArea; 083 084 /** 085 * Creates a new object for recording temporary state information for a 086 * renderer. 087 * 088 * @param info the plot rendering info. 089 */ 090 public PiePlotState(PlotRenderingInfo info) { 091 super(info); 092 this.passesRequired = 1; 093 this.total = 0.0; 094 } 095 096 /** 097 * Returns the number of passes required by the renderer. 098 * 099 * @return The number of passes. 100 */ 101 public int getPassesRequired() { 102 return this.passesRequired; 103 } 104 105 /** 106 * Sets the number of passes required by the renderer. 107 * 108 * @param passes the passes. 109 */ 110 public void setPassesRequired(int passes) { 111 this.passesRequired = passes; 112 } 113 114 /** 115 * Returns the total of the values in the dataset. 116 * 117 * @return The total. 118 */ 119 public double getTotal() { 120 return this.total; 121 } 122 123 /** 124 * Sets the total. 125 * 126 * @param total the total. 127 */ 128 public void setTotal(double total) { 129 this.total = total; 130 } 131 132 /** 133 * Returns the latest angle. 134 * 135 * @return The latest angle. 136 */ 137 public double getLatestAngle() { 138 return this.latestAngle; 139 } 140 141 /** 142 * Sets the latest angle. 143 * 144 * @param angle the angle. 145 */ 146 public void setLatestAngle(double angle) { 147 this.latestAngle = angle; 148 } 149 150 /** 151 * Returns the pie area. 152 * 153 * @return The pie area. 154 */ 155 public Rectangle2D getPieArea() { 156 return this.pieArea; 157 } 158 159 /** 160 * Sets the pie area. 161 * 162 * @param area the area. 163 */ 164 public void setPieArea(Rectangle2D area) { 165 this.pieArea = area; 166 } 167 168 /** 169 * Returns the exploded pie area. 170 * 171 * @return The exploded pie area. 172 */ 173 public Rectangle2D getExplodedPieArea() { 174 return this.explodedPieArea; 175 } 176 177 /** 178 * Sets the exploded pie area. 179 * 180 * @param area the area. 181 */ 182 public void setExplodedPieArea(Rectangle2D area) { 183 this.explodedPieArea = area; 184 } 185 186 /** 187 * Returns the x-coordinate of the center of the pie chart. 188 * 189 * @return The x-coordinate (in Java2D space). 190 */ 191 public double getPieCenterX() { 192 return this.pieCenterX; 193 } 194 195 /** 196 * Sets the x-coordinate of the center of the pie chart. 197 * 198 * @param x the x-coordinate (in Java2D space). 199 */ 200 public void setPieCenterX(double x) { 201 this.pieCenterX = x; 202 } 203 204 /** 205 * Returns the y-coordinate (in Java2D space) of the center of the pie 206 * chart. For the {@link PiePlot3D} class, we derive this from the top of 207 * the pie. 208 * 209 * @return The y-coordinate (in Java2D space). 210 */ 211 public double getPieCenterY() { 212 return this.pieCenterY; 213 } 214 215 /** 216 * Sets the y-coordinate of the center of the pie chart. This method is 217 * used by the plot and typically is not called directly by applications. 218 * 219 * @param y the y-coordinate (in Java2D space). 220 */ 221 public void setPieCenterY(double y) { 222 this.pieCenterY = y; 223 } 224 225 /** 226 * Returns the link area. This defines the "dog-leg" point for the label 227 * linking lines. 228 * 229 * @return The link area. 230 */ 231 public Rectangle2D getLinkArea() { 232 return this.linkArea; 233 } 234 235 /** 236 * Sets the label link area. This defines the "dog-leg" point for the 237 * label linking lines. 238 * 239 * @param area the area. 240 */ 241 public void setLinkArea(Rectangle2D area) { 242 this.linkArea = area; 243 } 244 245 /** 246 * Returns the vertical pie radius. 247 * 248 * @return The radius. 249 */ 250 public double getPieHRadius() { 251 return this.pieHRadius; 252 } 253 254 /** 255 * Sets the vertical pie radius. 256 * 257 * @param radius the radius. 258 */ 259 public void setPieHRadius(double radius) { 260 this.pieHRadius = radius; 261 } 262 263 /** 264 * Returns the horizontal pie radius. 265 * 266 * @return The radius. 267 */ 268 public double getPieWRadius() { 269 return this.pieWRadius; 270 } 271 272 /** 273 * Sets the horizontal pie radius. 274 * 275 * @param radius the radius. 276 */ 277 public void setPieWRadius(double radius) { 278 this.pieWRadius = radius; 279 } 280 281 }