001/* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2007, 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 * BlockParams.java
029 * ----------------
030 * (C) Copyright 2005, 2007, by Object Refinery Limited.
031 *
032 * Original Author:  David Gilbert (for Object Refinery Limited);
033 * Contributor(s):   -;
034 *
035 * Changes:
036 * --------
037 * 19-Apr-2005 : Version 1 (DG);
038 *
039 */
040
041package org.jfree.chart.block;
042
043/**
044 * A standard parameter object that can be passed to the draw() method defined
045 * by the {@link Block} class.
046 */
047public class BlockParams implements EntityBlockParams {
048    
049    /** 
050     * A flag that controls whether or not the block should generate and 
051     * return chart entities for the items it draws.
052     */
053    private boolean generateEntities;
054    
055    /** 
056     * The x-translation (used to enable chart entities to use global 
057     * coordinates rather than coordinates that are local to the container
058     * they are within).
059     */
060    private double translateX;
061    
062    /** 
063     * The y-translation (used to enable chart entities to use global 
064     * coordinates rather than coordinates that are local to the container
065     * they are within).
066     */
067    private double translateY;
068    
069    /**
070     * Creates a new instance.
071     */
072    public BlockParams() {
073        this.translateX = 0.0;
074        this.translateY = 0.0;
075        this.generateEntities = false;    
076    }
077    
078    /**
079     * Returns the flag that controls whether or not chart entities are 
080     * generated.
081     * 
082     * @return A boolean.
083     */
084    public boolean getGenerateEntities() {
085        return this.generateEntities;   
086    }
087    
088    /**
089     * Sets the flag that controls whether or not chart entities are generated.
090     * 
091     * @param generate  the flag.
092     */
093    public void setGenerateEntities(boolean generate) {
094        this.generateEntities = generate;   
095    }
096    
097    /**
098     * Returns the translation required to convert local x-coordinates back to
099     * the coordinate space of the container.
100     * 
101     * @return The x-translation amount.
102     */
103    public double getTranslateX() {
104        return this.translateX;   
105    }
106    
107    /**
108     * Sets the translation required to convert local x-coordinates into the
109     * coordinate space of the container.
110     * 
111     * @param x  the x-translation amount.
112     */
113    public void setTranslateX(double x) {
114        this.translateX = x;   
115    }
116    
117    /**
118     * Returns the translation required to convert local y-coordinates back to
119     * the coordinate space of the container.
120     * 
121     * @return The y-translation amount.
122     */
123    public double getTranslateY() {
124        return this.translateY;   
125    }
126    
127    /**
128     * Sets the translation required to convert local y-coordinates into the
129     * coordinate space of the container.
130     * 
131     * @param y  the y-translation amount.
132     */
133    public void setTranslateY(double y) {
134        this.translateY = y;   
135    }
136
137}