Source for org.jfree.chart.block.ColorBlock

   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:  * ColorBlock.java
  29:  * ---------------
  30:  * (C) Copyright 2004, by Object Refinery Limited.
  31:  *
  32:  * Original Author:  David Gilbert (for Object Refinery Limited);
  33:  * Contributor(s):   -;
  34:  *
  35:  * $Id: ColorBlock.java,v 1.4.2.1 2005/10/25 20:39:38 mungady Exp $
  36:  *
  37:  * Changes:
  38:  * --------
  39:  * 22-Oct-2004 : Version 1 (DG);
  40:  * 20-Apr-2005 : Added new draw() method (DG);
  41:  * 
  42:  */
  43: 
  44: package org.jfree.chart.block;
  45: 
  46: import java.awt.Graphics2D;
  47: import java.awt.Paint;
  48: import java.awt.geom.Rectangle2D;
  49: 
  50: /**
  51:  * A block that is filled with a single color.
  52:  */
  53: public class ColorBlock extends AbstractBlock implements Block {
  54: 
  55:     private Paint paint;
  56:     
  57:     /**
  58:      * Creates a new block.
  59:      * 
  60:      * @param paint  the paint.
  61:      * @param width  the width.
  62:      * @param height  the height.
  63:      */
  64:     public ColorBlock(Paint paint, double width, double height) {
  65:         this.paint = paint;
  66:         setWidth(width);
  67:         setHeight(height);
  68:     }
  69: 
  70:     /**
  71:      * Draws the block.
  72:      * 
  73:      * @param g2  the graphics device.
  74:      * @param area  the area.
  75:      */
  76:     public void draw(Graphics2D g2, Rectangle2D area) {
  77:         Rectangle2D bounds = getBounds();
  78:         g2.setPaint(this.paint);
  79:         g2.fill(bounds);
  80:     }
  81:     
  82:     /**
  83:      * Draws the block within the specified area.
  84:      * 
  85:      * @param g2  the graphics device.
  86:      * @param area  the area.
  87:      * @param params  ignored (<code>null</code> permitted).
  88:      * 
  89:      * @return Always <code>null</code>.
  90:      */
  91:     public Object draw(Graphics2D g2, Rectangle2D area, Object params) {
  92:         draw(g2, area);
  93:         return null;
  94:     }
  95: 
  96: }