Source for org.jfree.report.util.ScalingDrawable

   1: /**
   2:  * ========================================
   3:  * JFreeReport : a free Java report library
   4:  * ========================================
   5:  *
   6:  * Project Info:  http://reporting.pentaho.org/
   7:  *
   8:  * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
   9:  *
  10:  * This library is free software; you can redistribute it and/or modify it under the terms
  11:  * of the GNU Lesser General Public License as published by the Free Software Foundation;
  12:  * either version 2.1 of the License, or (at your option) any later version.
  13:  *
  14:  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  15:  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  16:  * See the GNU Lesser General Public License for more details.
  17:  *
  18:  * You should have received a copy of the GNU Lesser General Public License along with this
  19:  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  20:  * Boston, MA 02111-1307, USA.
  21:  *
  22:  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
  23:  * in the United States and other countries.]
  24:  *
  25:  * ------------
  26:  * $Id: ScalingDrawable.java 3525 2007-10-16 11:43:48Z tmorgner $
  27:  * ------------
  28:  * (C) Copyright 2000-2005, by Object Refinery Limited.
  29:  * (C) Copyright 2005-2007, by Pentaho Corporation.
  30:  */
  31: package org.jfree.report.util;
  32: 
  33: import java.awt.Graphics2D;
  34: import java.awt.geom.Rectangle2D;
  35: 
  36: import org.jfree.ui.Drawable;
  37: import org.jfree.ui.ExtendedDrawable;
  38: 
  39: /**
  40:  * Creation-Date: 20.01.2006, 19:46:10
  41:  *
  42:  * @author Thomas Morgner
  43:  */
  44: public class ScalingDrawable implements Drawable
  45: {
  46:   private float scaleX;
  47:   private float scaleY;
  48:   private ExtendedDrawable drawable;
  49: 
  50:   public ScalingDrawable()
  51:   {
  52:     scaleX = 1;
  53:     scaleY = 1;
  54:   }
  55: 
  56:   public ExtendedDrawable getDrawable()
  57:   {
  58:     return drawable;
  59:   }
  60: 
  61:   public void setDrawable(final ExtendedDrawable drawable)
  62:   {
  63:     this.drawable = drawable;
  64:   }
  65: 
  66:   public float getScaleY()
  67:   {
  68:     return scaleY;
  69:   }
  70: 
  71:   public void setScaleY(final float scaleY)
  72:   {
  73:     this.scaleY = scaleY;
  74:   }
  75: 
  76:   public float getScaleX()
  77:   {
  78:     return scaleX;
  79:   }
  80: 
  81:   public void setScaleX(final float scaleX)
  82:   {
  83:     this.scaleX = scaleX;
  84:   }
  85: 
  86:   /**
  87:    * Draws the object.
  88:    *
  89:    * @param g2   the graphics device.
  90:    * @param area the area inside which the object should be drawn.
  91:    */
  92:   public void draw(final Graphics2D g2, final Rectangle2D area)
  93:   {
  94:     if (drawable == null)
  95:     {
  96:       return;
  97:     }
  98:     final Graphics2D derived = (Graphics2D) g2.create();
  99:     derived.scale(scaleX, scaleY);
 100:     final Rectangle2D scaledArea = (Rectangle2D) area.clone();
 101:     scaledArea.setRect(scaledArea.getX() * scaleX, scaledArea.getY() * scaleY,
 102:             scaledArea.getWidth() * scaleX, scaledArea.getHeight() * scaleY);
 103:     drawable.draw(derived, scaledArea);
 104:     derived.dispose();
 105:   }
 106: }