/* ================================================================

  * Cewolf : Chart enabling Web Objects Framework

  * ================================================================

  *

  * Project Info:  http://cewolf.sourceforge.net

  * Project Lead:  Guido Laures (guido@laures.de);

  *

  * (C) Copyright 2002, by Guido Laures

  *

  * This library is free software; you can redistribute it and/or modify it under the terms

  * of the GNU Lesser General Public License as published by the Free Software Foundation;

  * either version 2.1 of the License, or (at your option) any later version.

  *

  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;

  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

  * See the GNU Lesser General Public License for more details.

  *

  * You should have received a copy of the GNU Lesser General Public License along with this

  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,

  * Boston, MA 02111-1307, USA.

  */

 package de.laures.cewolf.taglib.tags;

 import java.awt.Color;

 import java.awt.GradientPaint;

 import java.awt.Paint;

 import java.awt.Rectangle;

 import java.awt.RenderingHints;

 import java.awt.geom.AffineTransform;

 import java.awt.geom.Rectangle2D;

 import java.awt.image.ColorModel;

 import java.io.Serializable;

 /** 

  * Special gradient paint which can be serialized.

  * @see GradientPaint

  * @author  Guido Laures 

  */

 public class SerializableGradientPaint implements Paint, Serializable {

     private int x1;

     private int y1;

     private Color c1 = Color.white;

     private int x2;

     private int y2;

     private Color c2 = Color.white;

     private boolean cyclic = false;

     private transient Paint paint = null;

     public SerializableGradientPaint() {

     }

     /** Creates a new instance of SerializableGradientPaint */

     public SerializableGradientPaint(int x1, int y1, Color c1, int x2, int y2, Color c2) {

         this.x1 = x1;

         this.y1 = y1;

         this.c1 = c1;

         this.x2 = x2;

         this.y2 = y2;

         this.c2 = c2;

     }

     private Paint getPaint() {

         if (paint == null) {

             createPaint();

         }

         return paint;

     }

     private void createPaint() {

         paint = new GradientPaint(x1, y1, c1, x2, y2, c2, cyclic);

     }

     public void setPoint1(int x, int y, Color c) {

         this.x1 = x;

         this.y1 = y;

         this.c1 = c;

     }

     public void setPoint2(int x, int y, Color c) {

         this.x2 = x;

         this.y2 = y;

         this.c2 = c;

     }

     public java.awt.PaintContext createContext(ColorModel colorModel, Rectangle rectangle, Rectangle2D rectangle2D,

     AffineTransform affineTransform, RenderingHints renderingHints) {

         return getPaint().createContext(colorModel, rectangle, rectangle2D, affineTransform, renderingHints);

     }

     public int getTransparency() {

         return getPaint().getTransparency();

     }

     public void setCyclic(boolean b) {

         this.cyclic = b;

     }

     public String toString() {

         return "" + x1 + "," + y1 + "," + c1 + "," + x2 + "," + y2 + "," + c2;

     }

 }