franta-hg@1: /* ================================================================
franta-hg@1:  * Cewolf : Chart enabling Web Objects Framework
franta-hg@1:  * ================================================================
franta-hg@1:  *
franta-hg@1:  * Project Info:  http://cewolf.sourceforge.net
franta-hg@1:  * Project Lead:  Guido Laures (guido@laures.de);
franta-hg@1:  *
franta-hg@1:  * (C) Copyright 2002, by Guido Laures
franta-hg@1:  *
franta-hg@1:  * This library is free software; you can redistribute it and/or modify it under the terms
franta-hg@1:  * of the GNU Lesser General Public License as published by the Free Software Foundation;
franta-hg@1:  * either version 2.1 of the License, or (at your option) any later version.
franta-hg@1:  *
franta-hg@1:  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
franta-hg@1:  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
franta-hg@1:  * See the GNU Lesser General Public License for more details.
franta-hg@1:  *
franta-hg@1:  * You should have received a copy of the GNU Lesser General Public License along with this
franta-hg@1:  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
franta-hg@1:  * Boston, MA 02111-1307, USA.
franta-hg@1:  */
franta-hg@1: 
franta-hg@1: package de.laures.cewolf.taglib.tags;
franta-hg@1: 
franta-hg@1: import java.awt.Color;
franta-hg@1: import java.awt.GradientPaint;
franta-hg@1: import java.awt.Paint;
franta-hg@1: import java.awt.Rectangle;
franta-hg@1: import java.awt.RenderingHints;
franta-hg@1: import java.awt.geom.AffineTransform;
franta-hg@1: import java.awt.geom.Rectangle2D;
franta-hg@1: import java.awt.image.ColorModel;
franta-hg@1: import java.io.Serializable;
franta-hg@1: 
franta-hg@1: /** 
franta-hg@1:  * Special gradient paint which can be serialized.
franta-hg@1:  * @see GradientPaint
franta-hg@1:  * @author  Guido Laures 
franta-hg@1:  */
franta-hg@1: public class SerializableGradientPaint implements Paint, Serializable {
franta-hg@1: 
franta-hg@1:     private int x1;
franta-hg@1:     private int y1;
franta-hg@1:     private Color c1 = Color.white;
franta-hg@1:     private int x2;
franta-hg@1:     private int y2;
franta-hg@1:     private Color c2 = Color.white;
franta-hg@1:     private boolean cyclic = false;
franta-hg@1:     private transient Paint paint = null;
franta-hg@1: 
franta-hg@1:     public SerializableGradientPaint() {
franta-hg@1:     }
franta-hg@1: 
franta-hg@1:     /** Creates a new instance of SerializableGradientPaint */
franta-hg@1:     public SerializableGradientPaint(int x1, int y1, Color c1, int x2, int y2, Color c2) {
franta-hg@1:         this.x1 = x1;
franta-hg@1:         this.y1 = y1;
franta-hg@1:         this.c1 = c1;
franta-hg@1:         this.x2 = x2;
franta-hg@1:         this.y2 = y2;
franta-hg@1:         this.c2 = c2;
franta-hg@1:     }
franta-hg@1: 
franta-hg@1:     private Paint getPaint() {
franta-hg@1:         if (paint == null) {
franta-hg@1:             createPaint();
franta-hg@1:         }
franta-hg@1:         return paint;
franta-hg@1:     }
franta-hg@1: 
franta-hg@1:     private void createPaint() {
franta-hg@1:         paint = new GradientPaint(x1, y1, c1, x2, y2, c2, cyclic);
franta-hg@1:     }
franta-hg@1: 
franta-hg@1:     public void setPoint1(int x, int y, Color c) {
franta-hg@1:         this.x1 = x;
franta-hg@1:         this.y1 = y;
franta-hg@1:         this.c1 = c;
franta-hg@1:     }
franta-hg@1: 
franta-hg@1:     public void setPoint2(int x, int y, Color c) {
franta-hg@1:         this.x2 = x;
franta-hg@1:         this.y2 = y;
franta-hg@1:         this.c2 = c;
franta-hg@1:     }
franta-hg@1: 
franta-hg@1:     public java.awt.PaintContext createContext(ColorModel colorModel, Rectangle rectangle, Rectangle2D rectangle2D,
franta-hg@1:     AffineTransform affineTransform, RenderingHints renderingHints) {
franta-hg@1:         return getPaint().createContext(colorModel, rectangle, rectangle2D, affineTransform, renderingHints);
franta-hg@1:     }
franta-hg@1: 
franta-hg@1:     public int getTransparency() {
franta-hg@1:         return getPaint().getTransparency();
franta-hg@1:     }
franta-hg@1: 
franta-hg@1:     public void setCyclic(boolean b) {
franta-hg@1:         this.cyclic = b;
franta-hg@1:     }
franta-hg@1: 
franta-hg@1:     public String toString() {
franta-hg@1:         return "" + x1 + "," + y1 + "," + c1 + "," + x2 + "," + y2 + "," + c2;
franta-hg@1:     }
franta-hg@1: }