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
franta-hg@1:  * 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: 
franta-hg@1: 
franta-hg@1: /** 
franta-hg@1:  * Tag <gradient-paint> which defines a paint of type gradient.
franta-hg@1:  * @author  Guido Laures 
franta-hg@1:  */
franta-hg@1: public class GradientTag extends CewolfTag implements Pointed {
franta-hg@1: 
franta-hg@1:     private SerializableGradientPaint gPaint = new SerializableGradientPaint();
franta-hg@1:     private int pointCount = 0;
franta-hg@1: 
franta-hg@1:     public int doStartTag() {
franta-hg@1:         return EVAL_PAGE;
franta-hg@1:     }
franta-hg@1: 
franta-hg@1:     public int doEndTag() {
franta-hg@1:         ((Painted)getParent()).setPaint(gPaint);
franta-hg@1:         return doAfterEndTag(EVAL_PAGE);
franta-hg@1:     }
franta-hg@1: 
franta-hg@1:     public void reset() {
franta-hg@1:         gPaint = new SerializableGradientPaint();
franta-hg@1:         pointCount = 0;
franta-hg@1:     }
franta-hg@1: 
franta-hg@1:     public void addPoint(int x, int y, Color c) {
franta-hg@1:         switch (pointCount) {
franta-hg@1:             case 0:
franta-hg@1:                 gPaint.setPoint1(x, y, c);
franta-hg@1:                 break;
franta-hg@1:             default:
franta-hg@1:                 gPaint.setPoint2(x, y, c);
franta-hg@1:         }
franta-hg@1:         pointCount ++;
franta-hg@1:     }
franta-hg@1: 
franta-hg@1:     /**
franta-hg@1:      * Setter for property cyclic.
franta-hg@1:      * @param cyclic New value of property cyclic.
franta-hg@1:      */
franta-hg@1:     public void setCyclic(boolean cyclic) {
franta-hg@1:         gPaint.setCyclic(cyclic);
franta-hg@1:     }
franta-hg@1: 
franta-hg@1: }