01: /* ================================================================
02: * Cewolf : Chart enabling Web Objects Framework
03: * ================================================================
04: *
05: * Project Info: http://cewolf.sourceforge.net
06: * Project Lead: Guido Laures (guido@laures.de);
07: *
08: * (C) Copyright 2002, by Guido Laures
09: *
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
13: * the License, or (at your option) any later version.
14: *
15: * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
16: * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
17: * See the GNU Lesser General Public License for more details.
18: *
19: * You should have received a copy of the GNU Lesser General Public License along with this
20: * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
21: * Boston, MA 02111-1307, USA.
22: */
23:
24: package de.laures.cewolf.taglib.tags;
25:
26: import java.awt.Color;
27:
28: /**
29: * Tag <gradient-paint> which defines a paint of type gradient.
30: * @author Guido Laures
31: */
32: public class GradientTag extends CewolfTag implements Pointed {
33:
34: private SerializableGradientPaint gPaint = new SerializableGradientPaint();
35: private int pointCount = 0;
36:
37: public int doStartTag() {
38: return EVAL_PAGE;
39: }
40:
41: public int doEndTag() {
42: ((Painted) getParent()).setPaint(gPaint);
43: return doAfterEndTag(EVAL_PAGE);
44: }
45:
46: public void reset() {
47: gPaint = new SerializableGradientPaint();
48: pointCount = 0;
49: }
50:
51: public void addPoint(int x, int y, Color c) {
52: switch (pointCount) {
53: case 0:
54: gPaint.setPoint1(x, y, c);
55: break;
56: default:
57: gPaint.setPoint2(x, y, c);
58: }
59: pointCount++;
60: }
61:
62: /**
63: * Setter for property cyclic.
64: * @param cyclic New value of property cyclic.
65: */
66: public void setCyclic(boolean cyclic) {
67: gPaint.setCyclic(cyclic);
68: }
69:
70: }
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