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 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:
23: package de.laures.cewolf.taglib.tags;
24:
25: import java.awt.Paint;
26: import java.awt.Rectangle;
27: import java.awt.RenderingHints;
28: import java.awt.TexturePaint;
29: import java.awt.geom.AffineTransform;
30: import java.awt.geom.Rectangle2D;
31: import java.awt.image.BufferedImage;
32: import java.awt.image.ColorModel;
33: import java.io.Serializable;
34:
35: import de.laures.cewolf.util.ImageHelper;
36:
37: /**
38: * Special texture paint which can be serialized.
39: * @see TexturePaint
40: * @author Guido Laures
41: */
42: public class SerializableTexturePaint implements Paint, Serializable {
43:
44: private String image;
45: private int width;
46: private int height;
47: private transient Paint paint = null;
48:
49: public SerializableTexturePaint() {
50: }
51:
52: /** Creates a new instance of SerializableGradientPaint */
53: public SerializableTexturePaint(String image, int width, int height) {
54: this .image = image;
55: this .width = width;
56: this .height = height;
57: }
58:
59: private Paint getPaint() {
60: if (paint == null) {
61: createPaint();
62: }
63: return paint;
64: }
65:
66: private void createPaint() {
67: BufferedImage bim = ImageHelper.loadBufferedImage(image);
68: Rectangle rect = new Rectangle(width, height);
69: paint = new TexturePaint(bim, rect);
70: }
71:
72: public java.awt.PaintContext createContext(ColorModel colorModel,
73: Rectangle rectangle, Rectangle2D rectangle2D,
74: AffineTransform affineTransform,
75: RenderingHints renderingHints) {
76: return getPaint().createContext(colorModel, rectangle,
77: rectangle2D, affineTransform, renderingHints);
78: }
79:
80: public int getTransparency() {
81: return getPaint().getTransparency();
82: }
83:
84: }
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