java/cewolf-1.0/src/main/java/de/laures/cewolf/taglib/tags/SerializableGradientPaint.java
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/java/cewolf-1.0/src/main/java/de/laures/cewolf/taglib/tags/SerializableGradientPaint.java Sat Feb 28 21:31:02 2009 +0100
1.3 @@ -0,0 +1,103 @@
1.4 +/* ================================================================
1.5 + * Cewolf : Chart enabling Web Objects Framework
1.6 + * ================================================================
1.7 + *
1.8 + * Project Info: http://cewolf.sourceforge.net
1.9 + * Project Lead: Guido Laures (guido@laures.de);
1.10 + *
1.11 + * (C) Copyright 2002, by Guido Laures
1.12 + *
1.13 + * This library is free software; you can redistribute it and/or modify it under the terms
1.14 + * of the GNU Lesser General Public License as published by the Free Software Foundation;
1.15 + * either version 2.1 of the License, or (at your option) any later version.
1.16 + *
1.17 + * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
1.18 + * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
1.19 + * See the GNU Lesser General Public License for more details.
1.20 + *
1.21 + * You should have received a copy of the GNU Lesser General Public License along with this
1.22 + * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
1.23 + * Boston, MA 02111-1307, USA.
1.24 + */
1.25 +
1.26 +package de.laures.cewolf.taglib.tags;
1.27 +
1.28 +import java.awt.Color;
1.29 +import java.awt.GradientPaint;
1.30 +import java.awt.Paint;
1.31 +import java.awt.Rectangle;
1.32 +import java.awt.RenderingHints;
1.33 +import java.awt.geom.AffineTransform;
1.34 +import java.awt.geom.Rectangle2D;
1.35 +import java.awt.image.ColorModel;
1.36 +import java.io.Serializable;
1.37 +
1.38 +/**
1.39 + * Special gradient paint which can be serialized.
1.40 + * @see GradientPaint
1.41 + * @author Guido Laures
1.42 + */
1.43 +public class SerializableGradientPaint implements Paint, Serializable {
1.44 +
1.45 + private int x1;
1.46 + private int y1;
1.47 + private Color c1 = Color.white;
1.48 + private int x2;
1.49 + private int y2;
1.50 + private Color c2 = Color.white;
1.51 + private boolean cyclic = false;
1.52 + private transient Paint paint = null;
1.53 +
1.54 + public SerializableGradientPaint() {
1.55 + }
1.56 +
1.57 + /** Creates a new instance of SerializableGradientPaint */
1.58 + public SerializableGradientPaint(int x1, int y1, Color c1, int x2, int y2, Color c2) {
1.59 + this.x1 = x1;
1.60 + this.y1 = y1;
1.61 + this.c1 = c1;
1.62 + this.x2 = x2;
1.63 + this.y2 = y2;
1.64 + this.c2 = c2;
1.65 + }
1.66 +
1.67 + private Paint getPaint() {
1.68 + if (paint == null) {
1.69 + createPaint();
1.70 + }
1.71 + return paint;
1.72 + }
1.73 +
1.74 + private void createPaint() {
1.75 + paint = new GradientPaint(x1, y1, c1, x2, y2, c2, cyclic);
1.76 + }
1.77 +
1.78 + public void setPoint1(int x, int y, Color c) {
1.79 + this.x1 = x;
1.80 + this.y1 = y;
1.81 + this.c1 = c;
1.82 + }
1.83 +
1.84 + public void setPoint2(int x, int y, Color c) {
1.85 + this.x2 = x;
1.86 + this.y2 = y;
1.87 + this.c2 = c;
1.88 + }
1.89 +
1.90 + public java.awt.PaintContext createContext(ColorModel colorModel, Rectangle rectangle, Rectangle2D rectangle2D,
1.91 + AffineTransform affineTransform, RenderingHints renderingHints) {
1.92 + return getPaint().createContext(colorModel, rectangle, rectangle2D, affineTransform, renderingHints);
1.93 + }
1.94 +
1.95 + public int getTransparency() {
1.96 + return getPaint().getTransparency();
1.97 + }
1.98 +
1.99 + public void setCyclic(boolean b) {
1.100 + this.cyclic = b;
1.101 + }
1.102 +
1.103 + public String toString() {
1.104 + return "" + x1 + "," + y1 + "," + c1 + "," + x2 + "," + y2 + "," + c2;
1.105 + }
1.106 +}