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/util/ColorHelper.java Sat Feb 28 21:31:02 2009 +0100
1.3 @@ -0,0 +1,56 @@
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.util;
1.27 +
1.28 +import java.awt.Color;
1.29 +
1.30 +
1.31 +/** @author Guido Laures */
1.32 +public class ColorHelper {
1.33 +
1.34 + private ColorHelper() {
1.35 + }
1.36 +
1.37 + public static final Color getColor(String hexString) {
1.38 + try {
1.39 + if (hexString == null || hexString.length() < 7) {
1.40 + return Color.black;
1.41 + }
1.42 + final int red = Integer.parseInt(hexString.substring(1, 3), 16);
1.43 + final int green = Integer.parseInt(hexString.substring(3, 5), 16);
1.44 + final int blue = Integer.parseInt(hexString.substring(5, 7), 16);
1.45 + int alpha = 0;
1.46 + if (hexString.length() > 8) {
1.47 + alpha = Integer.parseInt(hexString.substring(7, 9), 16);
1.48 + }
1.49 + if (alpha > 0) {
1.50 + return new Color(red, green, blue, alpha);
1.51 + } else {
1.52 + return new Color(red, green, blue);
1.53 + }
1.54 + } catch (NumberFormatException nfe) {
1.55 + return Color.black;
1.56 + }
1.57 + }
1.58 +
1.59 +}