Converts a color string. - Java 2D Graphics

Java examples for 2D Graphics:Color String

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Description

Converts a color string.

Demo Code

/*/*w w  w .  jav  a2  s.  c o m*/
 * JGrass - Free Open Source Java GIS http://www.jgrass.org 
 * (C) HydroloGIS - www.hydrologis.com 
 * 
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Library General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option) any
 * later version.
 * 
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Library General Public License
 * along with this library; if not, write to the Free Foundation, Inc., 59
 * Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
//package com.java2s;
import java.awt.Color;

public class Main {
    public static void main(String[] argv) throws Exception {
        String rbgString = "java2s.com";
        System.out.println(colorFromRbgString(rbgString));
    }

    /**
     * Converts a color string.
     * 
     * @param rbgString the string in the form "r,g,b,a" as integer values between 0 and 255.
     * @return the {@link Color}.
     */
    public static Color colorFromRbgString(String rbgString) {
        String[] split = rbgString.split(",");
        if (split.length < 3 || split.length > 4) {
            throw new IllegalArgumentException(
                    "Color string has to be of type r,g,b.");
        }
        int r = (int) Double.parseDouble(split[0].trim());
        int g = (int) Double.parseDouble(split[1].trim());
        int b = (int) Double.parseDouble(split[2].trim());
        Color c = null;
        if (split.length == 4) {
            // alpha
            int a = (int) Double.parseDouble(split[3].trim());
            c = new Color(r, g, b, a);
        } else {
            c = new Color(r, g, b);
        }

        return c;
    }
}

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