ColorParser.java

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// This file is part of MicropolisJ.
// Copyright (C) 2013 Jason Long
// Portions Copyright (C) 1989-2007 Electronic Arts Inc.
//
// MicropolisJ is free software; you can redistribute it and/or modify
// it under the terms of the GNU GPLv3, with additional terms.
// See the README file, included in this distribution, for details.

package micropolisj.gui;

import java.awt.Color;

public class ColorParser
{
        private ColorParser() {}

        static Color parseColor(String str)
        {
                if (str.startsWith("#") && str.length() == 7) {
                        return new Color(Integer.parseInt(str.substring(1), 16));
                }
                else if (str.startsWith("rgba(") && str.endsWith(")")) {
                        String [] parts = str.substring(5,str.length()-1).split(",");
                        int r = Integer.parseInt(parts[0]);
                        int g = Integer.parseInt(parts[1]);
                        int b = Integer.parseInt(parts[2]);
                        double aa = Double.parseDouble(parts[3]);
                        int a = Math.min(255, (int)Math.floor(aa*256.0));
                        return new Color(r,g,b,a);
                }
                else {
                        throw new Error("invalid color format: "+str);
                }
        }
}