ColorUtil.java

/*
 * Copyright (c) 2012. HappyDroids LLC, All rights reserved.
 */

package com.happydroids.droidtowers;

import com.badlogic.gdx.graphics.Color;

import static java.lang.Integer.valueOf;

public class ColorUtil {
  public static Color rgba(String colorStr) {
    if (colorStr.charAt(0) == '#') {
      colorStr = colorStr.substring(1);
    }

    if (colorStr.length() == 3 || colorStr.length() == 4) {
      String finalColor = "";

      for (char c : colorStr.toCharArray()) {
        finalColor += String.valueOf(c) + String.valueOf(c);
      }

      colorStr = finalColor;
    }

    if (colorStr.length() < 8) {
      colorStr = colorStr + "FF";
    }

    return new Color(valueOf(colorStr.substring(0, 2), 16) / 255f,
                            valueOf(colorStr.substring(2, 4), 16) / 255f,
                            valueOf(colorStr.substring(4, 6), 16) / 255f,
                            valueOf(colorStr.substring(6, 8), 16) / 255f);
  }
}