using System.Drawing;

namespace DelftTools.Utils.Drawing
{
    public static class ColorHelper
    {
        private static readonly Color[] StandardColors = new[]
        {
            Color.BlueViolet,
            Color.Crimson,
            Color.Blue,
            Color.Green,
            Color.Magenta,
            Color.DarkOrange,
            Color.DodgerBlue,
            Color.Gold,
            Color.Indigo,
            Color.DarkGray,
            Color.DarkCyan,
            Color.Lime
        };

        /// <summary>
        /// Used only scripting until System.Drawing can be imported into a script
        /// </summary>
        public static Color Transparent
        {
            get
            {
                return Color.Transparent;
            }
        }

        public static Color GetIndexedColor(int index)
        {
            return StandardColors[index%StandardColors.Length];
        }

        public static Color GetIndexedColor(int alpha, int index)
        {
            return Color.FromArgb(alpha, StandardColors[index%StandardColors.Length]);
        }
    }
}