using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace IStation.WinFrmUI.Monitor
{
    public class ColorHelper
    {
        public static System.Drawing.Color GetRandomColor()
        {
            Random randomNum_1 = new Random(Guid.NewGuid().GetHashCode());
            System.Threading.Thread.Sleep(randomNum_1.Next(1));
            int int_Red = randomNum_1.Next(255);

            Random randomNum_2 = new Random((int)DateTime.Now.Ticks);
            int int_Green = randomNum_2.Next(255);

            Random randomNum_3 = new Random(Guid.NewGuid().GetHashCode());

            int int_Blue = randomNum_3.Next(255);
            int_Blue = (int_Red + int_Green > 380) ? int_Red + int_Green - 380 : int_Blue;
            int_Blue = (int_Blue > 255) ? 255 : int_Blue;


            return GetDarkerColor(System.Drawing.Color.FromArgb(int_Red, int_Green, int_Blue));
        }

        //获取加深颜色
        public static Color GetDarkerColor(Color color)
        {
            const int max = 255;
            int increase = new Random(Guid.NewGuid().GetHashCode()).Next(30, 255); //还可以根据需要调整此处的值


            int r = Math.Abs(Math.Min(color.R - increase, max));
            int g = Math.Abs(Math.Min(color.G - increase, max));
            int b = Math.Abs(Math.Min(color.B - increase, max));


            return Color.FromArgb(r, g, b);
        }
    }
}