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

namespace Rs.Controls
{
    public enum EButtonMode
    {
        MIN,
        MAX,
        CLOSE,
        NOMAL
    }
    public class IconButton:Button
    {
        public EButtonMode ButtonType { get; set; } = EButtonMode.MIN;
        protected override void OnPaint(PaintEventArgs pevent)
        {
            this.Text = "";
            base.OnPaint(pevent);
            FontFamily ff = IconFontHelper.PFCC.Families[0];
            SizeF textSize = pevent.Graphics.MeasureString(this.Text, this.Font);
           
            Font font = new Font(ff, 15);
            //SizeF size = pevent.Graphics.MeasureString(str, font);
            StringFormat sf = new StringFormat();
            sf.Alignment = StringAlignment.Center;
            sf.LineAlignment = StringAlignment.Center;
            RectangleF rect = new RectangleF(0, 0, ClientRectangle.Width, ClientRectangle.Height);
            switch (ButtonType)
            {
                case EButtonMode.MIN:
                    pevent.Graphics.DrawString("\ue624", font, new SolidBrush(ForeColor), rect, sf);
                    break;
                case EButtonMode.MAX:
                    pevent.Graphics.DrawString("\ue65d", font, new SolidBrush(ForeColor), rect, sf);
                    break;
                case EButtonMode.CLOSE:
                    pevent.Graphics.DrawString("\ueca0", font, new SolidBrush(ForeColor), rect, sf);
                    break;
                case EButtonMode.NOMAL:
                    pevent.Graphics.DrawString("\uea6b", font, new SolidBrush(ForeColor), rect, sf);
                    break;
                default:
                    break;
            }
           
        }

        public static byte[] hexStringToByte(String hex)
        {
            int len = (hex.Length / 2);
            byte[] result = new byte[len];
            char[] achar = hex.ToCharArray();
            for (int i = 0; i < len; i++)
            {
                int pos = i * 2;
                result[i] = (byte)(toByte(achar[pos]) << 4 | toByte(achar[pos + 1]));
            }
            return result;
        }

        private static int toByte(char c)
        {
            byte b = (byte)"0123456789ABCDEF".IndexOf(c);
            return b;
        }
    }
}