using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using System.IO;
using System.Windows.Forms;
using Lskj.Main4.Properties;
using Lskj.Util;

namespace Lskj.Main4.Model
{
    /// <summary>
    /// 资源图片管理类
    /// </summary>
    public static class BitMapHelper
    {
        #region 本地资源文件
        /// <summary>
        /// 获取本地资源文件
        /// </summary>
        /// <param name="mapEnum"></param>
        /// <returns></returns>
        public static Bitmap getBitmap(BitMapEnum mapEnum)
        {
            Bitmap bitmap = null;
            try
            {
                FileStream fs = File.OpenRead(getBitMapPath(mapEnum)); //OpenRead

                int filelength = (int)fs.Length; //获得文件长度 
                Byte[] image = new Byte[filelength]; //建立一个字节数组 
                fs.Read(image, 0, filelength); //按字节流读取 
                Image result = Image.FromStream(fs);
                fs.Close();

                bitmap = new Bitmap(result);
            }
            catch (Exception ex)
            {
                switch (mapEnum)
                {
                    case BitMapEnum.loginbg:
                        bitmap = Resources.newlogin;
                        break;
                    case BitMapEnum.submenubg:
                        bitmap = Resources.sub_backgroud;
                        break;
                    case BitMapEnum.submenubg_tip:
                        bitmap = Resources.sub_tip_backgound;
                        break;
                    case BitMapEnum.logobg:
                        bitmap = Resources.logo;
                        break;
                    case BitMapEnum.logo2bg:
                        bitmap = Resources.logo;
                        break;
                }
            }
            return bitmap;
        }
        /// <summary>
        /// 获取文件路径
        /// </summary>
        /// <returns></returns>
        private static string getBitMapPath(BitMapEnum mapEnum)
        {
            string bitmapPath = string.Empty;
            switch (mapEnum)
            {
                case BitMapEnum.loginbg:
                    bitmapPath = BitMapType.Loginbg;
                    break;
                case BitMapEnum.submenubg:
                    bitmapPath = BitMapType.Submenubg;
                    break;
                case BitMapEnum.submenubg_tip:
                    bitmapPath = BitMapType.Submenubg_tip;
                    break;
                case BitMapEnum.logobg:
                    bitmapPath = BitMapType.Logobg;
                    break;
                case BitMapEnum.logo2bg:
                    bitmapPath = BitMapType.Logo2bg;
                    break;
                default:
                    break;
            }
            return PubUtil.BitMapPath + bitmapPath;
        }
        #endregion
    }

    /// <summary>
    /// 图片存放地址
    /// </summary>
    public static class BitMapType
    {
        /// <summary>
        /// 登录背景图
        /// </summary>
        public static string Loginbg = @"Login\newlogin.png";
        /// <summary>
        /// 子系统背景图
        /// </summary>
        public static string Submenubg = @"Submenu\submenu.png";
        /// <summary>
        /// 子系统背景图提示
        /// </summary>
        public static string Submenubg_tip = @"Submenu\submenu_tip.png";
        /// <summary>
        /// logo背景图
        /// </summary>
        public static string Logobg = @"Main\logo.png";
        /// <summary>
        /// logo2背景图
        /// </summary>
        public static string Logo2bg = @"Main2\logo.png";
    }
    /// <summary>
    /// 图片类型
    /// </summary>
    public enum BitMapEnum
    {
        loginbg,
        submenubg,
        submenubg_tip,
        logobg,
        logo2bg
    }
}