using System;
using System.Drawing;
using System.IO;
using System.Security.Policy;
using System.Windows;
using System.Windows.Forms;
using System.Windows.Interop;
using System.Windows.Media.Imaging;

namespace HL_FristAidPlatform_ReadCard
{
    public partial class Form_Test : System.Windows.Forms.Form
    {
        public Form_Test()
        {
            InitializeComponent();
        }

        private void btnRead_Click(object sender, EventArgs e)
        {
            IDCardData cardData = new IDCardData();
            var status = IdCardReader.Read(ref cardData);
            Pb_m.Image = null;
            Rt_P.Text = string.Empty;
            switch (status)
            {
                case 0:
                    string text = string.Format(@"
                                        姓名：{0}
                                        性别：{1}
                                        名族：{2}
                                        出生日期：{3}
                                        住址：{4}
                                        身份证号：{5}
                                        发证机关：{6}
                                        有效开始日期：{7}
                                        有效结束日期：{8}",
                                        cardData.Name,
                                        cardData.Sex,
                                        cardData.Nation,
                                        cardData.Born,
                                        cardData.Address,
                                        cardData.IDCardNo,
                                        cardData.GrantDept,
                                        cardData.UserLifeBegin,
                                        cardData.UserLifeEnd);
                    Rt_P.Text = text;
                    Bitmap bit = new Bitmap(IdCardReader.GetImgPath(cardData.IDCardNo));
                    var newBit = CopyBitmap(bit);
                    bit.Dispose();

                    Pb_m.Image = Image.FromHbitmap(newBit.GetHbitmap());
                    //BitmapFrame.Create();
                    //Pb_m.Image = new BitmapImage(new Uri(IdCardReader.GetImgPath(cardData.IDCardNo), UriKind.RelativeOrAbsolute));
                    //new BitmapImage(new Url());
                    break;
                default:
                    Rt_P.Text = IdCardReader.GetStatusMsg(status);
                    break;
            }
        }
        private static Bitmap CopyBitmap(Bitmap map)
        {
            int width = map.Width;
            int height = map.Height;
            Bitmap bit = new Bitmap(width, height);
            using (var g = Graphics.FromImage(bit))
            {
                g.DrawImage(map, 0, 0, width, height);
            }
            return bit;
        }
        [System.Runtime.InteropServices.DllImport("gdi32.dll")]
        private static extern bool DeleteObject(IntPtr hObject);
        /// <summary>
        /// 释放intptr
        /// </summary>
        /// <param name="hObject"></param>
        public static void DisposeIntPtrObject(IntPtr hObject)
        {
            DeleteObject(hObject);
        }
        /// <summary>
        /// 将bitmap转换为imagesource
        /// </summary>
        /// <param name="map"></param>
        /// <returns></returns>
        public static BitmapSource BitmapToBitmapSource(Bitmap map)
        {
            IntPtr hBitmap = map.GetHbitmap();
            BitmapSource bitmapSource =
                Imaging.CreateBitmapSourceFromHBitmap(
                    hBitmap, IntPtr.Zero, Int32Rect.Empty,
                    BitmapSizeOptions.FromEmptyOptions());
            DeleteObject(hBitmap);
            return bitmapSource;
        }
    }
}