/********************************************************************************
** 类名称： Convert
** 描述  ： 图片数据转换对象
** 作者  ： 丁书杰
** 创建时间：2018/08/10
** 版权所有 (C) :中科视语（北京）科技有限公司
*********************************************************************************/
using OpenCvSharp;
using System;
using System.Drawing;
using System.Windows;
using System.Windows.Interop;
using System.Windows.Media.Imaging;

namespace OS.Spin.Common
{
    public class UserConvert
    {
        [System.Runtime.InteropServices.DllImport("gdi32.dll")]
        public static extern bool DeleteObject(IntPtr hObject);
        #region Mat2BitmapSource
        /// <summary>
        /// 根据Mat转化成绑定在Image控件的BitmapSource
        /// </summary>
        /// <param name="mat">数据矩阵源</param>
        /// <returns>绑定在Image控件的BitmapSource</returns>
        public static BitmapSource Mat2BitmapSource(Mat mat)
        {
            try
            {
                if (null == mat || mat.Cols * mat.Rows == 0 || mat.Depth() != MatType.CV_8U)
                {
                    return null;
                }
                var formart = System.Drawing.Imaging.PixelFormat.Format24bppRgb;

                if (mat.Channels() == 1)
                {
                    formart = System.Drawing.Imaging.PixelFormat.Format8bppIndexed; ;
                }
                var bmpImg = new Bitmap(mat.Cols, mat.Rows, (int)mat.Step(), formart, mat.Data);
                return Bitmap2BitmapSource((Bitmap)bmpImg.Clone());
            }
            catch (Exception ex)
            {
                LogisTrac.WriteLog(string.Format("Mat2BitmapSource(Mat mat):{0}", ex.Message));
                return null;
            }
        }
        #endregion

        public static BitmapSource Bitmap2BitmapSource(Bitmap bmpImg)
        {
            try
            {
                if (null == bmpImg)
                {
                    return null;
                }
                IntPtr hBitmap = bmpImg.GetHbitmap();

                var source = Imaging.CreateBitmapSourceFromHBitmap(hBitmap, IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
                DeleteObject(hBitmap);
                return source.Clone();
            }
            catch (Exception ex)
            {
                LogisTrac.WriteLog(string.Format("Bitmap2BitmapSource(Bitmap bmpImg):{0}", ex.Message));
                return null;
            }
        }
    }
}