MARKUS

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.IO;

using System.Windows.Media.Imaging;

namespace KCOM.Common.Converter

{

    public class FileStreamToBase64

    {

        /// <summary>

        /// BitMapSource To Base64

        /// </summary>

        /// <param name="bitmap"></param>

        /// <returns></returns>

        public string ImageToBase64(BitmapSource bitmap)

        {

            var encoder = new PngBitmapEncoder();

            var frame = BitmapFrame.Create(bitmap);

            encoder.Frames.Add(frame);

            using (var stream = new MemoryStream())

            {

                encoder.Save(stream);

                return Convert.ToBase64String(stream.ToArray());

            }

        }

        /// <summary>

        /// Base64 To BitmapSource

        /// </summary>

        /// <param name="base64"></param>

        /// <returns></returns>

        //public BitmapSource Base64ToImage(string base64)

        //{

        //    byte[] bytes = Convert.FromBase64String(base64);

        //    using (var stream = new MemoryStream(bytes))

        //    {

        //        return BitmapFrame.Create(stream);

        //    }

        //}

        public BitmapImage Base64ToImage(string base64)

        {

            byte[] bytes = Convert.FromBase64String(base64);

            using (var stream = new MemoryStream(bytes))

            {

                BitmapSource bitmap = BitmapFrame.Create(stream);

                Stream bmp;

                BitmapImage bImg = new BitmapImage();

                using (bmp = new MemoryStream())

                {

                    PngBitmapEncoder encoder = new PngBitmapEncoder();

                    encoder.Frames.Add(BitmapFrame.Create(bitmap));

                    encoder.Save(bmp);

                    bmp.Position = 0;

                    bImg.BeginInit();

                    bImg.StreamSource = bmp;

                    bImg.EndInit();

                }

                System.Windows.Controls.Image image = new System.Windows.Controls.Image();

                image.Source = bImg;

                return bImg;

                //return BitmapFrame.Create(stream);

            }

        }

        //public BitmapImage BitmapSource(string base64)

        //{

        //    BitmapSource bitmap = Base64ToImage(base64);

        //    Stream bmp;

        //    using (bmp = new MemoryStream())

        //    {

        //        BitmapEncoder enc = new BmpBitmapEncoder();

        //        enc.Frames.Add(BitmapFrame.Create(bitmap));

        //        enc.Save(bmp);

        //    }

        //    //BitmapImage A = bitmap as BitmapImage;

        //    //PngBitmapEncoder encoder = new PngBitmapEncoder();

        //    //MemoryStream memoryStream = new MemoryStream();

        //    //encoder.Frames.Add(BitmapFrame.Create(bitmap));

        //    //encoder.Save(memoryStream);

        //    //memoryStream.Position = 0;

        //    //bImg.BeginInit();

        //    //bImg.StreamSource = memoryStream;

        //    //bImg.EndInit();

        //    //memoryStream.Close();

        //    return bImg;

        //}

    }

}