Add Bitmap Helper

Bitmap <-> BitmapImage
                        WPF

BitmapHelper.cs

@@ -0,0 +1,57 @@
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.IO;
+using System.Windows.Media.Imaging;
+
+namespace Utils
+{
+    public static class BitmapHelper
+    {
+        private static readonly ImageCodecInfo myImageCodecInfo = GetEncoderInfo("image/jpeg");
+        private static readonly Encoder myEncoder = Encoder.Quality;
+        //private static readonly MemoryStream Buffer = new MemoryStream();
+
+        public static BitmapImage ToBitmapImage(this Bitmap bitmap, int quality = 75)
+        {
+            BitmapImage bi = new BitmapImage();
+            bi.BeginInit();
+            MemoryStream Buffer = new MemoryStream();
+            EncoderParameters myEncoderParameters = new EncoderParameters(1) { Param = new[] { new EncoderParameter(myEncoder, quality) } };
+            bitmap.Save(Buffer, myImageCodecInfo, myEncoderParameters);
+            Buffer.Seek(0, SeekOrigin.Begin);
+            bi.StreamSource = Buffer;
+            bi.EndInit();
+            return bi;
+        }
+        public static byte[] ToJpegBytes(this Bitmap bitmap, int quality = 75)
+        {
+            MemoryStream Buffer = new MemoryStream();
+            EncoderParameters myEncoderParameters = new EncoderParameters(1) { Param = new[] { new EncoderParameter(myEncoder, quality) } };
+            bitmap.Save(Buffer, myImageCodecInfo, myEncoderParameters);
+            return Buffer.ToArray();
+        }
+
+        public static BitmapImage ToBitmapImage(this Bitmap bitmap, int width, int height)
+        {
+            if (width == 0 || height == 0)
+                return bitmap.ToBitmapImage();
+            if (bitmap.Width == width && bitmap.Height == height)
+                return bitmap.ToBitmapImage();
+
+            Bitmap newBitmap = new Bitmap(width, height);
+            using (Graphics graphics = Graphics.FromImage(newBitmap))
+                graphics.DrawImage(bitmap, 0, 0, width, height);
+            return newBitmap.ToBitmapImage();
+        }
+
+        private static ImageCodecInfo GetEncoderInfo(string mimeType)
+        {
+            foreach (var item in ImageCodecInfo.GetImageEncoders())
+            {
+                if (item.MimeType == mimeType)
+                    return item;
+            }
+            return null;
+        }
+    }
+}