Update to newer version of CSJ2K from github.com/cureos/csj2k with modification

CSJ2K/Util/WriteableBitmapImage.cs

@@ -0,0 +1,54 @@
+// Copyright (c) 2007-2016 CSJ2K contributors.
+// Licensed under the BSD 3-Clause License.
+
+namespace CSJ2K.Util
+{
+#if NETFX_CORE
+    using System.Runtime.InteropServices.WindowsRuntime;
+    using Windows.UI.Xaml.Media;
+    using Windows.UI.Xaml.Media.Imaging;
+#elif SILVERLIGHT
+    using System;
+    using System.Windows.Media;
+    using System.Windows.Media.Imaging;
+#else
+    using System.Runtime.InteropServices;
+    using System.Windows;
+    using System.Windows.Media;
+    using System.Windows.Media.Imaging;
+#endif
+
+    internal class WriteableBitmapImage : ImageBase<ImageSource>
+    {
+        #region CONSTRUCTORS
+
+        internal WriteableBitmapImage(int width, int height, byte[] bytes)
+            : base(width, height, bytes)
+        {
+        }
+
+        #endregion
+
+        #region METHODS
+
+        protected override object GetImageObject()
+        {
+#if NETFX_CORE
+            var wbm = new WriteableBitmap(this.Width, this.Height);
+            this.Bytes.CopyTo(0, wbm.PixelBuffer, 0, this.Bytes.Length);
+#elif SILVERLIGHT
+            var wbm = new WriteableBitmap(this.Width, this.Height);
+            Buffer.BlockCopy(this.Bytes, 0, wbm.Pixels, 0, this.Bytes.Length);
+#else
+            var wbm = new WriteableBitmap(this.Width, this.Height, 96.0, 96.0, PixelFormats.Pbgra32, null);
+            wbm.Lock();
+            Marshal.Copy(this.Bytes, 0, wbm.BackBuffer, this.Bytes.Length);
+            wbm.AddDirtyRect(new Int32Rect(0, 0, this.Width, this.Height));
+            wbm.Unlock();
+#endif
+            return wbm;
+        }
+
+        #endregion
+    }
+}