1 files changed, 39 insertions, 0 deletions
diff --git a/win/CS/HandBrakeWPF/Utilities/BitmapHelpers.cs b/win/CS/HandBrakeWPF/Utilities/BitmapHelpers.cs
new file mode 100644
index 000000000..f9856d2aa
--- /dev/null
+++ b/win/CS/HandBrakeWPF/Utilities/BitmapHelpers.cs
@@ -0,0 +1,39 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="DelayedActionProcessor.cs" company="HandBrake Project (http://handbrake.fr)">
+//   This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
+// </copyright>
+// <summary>
+//   An Action processor that supports queueing/delayed action processing.
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace HandBrakeWPF.Utilities
+{
+    using System.Windows.Media;
+    using System.Windows.Media.Imaging;
+
+    public class BitmapHelpers
+    {
+        public static BitmapSource CreateTransformedBitmap(BitmapSource source, int rotation, bool flip)
+        {
+            if ((rotation == 0) && !flip)
+            {
+                return source;
+            }
+
+            TransformedBitmap transformedBitmap = new TransformedBitmap();
+            transformedBitmap.BeginInit();
+            transformedBitmap.Source = source;
+
+            var transformGroup = new TransformGroup();
+            transformGroup.Children.Add(new ScaleTransform(1, flip ? -1 : 1));
+            transformGroup.Children.Add(new RotateTransform(rotation));
+
+            transformedBitmap.Transform = transformGroup;
+            transformedBitmap.EndInit();
+            transformedBitmap.Freeze();
+
+            return (BitmapSource)transformedBitmap;
+        }
+    }
+}