1 files changed, 66 insertions, 0 deletions
diff --git a/win/CS/HandBrakeWPF/Utilities/DPIAwareness.cs b/win/CS/HandBrakeWPF/Utilities/DPIAwareness.cs
new file mode 100644
index 000000000..91751474c
--- /dev/null
+++ b/win/CS/HandBrakeWPF/Utilities/DPIAwareness.cs
@@ -0,0 +1,66 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="DPIAwareness.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>
+//   Defines the DPIAwareness type.
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace HandBrakeWPF.Utilities
+{
+    using System.Windows;
+    using System.Windows.Media;
+
+    /// <summary>
+    /// The dpi awareness.
+    /// </summary>
+    public class DPIAwareness
+    {
+        /// <summary>
+        /// The dx.
+        /// </summary>
+        private static double dx;
+
+        /// <summary>
+        /// The dy.
+        /// </summary>
+        private static double dy;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DPIAwareness"/> class.
+        /// </summary>
+        public DPIAwareness()
+        {
+            var presentationSource = PresentationSource.FromVisual(Application.Current.MainWindow);
+            if (presentationSource != null && presentationSource.CompositionTarget != null)
+            {
+                Matrix m = presentationSource.CompositionTarget.TransformToDevice;
+                dx = m.M11;
+                dy = m.M22;
+            }
+        }
+
+        /// <summary>
+        /// Gets the dpix.
+        /// </summary>
+        public double Dpix
+        {
+            get
+            {
+                return dx;
+            }
+        }
+
+        /// <summary>
+        /// Gets the dpi y.
+        /// </summary>
+        public double DpiY
+        {
+            get
+            {
+                return dy;
+            }
+        }
+    }
+}