working on new Gif viewer

QuickLook.Plugin/QuickLook.Plugin.CameraRawViewer/DCraw.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Reflection;
+using System.Text;
+
+namespace QuickLook.Plugin.CameraRawViewer
+{
+    internal class DCraw
+    {
+        private static readonly string DCrawPath =
+            Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location),
+                Environment.Is64BitProcess ? "dcraw64.exe" : "dcraw32.exe");
+
+        public static string ConvertToTiff(string input)
+        {
+            var output = Path.GetTempFileName();
+
+            using (var p = new Process())
+            {
+                p.StartInfo.UseShellExecute = false;
+                p.StartInfo.CreateNoWindow = true;
+                p.StartInfo.RedirectStandardOutput = true;
+                p.StartInfo.FileName = DCrawPath;
+                p.StartInfo.Arguments = $"-w -W -h -T -O \"{output}\" \"{input}\"";
+                p.StartInfo.StandardOutputEncoding = Encoding.UTF8;
+                p.Start();
+
+                p.WaitForExit(10000);
+            }
+
+            return new FileInfo(output).Length > 0 ? output : string.Empty;
+        }
+    }
+}