ASP.Net-MVC Exporting to PNG Inkscape Unicode Character problem

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ASP.NET

MVC

MVC4

UTF-8

i am trying to get Kendo Charts to png or pdf with Inkspace.

But i have a problem with Chart's Title. I am using Turkish characters and i can't show Turkish characters on title section. How can i solve this problem?

Thank you.

Inkspace forum link with images.
http://www.inkscapeforum.com/viewtopic.php?f=16&t=17630&p=65101#p65101

Kendo Link
http://www.telerik.com/forums/kendo-chart-to-jpg

Command Line Export.
http://tavmjong.free.fr/INKSCAPE/MANUAL/html/CommandLine-Export.html

Thank you.

//here is the code:

private const string INKSCAPE_PATH = @"C:\Program Files (x86)\Inkscape\inkscape.exe";
       private const int WIDTH = 800;
       private const int HEIGHT = 600;


       private readonly Dictionary<KendoChartExport.Models.ExportFormat, string> MimeTypes = new Dictionary<KendoChartExport.Models.ExportFormat, string>
       {
           { KendoChartExport.Models.ExportFormat.PNG, "image/png" },
           { KendoChartExport.Models.ExportFormat.PDF, "application/pdf" }
       };



       [HttpPost]
       public ActionResult _Export(string svg, KendoChartExport.Models.ExportFormat format)
       {

           var svgText = HttpUtility.UrlDecode(svg);
           var svgFile = TempFileName() + ".svg";
           System.IO.File.WriteAllText(svgFile, svgText);

           var outFile = DoExport(svgFile, format);
           var attachment = "export" + System.IO.Path.GetExtension(outFile);

           return File(outFile, MimeTypes[format], attachment);
       }

       private string DoExport(string svgFile, KendoChartExport.Models.ExportFormat format)
       {

           var extension = format == KendoChartExport.Models.ExportFormat.PNG ? "png" : "pdf";
           var outFile = TempFileName() + "." + extension;
           var inkscape = new System.Diagnostics.Process();
           inkscape.StartInfo.FileName = INKSCAPE_PATH;
           inkscape.StartInfo.Arguments =
               String.Format("--file \"{0}\" --export-{1} \"{2}\" --export-width {3} --export-height {4}",
                             svgFile, extension, outFile, WIDTH, HEIGHT);
           inkscape.StartInfo.UseShellExecute = true;
           inkscape.Start();

           inkscape.WaitForExit();

           return outFile;
       }

       private string TempFileName()
       {
           return System.IO.Path.Combine(Server.MapPath("~/App_Data"), System.IO.Path.GetRandomFileName());
       }


       #endregion


   }