private static void Main() { var wicFactory = new ImagingFactory(); var d2dFactory = new SharpDX.Direct2D1.Factory(); string filename = "output.jpg"; const int width = 512; const int height = 512; var rectangleGeometry = new RoundedRectangleGeometry(d2dFactory, new RoundedRectangle() { RadiusX = 32, RadiusY = 32, Rect = new RectangleF(128, 128, width - 128, height-128) }); var wicBitmap = new Bitmap(wicFactory, width, height, SharpDX.WIC.PixelFormat.Format32bppBGR, BitmapCreateCacheOption.CacheOnLoad); var renderTargetProperties = new RenderTargetProperties(RenderTargetType.Default, new PixelFormat(Format.Unknown, AlphaMode.Unknown), 0, 0, RenderTargetUsage.None, FeatureLevel.Level_DEFAULT); var d2dRenderTarget = new WicRenderTarget(d2dFactory, wicBitmap, renderTargetProperties); var solidColorBrush = new SolidColorBrush(d2dRenderTarget, Color.White); d2dRenderTarget.BeginDraw(); d2dRenderTarget.Clear(Color.Black); d2dRenderTarget.FillGeometry(rectangleGeometry, solidColorBrush, null); d2dRenderTarget.EndDraw(); if (File.Exists(filename)) File.Delete(filename); var stream = new WICStream(wicFactory, filename, NativeFileAccess.Write); // Initialize a Jpeg encoder with this stream var encoder = new JpegBitmapEncoder(wicFactory); encoder.Initialize(stream); // Create a Frame encoder var bitmapFrameEncode = new BitmapFrameEncode(encoder); bitmapFrameEncode.Initialize(); bitmapFrameEncode.SetSize(width, height); var pixelFormatGuid = SharpDX.WIC.PixelFormat.FormatDontCare; bitmapFrameEncode.SetPixelFormat(ref pixelFormatGuid); bitmapFrameEncode.WriteSource(wicBitmap); bitmapFrameEncode.Commit(); encoder.Commit(); bitmapFrameEncode.Dispose(); encoder.Dispose(); stream.Dispose(); System.Diagnostics.Process.Start(Path.GetFullPath(Path.Combine(Environment.CurrentDirectory,filename))); }