Updated the UWP sample

samples/SharedDemo/SkiaSharp.Demos.cs

@@ -449,6 +449,53 @@ namespace SkiaSharp
 			}
 		}
 
+		public static void DngDecoder(SKCanvas canvas, int width, int height)
+		{
+			var assembly = typeof(Demos).GetTypeInfo().Assembly;
+			var imageName = assembly.GetName().Name + ".adobe-dng.dng";
+
+			canvas.Clear(SKColors.White);
+
+			// load the embedded resource stream
+			using (var resource = assembly.GetManifestResourceStream(imageName))
+			using (var stream = new SKManagedStream(resource))
+			using (var codec = SKCodec.Create(stream))
+			using (var paint = new SKPaint())
+			using (var tf = SKTypeface.FromFamilyName("Arial"))
+			{
+				var info = codec.Info;
+
+				paint.IsAntialias = true;
+				paint.TextSize = 14;
+				paint.Typeface = tf;
+				paint.Color = SKColors.Black;
+
+				// decode the image
+				using (var bitmap = new SKBitmap(info.Width, info.Height, info.ColorType, info.IsOpaque ? SKAlphaType.Opaque : SKAlphaType.Premul))
+				{
+					IntPtr length;
+					var result = codec.GetPixels(bitmap.Info, bitmap.GetPixels(out length));
+					if (result == SKCodecResult.Success || result == SKCodecResult.IncompleteInput)
+					{
+						var x = 25;
+						var y = 25;
+
+						canvas.DrawBitmap(bitmap, SKRect.Create (x, y, bitmap.Width / 2, bitmap.Height / 2));
+						x += bitmap.Width / 2 + 25;
+						y += 14;
+
+						canvas.DrawText(string.Format("Result: {0}", result), x, y, paint);
+						y += 20;
+
+						canvas.DrawText(string.Format("Size: {0}px x {1}px", bitmap.Width, bitmap.Height), x, y, paint);
+						y += 20;
+
+						canvas.DrawText(string.Format("Pixels: {0} @ {1}b/px", bitmap.Pixels.Length, bitmap.BytesPerPixel), x, y, paint);
+					}
+				}
+			}
+		}
+
 		public static void BitmapDecoder(SKCanvas canvas, int width, int height)
 		{
 			var assembly = typeof(Demos).GetTypeInfo().Assembly;
@@ -994,6 +1041,7 @@ namespace SkiaSharp
 			new Sample {Title="Bitmap Shader", Method = BitmapShader, Platform = Platform.All},
 			new Sample {Title="Bitmap Shader (Manipulated)", Method = BitmapShaderManipulated, Platform = Platform.All},
 			new Sample {Title="Bitmap Decoder", Method = BitmapDecoder, Platform = Platform.All},
+			new Sample {Title="Bitmap Decoder (DNG)", Method = DngDecoder, Platform = Platform.All},
 			new Sample {Title="Sweep Gradient Shader", Method = SweepGradientShader, Platform = Platform.All},
 			new Sample {Title="Fractal Perlin Noise Shader", Method = FractalPerlinNoiseShader, Platform = Platform.All},
 			new Sample {Title="Turbulence Perlin Noise Shader", Method = TurbulencePerlinNoiseShader, Platform = Platform.All},

samples/Skia.UWP.Demo/Skia.UWP.Demo.csproj

@@ -96,6 +96,9 @@
     <EmbeddedResource Include="..\SharedDemo\color-wheel.png">
       <Link>color-wheel.png</Link>
     </EmbeddedResource>
+    <EmbeddedResource Include="..\SharedDemo\adobe-dng.dng">
+      <Link>adobe-dng.dng</Link>
+    </EmbeddedResource>
     <Content Include="..\SharedDemo\content-font.ttf">
       <Link>content-font.ttf</Link>
     </Content>

samples/Skia.UWP.Demo/SkiaView.cs

@@ -37,7 +37,7 @@ namespace Skia.WindowsDesktop.Demo
 
 			try
 			{
-				using (var surface = SKSurface.Create(width, height, SKColorType.N_32, SKAlphaType.Premul, buff, width * 4))
+				using (var surface = SKSurface.Create(width, height, SKImageInfo.PlatformColorType, SKAlphaType.Premul, buff, width * 4))
 				{
 					var skcanvas = surface.Canvas;