From cbbf8523262e59e721763da7b53ed22aa19ae711 Mon Sep 17 00:00:00 2001
From: Matthew Leibowitz <mattleibow@live.com>
Date: Mon, 23 Jul 2018 04:05:45 +0200
Subject: [PATCH] Make sure to initialize the DPI field. Fixes #582

---
 .../SkiaSharp.Views/SkiaSharp.Views.UWP/SKXamlCanvas.cs  | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/source/SkiaSharp.Views/SkiaSharp.Views.UWP/SKXamlCanvas.cs b/source/SkiaSharp.Views/SkiaSharp.Views.UWP/SKXamlCanvas.cs
index 1de76d4f04..8c65aa1b33 100644
--- a/source/SkiaSharp.Views/SkiaSharp.Views.UWP/SKXamlCanvas.cs
+++ b/source/SkiaSharp.Views/SkiaSharp.Views.UWP/SKXamlCanvas.cs
@@ -15,7 +15,7 @@ public partial class SKXamlCanvas : Canvas
 
 		private IntPtr pixels;
 		private WriteableBitmap bitmap;
-		private double dpi;
+		private double dpi = 1;
 		private bool ignorePixelScaling;
 
 		public SKXamlCanvas()
@@ -28,9 +28,12 @@ private void Initialize()
 			if (designMode)
 				return;
 
-			SizeChanged += OnSizeChanged;
-			Unloaded += OnUnloaded;
+			var display = DisplayInformation.GetForCurrentView();
+			OnDpiChanged(display);
+
 			Loaded += OnLoaded;
+			Unloaded += OnUnloaded;
+			SizeChanged += OnSizeChanged;
 		}
 
 		public SKSize CanvasSize => bitmap == null ? SKSize.Empty : new SKSize(bitmap.PixelWidth, bitmap.PixelHeight);