Removed _pixelDensity local variable

pauldendulk · pauldendulk · commit 46ca1e2d4bc1 · 2018-06-26T09:11:38.000+02:00
diff --git a/Mapsui.UI.Android/MapControl.cs b/Mapsui.UI.Android/MapControl.cs
@@ -24,10 +24,6 @@ public partial class MapControl : ViewGroup, IMapControl
         private double _previousRadius = 1f;
         private TouchMode _mode = TouchMode.None;
         /// <summary>
-        /// The number of pixels per device independent unit
-        /// </summary>
-        private float _pixelDensity;
-        /// <summary>
         /// Saver for center before last pinch movement
         /// </summary>
         private Point _previousCenter = new Point();
@@ -47,7 +43,6 @@ public MapControl(Context context, IAttributeSet attrs, int defStyle) :
         public void Initialize()
         {
             SetBackgroundColor(Color.Transparent);
-            _pixelDensity = PixelDensity;
             _canvas = new SKCanvasView(Context) { IgnorePixelScaling = true };
             _canvas.PaintSurface += CanvasOnPaintSurface;
             AddView(_canvas);
@@ -316,7 +311,7 @@ private void WidgetTouched(IWidget widget, Point screenPosition)
         /// <returns>The device pixels given as input translated to device pixels.</returns>
         private float ToDeviceIndependentUnits(float pixelCoordinate)
         {
-            return pixelCoordinate / _pixelDensity;
+            return pixelCoordinate / PixelDensity;
         }
 
         public new void Dispose()
diff --git a/Mapsui.UI.iOS/MapControl.cs b/Mapsui.UI.iOS/MapControl.cs
@@ -18,11 +18,7 @@ public partial class MapControl : UIView, IMapControl
     {
         private readonly SKGLView _canvas = new SKGLView();
         private double _innerRotation;
-        /// <summary>
-        /// The number of pixels per device independent unit
-        /// </summary>
-        private float _pixelDensity;
-
+        
         public MapControl(CGRect frame)
             : base(frame)
         {
@@ -52,9 +48,6 @@ public void Initialize()
                 NSLayoutConstraint.Create(this, NSLayoutAttribute.Bottom, NSLayoutRelation.Equal, _canvas, NSLayoutAttribute.Bottom, 1.0f, 0.0f)
             });
 
-            // Unfortunately the SKGLView does not have a IgnorePixelScaling property. We have to adjust for density with SKGLView.Scale.
-            _pixelDensity = PixelDensity;
-
             TryInitializeViewport(ScreenWidth, ScreenHeight);
 
             ClipsToBounds = true;
@@ -102,8 +95,11 @@ void OnPaintSurface(object sender, SKPaintGLSurfaceEventArgs args)
             TryInitializeViewport(ScreenWidth, ScreenHeight);
             if (!_map.Viewport.Initialized) return;
 
-            args.Surface.Canvas.Scale(_pixelDensity, _pixelDensity);  // we can only set the scale in the render loop
+            // Unfortunately the SKGLView does not have a IgnorePixelScaling property,
+            // so have to adjust for density with SKGLView.Scale.
+            // The Scale can only be set in the render loop
 
+            args.Surface.Canvas.Scale(PixelDensity, PixelDensity);  
             Renderer.Render(args.Surface.Canvas, _map.Viewport, _map.Layers, _map.Widgets, _map.BackColor);
         }
 
