Suppress translation if scale is zero (#82)

Author: kingces95

Xamarin.Forms.Platform.WP8/VisualElementTracker.cs

@@ -324,8 +324,8 @@ static void UpdateRotation(VisualElement view, FrameworkElement frameworkElement
 			{
 				CenterOfRotationX = anchorX,
 				CenterOfRotationY = anchorY,
-				GlobalOffsetX = translationX / scale,
-				GlobalOffsetY = translationY / scale,
+				GlobalOffsetX = scale == 0 ? 0 : translationX / scale,
+				GlobalOffsetY = scale == 0 ? 0 : translationY / scale,
 				RotationX = -rotationX,
 				RotationY = -rotationY,
 				RotationZ = -rotation

Xamarin.Forms.Platform.WinRT/VisualElementTracker.cs

@@ -457,8 +457,8 @@ static void UpdateRotation(VisualElement view, FrameworkElement frameworkElement
 				{
 					CenterOfRotationX = anchorX,
 					CenterOfRotationY = anchorY,
-					GlobalOffsetX = translationX / scale,
-					GlobalOffsetY = translationY / scale,
+					GlobalOffsetX = scale == 0 ? 0 : translationX / scale,
+					GlobalOffsetY = scale == 0 ? 0 : translationY / scale,
 					RotationX = -rotationX,
 					RotationY = -rotationY,
 					RotationZ = -rotation