/// <summary>
/// Constructs a new MapView object.
/// </summary>
public MapView()
{
_baseMapView = new BaseMapView();
InitializeComponent();
this.Loaded += new Windows.UI.Xaml.RoutedEventHandler(OnPageLoaded);
Windows.UI.Core.CoreWindow window = Windows.UI.Xaml.Window.Current.CoreWindow;
window.VisibilityChanged += new Windows.Foundation.TypedEventHandler <Windows.UI.Core.CoreWindow, Windows.UI.Core.VisibilityChangedEventArgs> (OnVisibilityChanged);
_swapChainPanel.SizeChanged += new Windows.UI.Xaml.SizeChangedEventHandler(OnSwapChainPanelSizeChanged);
_swapChainPanelSize = new Windows.Foundation.Size(_swapChainPanel.RenderSize.Width, _swapChainPanel.RenderSize.Height);
Windows.Graphics.Display.DisplayInformation dispInfo = Windows.Graphics.Display.DisplayInformation.GetForCurrentView();
_resolutionScale = (float)dispInfo.RawPixelsPerViewPixel;
_baseMapView.GetOptions().DPI = (float)dispInfo.RawDpiX;
_baseMapView.SetRedrawRequestListener(new MapViewRedrawRequestListener(this));
}
private void InitBase()
{
this.Delegate = new MapViewGLKViewDelegate();
_didEnterBackgroundNotificationObserver = NSNotificationCenter.DefaultCenter.AddObserver(UIApplication.DidEnterBackgroundNotification, OnAppDidEnterBackground, null);
_willEnterForegroundNotificationObserver = NSNotificationCenter.DefaultCenter.AddObserver(UIApplication.WillEnterForegroundNotification, OnAppWillEnterForeground, null);
_active = true;
_scale = (float)UIScreen.MainScreen.NativeScale;
_baseMapView = new BaseMapView();
_baseMapView.GetOptions().DPI = 160 * _scale;
_redrawRequestListener = new MapRedrawRequestListener(this);
_baseMapView.SetRedrawRequestListener(_redrawRequestListener);
_viewContext = new EAGLContext(EAGLRenderingAPI.OpenGLES2);
if (_viewContext == null)
{
Log.Fatal("MapView.InitGL: Failed to create OpenGLES 2.0 context");
}
this.Context = _viewContext;
this.ContentScaleFactor = _scale;
DrawableColorFormat = GLKViewDrawableColorFormat.RGBA8888;
DrawableDepthFormat = GLKViewDrawableDepthFormat.Format24;
DrawableMultisample = GLKViewDrawableMultisample.None;
DrawableStencilFormat = GLKViewDrawableStencilFormat.Format8;
MultipleTouchEnabled = true;
if (_viewContext != null)
{
EAGLContext.SetCurrentContext(_viewContext);
_baseMapView.OnSurfaceCreated();
_baseMapView.OnSurfaceChanged((int)(Bounds.Size.Width * _scale), (int)(Bounds.Size.Height * _scale));
}
SetNeedsDisplay();
}
