/// <summary>
/// Called when a tab is detected.
/// </summary>
/// <param name="detector"></param>
/// <returns></returns>
public bool OnTap(TapGestureDetector detector)
{
// recreate the view.
View2D view = this.CreateView();
// calculate the new center in pixels.
double x = detector.X;
double y = detector.Y;
// calculate the new center from the view.
double[] sceneCenter = view.FromViewPort(this.SurfaceWidth, this.SurfaceHeight,
x, y);
// convert to the projected center.
_mapView.RaiseMapTapEvent(this.Map.Projection.ToGeoCoordinates(sceneCenter[0], sceneCenter[1]));
return true;
}
public virtual bool OnTap(TapGestureDetector detector)
{
return false;
}
/// <summary>
/// Initialize implementation from IMapView.
/// </summary>
/// <param name="mapLayout"></param>
void IMapViewSurface.Initialize(MapView mapLayout)
{
this.MapAllowPan = true;
this.MapAllowTilt = true;
this.MapAllowZoom = true;
// register default invalidation trigger.
(this as IInvalidatableMapSurface).RegisterListener(new DefaultTrigger(this));
_mapView = mapLayout;
this.SetWillNotDraw(false);
// this.SetWillNotCacheDrawing(true);
this.MapMinZoomLevel = 0;
this.MapMaxZoomLevel = 20;
// gets the system density.
_density = global::Android.Content.Res.Resources.System.DisplayMetrics.Density;
_bufferFactor = _density; // set default scale factor relative to density.
// create the renderer.
_renderer = new MapRenderer<global::Android.Graphics.Canvas>(
new CanvasRenderer2D(1));
// initialize the gesture detection.
this.SetOnTouchListener(this);
_scaleGestureDetector = new ScaleGestureDetector(
this.Context, this);
_rotateGestureDetector = new RotateGestureDetector(
this.Context, this);
_moveGestureDetector = new MoveGestureDetector(
this.Context, this);
_tagGestureDetector = new TapGestureDetector(
this.Context, this);
_makerLayer = new LayerPrimitives(
new WebMercator());
// initialize all the caching stuff.
_backgroundColor = SimpleColor.FromKnownColor(KnownColor.White).Value;
_cacheRenderer = new MapRenderer<global::Android.Graphics.Canvas>(
new CanvasRenderer2D(1));
}
/// <summary>
/// Initialize implementation from IMapView.
/// </summary>
/// <param name="mapLayout"></param>
void IMapViewSurface.Initialize(MapView mapLayout)
{
_mapView = mapLayout;
this.SetWillNotDraw(false);
this.MapMinZoomLevel = 10;
this.MapMaxZoomLevel = 20;
_renderer = new MapRenderer<global::Android.Graphics.Canvas>(
new CanvasRenderer2D());
// initialize the gesture detection.
this.SetOnTouchListener(this);
_scaleGestureDetector = new ScaleGestureDetector(
this.Context, this);
_rotateGestureDetector = new RotateGestureDetector(
this.Context, this);
_moveGestureDetector = new MoveGestureDetector(
this.Context, this);
_tagGestureDetector = new TapGestureDetector(
this.Context, this);
_makerLayer = new LayerPrimitives(
new WebMercator());
// initialize all the caching stuff.
_cacheRenderer = new MapRenderer<global::Android.Graphics.Canvas>(
new CanvasRenderer2D());
_scene = new Scene2DSimple();
_scene.BackColor = SimpleColor.FromKnownColor(KnownColor.White).Value;
new Timer(InvalidateSimple, null, 0, 50);
}
public virtual bool OnTap(TapGestureDetector detector)
{
return(false);
}
/// <summary>
/// Initialize implementation from IMapView.
/// </summary>
/// <param name="mapLayout"></param>
void IMapViewSurface.Initialize(MapView mapLayout)
{
// create the Open GL 2D target.
_target = new OpenGLTarget2D();
this.SetRenderer(_target);
_mapView = mapLayout;
this.SetWillNotDraw(false);
this.MapMinZoomLevel = 10;
this.MapMaxZoomLevel = 20;
// create the renderer.
_renderer = new MapRenderer<OpenGLTarget2D>(
new OpenGLRenderer2D());
// initialize the gesture detection.
this.SetOnTouchListener(this);
_scaleGestureDetector = new ScaleGestureDetector(
this.Context, this);
_rotateGestureDetector = new RotateGestureDetector(
this.Context, this);
_moveGestureDetector = new MoveGestureDetector(
this.Context, this);
_tagGestureDetector = new TapGestureDetector(
this.Context, this);
_makerLayer = new LayerPrimitives(
new WebMercator());
_scene = new Scene2D(new WebMercator(), 16);
_scene.BackColor = SimpleColor.FromKnownColor(KnownColor.White).Value;
}
/// <summary>
/// Diposes of all resources associated with this object.
/// </summary>
/// <param name="disposing"></param>
protected override void Dispose(bool disposing)
{
if (disposing == true)
{
//someone wants the deterministic release of all resources
//Let us release all the managed resources
}
else
{
// Do nothing, no one asked a dispose, the object went out of
// scope and finalized is called so lets next round of GC
// release these resources
}
StopRenderingLoop ();
// Release the unmanaged resource in any case as they will not be
// released by GC
this._cacheRenderer = null;
if (this._offScreenBuffer != null)
{ // dispose of the map view surface.
this._offScreenBuffer.Dispose();
this._offScreenBuffer = null;
}
if (this._onScreenBuffer != null)
{ // dispose of the map view surface.
this._onScreenBuffer.Dispose();
this._onScreenBuffer = null;
}
if (this._mapViewAnimator != null)
{
_mapViewAnimator.Stop();
_mapViewAnimator = null;
}
if (this._map != null)
{
this._map = null;
}
this._scaleGestureDetector = null;
this._tagGestureDetector = null;
this._moveGestureDetector = null;
this._rotateGestureDetector = null;
}
