public GestureViewRenderer()
{
_gestureListener = new DroidGestureViewTouchListener();
_gestureDetector = new GestureDetector(_gestureListener);
_scaleListener = new DroidGestureViewScaleListener();
_scaleDetector = new ScaleGestureDetector(Context, _scaleListener);
}
protected override void OnCreate (Bundle bundle)
{
base.OnCreate (bundle);
// Set our view from the "main" layout resource
SetContentView (Resource.Layout.Main);
// Add our touch handlers.
PinchDetector = new ScaleGestureDetector(this, this);
MoveDetector = new MoveGestureDetector(this, this);
RotationDetector = new RotateGestureDetector(this, this);
Detector = new GestureDetector(this, this);
Detector.IsLongpressEnabled = false;
MainLayout = (RelativeLayout)FindViewById (Resource.Id.main);
MainLayout.Touch += HandleTouch;
// Disable touch handling by the views themselves.
for(var i = 0; i < MainLayout.ChildCount; i++) {
var view = MainLayout.GetChildAt(i);
Log("OnCreate", "View {0} disabled.", i);
view.Focusable = true;
view.FocusableInTouchMode = true;
view.RequestFocus();
}
BootstrapDropbox ();
}
public GestureRecognizerView (Context context)
: base(context, null, 0)
{
_icon = context.Resources.GetDrawable (Resource.Drawable.ic_launcher);
_icon.SetBounds (0, 0, _icon.IntrinsicWidth, _icon.IntrinsicHeight);
_scaleDetector = new ScaleGestureDetector (context, new MyScaleListener (this));
}
public override bool OnScale(ScaleGestureDetector detector)
{
float cur = detector.CurrentSpan;
float last = detector.PreviousSpan;
if (Math.Abs(cur - last) < 10)
return false;
return _pinchDelegate(detector.ScaleFactor, new Point(Forms.Context.FromPixels(detector.FocusX), Forms.Context.FromPixels(detector.FocusY)));
}
public void OnLoaded(ImageView p0, Bitmap p1, string p2, bool p3)
{
_image = imageView.Drawable;
_image.SetBounds(0, 0, _image.IntrinsicWidth, _image.IntrinsicHeight);
_scaleDetector = new ScaleGestureDetector(_context, new MyScaleListener(this));
var metrics = Resources.DisplayMetrics;
_posX = GetCornerPosition(PixelConverter.PixelsToDp(metrics.WidthPixels), _image.Bounds.Width()) * (int)_scaleFactor;
_posY = GetCornerPosition(PixelConverter.PixelsToDp(metrics.HeightPixels), _image.Bounds.Height());
}
//float scale = 1;
/// <summary>
/// Constructor
/// </summary>
/// <param name="context"></param>
/// <param name="attrs"></param>
public ImageCropView(Context context, IAttributeSet attrs) : base(context, attrs)
{
SetLayerType(Android.Views.LayerType.Software, null);
this.context = context;
_scaleDetector = new ScaleGestureDetector(context, new MyScaleListener(this));
GetScreenResolution(context);
// make this view available in the PCL
ImageCropInstance.ImageCropView = this;
}
public bool OnScale(ScaleGestureDetector detector)
{
float scaleFactor = detector.ScaleFactor;
if (Float.InvokeIsNaN(scaleFactor) || Float.InvokeIsInfinite(scaleFactor))
return false;
froyoGestureDetector.mListener.OnScale (scaleFactor,
detector.FocusX, detector.FocusY);
return true;
}
public override bool OnScale (ScaleGestureDetector detector)
{
_view._scaleFactor *= detector.ScaleFactor;
// put a limit on how small or big the image can get.
if (_view._scaleFactor > 5.0f) {
_view._scaleFactor = 5.0f;
}
if (_view._scaleFactor < 0.1f) {
_view._scaleFactor = 0.1f;
}
_view.Invalidate ();
return true;
}
/// <summary>
/// Raises the scale begin event.
/// </summary>
/// <param name="detector">Detector.</param>
public bool OnScaleBegin(ScaleGestureDetector detector)
{
_deltaScale = 1;
_deltaDegrees = 0;
_deltaX = 0;
_deltaY = 0;
return true;
}
/// <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));
}
public void OnScaleEnd(ScaleGestureDetector detector)
{
var args = new ScaleGestureDetector.ScaleEndEventArgs(detector);
var handler = this.ScaleEnd;
if (handler != null)
{
handler(this, args);
}
}
/// <summary>
/// Raises the scale end event.
/// </summary>
/// <param name="detector">Detector.</param>
public void OnScaleEnd(ScaleGestureDetector detector)
{
}
public override bool OnScale(ScaleGestureDetector detector)
{
var handler = Pinch;
if (handler != null)
handler(this, new PinchEventArgs
{
ScaleFactor = detector.ScaleFactor,
InProgress = detector.IsInProgress,
GestureTime = TimeSpan.FromMilliseconds(detector.TimeDelta)
});
return true;
}
/// <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;
}
public override void OnScaleEnd(ScaleGestureDetector detector)
{
_pinchEndedDelegate();
}
public override bool OnScaleBegin(ScaleGestureDetector detector)
{
return _pinchStartedDelegate(new Point(Forms.Context.FromPixels(detector.FocusX), Forms.Context.FromPixels(detector.FocusY)));
}
/// <summary>
/// Raises the scale event.
/// </summary>
/// <param name="detector">Detector.</param>
public bool OnScale(ScaleGestureDetector detector)
{
this.ZoomFactor = (float)System.Math.Log((System.Math.Pow(2, this.ZoomFactor) * detector.ScaleFactor), 2.0);
// float factorX = this.View.Width / this.Width;
// float factorY = this.View.Height / this.Height;
// this.View = View2D.CreateFromCenterAndSize(this.View.Width / detector.ScaleFactor, this.View.Height / detector.ScaleFactor,
// this.View.CenterX,
// this.View.CenterY);
_scaled = true;
this.Invalidate();
return true;
}
/// <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);
}
/// <summary>
/// Raises the scale begin event.
/// </summary>
/// <param name="detector">Detector.</param>
public bool OnScaleBegin(ScaleGestureDetector detector)
{
return true;
}
private void OnScale(object sender, ScaleGestureDetector.ScaleEventArgs ev)
{
var zoom = ev.Detector.PreviousSpan / ev.Detector.CurrentSpan;
var current = this.startFOV * zoom;
if (current >= MinFOV && current <= MaxFOV)
{
this.renderer.FieldOfView = current;
}
}
/// <summary>
/// Initialize this instance.
/// </summary>
void Initialize()
{
// initialize the gesture detection.
_gestureDetector= new GestureDetector(
this);
_scaleGestureDetector = new ScaleGestureDetector(
this.Context, this);
this.SetOnTouchListener(this);
}
public WaveFormLayout(WaveFormScrollView scrollView) : base(scrollView.Context)
{
_scrollView = scrollView;
Orientation = Orientation.Vertical;
//SetBackgroundColor(Color.DarkOrange);
int height = (int)TypedValue.ApplyDimension(ComplexUnitType.Dip, 22, Resources.DisplayMetrics);
ScaleView = new WaveFormScaleView(Context);
ScaleView.SetBackgroundColor(Color.Purple);
AddView(ScaleView, new LinearLayout.LayoutParams(LayoutParams.WrapContent, height));
WaveView = new WaveFormView(Context);
//WaveView.SetBackgroundColor(Color.DarkRed);
AddView(WaveView, new LinearLayout.LayoutParams(LayoutParams.WrapContent, LayoutParams.FillParent));
_panGestureDetector = new GestureDetector(Context, new PanListener(_scrollView));
_scaleGestureDetector = new ScaleGestureDetector(Context, new ScaleListener(_scrollView));
_scroller = new OverScroller(Context);
}
public bool OnScaleBegin(ScaleGestureDetector detector)
{
var args = new ScaleGestureDetector.ScaleBeginEventArgs(true, detector);
var handler = this.ScaleBegin;
if (handler != null)
{
handler(this, args);
}
return args.Handled;
}
public override bool OnScaleBegin(ScaleGestureDetector detector)
{
//Console.WriteLine("ScaleListener - OnScaleBegin - scaleFactor: {0}", detector.ScaleFactor);
if (_scrollView.WaveView.IsLoading)
return base.OnScaleBegin(detector);
_startZoom = _scrollView.Zoom;
_startContentOffsetX = _scrollView.WaveView.ContentOffset.X;
SetScrollViewScale(detector.ScaleFactor, detector.FocusX);
return base.OnScaleBegin(detector);
}
public GestureListener(Context context)
{
this.numberOfPointers = 0;
this.gestureScanner = new GestureDetector(this);
this.scaleGestureScanner = new ScaleGestureDetector(context, this);
}
public override bool OnScale(ScaleGestureDetector detector)
{
//Console.WriteLine("ScaleListener - OnScale - scaleFactor: {0}", detector.ScaleFactor);
SetScrollViewScale(detector.ScaleFactor, detector.FocusX);
return base.OnScale(detector);
}
/// <summary>
/// Raises the scale event.
/// </summary>
/// <param name="detector">Detector.</param>
public bool OnScale(ScaleGestureDetector detector)
{
_deltaScale = detector.ScaleFactor;
return true;
}
public override void OnScaleEnd(ScaleGestureDetector detector)
{
//Console.WriteLine("ScaleListener - OnScaleEnd - scaleFactor: {0}", detector.ScaleFactor);
SetScrollViewScale(detector.ScaleFactor, detector.FocusX);
base.OnScaleEnd(detector);
}
/// <summary>
/// Raises the scale end event.
/// </summary>
/// <param name="detector">Detector.</param>
public void OnScaleEnd(ScaleGestureDetector detector)
{
_deltaScale = 1;
}
public override bool OnScale(ScaleGestureDetector detector)
{
_view.ScaleCropper(detector.ScaleFactor);
return true;
}
