public PointerPoint GetCurrentPoint(UIElement relativeTo)
{
var timestamp = ToTimeStamp(_nativeTouch.Timestamp);
var device = Windows.Devices.Input.PointerDevice.For((Windows.Devices.Input.PointerDeviceType)Pointer.PointerDeviceType);
var rawPosition = (Point)_nativeTouch.GetPreciseLocation(null);
var position = relativeTo == null
? rawPosition
: (Point)_nativeTouch.GetPreciseLocation(relativeTo);
return(new PointerPoint(FrameId, timestamp, device, Pointer.PointerId, rawPosition, position, Pointer.IsInContact, _properties));
}
public LinePoint(UITouch touch, int sequenceNumber, PointType pointType)
{
SequenceNumber = sequenceNumber;
Type = touch.Type;
PointType = pointType;
Timestamp = touch.Timestamp;
var view = touch.View;
Location = touch.LocationInView(view);
PreciseLocation = touch.GetPreciseLocation(view);
AzimuthAngle = touch.GetAzimuthAngle(view);
EstimatedProperties = touch.EstimatedProperties;
EstimatedPropertiesExpectingUpdates = touch.EstimatedPropertiesExpectingUpdates;
AltitudeAngle = touch.AltitudeAngle;
Force = (Type == UITouchType.Stylus || touch.Force > 0) ? touch.Force : 1f;
if (EstimatedPropertiesExpectingUpdates != 0)
{
PointType |= PointType.NeedsUpdate;
}
EstimationUpdateIndex = touch.EstimationUpdateIndex;
}
public LinePoint (UITouch touch, int sequenceNumber, PointType pointType)
{
SequenceNumber = sequenceNumber;
Type = touch.Type;
PointType = pointType;
Timestamp = touch.Timestamp;
var view = touch.View;
Location = touch.LocationInView (view);
PreciseLocation = touch.GetPreciseLocation (view);
AzimuthAngle = touch.GetAzimuthAngle (view);
EstimatedProperties = touch.EstimatedProperties;
EstimatedPropertiesExpectingUpdates = touch.EstimatedPropertiesExpectingUpdates;
AltitudeAngle = touch.AltitudeAngle;
Force = (Type == UITouchType.Stylus || touch.Force > 0) ? touch.Force : 1f;
if (EstimatedPropertiesExpectingUpdates != 0)
PointType = this.PointType.Add (PointType.NeedsUpdate);
EstimationUpdateIndex = touch.EstimationUpdateIndex;
}
public override void TouchesBegan(NSSet touches, UIEvent evt)
{
UITouch Touch = touches.AnyObject as UITouch;
if (OpenDropDown != null)
{
for (int i = 0; i < OpenDropDown.Items.Count; i++)
{
if (OpenDropDown.Items[i].Frame.Contains(Touch.GetPreciseLocation(View)))
{
Console.WriteLine("TouchedInside");
}
else
{
for (int k = 0; k < OpenDropDown.Items.Count; k++)
{
OpenDropDown.Items[k].Hidden = true;
}
OpenDropDown.Scrolled.UserInteractionEnabled = true;
}
}
}
Console.WriteLine("Touch");
}
void Collect (Stroke stroke, UITouch touch, UIView view, bool coalesced, bool predicted)
{
if (view == null)
throw new ArgumentNullException ();
// Only collect samples that actually moved in 2D space.
var location = touch.GetPreciseLocation (view);
var previousSample = stroke.Samples.LastOrDefault ();
if (Distance (previousSample?.Location, location) < 0.003)
return;
var sample = new StrokeSample {
Timestamp = touch.Timestamp,
Location = location,
Coalesced = coalesced,
Predicted = predicted
};
bool collectForce = touch.Type == UITouchType.Stylus || view.TraitCollection.ForceTouchCapability == UIForceTouchCapability.Available;
if (collectForce)
sample.Force = touch.Force;
if (touch.Type == UITouchType.Stylus) {
var estimatedProperties = touch.EstimatedProperties;
sample.EstimatedProperties = estimatedProperties;
sample.EstimatedPropertiesExpectingUpdates = touch.EstimatedPropertiesExpectingUpdates;
sample.Altitude = touch.AltitudeAngle;
sample.Azimuth = touch.GetAzimuthAngle (view);
if (stroke.Samples.Count == 0 && estimatedProperties.HasFlag (UITouchProperties.Azimuth)) {
stroke.ExpectsAltitudeAzimuthBackfill = true;
} else if (stroke.ExpectsAltitudeAzimuthBackfill &&
!estimatedProperties.HasFlag (UITouchProperties.Azimuth)) {
for (int index = 0; index < stroke.Samples.Count; index++) {
var priorSample = stroke.Samples [index];
var updatedSample = priorSample;
if (updatedSample.EstimatedProperties.HasFlag (UITouchProperties.Altitude)) {
updatedSample.EstimatedProperties &= ~UITouchProperties.Altitude;
updatedSample.Altitude = sample.Altitude;
}
if (updatedSample.EstimatedProperties.HasFlag (UITouchProperties.Azimuth)) {
updatedSample.EstimatedProperties &= ~UITouchProperties.Azimuth;
updatedSample.Azimuth = sample.Azimuth;
}
stroke.Update (updatedSample, index);
}
stroke.ExpectsAltitudeAzimuthBackfill = false;
}
}
if (predicted) {
stroke.AddPredicted (sample);
} else {
var index = stroke.Add (sample);
if (touch.EstimatedPropertiesExpectingUpdates != 0) {
outstandingUpdateIndexes [touch.EstimationUpdateIndex] = new StrokeIndex {
Stroke = stroke,
Index = index
};
}
}
}
void Collect(Stroke stroke, UITouch touch, UIView view, bool coalesced, bool predicted)
{
if (view == null)
{
throw new ArgumentNullException();
}
// Only collect samples that actually moved in 2D space.
var location = touch.GetPreciseLocation(view);
var previousSample = stroke.Samples.LastOrDefault();
if (Distance(previousSample?.Location, location) < 0.003)
{
return;
}
var sample = new StrokeSample {
Timestamp = touch.Timestamp,
Location = location,
Coalesced = coalesced,
Predicted = predicted
};
bool collectForce = touch.Type == UITouchType.Stylus || view.TraitCollection.ForceTouchCapability == UIForceTouchCapability.Available;
if (collectForce)
{
sample.Force = touch.Force;
}
if (touch.Type == UITouchType.Stylus)
{
var estimatedProperties = touch.EstimatedProperties;
sample.EstimatedProperties = estimatedProperties;
sample.EstimatedPropertiesExpectingUpdates = touch.EstimatedPropertiesExpectingUpdates;
sample.Altitude = touch.AltitudeAngle;
sample.Azimuth = touch.GetAzimuthAngle(view);
if (stroke.Samples.Count == 0 && estimatedProperties.HasFlag(UITouchProperties.Azimuth))
{
stroke.ExpectsAltitudeAzimuthBackfill = true;
}
else if (stroke.ExpectsAltitudeAzimuthBackfill &&
!estimatedProperties.HasFlag(UITouchProperties.Azimuth))
{
for (int index = 0; index < stroke.Samples.Count; index++)
{
var priorSample = stroke.Samples [index];
var updatedSample = priorSample;
if (updatedSample.EstimatedProperties.HasFlag(UITouchProperties.Altitude))
{
updatedSample.EstimatedProperties &= ~UITouchProperties.Altitude;
updatedSample.Altitude = sample.Altitude;
}
if (updatedSample.EstimatedProperties.HasFlag(UITouchProperties.Azimuth))
{
updatedSample.EstimatedProperties &= ~UITouchProperties.Azimuth;
updatedSample.Azimuth = sample.Azimuth;
}
stroke.Update(updatedSample, index);
}
stroke.ExpectsAltitudeAzimuthBackfill = false;
}
}
if (predicted)
{
stroke.AddPredicted(sample);
}
else
{
var index = stroke.Add(sample);
if (touch.EstimatedPropertiesExpectingUpdates != 0)
{
outstandingUpdateIndexes [touch.EstimationUpdateIndex] = new StrokeIndex {
Stroke = stroke,
Index = index
};
}
}
}
