public Signature GetSignature()
{
var points = inkPresenter.GetStrokes().SelectMany(stroke => stroke.GetPoints()).ToList();
if (points.Count == 0)
{
return(null);
}
var features = Signature.SignatureFeatures.None;
if (points.Min(point => point.Pressure) != points.Max(point => point.Pressure))
{
features |= Signature.SignatureFeatures.Pressure;
}
if (points.Min(point => point.TiltOrieantation?.X ?? 0) != points.Max(point => point.TiltOrieantation?.X))
{
features |= Signature.SignatureFeatures.TiltOrientationX;
}
if (points.Min(point => point.TiltOrieantation?.Y ?? 0) != points.Max(point => point.TiltOrieantation?.Y))
{
features |= Signature.SignatureFeatures.TiltOrientationY;
}
var signature = new Signature(
features,
#if __ANDROID__
new Signature.SignatureFrame(Width, Height),
#elif __IOS__
new Signature.SignatureFrame((float)Frame.Width, (float)Frame.Height),
#endif
inkPresenter.GetStrokes()
?.Select(inkStroke =>
{
var tsOrigin = inkStroke.GetPoints().Count > 0 ? inkStroke.GetPoints()[0].Timestamp : TimeSpan.Zero;
var stroke = new Signature.SignatureStroke(
Signature.SignatureStrokeSource.Touch,
inkStroke.GetPoints()
.Select(inkPoint => new Signature.SignaturePoint(
new Signature.SignaturePointPosition((float)inkPoint.Position.X, (float)inkPoint.Position.Y),
inkPoint.Pressure,
inkPoint.TiltOrieantation != null ? new Signature.SignatureTiltOrieantation(inkPoint.TiltOrieantation.X, inkPoint.TiltOrieantation.Y) : null,
inkPoint.Timestamp - tsOrigin)),
inkStroke.Timestamp);
return(stroke);
})
.ToList(),
inkPresenter.GetStrokes()[0].Timestamp);
return(signature);
}
public Signature GetSignature()
{
if (lStroke.Count == 0)
{
return(null);
}
var features = Signature.SignatureFeatures.None;
var points = lStroke.SelectMany(stroke => stroke.Points).ToList();
if (points.Min(point => point.Pressure) != points.Max(point => point.Pressure))
{
features |= Signature.SignatureFeatures.Pressure;
}
if (points.Min(point => point.TiltOrieantation?.X ?? 0) != points.Max(point => point.TiltOrieantation?.X ?? 0))
{
features |= Signature.SignatureFeatures.TiltOrientationX;
}
if (points.Min(point => point.TiltOrieantation?.Y ?? 0) != points.Max(point => point.TiltOrieantation?.Y ?? 0))
{
features |= Signature.SignatureFeatures.TiltOrientationY;
}
var signature = new Signature(
features,
new Signature.SignatureFrame((float)Width, (float)Height),
lStroke
?.Select(inkStroke =>
{
var tsOrigin = inkStroke.Points.Count > 0 ? inkStroke.Points[0].Timestamp : TimeSpan.Zero;
var stroke = new Signature.SignatureStroke(
(Signature.SignatureStrokeSource)inkStroke.Source,
inkStroke.Points
.Select(inkPoint => new Signature.SignaturePoint(
new Signature.SignaturePointPosition((float)inkPoint.Position.X, (float)inkPoint.Position.Y),
inkPoint.Pressure,
inkPoint.TiltOrieantation != null ? new Signature.SignatureTiltOrieantation(inkPoint.TiltOrieantation.X, inkPoint.TiltOrieantation.Y) : null,
inkPoint.Timestamp - tsOrigin)),
inkStroke.Timestamp);
return(stroke);
}),
lStroke[0].Timestamp);
return(signature);
}