public MainPage()
{
this.InitializeComponent();
ink.InkPresenter.InputDeviceTypes = Windows.UI.Core.CoreInputDeviceTypes.Touch | Windows.UI.Core.CoreInputDeviceTypes.Pen | Windows.UI.Core.CoreInputDeviceTypes.Mouse;
ink.InkPresenter.StrokeInput.StrokeContinued += StrokeInput_StrokeContinued;
ink.InkPresenter.StrokesCollected += InkPresenter_StrokesCollected;
var vec1 = new Vector() { Start = new Point() { X = 0, Y = 0 }, End = new Point { X = 1, Y = 1 } };
var vec2 = new Vector() { Start = new Point() { X = 0, Y = 0 }, End = new Point { X = 1, Y = 0 } };
System.Diagnostics.Debug.WriteLine("Ängle =" + vec2.Angle(vec1));
inkRecognizerContainer = new InkRecognizerContainer();
recoView = inkRecognizerContainer.GetRecognizers();
// Set the text services so we can query when language changes
textServiceManager = CoreTextServicesManager.GetForCurrentView();
textServiceManager.InputLanguageChanged += TextServiceManager_InputLanguageChanged;
SetDefaultRecognizerByCurrentInputMethodLanguageTag();
}
public double Angle(Vector other)
{
return (Math.Atan2(other.Y, other.X) - Math.Atan2(this.Y, this.X)) * 180 / Math.PI;
}
public double Distance(Vector other)
{
return Math.Sqrt(Math.Pow(this.Start.X - other.End.X, 2) + Math.Pow(this.Start.Y - other.End.Y, 2));
}
private async void Detect(List<Point> points)
{
var vectors = new List<Vector>();
vectors.Add(new Vector() { Start = points[0], End = points[1] });
var added = 0;
var skiped = 0;
for (int i = 2; i < points.Count; i++)
{
var vector1 = vectors[vectors.Count - 1];
var vector2 = new Vector() { Start = points[i - 1], End = points[i] };
if (Math.Abs(vector1.Angle(vector2)) > 25)
{
System.Diagnostics.Debug.WriteLine("angle " + Math.Abs(vector1.Angle(vector2)));
vectors.Add(vector2);
added++;
}
else
{
vectors[vectors.Count - 1] = new Vector() { Start = vector1.Start, End = vector2.End };
skiped++;
}
}
vectors = vectors.Where(v => v.Long > 50).ToList();
System.Diagnostics.Debug.WriteLine("added {0} - skiped {1}", added, skiped);
System.Diagnostics.Debug.WriteLine("Cantidad de vectores detectados: {0}", vectors.Count);
if (vectors.Count == 0)
return;
var shape = new Shape(vectors);
System.Diagnostics.Debug.WriteLine("the shape is {0}", shape.IsClosed ? "closed" : "open", 1);
var dp = shape.DrawPoints;
dp.Add(dp.First());
var vecs = dp.Zip(dp.Skip(1), (a, b) => new Vector() { Start = a, End = b }).ToList();
// if (shape.IsClosed || shape.Vectors.Count < 2)
vectors.ForEach(v =>
{
var line = new Line();
line.StrokeThickness = 4;
line.X1 = v.Start.X;
line.X2 = v.End.X;
line.Y1 = v.Start.Y;
line.Y2 = v.End.Y;
line.Stroke = new SolidColorBrush(Color.FromArgb(255, 255, 100, 0));
canvas.Children.Add(line);
});
vectors.ForEach(vector =>
System.Diagnostics.Debug.WriteLine("Vector: {0} a {1} => {2} Long => {3}", vector.Start, vector.End, vector.ToZero, vector.Long)
);
var rec = shape.DetectShape();
if (rec == "Nothing")
OnRecognizeAsync(null, null);
else
shapeText.Text = rec;
}