public GestureData(int[] moves, System.Windows.Input.StylusPoint[] points, System.Windows.Input.StylusPoint lastPoint, Rectangle rect)
{
this.moves = moves;
this.points = points;
this.lastPoint = lastPoint;
this.rect = rect;
}
/// <summary>
/// Create a stroke from an InkStroke. Used when adding the stroke.
/// </summary>
/// <param name="stroke"></param>
/// <param name="dtGuid"></param>
/// <param name="SAMPLE_RATE"></param>
public Stroke(System.Windows.Ink.Stroke stroke, Guid dtGuid, float SAMPLE_RATE)
: this()
{
// Get the timestamp for the function using a const Guid
ulong theTime;
if (stroke.ContainsPropertyData(dtGuid))
{
// MIT file format
ulong fileTime = (ulong)stroke.GetPropertyData(dtGuid);
theTime = (fileTime - 116444736000000000) / 10000;
}
else
{
theTime = ((ulong)DateTime.Now.ToFileTime() - 116444736000000000) / 10000;
}
// Set time data for each point and add it to the list of substroke's points
List <Point> pointsToAdd = new List <Point>();
System.Windows.Input.StylusPointCollection stylusPoints = stroke.StylusPoints;
int numPoints = stylusPoints.Count;
for (int i = 0; i < numPoints; i++)
{
// We believe this to be the standard sample rate. The multiplication by 1,000 is to convert from
// seconds to milliseconds.
//
// Our time is in the form of milliseconds since Jan 1, 1970
//
// NOTE: The timestamp for the stroke is made WHEN THE PEN IS LIFTED
System.Windows.Input.StylusPoint styPoint = stylusPoints[i];
ulong adjustedTime = theTime - (ulong)((1 / SAMPLE_RATE * 1000) * (numPoints - i));
Point toAdd = new Point((float)styPoint.X, (float)styPoint.Y, (float)styPoint.PressureFactor, Convert.ToUInt64(adjustedTime), "point");
// HACK: Add back in if debugging: if (!pointsToAdd.Contains(toAdd))
pointsToAdd.Add(toAdd);
}
// Create the new substroke using its drawing attributes
System.Windows.Ink.DrawingAttributes drawingAttributes = stroke.DrawingAttributes;
Substroke substroke = new Substroke(pointsToAdd);
substroke.Name = "substroke";
substroke.Color = drawingAttributes.Color.GetHashCode();
substroke.PenTip = drawingAttributes.StylusTip.ToString();
substroke.PenWidth = (float)drawingAttributes.Width;
substroke.PenHeight = (float)drawingAttributes.Height;
substroke.Source = "InkSketch.canvasStrokeToSketchStroke";
substroke.Start = pointsToAdd[0].Id;
substroke.End = pointsToAdd[pointsToAdd.Count - 1].Id;
this.AddSubstroke(substroke);
// Update the stroke's attributes
this._xmlAttributes.Name = "stroke";
this._xmlAttributes.Time = (ulong)theTime;
this._xmlAttributes.Type = "stroke";
this._xmlAttributes.Source = "Converter";
}
/// <summary>
/// 开始手势捕获
/// </summary>
/// <param name="mx">鼠标相对于绘图区的X坐标</param>
/// <param name="my">鼠标相对于绘图区的Y坐标</param>
public void StartCapture(int mx, int my)
{
moves = new ArrayList();
points = new ArrayList();
rect = new GenericRect(int.MaxValue, int.MinValue, int.MaxValue, int.MinValue);
lastPoint = new System.Windows.Input.StylusPoint(mx, my);
}
private void Service_StrokeUpdated(object sender, StrokeUpdatedEventArgs e)
{
var pathPart = e.PathPart;
var data = pathPart.Data.GetEnumerator();
//Data is stored XYW
float x = -1;
float y = -1;
float w = -1;
if (data.MoveNext())
{
x = data.Current;
}
if (data.MoveNext())
{
y = data.Current;
}
if (data.MoveNext())
{
//Clamp to 0.0 -> 1.0
w = Math.Max(0.0f, Math.Min(1.0f, (data.Current - 1.0f) * pFactor));
}
var point = new System.Windows.Input.StylusPoint(x * m_scale, y * m_scale, w);
if (m_addNewStrokeToModel)
{
m_addNewStrokeToModel = false;
var points = new System.Windows.Input.StylusPointCollection();
points.Add(point);
var stroke = new Stroke(points);
stroke.DrawingAttributes = m_DrawingAttributes;
Dispatcher.Invoke(DispatcherPriority.Background, new Action(() =>
{
_strokes.Add(stroke);
}));
}
else
{
Dispatcher.Invoke(DispatcherPriority.Background, new Action(() =>
{
_strokes[_strokes.Count - 1].StylusPoints.Add(point);
}));
}
}
private void Service_StrokeEnded(object sender, StrokeEndedEventArgs e)
{
Dispatcher.Invoke(DispatcherPriority.Background, new Action(() =>
{
var pathPart = e.PathPart;
var data = pathPart.Data.GetEnumerator();
//Data is stored XYW
float x = -1;
float y = -1;
float w = -1;
if (data.MoveNext())
{
x = data.Current;
}
if (data.MoveNext())
{
y = data.Current;
}
if (data.MoveNext())
{
//Clamp to 0.0 -> 1.0
w = Math.Max(0.0f, Math.Min(1.0f, (data.Current - 1.0f) * pFactor));
}
var point = new System.Windows.Input.StylusPoint(x * m_scale, y * m_scale, w);
Dispatcher.Invoke(DispatcherPriority.Background, new Action(() =>
{
_strokes[_strokes.Count - 1].StylusPoints.Add(point);
NotifyPropertyChanged("Strokes");
}));
m_addNewStrokeToModel = true;
}));
}
private void MatchGesture()
{
int bestCost = 1000000;
int cost = 0;
int[] gest;
int[] imoves = new int[moves.Count];
for (int i = 0; i < moves.Count; i++)
{
//Console.WriteLine((int)moves[i]);
if (i > 0 && i + 1 < imoves.Length)
{
if (((int)moves[i] == 7 && (int)moves[i + 1] != 6 && (int)moves[i + 1] != 0 && (int)moves[i + 1] != 7) || ((int)moves[i + 1] == 7 && (int)moves[i] != 6 && (int)moves[i] != 0 && (int)moves[i] != 7))
{
polyPoints.Add((System.Windows.Input.StylusPoint)points[i]);
polyPoints.Add((System.Windows.Input.StylusPoint)points[i + 1]);
}
else if ((int)moves[i] != 7 && (int)moves[i + 1] != 7 && Math.Abs(((int)moves[i + 1] + 1) % 8 - ((int)moves[i] + 1) % 8) > 1)
{
polyPoints.Add((System.Windows.Input.StylusPoint)points[i]);
polyPoints.Add((System.Windows.Input.StylusPoint)points[i + 1]);
}
}
}
for (int i = 0; i < imoves.Length; i++)
{
imoves[i] = (int)moves[i];
}
System.Windows.Input.StylusPoint[] ppoints = new System.Windows.Input.StylusPoint[points.Count];
for (int i = 0; i < ppoints.Length; i++)
{
ppoints[i] = (System.Windows.Input.StylusPoint)points[i];
}
string bestGesture = string.Empty;
Rectangle irect = new Rectangle();
irect.HorizontalAlignment = HorizontalAlignment.Left;
irect.VerticalAlignment = VerticalAlignment.Top;
irect.Margin = new Thickness(rect.MinX, rect.MinY, 0, 0);
irect.Width = rect.MaxX - rect.MinX;
irect.Height = rect.MaxY - rect.MinY;
GestureInfos infos = new GestureInfos(new GestureData(imoves, ppoints, lastPoint, irect));
for (int i = 0; i < gestures.Count; i++)
{
gest = (gestures[i] as GestureProperties).Moves;
infos.Present = (gestures[i] as GestureProperties).Present;
cost = CostLeven(gest, imoves);
if (cost <= DEFAULT_FIABILITY)
{
if ((gestures[i] as GestureProperties).match != null)
{
infos.Cost = cost;
cost = (gestures[i] as GestureProperties).match(infos);
}
if (cost < bestCost)
{
bestCost = cost;
bestGesture = (gestures[i] as GestureProperties).Present;
}
}
}
MouseGestureEventArgs args = new MouseGestureEventArgs();
args.Present = bestGesture;
args.Fiability = cost;
if (GestureMatchEvent != null)
{
GestureMatchEvent(args);
}
}
public static bool Equals(System.Windows.Input.StylusPoint stylusPoint1, System.Windows.Input.StylusPoint stylusPoint2)
{
return(default(bool));
}
public bool Equals(System.Windows.Input.StylusPoint value)
{
return(default(bool));
}
