public void AddRangeCaption(LineConstraintRange range, string caption)
{
if (_rangeTxtMapping.ContainsKey(range))
return;
var txt = new TextBlock();
txt.FontSize = 16;
txt.Text = caption;
txt.Measure(new Size(1000, 1000));
Canvas.SetLeft(txt,
range.Min*Canvas.ActualWidth + ((range.Max - range.Min)*Canvas.ActualWidth - txt.ActualWidth)/2);
Canvas.SetTop(txt, 13);
_rangeTxtMapping.Add(range, txt);
DrawRanges();
}
public void Consume(Stroq stroq)
{
if (stroq.BoundingRect.Width < 5)
return;
stroq.Translate(new Point(-60, 0));
IList<IGesture> recognizedGestures = _gesturizer.Recognize(stroq);
foreach (IGesture recognizedGesture in recognizedGestures)
{
if (recognizedGesture is ScribbleGesture)
{
foreach (Stroq hitStroq in _scribbleGesture.HitStroqs)
{
LineConstraintRange r;
_stroqRangeMapping.TryGetValue(hitStroq, out r);
if (r != null)
{
Ranges.Remove(r);
if (_rangeTxtMapping.ContainsKey(r))
{
Canvas.Children.Remove(_rangeTxtMapping[r]);
_rangeTxtMapping.Remove(r);
}
_stroqRangeMapping.Remove(hitStroq);
}
_scribbleGesture.StroqsToCheck.Remove(hitStroq);
DrawRanges();
OnLineConstraintChange(this);
}
return;
}
}
Rect bb = stroq.BoundingRect;
double rangeMin = MathUtil.Clamp(0, 1, bb.X/(Canvas.ActualWidth));
double rangeMax = MathUtil.Clamp(0, 1, (bb.X + bb.Width)/(Canvas.ActualWidth));
foreach (LineConstraintRange r in Ranges.ToList())
{
if ((r.Min <= rangeMax && r.Max >= rangeMax) ||
(r.Max >= rangeMin && r.Min <= rangeMin) ||
(r.Min >= rangeMin && r.Max <= rangeMax))
{
Ranges.Remove(r);
if (_rangeTxtMapping.ContainsKey(r))
{
Canvas.Children.Remove(_rangeTxtMapping[r]);
_rangeTxtMapping.Remove(r);
}
_stroqRangeMapping.Remove(r._stroq);
_scribbleGesture.StroqsToCheck.Remove(r._stroq);
}
}
var range = new LineConstraintRange(rangeMin, rangeMax);
Ranges.Add(range);
double w = (range.Max - range.Min)*Canvas.ActualWidth;
var s = new Stroq();
s.Points.Add(new Point(range.Min*Canvas.ActualWidth, Canvas.ActualHeight/2));
s.Points.Add(new Point(range.Min*Canvas.ActualWidth + w, Canvas.ActualHeight/2));
range._stroq = s;
_scribbleGesture.StroqsToCheck.Add(s);
_stroqRangeMapping.Add(s, range);
DrawRanges();
OnLineConstraintChange(this);
}