private void _path_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (e.ClickCount == 2)
{
if (EndPoints == null)
{
EndPoints = new List <ThumbPoint>();
}
var point = e.GetPosition(_canvas);
var tpoint = new ThumbPoint(point);
tpoint.DragDelta += Thumb_DragDelta;
tpoint.DragCompleted += Item_DragCompleted;
_canvas.Children.Add(tpoint);
EndPoints.Add(tpoint);
ControlPoints.Add(tpoint);
OrderControlPoints();
}
}
private void _canvas_MouseUp(object sender, MouseButtonEventArgs e)
{
if (e.ClickCount == 2)
{
var point = e.GetPosition(_canvas);
int n = Points.Where(p => Math.Abs(p.X - point.X) < 2 && Math.Abs(p.Y - point.Y) < 2).Count();
if (n > 0)
{
return;
}
var thumb = new ThumbPoint(point);
thumb.DragDelta += Thumb_DragDelta;
thumb.DragCompleted += Item_DragCompleted;
ControlPoints.Add(thumb);
_canvas.Children.Add(thumb);
OrderControlPoints();
GetBezierApproximation();
}
}
public Tuple(int lapth, int rpath, ThumbPoint point)
{
LPath = lapth;
RPath = rpath;
Point = point;
}