public override void MoveToCore(Point newPosition)
{
ILinearFigure figure = LinearFigure;
Parameter = figure.GetNearestParameterFromPoint(newPosition);
newPosition = figure.GetPointFromParameter(Parameter);
base.MoveToCore(newPosition);
}
public static IEnumerable <Point> EnumeratePointsOnLinearFigure(this ILinearFigure figure)
{
var domain = figure.GetParameterDomain();
for (double lambda = domain.Item1; lambda < domain.Item2; lambda += 0.01)
{
yield return(figure.GetPointFromParameter(lambda));
}
}
public static ILinearFigure GetFigureIfPointWithinTolerance(this ILinearFigure figure, Point point)
{
if (IsPointWithinTolerance(figure, point))
{
return(figure);
}
else
{
return(null);
}
}
public static Point SnapPointToFigure(this ILinearFigure figure, Point point)
{
var parameter = figure.GetNearestParameterFromPoint(point);
return(figure.GetPointFromParameter(parameter));
}
public static bool IsPointWithinTolerance(this ILinearFigure figure, Point point)
{
Point pointOnFigure = figure.SnapPointToFigure(point);
return(Math.Abs(pointOnFigure.Distance(point)) < figure.Drawing.CoordinateSystem.CursorTolerance);
}
