/// <summary>
/// Creates a point on a linear figure (ILinearFigure)
/// </summary>
/// <param name="drawing">Drawing to add the figure to</param>
/// <param name="figure">A linear figure such as a line or a circle</param>
/// <param name="parameter">A double parameter that defines the
/// position of the point on the figure
/// [0, 2 * PI) for circles, [0, 1] for segments, etc. </param>
/// <returns>The newly created point on the figure</returns>
public static PointOnFigure CreatePointOnFigure(Drawing drawing, IFigure figure, double parameter)
{
var result = new PointOnFigure()
{
Drawing = drawing,
Dependencies = new [] { figure },
};
result.Parameter = parameter;
return(result);
}
/// <summary>
/// Creates a point on a linear figure (ILinearFigure)
/// </summary>
/// <param name="drawing">Drawing to add the figure to</param>
/// <param name="iFigure">A linear figure such as a line or a circle</param>
/// <param name="point">Hint point coordinates - this point will be
/// projected on to the figure if it's not already on it</param>
/// <returns>The newly created point on the figure</returns>
public static PointOnFigure CreatePointOnFigure(Drawing drawing, IFigure iFigure, Point point)
{
var result = new PointOnFigure()
{
Drawing = drawing,
Dependencies = new [] { iFigure },
};
result.Parameter = result.LinearFigure.GetNearestParameterFromPoint(point);
return(result);
}
public override void MouseDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
var coordinates = Coordinates(e);
var list = Drawing.Figures.HitTestMany(coordinates);
var figureList = list.Where(f => f is ILinearFigure).ToArray();
IFigure created = null;
if (!figureList.IsEmpty())
{
if (figureList.Length == 2 &&
IntersectionAlgorithms.CanIntersect(figureList[0], figureList[1]))
{
created = Factory.CreateIntersectionPoint(
Drawing,
figureList[0],
figureList[1],
coordinates);
Actions.Add(Drawing, created);
}
else if (figureList.Length == 1 && PointOnFigure.CanBeOnFigure(figureList[0]))
{
created = Factory.CreatePointOnFigure(
Drawing,
figureList[0],
coordinates);
Actions.Add(Drawing, created);
}
}
else
{
created = CreatePointAtCurrentPosition(coordinates);
}
if (created != null && dialog != null && dialog.Style != null)
{
created.Style = dialog.Style;
}
}
/// <summary>
/// Creates a point on a linear figure (ILinearFigure)
/// </summary>
/// <param name="drawing">Drawing to add the figure to</param>
/// <param name="figure">A linear figure such as a line or a circle</param>
/// <param name="parameter">A double parameter that defines the
/// position of the point on the figure
/// [0, 2 * PI) for circles, [0, 1] for segments, etc. </param>
/// <returns>The newly created point on the figure</returns>
public static PointOnFigure CreatePointOnFigure(Drawing drawing, IFigure figure, double parameter)
{
var result = new PointOnFigure()
{
Drawing = drawing,
Dependencies = new [] { figure },
};
result.Parameter = parameter;
return result;
}
/// <summary>
/// Creates a point on a linear figure (ILinearFigure)
/// </summary>
/// <param name="drawing">Drawing to add the figure to</param>
/// <param name="iFigure">A linear figure such as a line or a circle</param>
/// <param name="point">Hint point coordinates - this point will be
/// projected on to the figure if it's not already on it</param>
/// <returns>The newly created point on the figure</returns>
public static PointOnFigure CreatePointOnFigure(Drawing drawing, IFigure iFigure, Point point)
{
var result = new PointOnFigure()
{
Drawing = drawing,
Dependencies = new [] { iFigure },
};
result.Parameter = result.LinearFigure.GetNearestParameterFromPoint(point);
return result;
}
List<IFigure> GetFiguresToRecalculate(PointOnFigure pointOnFigure, IPoint dependentPoint)
{
return DependencyAlgorithms.FindImpactedDependencyChain(pointOnFigure, dependentPoint);
}
List <IFigure> GetFiguresToRecalculate(PointOnFigure pointOnFigure, IPoint dependentPoint)
{
return(DependencyAlgorithms.FindImpactedDependencyChain(pointOnFigure, dependentPoint));
}
