/// <summary>
/// Provides information about if the point lies in the circle.
/// </summary>
/// <param name="circle2D">The circle.</param>
/// <param name="point">The point.</param>
/// <returns>
/// <see cref="Kanji.DesktopApp.Interfaces.AreaCode.Unknown"/> if status is unknown.
/// <see cref="Kanji.DesktopApp.Interfaces.AreaCode.Disjoint"/> if the point lies outside the circle.
/// <see cref="Kanji.DesktopApp.Interfaces.AreaCode.Overlap"/> if the point lies inside or on the circle edge.
/// Additionally to Overlap: <see cref="Kanji.DesktopApp.Interfaces.AreaCode.AEnclosesB"/> if the point lies inside and not on the edge.
/// Additionally to Overlap and AEnclosesB: <see cref="Kanji.DesktopApp.Interfaces.AreaCode.Identical"/> if the point equals the centre point of the circle.
/// Additionally to Overlap: <see cref="Kanji.DesktopApp.Interfaces.AreaCode.Tangents"/> if the point lies on the edge of the circle.
/// </returns>
public static AreaCode Intersect(Circle2D circle2D, Point point)
{
AreaCode retval = AreaCode.Unknown;
if (circle2D.Centre.Distance((Point)point) < circle2D.Radius)
{
retval = AreaCode.Overlap | AreaCode.AEnclosesB;
}
else if (circle2D.Centre.Equals(point))
{
retval = AreaCode.Overlap | AreaCode.AEnclosesB | AreaCode.Identical;
}
else if (circle2D.Centre.Distance((Point)point) == circle2D.Radius)
{
retval = AreaCode.Overlap | AreaCode.Tangents;
}
else
{
retval = AreaCode.Disjoint;
}
return(retval);
}
/// <summary>
/// Provides information about if the stroke intersects the circle.
/// </summary>
/// <param name="stroke">The stroke.</param>
/// <returns>
/// <see cref="Kanji.DesktopApp.Interfaces.AreaCode.Unknown"/> if status is unknown.
/// <see cref="Kanji.DesktopApp.Interfaces.AreaCode.Disjoint"/> if the stroke lies outside the circle.
/// <see cref="Kanji.DesktopApp.Interfaces.AreaCode.Overlap"/> if the stroke lies inside, intersects or is a tangent of the circle.
/// Additionally to Overlap: <see cref="Kanji.DesktopApp.Interfaces.AreaCode.AEnclosesB"/> if the stroke lies completely inside the circle.
/// Additionally to Overlap: <see cref="Kanji.DesktopApp.Interfaces.AreaCode.Intersect"/> if the stroke intersects the circle.
/// Additionally to Overlap: <see cref="Kanji.DesktopApp.Interfaces.AreaCode.Tangents"/> if the stroke is a tangent of the circle.
/// </returns>
public static AreaCode Intersect(Circle2D circle2D, IStroke stroke)
{
throw new NotImplementedException();
}
internal static AreaCode Intersect(Rectangle2D rectangle2D, Circle2D circle2D)
{
throw new NotImplementedException();
}
public static AreaCode Intersect(Circle2D circle2D, Rectangle2D rectangle2D)
{
throw new NotImplementedException();
}
public static AreaCode Intersect(Circle2D circle2D, Square2D square2D)
{
return(Area.Intersect(circle2D, square2D as Rectangle2D));
}