public IntersectResult LineContains(CoordinateRectangle line)
{
var iLeftTop = PointContains(line.LeftTop) != IntersectResult.None;
var iRightBottom = PointContains(line.RightBottom) != IntersectResult.None;
if (iLeftTop && iRightBottom)
{
return(IntersectResult.Contains);
}
if (iLeftTop || iRightBottom)
{
return(IntersectResult.Intersects);
}
if (MapUtilities.CheckLinesIntersection(new CoordinateRectangle(Left, Top, Right, Top), line))
{
return(IntersectResult.Intersects);
}
if (MapUtilities.CheckLinesIntersection(new CoordinateRectangle(Right, Top, Right, Bottom), line))
{
return(IntersectResult.Intersects);
}
if (MapUtilities.CheckLinesIntersection(new CoordinateRectangle(Left, Bottom, Right, Bottom), line))
{
return(IntersectResult.Intersects);
}
if (MapUtilities.CheckLinesIntersection(new CoordinateRectangle(Left, Top, Left, Bottom), line))
{
return(IntersectResult.Intersects);
}
return(IntersectResult.None);
}
public IntersectResult RectangleContains(CoordinateRectangle rectangle)
{
var iLeftTop = PointContains(rectangle.LeftTop) != IntersectResult.None;
var iRightBottom = PointContains(rectangle.RightBottom) != IntersectResult.None;
if (iLeftTop && iRightBottom)
{
return(IntersectResult.Contains);
}
if (iLeftTop || iRightBottom)
{
return(IntersectResult.Intersects);
}
if (PointContains(rectangle.LeftBottom) != IntersectResult.None)
{
return(IntersectResult.Intersects);
}
if (PointContains(rectangle.RightTop) != IntersectResult.None)
{
return(IntersectResult.Intersects);
}
iLeftTop = rectangle.PointContains(LeftTop) != IntersectResult.None;
iRightBottom = rectangle.PointContains(RightBottom) != IntersectResult.None;
if (iLeftTop && iRightBottom)
{
return(IntersectResult.Supersets);
}
if (iLeftTop || iRightBottom)
{
return(IntersectResult.Intersects);
}
if (rectangle.PointContains(LeftBottom) != IntersectResult.None)
{
return(IntersectResult.Intersects);
}
if (rectangle.PointContains(RightTop) != IntersectResult.None)
{
return(IntersectResult.Intersects);
}
if (MapUtilities.CheckLinesIntersection(new CoordinateRectangle(Left, Top, Left, Bottom),
new CoordinateRectangle(rectangle.Left, rectangle.Top, rectangle.Right, rectangle.Top)))
{
return(IntersectResult.Intersects);
}
if (MapUtilities.CheckLinesIntersection(new CoordinateRectangle(Left, Top, Right, Top),
new CoordinateRectangle(rectangle.Left, rectangle.Top, rectangle.Left, rectangle.Bottom)))
{
return(IntersectResult.Intersects);
}
return(IntersectResult.None);
}
public bool Add(GeomCoordinate coordinate)
{
if (Count > 2)
{
var line1 = new CoordinateRectangle(First, coordinate);
var line2 = new CoordinateRectangle(Last, coordinate);
for (var i = 0; i < Count - 1; i++)
{
if (MapUtilities.CheckLinesIntersection(this[i], line1) ||
MapUtilities.CheckLinesIntersection(this[i], line2))
{
return(false);
}
}
}
Coordinates.Add(coordinate);
return(true);
}