/// <summary>
/// Constructs a new trapezoid based on two nodes and two vertical lines.
/// </summary>
/// <param name="topNode">The top node.</param>
/// <param name="bottomNode">The bottom node.</param>
/// <param name="leftLine">The left line.</param>
/// <param name="rightLine">The right line.</param>
internal Trapezoid(Node topNode, Node bottomNode, NodeLine leftLine, NodeLine rightLine)
{
TopNode = topNode;
BottomNode = bottomNode;
LeftLine = leftLine;
RightLine = rightLine;
}
/// <summary>
/// Checks whether the partial trapezoid contains the two lines.
/// </summary>
/// <param name="line1">The line1.</param>
/// <param name="line2">The line2.</param>
/// <returns><c>true</c> if [contains] [the specified line1]; otherwise, <c>false</c>.</returns>
internal bool Contains(NodeLine line1, NodeLine line2)
{
if (LeftLine != line1 && LeftLine != line2)
{
return(false);
}
return(RightLine == line1 || RightLine == line2);
}
/// <summary>
/// Constructs a partial trapezoid
/// </summary>
/// <param name="topNode">The top node.</param>
/// <param name="leftLine">The left line.</param>
/// <param name="rightLine">The right line.</param>
internal PartialTrapezoid(Node topNode, NodeLine leftLine, NodeLine rightLine)
{
TopNode = topNode;
LeftLine = leftLine;
RightLine = rightLine;
}