/// <summary>
/// Whether two lines intersect.
/// </summary>
public static bool IntersectsWith(this PdfLine line, PdfLine other)
{
return(IntersectsWith(line.Point1, line.Point2, other.Point1, other.Point2));
}
/// <summary>
/// Get the t values that are the intersections of the line and the curve.
/// </summary>
/// <returns>List of t values where the <see cref="PdfPath.BezierCurve"/> and the <see cref="PdfLine"/> intersect.</returns>
public static double[] FindIntersectionT(this PdfPath.BezierCurve bezierCurve, PdfLine line)
{
// if the bounding boxes do not intersect, they cannot intersect
var bezierBbox = bezierCurve.GetBoundingRectangle();
if (!bezierBbox.HasValue)
{
return(null);
}
var lineBbox = line.GetBoundingRectangle();
if (!bezierBbox.Value.IntersectsWith(lineBbox))
{
return(null);
}
double x1 = line.Point1.X;
double y1 = line.Point1.Y;
double x2 = line.Point2.X;
double y2 = line.Point2.Y;
return(FindIntersectionT(bezierCurve, x1, y1, x2, y2));
}
/// <summary>
/// Whether the line segment contains the point.
/// </summary>
public static bool Contains(this PdfLine line, PdfPoint point)
{
return(Contains(line.Point1, line.Point2, point));
}
/// <summary>
/// Whether two lines intersect.
/// </summary>
public static bool IntersectsWith(this PdfLine line, PdfLine other)
{
return(Intersect(line, other) != null);
}
