/// <summary>
///
/// </summary>
/// <param name="cubicBezier"></param>
/// <param name="v"></param>
/// <param name="threshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static BaseShape HitTestCubicBezier(XCubicBezier cubicBezier, Vector2 v, double threshold, double dx, double dy)
{
if (RectangleBounds.GetPointBounds(cubicBezier.Point1, threshold, dx, dy).Contains(v))
{
return(cubicBezier.Point1);
}
if (RectangleBounds.GetPointBounds(cubicBezier.Point2, threshold, dx, dy).Contains(v))
{
return(cubicBezier.Point2);
}
if (RectangleBounds.GetPointBounds(cubicBezier.Point3, threshold, dx, dy).Contains(v))
{
return(cubicBezier.Point3);
}
if (RectangleBounds.GetPointBounds(cubicBezier.Point4, threshold, dx, dy).Contains(v))
{
return(cubicBezier.Point4);
}
if (ConvexHullBounds.Contains(cubicBezier.GetPoints().ToImmutableArray(), v, dx, dy))
{
return(cubicBezier);
}
return(null);
}
/// <summary>
///
/// </summary>
/// <param name="arc"></param>
/// <param name="v"></param>
/// <param name="threshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static BaseShape HitTestArc(XArc arc, Vector2 v, double threshold, double dx, double dy)
{
if (RectangleBounds.GetPointBounds(arc.Point1, threshold, dx, dy).Contains(v))
{
return(arc.Point1);
}
if (RectangleBounds.GetPointBounds(arc.Point2, threshold, dx, dy).Contains(v))
{
return(arc.Point2);
}
if (RectangleBounds.GetPointBounds(arc.Point3, threshold, dx, dy).Contains(v))
{
return(arc.Point3);
}
if (RectangleBounds.GetPointBounds(arc.Point4, threshold, dx, dy).Contains(v))
{
return(arc.Point4);
}
if (RectangleBounds.GetArcBounds(arc, dx, dy).Contains(v))
{
return(arc);
}
return(null);
}
/// <summary>
///
/// </summary>
/// <param name="point"></param>
/// <param name="v"></param>
/// <param name="threshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static BaseShape HitTestPoint(XPoint point, Vector2 v, double threshold, double dx, double dy)
{
if (RectangleBounds.GetPointBounds(point, threshold, dx, dy).Contains(v))
{
return(point);
}
return(null);
}
/// <summary>
///
/// </summary>
/// <param name="point"></param>
/// <param name="rect"></param>
/// <param name="selected"></param>
/// <param name="threshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static bool HitTestPoint(XPoint point, Rect2 rect, ISet <BaseShape> selected, double threshold, double dx, double dy)
{
if (RectangleBounds.GetPointBounds(point, threshold, dx, dy).IntersectsWith(rect))
{
if (selected != null)
{
selected.Add(point);
}
else
{
return(true);
}
}
return(false);
}
/// <summary>
///
/// </summary>
/// <param name="line"></param>
/// <param name="rect"></param>
/// <param name="selected"></param>
/// <param name="threshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static bool HitTestLine(XLine line, Rect2 rect, ISet <BaseShape> selected, double threshold, double dx, double dy)
{
if (RectangleBounds.GetPointBounds(line.Start, threshold, dx, dy).IntersectsWith(rect) ||
RectangleBounds.GetPointBounds(line.End, threshold, dx, dy).IntersectsWith(rect) ||
MathHelpers.LineIntersectsWithRect(rect, new Point2(line.Start.X, line.Start.Y), new Point2(line.End.X, line.End.Y)))
{
if (selected != null)
{
selected.Add(line);
return(false);
}
else
{
return(true);
}
}
return(false);
}
/// <summary>
///
/// </summary>
/// <param name="rectangle"></param>
/// <param name="v"></param>
/// <param name="threshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static BaseShape HitTestRectangle(XRectangle rectangle, Vector2 v, double threshold, double dx, double dy)
{
if (RectangleBounds.GetPointBounds(rectangle.TopLeft, threshold, dx, dy).Contains(v))
{
return(rectangle.TopLeft);
}
if (RectangleBounds.GetPointBounds(rectangle.BottomRight, threshold, dx, dy).Contains(v))
{
return(rectangle.BottomRight);
}
if (RectangleBounds.GetRectangleBounds(rectangle, dx, dy).Contains(v))
{
return(rectangle);
}
return(null);
}
/// <summary>
///
/// </summary>
/// <param name="line"></param>
/// <param name="v"></param>
/// <param name="threshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static BaseShape HitTestLine(XLine line, Vector2 v, double threshold, double dx, double dy)
{
if (RectangleBounds.GetPointBounds(line.Start, threshold, dx, dy).Contains(v))
{
return(line.Start);
}
if (RectangleBounds.GetPointBounds(line.End, threshold, dx, dy).Contains(v))
{
return(line.End);
}
if (LineBounds.Contains(line, v, threshold, dx, dy))
{
return(line);
}
return(null);
}
/// <summary>
///
/// </summary>
/// <param name="group"></param>
/// <param name="v"></param>
/// <param name="threshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static BaseShape HitTestGroup(XGroup group, Vector2 v, double threshold, double dx, double dy)
{
foreach (var connector in group.Connectors.Reverse())
{
if (RectangleBounds.GetPointBounds(connector, threshold, dx, dy).Contains(v))
{
return(connector);
}
}
var result = HitTest(group.Shapes.Reverse(), v, threshold, dx, dy);
if (result != null)
{
return(group);
}
return(null);
}
/// <summary>
///
/// </summary>
/// <param name="text"></param>
/// <param name="v"></param>
/// <param name="threshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static BaseShape HitTestText(XText text, Vector2 v, double threshold, double dx, double dy)
{
if (RectangleBounds.GetPointBounds(text.TopLeft, threshold, dx, dy).Contains(v))
{
return(text.TopLeft);
}
if (RectangleBounds.GetPointBounds(text.BottomRight, threshold, dx, dy).Contains(v))
{
return(text.BottomRight);
}
if (RectangleBounds.GetTextBounds(text, dx, dy).Contains(v))
{
return(text);
}
return(null);
}
/// <summary>
///
/// </summary>
/// <param name="path"></param>
/// <param name="v"></param>
/// <param name="threshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static BaseShape HitTestPath(XPath path, Vector2 v, double threshold, double dx, double dy)
{
if (path.Geometry != null)
{
var points = path.GetPoints().ToImmutableArray();
foreach (var point in points)
{
if (RectangleBounds.GetPointBounds(point, threshold, dx, dy).Contains(v))
{
return(point);
}
}
if (ConvexHullBounds.Contains(points, v, dx, dy))
{
return(path);
}
}
return(null);
}