|
public static GetPointBounds ( |
||
| point | ||
| threshold | double | |
| dx | double | |
| dy | double | |
| return | ||
/// <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 (ShapeBounds.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)
{
double x0clip, y0clip, x1clip, y1clip;
if (ShapeBounds.GetPointBounds(line.Start, threshold, dx, dy).IntersectsWith(rect) ||
ShapeBounds.GetPointBounds(line.End, threshold, dx, dy).IntersectsWith(rect) ||
Line2.LineIntersectsWithRect(new Point2(line.Start.X, line.Start.Y), new Point2(line.End.X, line.End.Y), rect, out x0clip, out y0clip, out x1clip, out y1clip))
{
if (selected != null)
{
selected.Add(line);
return(false);
}
else
{
return(true);
}
}
return(false);
}