internal override bool Hit(PickupBox pkbox, Entity entity)
{
Polyline polyline = entity as Polyline;
if (polyline == null)
{
return(false);
}
Bounding pkBounding = pkbox.reservedBounding;
for (int i = 1; i < polyline.NumberOfVertices; ++i)
{
LitMath.Line2 line = new LitMath.Line2(
polyline.GetPointAt(i - 1),
polyline.GetPointAt(i));
if (LineHitter.BoundingIntersectWithLine(pkBounding, line))
{
return(true);
}
}
return(false);
}
internal override bool Hit(PickupBox pkbox, Entity entity)
{
Circle circle = entity as Circle;
if (circle == null)
{
return(false);
}
return(MathUtils.BoundingCross(pkbox.reservedBounding, circle));
}
internal override bool Hit(PickupBox pkbox, Entity entity)
{
Ellipse ellipse = entity as Ellipse;
if (ellipse == null)
{
return(false);
}
return(MathUtils.BoundingCross(pkbox.reservedBounding, ellipse));
}
internal override bool Hit(PickupBox pkbox, Entity entity)
{
Xline xline = entity as Xline;
if (xline == null)
{
return(false);
}
Bounding bounding = pkbox.reservedBounding;
return(BoundingIntersectWithXline(bounding, xline));
}
internal override bool Hit(PickupBox pkbox, Entity entity)
{
XPoint xPoint = entity as XPoint;
if (xPoint == null)
{
return(false);
}
XPointRS xPointRS = new XPointRS();
return(xPointRS.Cross(pkbox.reservedBounding, xPoint));
}
internal override bool Hit(PickupBox pkbox, Entity entity)
{
Arc arc = entity as Arc;
if (arc == null)
{
return(false);
}
ArcRS arcRS = new ArcRS();
return(arcRS.Cross(pkbox.reservedBounding, arc));
}
internal override bool Hit(PickupBox pkbox, Entity entity)
{
Ray ray = entity as Ray;
if (ray == null)
{
return(false);
}
Bounding bounding = pkbox.reservedBounding;
return(BoundingIntersectWithRay(bounding, ray));
}
internal override bool Hit(PickupBox pkbox, Entity entity)
{
Text text = entity as Text;
if (text == null)
{
return(false);
}
TextRS textRS = new TextRS();
return(textRS.Cross(pkbox.reservedBounding, text));
}
/// <summary>
/// 构造函数
/// </summary>
internal Pointer(Presenter presenter)
{
_presenter = presenter;
_pickupBox = new PickupBox(_presenter);
_pickupBox.side = 10;
_locateCross = new LocateCross(_presenter);
_locateCross.length = 70;
_snapNodesMgr = new SnapNodesMgr(_presenter);
_anchorMgr = new AnchorsMgr(_presenter);
UpdateBitmap();
}
internal override bool Hit(PickupBox pkbox, Entity entity)
{
Line line = entity as Line;
if (line == null)
{
return(false);
}
Bounding pkBounding = pkbox.reservedBounding;
return(LineHitter.BoundingIntersectWithLine(
pkBounding,
new LitMath.Line2(line.startPoint, line.endPoint)));
}
internal abstract bool Hit(PickupBox pkbox, Entity entity);