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#ifndef _Select3D_Box2d_HeaderFile
#define _Select3D_Box2d_HeaderFile
#include<Bnd_Box2d.hxx>
#include<Standard_ShortReal.hxx>
#include<Select3D_Macro.hxx>
struct Select3D_Box2d
{
Standard_ShortReal xmin, ymin, xmax, ymax;
Select3D_Box2d()
{
SetVoid();
}
Select3D_Box2d(const Bnd_Box2d& theBox)
{
SetField(theBox);
}
inline operator Bnd_Box2d() const
{
Bnd_Box2d aBox;
aBox.SetVoid();
if( !IsVoid() )
aBox.Update(xmin, ymin, xmax, ymax);
return aBox;
}
inline Select3D_Box2d operator = ( const Bnd_Box2d& theBox)
{
SetField(theBox);
return *this;
}
inline void Update(const gp_Pnt2d& thePnt)
{
Bnd_Box2d aBox;
aBox.Set(thePnt);
if( !IsVoid() )
aBox.Update(xmin, ymin, xmax, ymax);
SetField(aBox);
}
inline void SetVoid()
{
xmin = ymin = ShortRealLast();
xmax = ymax = ShortRealFirst();
}
inline Standard_Boolean IsVoid() const
{
return ( xmin == ShortRealLast() && ymin == ShortRealLast() && xmax == ShortRealFirst() && ymax == ShortRealFirst() );
}
private:
inline void SetField(const Bnd_Box2d& theBox)
{
if( theBox.IsVoid() )
SetVoid();
else {
Standard_Real x, y, x1, y1;
theBox.Get(x, y, x1, y1);
xmin = DToF(x);
ymin = DToF(y);
xmax = DToF(x1);
ymax = DToF(y1);
}
}
};
#endif
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