/usr/include/opencascade/gp_Parab2d.lxx is in libopencascade-foundation-dev 6.5.0.dfsg-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 | //File gp_Parab2d.lxx
#include <Standard_ConstructionError.hxx>
inline gp_Parab2d::gp_Parab2d () :
focalLength(RealLast())
{ }
inline gp_Parab2d::gp_Parab2d (const gp_Ax22d& A,
const Standard_Real Focal) :
pos (A),
focalLength (Focal)
{ Standard_ConstructionError_Raise_if(Focal < 0.0,""); }
inline gp_Parab2d::gp_Parab2d (const gp_Ax2d& MirrorAxis,
const Standard_Real Focal,
const Standard_Boolean Sense) :
focalLength (Focal)
{
pos = gp_Ax22d(MirrorAxis,Sense);
Standard_ConstructionError_Raise_if(Focal < 0.0,"");
}
inline void gp_Parab2d::SetFocal (const Standard_Real Focal)
{
Standard_ConstructionError_Raise_if(Focal < 0.0,"");
focalLength = Focal;
}
inline void gp_Parab2d::SetLocation (const gp_Pnt2d& P)
{ pos.SetLocation(P); }
inline void gp_Parab2d::SetMirrorAxis (const gp_Ax2d& A)
{ pos.SetXAxis(A); }
inline void gp_Parab2d::SetAxis (const gp_Ax22d& A)
{ pos.SetAxis(A); }
inline gp_Ax2d gp_Parab2d::Directrix() const
{
gp_Pnt2d P (pos.Location().X() - focalLength * pos.XDirection().X(),
pos.Location().Y() - focalLength * pos.XDirection().Y() );
gp_Dir2d V (pos.YDirection().Reversed());
return gp_Ax2d (P, V);
}
inline Standard_Real gp_Parab2d::Focal() const
{ return focalLength; }
inline gp_Pnt2d gp_Parab2d::Focus() const
{
return gp_Pnt2d (pos.Location().X() + focalLength * pos.XDirection().X(),
pos.Location().Y() + focalLength * pos.XDirection().Y());
}
inline gp_Pnt2d gp_Parab2d::Location () const
{ return pos.Location(); }
inline gp_Ax2d gp_Parab2d::MirrorAxis () const
{ return pos.XAxis(); }
inline gp_Ax22d gp_Parab2d::Axis () const
{ return pos; }
inline Standard_Real gp_Parab2d::Parameter() const
{ return 2.0 * focalLength; }
inline void gp_Parab2d::Reverse()
{
gp_Dir2d Temp = pos.YDirection ();
Temp.Reverse ();
pos.SetAxis(gp_Ax22d(pos.Location(),pos.XDirection(),Temp));
}
inline gp_Parab2d gp_Parab2d::Reversed() const
{
gp_Parab2d P = *this;
gp_Dir2d Temp = pos.YDirection ();
Temp.Reverse ();
P.pos.SetAxis(gp_Ax22d(pos.Location(),pos.XDirection(),Temp));
return P;
}
inline Standard_Boolean gp_Parab2d::IsDirect() const
{ return (pos.XDirection().Crossed(pos.YDirection())) >= 0.0; }
inline void gp_Parab2d::Rotate (const gp_Pnt2d& P,
const Standard_Real Ang)
{pos.Rotate (P, Ang);}
inline gp_Parab2d gp_Parab2d::Rotated (const gp_Pnt2d& P,
const Standard_Real Ang) const
{
gp_Parab2d Prb = *this;
Prb.pos.Rotate (P, Ang);
return Prb;
}
inline void gp_Parab2d::Scale (const gp_Pnt2d& P,
const Standard_Real S)
{
focalLength *= S;
if (focalLength < 0) focalLength = - focalLength;
pos.Scale (P, S);
}
inline gp_Parab2d gp_Parab2d::Scaled (const gp_Pnt2d& P,
const Standard_Real S) const
{
gp_Parab2d Prb = *this;
Prb.focalLength *= S;
if (Prb.focalLength < 0) Prb.focalLength = - Prb.focalLength;
Prb.pos.Scale (P, S);
return Prb;
}
inline void gp_Parab2d::Transform (const gp_Trsf2d& T)
{
focalLength *= T.ScaleFactor();
if (focalLength < 0) focalLength = - focalLength;
pos.Transform (T);
}
inline gp_Parab2d gp_Parab2d::Transformed (const gp_Trsf2d& T) const
{
gp_Parab2d Prb = *this;
Prb.focalLength *= T.ScaleFactor();
if (Prb.focalLength < 0) Prb.focalLength = - Prb.focalLength;
Prb.pos.Transform (T);
return Prb;
}
inline void gp_Parab2d::Translate (const gp_Vec2d& V)
{ pos.Translate (V); }
inline gp_Parab2d gp_Parab2d::Translated (const gp_Vec2d& V) const
{
gp_Parab2d Prb = *this;
Prb.pos.Translate(V);
return Prb;
}
inline void gp_Parab2d::Translate (const gp_Pnt2d& P1,
const gp_Pnt2d& P2)
{ pos.Translate (P1, P2); }
inline gp_Parab2d gp_Parab2d::Translated (const gp_Pnt2d& P1,
const gp_Pnt2d& P2) const
{
gp_Parab2d Prb = *this;
Prb.pos.Translate (P1, P2);
return Prb;
}
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