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occt/src/Select3D/Select3D_Projector.lxx
bugmaster b311480ed5 0023024: Update headers of OCCT files
Added appropriate copyright and license information in source files
2012-03-21 19:43:04 +04:00

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// Created on: 1992-07-09
// Created by: Christophe MARION
// Copyright (c) 1992-1999 Matra Datavision
// Copyright (c) 1999-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.
#include <Standard_NoSuchObject.hxx>
#include <gp_Vec.hxx>
#include <gp_Pnt.hxx>
#include <gp_Lin.hxx>
#include <V3d_View.hxx>
#include <V3d.hxx>
//=======================================================================
//function : Perspective
//purpose :
//=======================================================================
inline Standard_Boolean Select3D_Projector::Perspective() const
{ return myPersp; }
//=======================================================================
//function : Transformation
//purpose :
//=======================================================================
inline const gp_GTrsf& Select3D_Projector::Transformation() const
{ return myGTrsf; }
//=======================================================================
//function : InvertedTransformation
//purpose :
//=======================================================================
inline const gp_GTrsf& Select3D_Projector::InvertedTransformation() const
{ return myInvTrsf; }
//=======================================================================
//function : FullTransformation
//purpose :
//=======================================================================
inline const gp_Trsf& Select3D_Projector::FullTransformation() const
{ return myScaledTrsf; }
//=======================================================================
//function : Focus
//purpose :
//=======================================================================
inline Standard_Real Select3D_Projector::Focus() const
{
Standard_NoSuchObject_Raise_if(!myPersp,
"Select3D_Projector::Not a Perpective");
return myFocus;
}
//=======================================================================
//function : Transform
//purpose :
//=======================================================================
inline void Select3D_Projector::Transform (gp_Vec& D) const
{
gp_XYZ coord = D.XYZ();
if (myGTrsf.Form() == gp_Identity || myGTrsf.Form() == gp_Translation) { }
else if (myGTrsf.Form() == gp_PntMirror) { coord.Reverse(); }
else { coord.Multiply (myGTrsf.VectorialPart()); }
D.SetXYZ(coord);
}
//=======================================================================
//function : Transform
//purpose :
//=======================================================================
inline void Select3D_Projector::Transform (gp_Pnt& Pnt) const
{
gp_XYZ xyz = Pnt.XYZ();
myGTrsf.Transforms(xyz);
Pnt = gp_Pnt(xyz);
}
inline const Handle(V3d_View)& Select3D_Projector::View() const
{return myView;}
inline void Select3D_Projector::Transform (gp_Lin& Lin, const gp_GTrsf& T) const
{
gp_Ax1 ax1 = Lin.Position();
gp_XYZ xyz = ax1.Location().XYZ();
T.Transforms(xyz);
ax1.SetLocation(gp_Pnt(xyz));
gp_Dir dir = ax1.Direction();
gp_XYZ coord = dir.XYZ();
if (T.Form() == gp_Identity || T.Form() == gp_Translation) { }
else if (T.Form() == gp_PntMirror) { coord.Reverse(); }
else {
coord.Multiply (T.VectorialPart());
Standard_Real D = coord.Modulus();
coord.Divide(D);
}
dir.SetXYZ(coord);
ax1.SetDirection(dir);
Lin.SetPosition(ax1);
}
inline void Select3D_Projector::Transform (gp_Pnt& Pnt, const gp_GTrsf& T) const
{
gp_XYZ xyz = Pnt.XYZ();
T.Transforms(xyz);
Pnt = gp_Pnt(xyz);
}
inline Standard_Real Select3D_Projector::DepthMin() const
{
return myDepthMin;
}
inline Standard_Real Select3D_Projector::DepthMax() const
{
return myDepthMax;
}