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// File Visual3d_ClipPlane.cxx
// Created Mars 1992
// Author NW,JPB,CAL
//-Copyright MatraDatavision 1991,1992
//-Version
//-Design Declaration des variables specifiques aux plans de
// clipping modele
//-Warning Un plan de clipping est defini par son equation ou
// par un point et sa normale
// Equation : A*X + B*Y + C*Z + D = 0
//-References
//-Language C++ 2.0
//-Declarations
// for the class
#include <Visual3d_ClipPlane.ixx>
#include <Graphic3d_GraphicDriver.hxx>
//-Aliases
//-Global data definitions
//-Constructors
//-Destructors
//-Methods, in order
Visual3d_ClipPlane::Visual3d_ClipPlane (const Standard_Real ACoefA, const Standard_Real ACoefB, const Standard_Real ACoefC, const Standard_Real ACoefD) {
MyCPlane.WsId = -1;
MyCPlane.ViewId = 0; /* not used */
MyCPlane.CoefA = float (ACoefA);
MyCPlane.CoefB = float (ACoefB);
MyCPlane.CoefC = float (ACoefC);
MyCPlane.CoefD = float (ACoefD);
MyCPlane.PlaneId =
Graphic3d_GraphicDriver::Plane (MyCPlane, Standard_False);
}
void Visual3d_ClipPlane::SetPlane (const Standard_Real ACoefA, const Standard_Real ACoefB, const Standard_Real ACoefC, const Standard_Real ACoefD) {
MyCPlane.CoefA = float (ACoefA);
MyCPlane.CoefB = float (ACoefB);
MyCPlane.CoefC = float (ACoefC);
MyCPlane.CoefD = float (ACoefD);
MyCPlane.PlaneId =
Graphic3d_GraphicDriver::Plane (MyCPlane, Standard_True);
}
void Visual3d_ClipPlane::Plane (Standard_Real& ACoefA, Standard_Real& ACoefB, Standard_Real& ACoefC, Standard_Real& ACoefD) const {
ACoefA = Standard_Real (MyCPlane.CoefA);
ACoefB = Standard_Real (MyCPlane.CoefB);
ACoefC = Standard_Real (MyCPlane.CoefC);
ACoefD = Standard_Real (MyCPlane.CoefD);
}
Standard_Integer Visual3d_ClipPlane::Limit () {
#ifdef GER61454
return 4; // Obsolete method, calls instead myView->PlaneLimit()
#else
// Old method, replaced by GraphicDriver::InquirePlaneLimit ()
return 0;
#endif
}
Standard_Integer Visual3d_ClipPlane::Identification () const {
return (Standard_Integer (MyCPlane.PlaneId));
}
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