// File:	DsgPrs_ShadedPlanePresentation.cxx
// Created:	Fri Dec  5 16:06:04 1997
// Author:	Robert COUBLANC
//		<rob@robox.paris1.matra-dtv.fr>


#include <DsgPrs_ShadedPlanePresentation.ixx>
#include <Prs3d_Root.hxx>
#include <Prs3d_PlaneAspect.hxx>
#include <Prs3d_LineAspect.hxx>
#include <Prs3d_ShadingAspect.hxx>
#include <Graphic3d_Group.hxx>
#include <Graphic3d_Array1OfVertex.hxx>


//=======================================================================
//function : Add
//purpose  : 
//=======================================================================

void DsgPrs_ShadedPlanePresentation::Add(const Handle(Prs3d_Presentation)& aPresentation,
					 const Handle(Prs3d_Drawer)& aDrawer,	     
					 const gp_Pnt& aPt1, 
					 const gp_Pnt& aPt2,
					 const gp_Pnt& aPt3)
{
  Handle(Graphic3d_Group) TheGroup = Prs3d_Root::CurrentGroup(aPresentation);
  TheGroup->SetPrimitivesAspect(aDrawer->PlaneAspect()->EdgesAspect()->Aspect());
  TheGroup->SetPrimitivesAspect(aDrawer->ShadingAspect()->Aspect());
  Quantity_Length x1,y1,z1,x2,y2,z2,x3,y3,z3;
  
  aPt1.Coord(x1,y1,z1);
  aPt2.Coord(x2,y2,z2);
  aPt3.Coord(x3,y3,z3);
  
  Graphic3d_Array1OfVertex A(1,5);
  A(1).SetCoord(x1,y1,z1);
  A(2).SetCoord(x2,y2,z2);
  A(3).SetCoord(x3,y3,z3);
  A(4).SetCoord(x1,y1,z1);
  A(5)=A(1);
 
  TheGroup->Polygon(A);
}