// Created on: 1997-12-05
// Created by: Robert COUBLANC
// Copyright (c) 1997-1999 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 <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);
}