Contour2D.h

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//    Copyright 2004, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    H3D API is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
//
#ifndef __CONTOUR2D_H__
#define __CONTOUR2D_H__

#include "X3DNode.h"
#include "MFNode.h"
#include "NurbsCurve2D.h"
#include "ContourPolyline2D.h"
#include "GL/glew.h"

namespace H3D {


  class H3DAPI_API Contour2D : 
    public X3DNode {
  public:


                class H3DAPI_API AddTheChildren: public MFNode {
                public:

                        virtual void onAdd( Node *n ) {
                                MFNode::onAdd( n );
                                NurbsCurve2D *nurbs_curve_2D = 
                                        dynamic_cast< NurbsCurve2D * >( n );

                                ContourPolyline2D *contour_poly_line_2D = 
                                        dynamic_cast< ContourPolyline2D * >( n );

                                if( !nurbs_curve_2D && !contour_poly_line_2D ) {
                                        stringstream s;
                                        s << "Expecting NurbsCurve2D or ContourPolyline2D";
                                        throw InvalidNodeType( n->getTypeName(),
                                                s.str(),
                                                H3D_FULL_LOCATION );
                                }
                                else{
                                        Contour2D * contourNode2D = 
          static_cast< Contour2D * >( getOwner() );
                                                contourNode2D->children->push_back( n );
                                }
                        }
                };
    friend class AddTheChildren;

                class H3DAPI_API RemoveTheChildren: public MFNode {
                public:

                        
                        virtual void onRemove( Node *n ) {
                                NurbsCurve2D *nurbs_curve_2D = 
                                        dynamic_cast< NurbsCurve2D * >( n );

                                ContourPolyline2D *contour_poly_line_2D = 
                                        dynamic_cast< ContourPolyline2D * >( n );

                                if( !nurbs_curve_2D && !contour_poly_line_2D ) {
                                        stringstream s;
                                        s << "Expecting NurbsCurve2D or ContourPolyline2D";
                                        throw InvalidNodeType( n->getTypeName(),
                                                s.str(),
                                                H3D_FULL_LOCATION );
                                }
                                else {
                                        Contour2D * contourNode2D = 
          static_cast< Contour2D * >( getOwner() );
                                        contourNode2D->children->erase( n );
                                }

                                MFNode::onRemove( n );
                        }
                };
    friend class RemoveTheChildren;

                class H3DAPI_API CheckTheChildren: public MFNode {
                public:

                        virtual void onAdd( Node *n ) {
                                MFNode::onAdd( n );
                                NurbsCurve2D *nurbs_curve_2D = 
                                        dynamic_cast< NurbsCurve2D * >( n );

                                ContourPolyline2D *contour_poly_line_2D = 
                                        dynamic_cast< ContourPolyline2D * >( n );

                                if( !nurbs_curve_2D && !contour_poly_line_2D ) {
                                        stringstream s;
                                        s << "Expecting NurbsCurve2D or ContourPolyline2D";
                                        throw InvalidNodeType( n->getTypeName(),
                                                s.str(),
                                                H3D_FULL_LOCATION );
                                }
                        }

                        virtual void onRemove( Node *n ) {
                                NurbsCurve2D *nurbs_curve_2D = 
                                        dynamic_cast< NurbsCurve2D * >( n );

                                ContourPolyline2D *contour_poly_line_2D = 
                                        dynamic_cast< ContourPolyline2D * >( n );

                                if( !nurbs_curve_2D && !contour_poly_line_2D ) {
                                        stringstream s;
                                        s << "Expecting NurbsCurve2D or ContourPolyline2D";
                                        throw InvalidNodeType( n->getTypeName(),
                                                s.str(),
                                                H3D_FULL_LOCATION );
                                }

                                MFNode::onRemove( n );
                        }
                };
    friend class CheckTheChildren;

                void renderTrimmedCurve( GLUnurbsObj *nurbs_object );

    Contour2D( Inst< SFNode >                                            _metadata                       = 0,
               Inst< AddTheChildren              > _addChildren          = 0,
               Inst< RemoveTheChildren > _removeChildren = 0,
               Inst< CheckTheChildren    > _children                     = 0 );

    auto_ptr< AddTheChildren >  addChildren;

    auto_ptr< RemoveTheChildren > removeChildren;

    auto_ptr< CheckTheChildren > children;

    static H3DNodeDatabase database;
  };
}

#endif

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