/*
 *  OpenSCAD (www.openscad.org)
 *  Copyright (C) 2009-2011 Clifford Wolf <clifford@clifford.at> and
 *                          Marius Kintel <marius@kintel.net>
 *
 *  This program 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.
 *
 *  As a special exception, you have permission to link this program
 *  with the CGAL library and distribute executables, as long as you
 *  follow the requirements of the GNU GPL in regard to all of the
 *  software in the executable aside from CGAL.
 *
 *  This program 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 this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include "dxfdata.h"
#include "Polygon2d.h"
#include "grid.h"
#include "CGAL_Nef_polyhedron.h"
#include "cgal.h"
#include "cgalutils.h"
#include <boost/variant.hpp>
#include "polyset.h"
#include "Tree.h"

#ifdef ENABLE_CGAL

std::string CGAL_Nef_polyhedron::dump() const
{
	return OpenSCAD::dump_svg( *this->p3 );
}


void CGAL_Nef_polyhedron::transform( const Transform3d &matrix )
{
	if (!this->isEmpty()) {
		if (matrix.matrix().determinant() == 0) {
			PRINT("Warning: Scaling a 3D object with 0 - removing object");
			this->reset();
		}
		else {
			CGAL_Aff_transformation t(
				matrix(0,0), matrix(0,1), matrix(0,2), matrix(0,3),
				matrix(1,0), matrix(1,1), matrix(1,2), matrix(1,3),
				matrix(2,0), matrix(2,1), matrix(2,2), matrix(2,3), matrix(3,3));
			this->p3->transform(t);
		}
	}
}

#endif // ENABLE_CGAL
