/*
This file is part of SECONDO.

Copyright (C) 2011, University in Hagen, Department of Computer Science,
Database Systems for New Applications.

SECONDO 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.

SECONDO 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 SECONDO; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

#ifndef RASTER2_FROMLINE_H
#define RASTER2_FROMLINE_H

#include <NList.h>
#include <unordered_set>

#include "../sbool.h"
#include "../grid2.h"
#include "Algebras/Spatial/SpatialAlgebra.h"

namespace raster2 {
  void drawLine(sbool& sb, std::unordered_set<RasterIndex<2> >& regions,
                std::vector<RasterIndex<2> >& regionsOrdered,
          RasterIndex<2> from, RasterIndex<2> to, const bool keepOrder = false);
  
  ListExpr fromLineTypeMap(ListExpr args);
  int fromLineFun(Word* args, Word& result, int message, Word& local,
                  Supplier s);
  bool intersection(double x1, double y1, double x2, double y2, 
                    double bx1, double by1, double bx2, double by2);

  struct fromLineInfo : OperatorInfo {
    fromLineInfo() { 
      name      = "fromline";
      signature = Line::BasicType() + " fromline " + grid2::BasicType() + " -> "
                  + sbool::BasicType();
      syntax    = "fromline(_,_)";
      meaning   = "Creates sbool from line and grid";
    }
  };

}

#endif /* #define RASTER2_FROMLINE_H */