IFilterRegion.hpp

#ifndef DM_IFILTER_REGION_HPP_INCLUDED
#define DM_IFILTER_REGION_HPP_INCLUDED

#include "DM/IFilter.hpp"

DM_NAMESPACE_BEGIN

class DM_API IFilterRegion : public IFilter
{
public:
  struct QueryOrAnalysis
  {
    enum Type
    {
      // Queries
      intersects,  // Result is valid if the 2 geometries intersect.
      MaxQuery = intersects,
      // Analyses
      intersection // replace the submitted geometry with the intersection of the 2 geometries. Result is valid if the intersection is non-empty.
    };
  };

  // Pass n>=2 2D vertices as an array of 2n coordinates.
  static IFilterRegion* New( const double *coordsXY, unsigned nCoordsXY, QueryOrAnalysis::Type queryOrAnalysis = QueryOrAnalysis::intersects );

};

typedef Handle< IFilterRegion > FilterRegionHandle;

DM_NAMESPACE_END

#endif // DM_IFILTER_REGION_HPP_INCLUDED