#ifndef SQL_GIS_SIMPLIFY_H_INCLUDED
#define SQL_GIS_SIMPLIFY_H_INCLUDED

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/// @file
///
/// This file declares the interface to simplify a geometry.

#include <memory>  // std::unique_ptr

#include "sql/dd/types/spatial_reference_system.h"  // dd::Spatial_reference_system
#include "sql/gis/geometries.h"

namespace gis {

/// Simplifies a geometry using the Douglas-Peucker algorithm.
///
/// @param[in] srs The spatial reference system, common to both geometries.
/// @param[in] g The geometry.
/// @param[in] max_distance Cut-off distance (in coordinate units) of the
/// Douglas-Peucker algorithm.
/// @param[in] func_name Function name used in error reporting.
/// @param[out] result The simplified geometry.
///
/// @retval false Success.
/// @retval true An error has occurred. The error has been reported with
/// my_error().
bool simplify(const dd::Spatial_reference_system *srs, const Geometry &g,
              double max_distance, const char *func_name,
              std::unique_ptr<Geometry> *result) noexcept;

}  // namespace gis

#endif  // SQL_GIS_SIMPLIFY_H_INCLUDED
