ogrgeojsongeometry.h

// SPDX-License-Identifier: MIT
// Copyright 2007, Mateusz Loskot
// Copyright 2008-2024, Even Rouault <even.rouault at spatialys.com>
 
#ifndef OGRGEOJSONGEOMETRY_H_INCLUDED
#define OGRGEOJSONGEOMETRY_H_INCLUDED

 
#include "cpl_port.h"
#include "cpl_json_header.h"
 
#include "ogr_api.h"
#include "ogr_geometry.h"
 
/************************************************************************/
/*                           GeoJSONObject                              */
/************************************************************************/
 
struct GeoJSONObject
{
    enum Type
    {
        eUnknown = wkbUnknown,  // non-GeoJSON properties
        ePoint = wkbPoint,
        eLineString = wkbLineString,
        ePolygon = wkbPolygon,
        eMultiPoint = wkbMultiPoint,
        eMultiLineString = wkbMultiLineString,
        eMultiPolygon = wkbMultiPolygon,
        eGeometryCollection = wkbGeometryCollection,
        eCircularString = wkbCircularString,  // JSON-FG extension
        eCompoundCurve = wkbCompoundCurve,    // JSON-FG extension
        eCurvePolygon = wkbCurvePolygon,      // JSON-FG extension
        eMultiCurve = wkbMultiCurve,          // JSON-FG extension
        eMultiSurface = wkbMultiSurface,      // JSON-FG extension
        eFeature,
        eFeatureCollection
    };
 
    enum CoordinateDimension
    {
        eMinCoordinateDimension = 2,
        eMaxCoordinateDimensionGeoJSON = 3,
        eMaxCoordinateDimensionJSONFG = 4,
    };
};
 
/************************************************************************/
/*                 GeoJSON Geometry Translators                         */
/************************************************************************/
 
GeoJSONObject::Type CPL_DLL OGRGeoJSONGetType(json_object *poObj);
 
bool CPL_DLL OGRJSONFGHasMeasure(json_object *poObj, bool bUpperLevelMValue);
 
OGRwkbGeometryType CPL_DLL OGRGeoJSONGetOGRGeometryType(json_object *poObj,
                                                        bool bHasM);
 
std::unique_ptr<OGRGeometry>
    CPL_DLL OGRGeoJSONReadGeometry(json_object *poObj, bool bHasM,
                                   const OGRSpatialReference *poParentSRS);
 
OGRSpatialReference CPL_DLL *OGRGeoJSONReadSpatialReference(json_object *poObj);
 
std::unique_ptr<OGRPolygon> OGRGeoJSONReadPolygon(json_object *poObj,
                                                  bool bHasM, bool bRaw);
 
const char *OGRGeoJSONGetGeometryName(OGRGeometry const *poGeometry);

 
#endif