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https://git.osgeo.org/gitea/postgis/postgis
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42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
/*****************************************************************
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* MEMORY MANAGEMENT
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****************************************************************/
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void *lwalloc(size_t size);
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void *lwrealloc(void *mem, size_t size);
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void lwfree(void *mem);
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/*****************************************************************
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* POINT
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****************************************************************/
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typedef struct { double x; double y; } POINT2D;
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typedef struct { double x; double y; double m; } POINT3DM;
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typedef struct { double x; double y; double z; } POINT3DZ;
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typedef struct { double x; double y; double z; double m; } POINT4D;
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/*****************************************************************
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* POINTARRAY
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****************************************************************/
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typedef struct POINTARRAY_T *POINTARRAY;
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// Constructs a POINTARRAY copying given 2d points
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POINTARRAY ptarray_construct2d(unsigned int npoints, const POINT2D *pts);
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/*****************************************************************
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* LWGEOM
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****************************************************************/
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typedef struct LWGEOM_T *LWGEOM;
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// Conversions
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extern char *lwgeom_to_wkt(LWGEOM lwgeom);
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// Construction
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extern LWGEOM lwpoint_construct(int SRID, char wantbbox, POINTARRAY pa);
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extern LWGEOM lwline_construct(int SRID, char wantbbox, POINTARRAY pa);
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// Spatial functions
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extern void lwgeom_reverse(LWGEOM lwgeom);
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extern void lwgeom_forceRHR(LWGEOM lwgeom);
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