PostGIS  2.5.0dev-r@@SVN_REVISION@@

◆ lwpolygon_unstroke()

LWGEOM * lwpolygon_unstroke ( const LWPOLY poly)

Definition at line 1002 of file lwstroke.c.

References CIRCSTRINGTYPE, COMPOUNDTYPE, CURVEPOLYTYPE, lwalloc(), lwcollection_construct(), LWDEBUG, lwfree(), lwgeom_clone_deep(), LWPOLY::nrings, pta_unstroke(), LWPOLY::rings, LWPOLY::srid, and ovdump::type.

Referenced by lwgeom_unstroke(), and lwmpolygon_unstroke().

1003 {
1004  LWGEOM **geoms;
1005  uint32_t i, hascurve = 0;
1006 
1007  LWDEBUG(2, "lwpolygon_unstroke called.");
1008 
1009  geoms = lwalloc(sizeof(LWGEOM *)*poly->nrings);
1010  for (i=0; i<poly->nrings; i++)
1011  {
1012  geoms[i] = pta_unstroke(poly->rings[i], poly->srid);
1013  if (geoms[i]->type == CIRCSTRINGTYPE || geoms[i]->type == COMPOUNDTYPE)
1014  {
1015  hascurve = 1;
1016  }
1017  }
1018  if (hascurve == 0)
1019  {
1020  for (i=0; i<poly->nrings; i++)
1021  {
1022  lwfree(geoms[i]); /* TODO: should this be lwgeom_free instead ? */
1023  }
1024  return lwgeom_clone_deep((LWGEOM *)poly);
1025  }
1026 
1027  return (LWGEOM *)lwcollection_construct(CURVEPOLYTYPE, poly->srid, NULL, poly->nrings, geoms);
1028 }
LWGEOM * pta_unstroke(const POINTARRAY *points, int srid)
Definition: lwstroke.c:831
LWCOLLECTION * lwcollection_construct(uint8_t type, int srid, GBOX *bbox, uint32_t ngeoms, LWGEOM **geoms)
Definition: lwcollection.c:43
void lwfree(void *mem)
Definition: lwutil.c:244
#define CURVEPOLYTYPE
Definition: liblwgeom.h:93
#define COMPOUNDTYPE
Definition: liblwgeom.h:92
#define LWDEBUG(level, msg)
Definition: lwgeom_log.h:83
LWGEOM * lwgeom_clone_deep(const LWGEOM *lwgeom)
Deep clone an LWGEOM, everything is copied.
Definition: lwgeom.c:520
uint32_t nrings
Definition: liblwgeom.h:457
unsigned int uint32_t
Definition: uthash.h:78
POINTARRAY ** rings
Definition: liblwgeom.h:459
int32_t srid
Definition: liblwgeom.h:456
type
Definition: ovdump.py:41
#define CIRCSTRINGTYPE
Definition: liblwgeom.h:91
void * lwalloc(size_t size)
Definition: lwutil.c:229
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