PostGIS  2.5.0beta2dev-r@@SVN_REVISION@@

◆ lwpolygon_unstroke()

LWGEOM * lwpolygon_unstroke ( const LWPOLY poly)

Definition at line 1047 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().

1048 {
1049  LWGEOM **geoms;
1050  uint32_t i, hascurve = 0;
1051 
1052  LWDEBUG(2, "lwpolygon_unstroke called.");
1053 
1054  geoms = lwalloc(sizeof(LWGEOM *)*poly->nrings);
1055  for (i=0; i<poly->nrings; i++)
1056  {
1057  geoms[i] = pta_unstroke(poly->rings[i], poly->srid);
1058  if (geoms[i]->type == CIRCSTRINGTYPE || geoms[i]->type == COMPOUNDTYPE)
1059  {
1060  hascurve = 1;
1061  }
1062  }
1063  if (hascurve == 0)
1064  {
1065  for (i=0; i<poly->nrings; i++)
1066  {
1067  lwfree(geoms[i]); /* TODO: should this be lwgeom_free instead ? */
1068  }
1069  return lwgeom_clone_deep((LWGEOM *)poly);
1070  }
1071 
1072  return (LWGEOM *)lwcollection_construct(CURVEPOLYTYPE, poly->srid, NULL, poly->nrings, geoms);
1073 }
LWGEOM * pta_unstroke(const POINTARRAY *points, int srid)
Definition: lwstroke.c:876
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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