PostGIS  2.2.8dev-r@@SVN_REVISION@@

◆ lwcollection_to_wkb_buf()

static uint8_t* lwcollection_to_wkb_buf ( const LWCOLLECTION col,
uint8_t *  buf,
uint8_t  variant 
)
static

Definition at line 607 of file lwout_wkb.c.

References endian_to_wkb_buf(), integer_to_wkb_buf(), lwgeom_to_wkb_buf(), lwgeom_wkb_needs_srid(), lwgeom_wkb_type(), LWGEOM::srid, and WKB_NO_SRID.

Referenced by lwgeom_to_wkb_buf().

608 {
609  int i;
610 
611  /* Set the endian flag */
612  buf = endian_to_wkb_buf(buf, variant);
613  /* Set the geometry type */
615  /* Set the optional SRID for extended variant */
616  if ( lwgeom_wkb_needs_srid((LWGEOM*)col, variant) )
617  buf = integer_to_wkb_buf(col->srid, buf, variant);
618  /* Set the number of sub-geometries */
619  buf = integer_to_wkb_buf(col->ngeoms, buf, variant);
620 
621  /* Write the sub-geometries. Sub-geometries do not get SRIDs, they
622  inherit from their parents. */
623  for ( i = 0; i < col->ngeoms; i++ )
624  {
625  buf = lwgeom_to_wkb_buf(col->geoms[i], buf, variant | WKB_NO_SRID);
626  }
627 
628  return buf;
629 }
static int lwgeom_wkb_needs_srid(const LWGEOM *geom, uint8_t variant)
Definition: lwout_wkb.c:49
uint8_t variant
Definition: cu_in_twkb.c:26
static uint32_t lwgeom_wkb_type(const LWGEOM *geom, uint8_t variant)
Definition: lwout_wkb.c:68
int32_t srid
Definition: liblwgeom.h:383
static uint8_t * integer_to_wkb_buf(const int ival, uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:182
static uint8_t * lwgeom_to_wkb_buf(const LWGEOM *geom, uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:693
#define WKB_NO_SRID
Definition: liblwgeom.h:1937
static uint8_t * endian_to_wkb_buf(uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:150
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