PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ lwpoint_to_wkb_buf()

static uint8_t* lwpoint_to_wkb_buf ( const LWPOINT pt,
uint8_t *  buf,
uint8_t  variant 
)
static

Definition at line 460 of file lwout_wkb.c.

461 {
462  /* Only process empty at this level in the EXTENDED case */
463  if ( (variant & WKB_EXTENDED) && lwgeom_is_empty((LWGEOM*)pt) )
464  return empty_to_wkb_buf((LWGEOM*)pt, buf, variant);
465 
466  /* Set the endian flag */
467  LWDEBUGF(4, "Entering function, buf = %p", buf);
468  buf = endian_to_wkb_buf(buf, variant);
469  LWDEBUGF(4, "Endian set, buf = %p", buf);
470  /* Set the geometry type */
472  LWDEBUGF(4, "Type set, buf = %p", buf);
473  /* Set the optional SRID for extended variant */
474  if ( lwgeom_wkb_needs_srid((LWGEOM*)pt, variant) )
475  {
476  buf = integer_to_wkb_buf(pt->srid, buf, variant);
477  LWDEBUGF(4, "SRID set, buf = %p", buf);
478  }
479  /* Set the coordinates */
480  buf = ptarray_to_wkb_buf(pt->point, buf, variant | WKB_NO_NPOINTS);
481  LWDEBUGF(4, "Pointarray set, buf = %p", buf);
482  return buf;
483 }
static uint8_t variant
Definition: cu_in_twkb.c:26
#define WKB_NO_NPOINTS
Definition: liblwgeom.h:2181
#define WKB_EXTENDED
Definition: liblwgeom.h:2177
#define LWDEBUGF(level, msg,...)
Definition: lwgeom_log.h:88
static int lwgeom_is_empty(const LWGEOM *geom)
Return true or false depending on whether a geometry is an "empty" geometry (no vertices members)
Definition: lwinline.h:203
static uint8_t * ptarray_to_wkb_buf(const POINTARRAY *pa, uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:398
static int lwgeom_wkb_needs_srid(const LWGEOM *geom, uint8_t variant)
Definition: lwout_wkb.c:64
static uint8_t * endian_to_wkb_buf(uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:164
static uint32_t lwgeom_wkb_type(const LWGEOM *geom, uint8_t variant)
Definition: lwout_wkb.c:83
static uint8_t * empty_to_wkb_buf(const LWGEOM *geom, uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:344
static uint8_t * integer_to_wkb_buf(const uint32_t ival, uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:197
int32_t srid
Definition: liblwgeom.h:460

References empty_to_wkb_buf(), endian_to_wkb_buf(), integer_to_wkb_buf(), LWDEBUGF, lwgeom_is_empty(), lwgeom_wkb_needs_srid(), lwgeom_wkb_type(), LWPOINT::point, ptarray_to_wkb_buf(), LWPOINT::srid, variant, WKB_EXTENDED, and WKB_NO_NPOINTS.

Referenced by lwgeom_to_wkb_buf().

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