PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ lwpoint_to_wkb_size()

static size_t lwpoint_to_wkb_size ( const LWPOINT pt,
uint8_t  variant 
)
static

Definition at line 441 of file lwout_wkb.c.

442 {
443  /* Endian flag + type number */
444  size_t size = WKB_BYTE_SIZE + WKB_INT_SIZE;
445 
446  /* Only process empty at this level in the EXTENDED case */
447  if ( (variant & WKB_EXTENDED) && lwgeom_is_empty((LWGEOM*)pt) )
448  return empty_to_wkb_size((LWGEOM*)pt, variant);
449 
450  /* Extended WKB needs space for optional SRID integer */
451  if ( lwgeom_wkb_needs_srid((LWGEOM*)pt, variant) )
452  size += WKB_INT_SIZE;
453 
454  /* Points */
455  size += ptarray_to_wkb_size(pt->point, variant | WKB_NO_NPOINTS);
456  return size;
457 }
static uint8_t variant
Definition: cu_in_twkb.c:26
#define WKB_NO_NPOINTS
Definition: liblwgeom.h:2127
#define WKB_EXTENDED
Definition: liblwgeom.h:2123
#define WKB_BYTE_SIZE
#define WKB_INT_SIZE
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:193
static int lwgeom_wkb_needs_srid(const LWGEOM *geom, uint8_t variant)
Definition: lwout_wkb.c:63
static size_t ptarray_to_wkb_size(const POINTARRAY *pa, uint8_t variant)
Definition: lwout_wkb.c:379
static size_t empty_to_wkb_size(const LWGEOM *geom, uint8_t variant)
Definition: lwout_wkb.c:319

References empty_to_wkb_size(), lwgeom_is_empty(), lwgeom_wkb_needs_srid(), LWPOINT::point, ptarray_to_wkb_size(), variant, WKB_BYTE_SIZE, WKB_EXTENDED, WKB_INT_SIZE, and WKB_NO_NPOINTS.

Referenced by lwgeom_to_wkb_size().

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