PostGIS  2.3.7dev-r@@SVN_REVISION@@
static uint8_t* lwtriangle_to_wkb_buf ( const LWTRIANGLE tri,
uint8_t *  buf,
uint8_t  variant 
)
static

Definition at line 519 of file lwout_wkb.c.

References empty_to_wkb_buf(), endian_to_wkb_buf(), integer_to_wkb_buf(), lwgeom_is_empty(), lwgeom_wkb_needs_srid(), lwgeom_wkb_type(), LWTRIANGLE::points, ptarray_to_wkb_buf(), LWTRIANGLE::srid, and WKB_EXTENDED.

Referenced by lwgeom_to_wkb_buf().

520 {
521  /* Only process empty at this level in the EXTENDED case */
522  if ( (variant & WKB_EXTENDED) && lwgeom_is_empty((LWGEOM*)tri) )
523  return empty_to_wkb_buf((LWGEOM*)tri, buf, variant);
524 
525  /* Set the endian flag */
526  buf = endian_to_wkb_buf(buf, variant);
527 
528  /* Set the geometry type */
530 
531  /* Set the optional SRID for extended variant */
532  if ( lwgeom_wkb_needs_srid((LWGEOM*)tri, variant) )
533  buf = integer_to_wkb_buf(tri->srid, buf, variant);
534 
535  /* Set the number of rings (only one, it's a triangle, buddy) */
536  buf = integer_to_wkb_buf(1, buf, variant);
537 
538  /* Write that ring */
539  buf = ptarray_to_wkb_buf(tri->points, buf, variant);
540 
541  return buf;
542 }
static uint8_t * empty_to_wkb_buf(const LWGEOM *geom, uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:315
static int lwgeom_wkb_needs_srid(const LWGEOM *geom, uint8_t variant)
Definition: lwout_wkb.c:63
POINTARRAY * points
Definition: liblwgeom.h:432
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:82
static uint8_t * integer_to_wkb_buf(const int ival, uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:196
#define WKB_EXTENDED
Definition: liblwgeom.h:2048
static uint8_t * ptarray_to_wkb_buf(const POINTARRAY *pa, uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:371
static uint8_t * endian_to_wkb_buf(uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:164
int lwgeom_is_empty(const LWGEOM *geom)
Return true or false depending on whether a geometry is an "empty" geometry (no vertices members) ...
Definition: lwgeom.c:1310
int32_t srid
Definition: liblwgeom.h:431

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