PostGIS  2.2.7dev-r@@SVN_REVISION@@
static uint8_t* lwtriangle_to_wkb_buf ( const LWTRIANGLE tri,
uint8_t *  buf,
uint8_t  variant 
)
static

Definition at line 505 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().

506 {
507  /* Only process empty at this level in the EXTENDED case */
508  if ( (variant & WKB_EXTENDED) && lwgeom_is_empty((LWGEOM*)tri) )
509  return empty_to_wkb_buf((LWGEOM*)tri, buf, variant);
510 
511  /* Set the endian flag */
512  buf = endian_to_wkb_buf(buf, variant);
513 
514  /* Set the geometry type */
516 
517  /* Set the optional SRID for extended variant */
518  if ( lwgeom_wkb_needs_srid((LWGEOM*)tri, variant) )
519  buf = integer_to_wkb_buf(tri->srid, buf, variant);
520 
521  /* Set the number of rings (only one, it's a triangle, buddy) */
522  buf = integer_to_wkb_buf(1, buf, variant);
523 
524  /* Write that ring */
525  buf = ptarray_to_wkb_buf(tri->points, buf, variant);
526 
527  return buf;
528 }
static uint8_t * empty_to_wkb_buf(const LWGEOM *geom, uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:301
static int lwgeom_wkb_needs_srid(const LWGEOM *geom, uint8_t variant)
Definition: lwout_wkb.c:49
POINTARRAY * points
Definition: liblwgeom.h:417
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
static uint8_t * integer_to_wkb_buf(const int ival, uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:182
#define WKB_EXTENDED
Definition: liblwgeom.h:1932
static uint8_t * ptarray_to_wkb_buf(const POINTARRAY *pa, uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:357
static uint8_t * endian_to_wkb_buf(uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:150
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:1297
int32_t srid
Definition: liblwgeom.h:416

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