PostGIS 3.7.0dev-r@@SVN_REVISION@@
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◆ lwtriangle_to_wkb_buf()

static uint8_t * lwtriangle_to_wkb_buf ( const LWTRIANGLE tri,
uint8_t *  buf,
uint8_t  variant 
)
static

Definition at line 546 of file lwout_wkb.c.

547{
548 /* Only process empty at this level in the EXTENDED case */
549 if ( (variant & WKB_EXTENDED) && lwgeom_is_empty((LWGEOM*)tri) )
550 return empty_to_wkb_buf((LWGEOM*)tri, buf, variant);
551
552 /* Set the endian flag */
553 buf = endian_to_wkb_buf(buf, variant);
554
555 /* Set the geometry type */
557
558 /* Set the optional SRID for extended variant */
560 buf = integer_to_wkb_buf(tri->srid, buf, variant);
561
562 /* Set the number of rings (only one, it's a triangle, buddy) */
563 buf = integer_to_wkb_buf(1, buf, variant);
564
565 /* Write that ring */
566 buf = ptarray_to_wkb_buf(tri->points, buf, variant);
567
568 return buf;
569}
static uint8_t variant
Definition cu_in_twkb.c:26
#define WKB_EXTENDED
Definition liblwgeom.h:2212
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:199
static uint8_t * integer_to_wkb_buf(const uint32_t ival, uint8_t *buf, uint8_t variant)
Definition lwout_wkb.c:197
static int lwgeom_wkb_needs_srid(const LWGEOM *geom, uint8_t variant)
Definition lwout_wkb.c:64
static uint8_t * ptarray_to_wkb_buf(const POINTARRAY *pa, uint8_t *buf, uint8_t variant)
Definition lwout_wkb.c:398
static uint32_t lwgeom_wkb_type(const LWGEOM *geom, uint8_t variant)
Definition lwout_wkb.c:83
static uint8_t * endian_to_wkb_buf(uint8_t *buf, uint8_t variant)
Definition lwout_wkb.c:164
static uint8_t * empty_to_wkb_buf(const LWGEOM *geom, uint8_t *buf, uint8_t variant)
Definition lwout_wkb.c:344
int32_t srid
Definition liblwgeom.h:460

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, variant, and WKB_EXTENDED.

Referenced by lwgeom_to_wkb_buf().

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