PostGIS 3.0.6dev-r@@SVN_REVISION@@
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◆ lwtriangle_to_wkb_size()

static size_t lwtriangle_to_wkb_size ( const LWTRIANGLE tri,
uint8_t  variant 
)
static

Definition at line 526 of file lwout_wkb.c.

527{
528 /* endian flag + type number + number of rings */
529 size_t size = WKB_BYTE_SIZE + WKB_INT_SIZE + WKB_INT_SIZE;
530
531 /* Only process empty at this level in the EXTENDED case */
532 if ( (variant & WKB_EXTENDED) && lwgeom_is_empty((LWGEOM*)tri) )
533 return empty_to_wkb_size((LWGEOM*)tri, variant);
534
535 /* Extended WKB needs space for optional SRID integer */
537 size += WKB_INT_SIZE;
538
539 /* How big is this point array? */
540 size += ptarray_to_wkb_size(tri->points, variant);
541
542 return size;
543}
static uint8_t variant
Definition cu_in_twkb.c:26
#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(), LWTRIANGLE::points, ptarray_to_wkb_size(), variant, WKB_BYTE_SIZE, WKB_EXTENDED, and WKB_INT_SIZE.

Referenced by lwgeom_to_wkb_size().

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