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

static uint8_t * lwpoly_to_wkb_buf ( const LWPOLY poly,
uint8_t *  buf,
uint8_t  variant 
)
static

Definition at line 596 of file lwout_wkb.c.

597{
598 uint32_t i;
599
600 /* Only process empty at this level in the EXTENDED case */
601 if ( (variant & WKB_EXTENDED) && lwgeom_is_empty((LWGEOM*)poly) )
602 return empty_to_wkb_buf((LWGEOM*)poly, buf, variant);
603
604 /* Set the endian flag */
605 buf = endian_to_wkb_buf(buf, variant);
606 /* Set the geometry type */
608 /* Set the optional SRID for extended variant */
609 if ( lwgeom_wkb_needs_srid((LWGEOM*)poly, variant) )
610 buf = integer_to_wkb_buf(poly->srid, buf, variant);
611 /* Set the number of rings */
612 buf = integer_to_wkb_buf(poly->nrings, buf, variant);
613
614 for ( i = 0; i < poly->nrings; i++ )
615 {
616 buf = ptarray_to_wkb_buf(poly->rings[i], buf, variant);
617 }
618
619 return buf;
620}
static uint8_t variant
Definition cu_in_twkb.c:26
#define WKB_EXTENDED
Definition liblwgeom.h:2123
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 uint8_t * integer_to_wkb_buf(const uint32_t ival, uint8_t *buf, uint8_t variant)
Definition lwout_wkb.c:196
static int lwgeom_wkb_needs_srid(const LWGEOM *geom, uint8_t variant)
Definition lwout_wkb.c:63
static uint8_t * ptarray_to_wkb_buf(const POINTARRAY *pa, uint8_t *buf, uint8_t variant)
Definition lwout_wkb.c:397
static uint32_t lwgeom_wkb_type(const LWGEOM *geom, uint8_t variant)
Definition lwout_wkb.c:82
static uint8_t * endian_to_wkb_buf(uint8_t *buf, uint8_t variant)
Definition lwout_wkb.c:163
static uint8_t * empty_to_wkb_buf(const LWGEOM *geom, uint8_t *buf, uint8_t variant)
Definition lwout_wkb.c:343
int32_t srid
Definition liblwgeom.h:446

References empty_to_wkb_buf(), endian_to_wkb_buf(), integer_to_wkb_buf(), lwgeom_is_empty(), lwgeom_wkb_needs_srid(), lwgeom_wkb_type(), LWPOLY::nrings, ptarray_to_wkb_buf(), LWPOLY::rings, LWPOLY::srid, variant, and WKB_EXTENDED.

Referenced by lwgeom_to_wkb_buf().

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