PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ gserialized1_from_lwpoint()

static size_t gserialized1_from_lwpoint ( const LWPOINT point,
uint8_t *  buf 
)
static

Definition at line 743 of file gserialized1.c.

744 {
745  uint8_t *loc;
746  int ptsize = ptarray_point_size(point->point);
747  int type = POINTTYPE;
748 
749  assert(point);
750  assert(buf);
751 
752  if ( FLAGS_GET_ZM(point->flags) != FLAGS_GET_ZM(point->point->flags) )
753  lwerror("Dimensions mismatch in lwpoint");
754 
755  LWDEBUGF(2, "%s (%p, %p) called", __func__, point, buf);
756 
757  loc = buf;
758 
759  /* Write in the type. */
760  memcpy(loc, &type, sizeof(uint32_t));
761  loc += sizeof(uint32_t);
762  /* Write in the number of points (0 => empty). */
763  memcpy(loc, &(point->point->npoints), sizeof(uint32_t));
764  loc += sizeof(uint32_t);
765 
766  /* Copy in the ordinates. */
767  if ( point->point->npoints > 0 )
768  {
769  memcpy(loc, getPoint_internal(point->point, 0), ptsize);
770  loc += ptsize;
771  }
772 
773  return (size_t)(loc - buf);
774 }
#define POINTTYPE
LWTYPE numbers, used internally by PostGIS.
Definition: liblwgeom.h:116
#define FLAGS_GET_ZM(flags)
Definition: liblwgeom.h:194
#define LWDEBUGF(level, msg,...)
Definition: lwgeom_log.h:88
void lwerror(const char *fmt,...)
Write a notice out to the error handler.
Definition: lwutil.c:190
static size_t ptarray_point_size(const POINTARRAY *pa)
Definition: lwinline.h:48
static uint8_t * getPoint_internal(const POINTARRAY *pa, uint32_t n)
Definition: lwinline.h:67
type
Definition: ovdump.py:42
POINTARRAY * point
Definition: liblwgeom.h:457
lwflags_t flags
Definition: liblwgeom.h:459
lwflags_t flags
Definition: liblwgeom.h:417
uint32_t npoints
Definition: liblwgeom.h:413

References POINTARRAY::flags, LWPOINT::flags, FLAGS_GET_ZM, getPoint_internal(), LWDEBUGF, lwerror(), POINTARRAY::npoints, LWPOINT::point, POINTTYPE, ptarray_point_size(), and ovdump::type.

Referenced by gserialized1_from_lwgeom_any().

Here is the call graph for this function:
Here is the caller graph for this function: