PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ gserialized2_from_lwpoint()

static size_t gserialized2_from_lwpoint ( const LWPOINT point,
uint8_t *  buf 
)
static

Definition at line 803 of file gserialized2.c.

804 {
805  uint8_t *loc;
806  int ptsize = ptarray_point_size(point->point);
807  int type = POINTTYPE;
808 
809  assert(point);
810  assert(buf);
811 
812  if (FLAGS_GET_ZM(point->flags) != FLAGS_GET_ZM(point->point->flags))
813  lwerror("Dimensions mismatch in lwpoint");
814 
815  LWDEBUGF(2, "%s (%p, %p) called", __func__, point, buf);
816 
817  loc = buf;
818 
819  /* Write in the type. */
820  memcpy(loc, &type, sizeof(uint32_t));
821  loc += sizeof(uint32_t);
822  /* Write in the number of points (0 => empty). */
823  memcpy(loc, &(point->point->npoints), sizeof(uint32_t));
824  loc += sizeof(uint32_t);
825 
826  /* Copy in the ordinates. */
827  if (point->point->npoints > 0)
828  {
829  memcpy(loc, getPoint_internal(point->point, 0), ptsize);
830  loc += ptsize;
831  }
832 
833  return (size_t)(loc - buf);
834 }
#define POINTTYPE
LWTYPE numbers, used internally by PostGIS.
Definition: liblwgeom.h:102
#define FLAGS_GET_ZM(flags)
Definition: liblwgeom.h:180
#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:58
static uint8_t * getPoint_internal(const POINTARRAY *pa, uint32_t n)
Definition: lwinline.h:77
type
Definition: ovdump.py:42
POINTARRAY * point
Definition: liblwgeom.h:471
lwflags_t flags
Definition: liblwgeom.h:473
lwflags_t flags
Definition: liblwgeom.h:431
uint32_t npoints
Definition: liblwgeom.h:427

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 gserialized2_from_lwgeom_any().

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