PostGIS  3.7.0dev-r@@SVN_REVISION@@

◆ gserialized2_from_lwpoint()

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

Definition at line 804 of file gserialized2.c.

805 {
806  uint8_t *loc;
807  int ptsize = ptarray_point_size(point->point);
808  int type = POINTTYPE;
809 
810  assert(point);
811  assert(buf);
812 
813  if (FLAGS_GET_ZM(point->flags) != FLAGS_GET_ZM(point->point->flags))
814  lwerror("Dimensions mismatch in lwpoint");
815 
816  LWDEBUGF(2, "%s (%p, %p) called", __func__, point, buf);
817 
818  loc = buf;
819 
820  /* Write in the type. */
821  memcpy(loc, &type, sizeof(uint32_t));
822  loc += sizeof(uint32_t);
823  /* Write in the number of points (0 => empty). */
824  memcpy(loc, &(point->point->npoints), sizeof(uint32_t));
825  loc += sizeof(uint32_t);
826 
827  /* Copy in the ordinates. */
828  if (point->point->npoints > 0)
829  {
830  memcpy(loc, getPoint_internal(point->point, 0), ptsize);
831  loc += ptsize;
832  }
833 
834  return (size_t)(loc - buf);
835 }
#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:106
void void lwerror(const char *fmt,...) __attribute__((format(printf
Write a notice out to the error handler.
static size_t ptarray_point_size(const POINTARRAY *pa)
Definition: lwinline.h:56
static uint8_t * getPoint_internal(const POINTARRAY *pa, uint32_t n)
Definition: lwinline.h:75
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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