PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ gserialized2_from_lwpoint()

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

Definition at line 801 of file gserialized2.c.

802 {
803  uint8_t *loc;
804  int ptsize = ptarray_point_size(point->point);
805  int type = POINTTYPE;
806 
807  assert(point);
808  assert(buf);
809 
810  if (FLAGS_GET_ZM(point->flags) != FLAGS_GET_ZM(point->point->flags))
811  lwerror("Dimensions mismatch in lwpoint");
812 
813  LWDEBUGF(2, "%s (%p, %p) called", __func__, point, buf);
814 
815  loc = buf;
816 
817  /* Write in the type. */
818  memcpy(loc, &type, sizeof(uint32_t));
819  loc += sizeof(uint32_t);
820  /* Write in the number of points (0 => empty). */
821  memcpy(loc, &(point->point->npoints), sizeof(uint32_t));
822  loc += sizeof(uint32_t);
823 
824  /* Copy in the ordinates. */
825  if (point->point->npoints > 0)
826  {
827  memcpy(loc, getPoint_internal(point->point, 0), ptsize);
828  loc += ptsize;
829  }
830 
831  return (size_t)(loc - buf);
832 }
#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 gserialized2_from_lwgeom_any().

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