PostGIS  3.7.0dev-r@@SVN_REVISION@@

◆ gserialized2_from_lwline()

static size_t gserialized2_from_lwline ( const LWLINE line,
uint8_t *  buf 
)
static

Definition at line 837 of file gserialized2.c.

838 {
839  uint8_t *loc;
840  int ptsize;
841  size_t size;
842  int type = LINETYPE;
843 
844  assert(line);
845  assert(buf);
846 
847  LWDEBUGF(2, "%s (%p, %p) called", __func__, line, buf);
848 
849  if (FLAGS_GET_Z(line->flags) != FLAGS_GET_Z(line->points->flags))
850  lwerror("Dimensions mismatch in lwline");
851 
852  ptsize = ptarray_point_size(line->points);
853 
854  loc = buf;
855 
856  /* Write in the type. */
857  memcpy(loc, &type, sizeof(uint32_t));
858  loc += sizeof(uint32_t);
859 
860  /* Write in the npoints. */
861  memcpy(loc, &(line->points->npoints), sizeof(uint32_t));
862  loc += sizeof(uint32_t);
863 
864  LWDEBUGF(3, "%s added npoints (%d)", __func__, line->points->npoints);
865 
866  /* Copy in the ordinates. */
867  if (line->points->npoints > 0)
868  {
869  size = (size_t)line->points->npoints * ptsize;
870  memcpy(loc, getPoint_internal(line->points, 0), size);
871  loc += size;
872  }
873  LWDEBUGF(3, "%s copied serialized_pointlist (%d bytes)", __func__, ptsize * line->points->npoints);
874 
875  return (size_t)(loc - buf);
876 }
#define LINETYPE
Definition: liblwgeom.h:103
#define FLAGS_GET_Z(flags)
Definition: liblwgeom.h:165
#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
lwflags_t flags
Definition: liblwgeom.h:485
POINTARRAY * points
Definition: liblwgeom.h:483
lwflags_t flags
Definition: liblwgeom.h:431
uint32_t npoints
Definition: liblwgeom.h:427

References POINTARRAY::flags, LWLINE::flags, FLAGS_GET_Z, getPoint_internal(), LINETYPE, LWDEBUGF, lwerror(), POINTARRAY::npoints, LWLINE::points, ptarray_point_size(), and ovdump::type.

Referenced by gserialized2_from_lwgeom_any().

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