PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ gserialized1_from_lwline()

static size_t gserialized1_from_lwline ( const LWLINE line,
uint8_t *  buf 
)
static

Definition at line 776 of file gserialized1.c.

777 {
778  uint8_t *loc;
779  int ptsize;
780  size_t size;
781  int type = LINETYPE;
782 
783  assert(line);
784  assert(buf);
785 
786  LWDEBUGF(2, "%s (%p, %p) called", __func__, line, buf);
787 
788  if ( FLAGS_GET_Z(line->flags) != FLAGS_GET_Z(line->points->flags) )
789  lwerror("Dimensions mismatch in lwline");
790 
791  ptsize = ptarray_point_size(line->points);
792 
793  loc = buf;
794 
795  /* Write in the type. */
796  memcpy(loc, &type, sizeof(uint32_t));
797  loc += sizeof(uint32_t);
798 
799  /* Write in the npoints. */
800  memcpy(loc, &(line->points->npoints), sizeof(uint32_t));
801  loc += sizeof(uint32_t);
802 
803  LWDEBUGF(3, "%s added npoints (%d)", __func__, line->points->npoints);
804 
805  /* Copy in the ordinates. */
806  if ( line->points->npoints > 0 )
807  {
808  size = line->points->npoints * ptsize;
809  memcpy(loc, getPoint_internal(line->points, 0), size);
810  loc += size;
811  }
812  LWDEBUGF(3, "%s copied serialized_pointlist (%d bytes)", __func__, ptsize * line->points->npoints);
813 
814  return (size_t)(loc - buf);
815 }
#define LINETYPE
Definition: liblwgeom.h:117
#define FLAGS_GET_Z(flags)
Definition: liblwgeom.h:179
#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
lwflags_t flags
Definition: liblwgeom.h:471
POINTARRAY * points
Definition: liblwgeom.h:469
lwflags_t flags
Definition: liblwgeom.h:417
uint32_t npoints
Definition: liblwgeom.h:413

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 gserialized1_from_lwgeom_any().

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