PostGIS 3.0.6dev-r@@SVN_REVISION@@
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◆ gserialized1_from_lwpoly_size()

static size_t gserialized1_from_lwpoly_size ( const LWPOLY poly)
static

Definition at line 629 of file gserialized1.c.

630{
631 size_t size = 4; /* Type number. */
632 uint32_t i = 0;
633
634 assert(poly);
635
636 size += 4; /* Number of rings (zero => empty). */
637 if ( poly->nrings % 2 )
638 size += 4; /* Padding to double alignment. */
639
640 for ( i = 0; i < poly->nrings; i++ )
641 {
642 size += 4; /* Number of points in ring. */
643 size += poly->rings[i]->npoints * FLAGS_NDIMS(poly->flags) * sizeof(double);
644 }
645
646 LWDEBUGF(3, "polygon size = %d", size);
647
648 return size;
649}
#define FLAGS_NDIMS(flags)
Definition liblwgeom.h:193
#define LWDEBUGF(level, msg,...)
Definition lwgeom_log.h:88
POINTARRAY ** rings
Definition liblwgeom.h:505
uint32_t nrings
Definition liblwgeom.h:510
lwflags_t flags
Definition liblwgeom.h:507
uint32_t npoints
Definition liblwgeom.h:413

References LWPOLY::flags, FLAGS_NDIMS, LWDEBUGF, POINTARRAY::npoints, LWPOLY::nrings, and LWPOLY::rings.

Referenced by gserialized1_from_any_size().

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