PostGIS  2.2.7dev-r@@SVN_REVISION@@
LWPOLY* lwpoly_clone_deep ( const LWPOLY lwgeom)

Definition at line 135 of file lwpoly.c.

References LWPOLY::bbox, LWPOLY::flags, FLAGS_SET_READONLY, gbox_copy(), lwalloc(), LWPOLY::nrings, ptarray_clone_deep(), and LWPOLY::rings.

Referenced by lwgeom_clone_deep().

136 {
137  int i;
138  LWPOLY *ret = lwalloc(sizeof(LWPOLY));
139  memcpy(ret, g, sizeof(LWPOLY));
140  if ( g->bbox ) ret->bbox = gbox_copy(g->bbox);
141  ret->rings = lwalloc(sizeof(POINTARRAY *)*g->nrings);
142  for ( i = 0; i < ret->nrings; i++ )
143  {
144  ret->rings[i] = ptarray_clone_deep(g->rings[i]);
145  }
146  FLAGS_SET_READONLY(ret->flags,0);
147  return ret;
148 }
GBOX * gbox_copy(const GBOX *box)
Return a copy of the GBOX, based on dimensionality of flags.
Definition: g_box.c:403
GBOX * bbox
Definition: liblwgeom.h:437
POINTARRAY ** rings
Definition: liblwgeom.h:441
POINTARRAY * ptarray_clone_deep(const POINTARRAY *ptarray)
Deep clone a pointarray (also clones serialized pointlist)
Definition: ptarray.c:634
int nrings
Definition: liblwgeom.h:439
uint8_t flags
Definition: liblwgeom.h:436
void * lwalloc(size_t size)
Definition: lwutil.c:199
#define FLAGS_SET_READONLY(flags, value)
Definition: liblwgeom.h:134

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