PostGIS  2.5.2dev-r@@SVN_REVISION@@

◆ lwpoly_to_wkt_sb()

static void lwpoly_to_wkt_sb ( const LWPOLY poly,
stringbuffer_t sb,
int  precision,
uint8_t  variant 
)
static

Definition at line 175 of file lwout_wkt.c.

References dimension_qualifiers_to_wkt_sb(), empty_to_wkt_sb(), lwpoly_is_empty(), LWPOLY::nrings, ptarray_to_wkt_sb(), LWPOLY::rings, stringbuffer_append(), and WKT_NO_TYPE.

Referenced by lwgeom_to_wkt_sb(), lwmpoly_to_wkt_sb(), lwmsurface_to_wkt_sb(), and lwpsurface_to_wkt_sb().

176 {
177  uint32_t i = 0;
178  if ( ! (variant & WKT_NO_TYPE) )
179  {
180  stringbuffer_append(sb, "POLYGON"); /* "POLYGON" */
182  }
183  if ( lwpoly_is_empty(poly) )
184  {
185  empty_to_wkt_sb(sb);
186  return;
187  }
188 
189  stringbuffer_append(sb, "(");
190  for ( i = 0; i < poly->nrings; i++ )
191  {
192  if ( i > 0 )
193  stringbuffer_append(sb, ",");
194  ptarray_to_wkt_sb(poly->rings[i], sb, precision, variant);
195  }
196  stringbuffer_append(sb, ")");
197 }
uint8_t variant
Definition: cu_in_twkb.c:26
static void dimension_qualifiers_to_wkt_sb(const LWGEOM *geom, stringbuffer_t *sb, uint8_t variant)
Definition: lwout_wkt.c:39
uint32_t nrings
Definition: liblwgeom.h:457
unsigned int uint32_t
Definition: uthash.h:78
POINTARRAY ** rings
Definition: liblwgeom.h:459
uint8_t precision
Definition: cu_in_twkb.c:25
#define WKT_NO_TYPE
Well-Known Text (WKT) Output Variant Types.
int lwpoly_is_empty(const LWPOLY *poly)
Definition: lwpoly.c:418
static void ptarray_to_wkt_sb(const POINTARRAY *ptarray, stringbuffer_t *sb, int precision, uint8_t variant)
Definition: lwout_wkt.c:83
static void empty_to_wkt_sb(stringbuffer_t *sb)
Definition: lwout_wkt.c:69
void stringbuffer_append(stringbuffer_t *s, const char *a)
Append the specified string to the stringbuffer_t.
Definition: stringbuffer.c:134
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