PostGIS  2.5.0dev-r@@SVN_REVISION@@

◆ encode_poly()

static void encode_poly ( mvt_agg_context ctx,
LWPOLY lwpoly 
)
static

Definition at line 215 of file mvt.c.

References encode_ptarray(), mvt_agg_context::feature, MVT_RING, POINTARRAY::npoints, LWPOLY::nrings, and LWPOLY::rings.

Referenced by encode_geometry().

216 {
217  uint32_t i;
218  int32_t px = 0, py = 0;
219  size_t c = 0, offset = 0;
220  VectorTile__Tile__Feature *feature = ctx->feature;
221  feature->type = VECTOR_TILE__TILE__GEOM_TYPE__POLYGON;
222  feature->has_type = 1;
223  for (i = 0; i < lwpoly->nrings; i++)
224  c += 3 + ((lwpoly->rings[i]->npoints - 1) * 2);
225  feature->geometry = palloc(sizeof(*feature->geometry) * c);
226  for (i = 0; i < lwpoly->nrings; i++)
227  offset += encode_ptarray(ctx, MVT_RING,
228  lwpoly->rings[i],
229  feature->geometry + offset, &px, &py);
230  feature->n_geometry = offset;
231 }
uint32_t nrings
Definition: liblwgeom.h:457
unsigned int uint32_t
Definition: uthash.h:78
Definition: mvt.c:51
POINTARRAY ** rings
Definition: liblwgeom.h:459
VectorTile__Tile__Feature * feature
Definition: mvt.h:55
uint32_t npoints
Definition: liblwgeom.h:373
static uint32_t encode_ptarray(__attribute__((__unused__)) mvt_agg_context *ctx, enum mvt_type type, POINTARRAY *pa, uint32_t *buffer, int32_t *px, int32_t *py)
Definition: mvt.c:106
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