encode_poly()

static void encode_poly ( mvt_agg_context *  ctx, LWPOLY *  lwpoly  )

static

Definition at line 229 of file mvt.c.

{
        uint32_t i;
        int32_t px = 0, py = 0;
        size_t c = 0, offset = 0;
        VectorTile__Tile__Feature *feature = ctx->feature;
        feature->type = VECTOR_TILE__TILE__GEOM_TYPE__POLYGON;
        feature->has_type = 1;
        for (i = 0; i < lwpoly->nrings; i++)
                c += 3 + ((lwpoly->rings[i]->npoints - 1) * 2);
        feature->geometry = palloc(sizeof(*feature->geometry) * c);
        for (i = 0; i < lwpoly->nrings; i++)
                offset += encode_ptarray(ctx, MVT_RING,
                        lwpoly->rings[i],
                        feature->geometry + offset, &px, &py);
        feature->n_geometry = offset;
}

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

Referenced by encode_geometry().

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