encode_mline()

static Data__Geometry* encode_mline ( struct geobuf_agg_context *  ctx, LWMLINE *  lwmline  )

static

Definition at line 262 of file geobuf.c.

References geobuf_agg_context::dimensions, encode_coords(), galloc(), LWMLINE::geoms, LWMLINE::ngeoms, POINTARRAY::npoints, and LWLINE::points.

Referenced by encode_geometry().

{
        int i, offset, ngeoms;
        POINTARRAY *pa;
        Data__Geometry *geometry;
        uint32_t *lengths;
        int64_t *coords = NULL;

        geometry = galloc(DATA__GEOMETRY__TYPE__MULTILINESTRING);

        ngeoms = lwmline->ngeoms;

        if (ngeoms == 0)
                return geometry;

        lengths = palloc (sizeof (uint32_t) * ngeoms);

        offset = 0;
        for (i = 0; i < ngeoms; i++) {
                pa = lwmline->geoms[i]->points;
                coords = encode_coords(ctx, pa, coords, pa->npoints, offset);
                offset += pa->npoints * ctx->dimensions;
                lengths[i] = pa->npoints;
        }

        if (ngeoms > 1) {
                geometry->n_lengths = ngeoms;
                geometry->lengths = lengths;
        }

        geometry->n_coords = offset;
        geometry->coords = coords;

        return geometry;
}

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