lwcollection_to_wkb_buf()

static uint8_t* lwcollection_to_wkb_buf ( const LWCOLLECTION *  col, uint8_t *  buf, uint8_t  variant  )

static

Definition at line 621 of file lwout_wkb.c.

References endian_to_wkb_buf(), integer_to_wkb_buf(), lwgeom_to_wkb_buf(), lwgeom_wkb_needs_srid(), lwgeom_wkb_type(), LWGEOM::srid, and WKB_NO_SRID.

Referenced by lwgeom_to_wkb_buf().

{
        int i;

        /* Set the endian flag */
        buf = endian_to_wkb_buf(buf, variant);
        /* Set the geometry type */
        buf = integer_to_wkb_buf(lwgeom_wkb_type((LWGEOM*)col, variant), buf, variant);
        /* Set the optional SRID for extended variant */
        if ( lwgeom_wkb_needs_srid((LWGEOM*)col, variant) )
                buf = integer_to_wkb_buf(col->srid, buf, variant);
        /* Set the number of sub-geometries */
        buf = integer_to_wkb_buf(col->ngeoms, buf, variant);

        /* Write the sub-geometries. Sub-geometries do not get SRIDs, they
           inherit from their parents. */
        for ( i = 0; i < col->ngeoms; i++ )
        {
                buf = lwgeom_to_wkb_buf(col->geoms[i], buf, variant | WKB_NO_SRID);
        }

        return buf;
}

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