lwpoly_to_wkb_buf()

static uint8_t* lwpoly_to_wkb_buf ( const LWPOLY *  poly, uint8_t *  buf, uint8_t  variant  )

static

Definition at line 570 of file lwout_wkb.c.

References empty_to_wkb_buf(), endian_to_wkb_buf(), integer_to_wkb_buf(), lwgeom_is_empty(), lwgeom_wkb_needs_srid(), lwgeom_wkb_type(), ptarray_to_wkb_buf(), LWGEOM::srid, and WKB_EXTENDED.

Referenced by lwgeom_to_wkb_buf().

{
        int i;

        /* Only process empty at this level in the EXTENDED case */
        if ( (variant & WKB_EXTENDED) && lwgeom_is_empty((LWGEOM*)poly) )
                return empty_to_wkb_buf((LWGEOM*)poly, buf, variant);

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

        for ( i = 0; i < poly->nrings; i++ )
        {
                buf = ptarray_to_wkb_buf(poly->rings[i], buf, variant);
        }

        return buf;
}

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