lwpoly_to_wkb_size()

static size_t lwpoly_to_wkb_size ( const LWPOLY *  poly, uint8_t  variant  )

static

Definition at line 547 of file lwout_wkb.c.

References empty_to_wkb_size(), lwgeom_is_empty(), lwgeom_wkb_needs_srid(), ptarray_to_wkb_size(), WKB_BYTE_SIZE, WKB_EXTENDED, and WKB_INT_SIZE.

Referenced by lwgeom_to_wkb_size().

{
        /* endian flag + type number + number of rings */
        size_t size = WKB_BYTE_SIZE + WKB_INT_SIZE + WKB_INT_SIZE;
        int i = 0;

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

        /* Extended WKB needs space for optional SRID integer */
        if ( lwgeom_wkb_needs_srid((LWGEOM*)poly, variant) )
                size += WKB_INT_SIZE;

        for ( i = 0; i < poly->nrings; i++ )
        {
                /* Size of ring point array */
                size += ptarray_to_wkb_size(poly->rings[i], variant);
        }

        return size;
}

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