gserialized_from_lwpoly_size()

static size_t gserialized_from_lwpoly_size ( const LWPOLY *  poly )

static

Definition at line 718 of file g_serialized.c.

References LWPOLY::flags, FLAGS_NDIMS, LWDEBUGF, POINTARRAY::npoints, LWPOLY::nrings, and LWPOLY::rings.

Referenced by gserialized_from_any_size().

{
        size_t size = 4; /* Type number. */
        int i = 0;

        assert(poly);

        size += 4; /* Number of rings (zero => empty). */
        if ( poly->nrings % 2 )
                size += 4; /* Padding to double alignment. */

        for ( i = 0; i < poly->nrings; i++ )
        {
                size += 4; /* Number of points in ring. */
                size += poly->rings[i]->npoints * FLAGS_NDIMS(poly->flags) * sizeof(double);
        }

        LWDEBUGF(3, "polygon size = %d", size);

        return size;
}

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