gserialized2_from_lwpoly_size()

static size_t gserialized2_from_lwpoly_size ( const LWPOLY *  poly )

static

Definition at line 684 of file gserialized2.c.

{
        size_t size = 4; /* Type number. */
        uint32_t i = 0;
        const size_t point_size = FLAGS_NDIMS(poly->flags) * sizeof(double);
 
        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 * point_size;
        }
 
        LWDEBUGF(3, "polygon size = %zu", size);
 
        return size;
}

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

Referenced by gserialized2_from_any_size().

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