gserialized_from_lwpoint()

static size_t gserialized_from_lwpoint ( const LWPOINT *  point, uint8_t *  buf  )

static

Definition at line 832 of file g_serialized.c.

References POINTARRAY::flags, LWPOINT::flags, FLAGS_GET_ZM, getPoint_internal(), LWDEBUGF, lwerror(), POINTARRAY::npoints, LWPOINT::point, POINTTYPE, ptarray_point_size(), and ovdump::type.

Referenced by gserialized_from_lwgeom_any().

{
        uint8_t *loc;
        int ptsize = ptarray_point_size(point->point);
        int type = POINTTYPE;

        assert(point);
        assert(buf);

        if ( FLAGS_GET_ZM(point->flags) != FLAGS_GET_ZM(point->point->flags) )
                lwerror("Dimensions mismatch in lwpoint");

        LWDEBUGF(2, "lwpoint_to_gserialized(%p, %p) called", point, buf);

        loc = buf;

        /* Write in the type. */
        memcpy(loc, &type, sizeof(uint32_t));
        loc += sizeof(uint32_t);
        /* Write in the number of points (0 => empty). */
        memcpy(loc, &(point->point->npoints), sizeof(uint32_t));
        loc += sizeof(uint32_t);

        /* Copy in the ordinates. */
        if ( point->point->npoints > 0 )
        {
                memcpy(loc, getPoint_internal(point->point, 0), ptsize);
                loc += ptsize;
        }

        return (size_t)(loc - buf);
}

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