gserialized_from_lwtriangle()

static size_t gserialized_from_lwtriangle ( const LWTRIANGLE *  triangle, uint8_t *  buf  )

static

Definition at line 960 of file g_serialized.c.

References POINTARRAY::flags, LWTRIANGLE::flags, FLAGS_GET_ZM, getPoint_internal(), LWDEBUGF, lwerror(), POINTARRAY::npoints, LWTRIANGLE::points, ptarray_point_size(), TRIANGLETYPE, and ovdump::type.

Referenced by gserialized_from_lwgeom_any().

{
        uint8_t *loc;
        int ptsize;
        size_t size;
        int type = TRIANGLETYPE;

        assert(triangle);
        assert(buf);

        LWDEBUGF(2, "lwtriangle_to_gserialized(%p, %p) called", triangle, buf);

        if ( FLAGS_GET_ZM(triangle->flags) != FLAGS_GET_ZM(triangle->points->flags) )
                lwerror("Dimensions mismatch in lwtriangle");

        ptsize = ptarray_point_size(triangle->points);

        loc = buf;

        /* Write in the type. */
        memcpy(loc, &type, sizeof(uint32_t));
        loc += sizeof(uint32_t);

        /* Write in the npoints. */
        memcpy(loc, &(triangle->points->npoints), sizeof(uint32_t));
        loc += sizeof(uint32_t);

        LWDEBUGF(3, "lwtriangle_to_gserialized added npoints (%d)", triangle->points->npoints);

        /* Copy in the ordinates. */
        if ( triangle->points->npoints > 0 )
        {
                size = triangle->points->npoints * ptsize;
                memcpy(loc, getPoint_internal(triangle->points, 0), size);
                loc += size;
        }
        LWDEBUGF(3, "lwtriangle_to_gserialized copied serialized_pointlist (%d bytes)", ptsize * triangle->points->npoints);

        return (size_t)(loc - buf);
}

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