Area.hpp

//
// Area Tool for SAL3D.
// Copyright 2010 AQSENSE, S.L.
//
#if !defined (AQSENSE_SAL3DPP_AREA_HPP)
#define AQSENSE_SAL3DPP_AREA_HPP

#if defined (_MSC_VER) && (_MSC_VER >= 1020)
#pragma once
#endif

#include <stdexcept>

#include <sal3d/area.h>
#include <sal3dpp/COP.hpp>

namespace sal3d
{
    namespace Area
    {
        inline float
        areaToRefLine (const sal3d::COP &cop, int row, int edgePoints)
        {
            float area;
            Error e;
            sal3d_area_to_ref_line (cop.c_cop (), row, edgePoints, &area, &e.e);
            if (e.e.value < 0)
                throw e;

            return area;
        }

        inline float
        areaEnclosed (const std::vector<sal3d::COP> &cops, int row)
        {
            std::vector<sal3d_cop> sal3d_cops;
            sal3d_cops.reserve (cops.size ());
            for (unsigned int i = 0; i < cops.size (); ++i)
            {
                sal3d_cops.push_back(cops[i].c_cop ());
            }
            assert (cops.size () == sal3d_cops.size ());

            float area;
            Error e;
            sal3d_area_area_enclosed (&sal3d_cops[0],
                    static_cast<int> (cops.size ()), row, &area, &e.e);
            if (e.e.value < 0)
                throw e;

            return area;
        }
    }
}

#endif // !AQSENSE_SAL3DPP_AREA_HPP