Class Iterator

testbench/main.cpp:99–123

    template <typename T>
    struct Iterator
    {
        Iterator(Mat& m_)
            : m(m_)
        {
        }

        Iterator& operator=(Iterator& o)
        {
            m = o.m;

            return *this;
        }

        T& operator()(int row, int col, int chan)
        {
            size_t channels = m.step.buf[1];
            size_t idx      = row * m.cols * channels + col * channels + chan;
            assert(idx >= 0);
            assert(idx < m.rows * m.cols * m.step.buf[1]);
            return (static_cast<T*>(m.data))[idx];
        }

        Mat& m;
    };
};

} // namespace cv