Class Mat

testbench/main.cpp:20–124

namespace cv
{
struct Mat
{
  private:
    shared_ptr<void> dataMgr;

  public:
    void* data;
    int cols;  // Width
    int rows;  // Height
    int flags; // OpenCV flags
    struct
    {
        int buf[2]; // Buf[0] = width of the containing
                    // buffer*channels; buff[1] = channels
    } step;

    Mat()
        : data(nullptr)
        , cols(0)
        , rows(0)
    {
    }

    Mat& operator=(Mat&& o)
    {
        data    = o.data;
        dataMgr = std::move(o.dataMgr);
        cols    = o.cols;
        rows    = o.rows;

        return *this;
    }

    template <typename T>
    void create(int rows_, int cols_, int channels_)
    {
        cols = cols_;
        rows = rows_;
        step = {cols_ * channels_ * static_cast<int>(sizeof(T)), channels_};

        const int OID_TYPES_UINT8   = 0;
        const int OID_TYPES_UINT16  = 2;
        const int OID_TYPES_INT16   = 3;
        const int OID_TYPES_INT32   = 4;
        const int OID_TYPES_FLOAT32 = 5;
        const int OID_TYPES_FLOAT64 = 6;

        const int CV_CN_SHIFT = 3;

        flags = (channels_ - 1) << CV_CN_SHIFT;

        if (is_same<T, uint8_t>::value) {
            flags |= OID_TYPES_UINT8;
        } else if (is_same<T, uint16_t>::value) {
            flags |= OID_TYPES_UINT16;
        } else if (is_same<T, int16_t>::value) {
            flags |= OID_TYPES_INT16;
        } else if (is_same<T, int32_t>::value) {