Class definition - 2023.2 English

template<int ROWS, int COLS, typename T>
class Window {
public:
    Window()
   /* Window main APIs */
    void shift_pixels_left();
    void shift_pixels_right();
    void shift_pixels_up();
    void shift_pixels_down();
    void insert_pixel(T value, int row, int col);
    void insert_row(T value[COLS], int row);
    void insert_top_row(T value[COLS]);
    void insert_bottom_row(T value[COLS]);
    void insert_col(T value[ROWS], int col);
    void insert_left_col(T value[ROWS]);
    void insert_right_col(T value[ROWS]);
    T& getval(int row, int col);
    T& operator ()(int row, int col);
    T val[ROWS][COLS];
#ifdef __DEBUG__
    void restore_val();
    void window_print();
    T val_t[ROWS][COLS];
#endif
};