Method n_empty

opencv/src/main/java/org/opencv/core/Mat.java:1724–1724

(long nativeObj)

    // C++: bool Mat::empty()
    private static native boolean n_empty(long nativeObj);

    // C++: static Mat Mat::eye(int rows, int cols, int type)
    private static native long n_eye(int rows, int cols, int type);