void image::read (std::string file_name ,std::string image_name) {
    std::ifstream in(file_name);
    in >> image_name >> this->row >> this->column;
    for (int i = 0; i < row; i++) {
        for (int j = 0; j < column; j++) {
            in >> this->body[i][j].red >> this->body[i][j].green >> this->body[i][j].blue;
        }
    }
}