std::shared_ptr<const Image> current_image;
static std::shared_ptr<const Image> load_image(const std::string &filename, const std::string &pathname);
static std::shared_ptr<const Image> load_image_raw(const std::string &pathname);
std::shared_ptr<const Image> current_image;
static std::shared_ptr<const Image> load_image(const std::string &filename, const std::string &pathname);
static std::shared_ptr<const Image> load_image_raw(const std::string &pathname);