private:
void init();
+ void external_image(TextureCubeFace, const std::string &);
void image_data(TextureCubeFace, const std::string &);
void raw_data(TextureCubeFace, const std::string &);
void storage(PixelFormat, unsigned);
void image(TextureCubeFace, const Graphics::Image &, bool = false);
+ virtual void image(const Graphics::Image &, bool = false);
+
unsigned get_size() const { return size; }
private:
unsigned get_level_size(unsigned);