ImageCache.h

#ifndef IMAGE_CACHE_H
#define IMAGE_CACHE_H
 
#include "Etterna/FileTypes/IniFile.h"
 
#include "RageUtil/Graphics/RageTexture.h"
 
class LoadingWindow;
class ImageCache
{
  public:
    ImageCache();
    ~ImageCache();
    void ReadFromDisk();
 
    auto LoadCachedImage(const std::string& sImageDir,
                         const std::string& sImagePath) -> RageTextureID;
    void CacheImage(const std::string& sImageDir,
                    const std::string& sImagePath);
    void LoadImage(const std::string& sImageDir, const std::string& sImagePath);
 
    void Demand(const std::string& sImageDir);
    void Undemand(const std::string& sImageDir);
 
    void OutputStats() const;
 
  private:
    static auto GetImageCachePath(const std::string& sImageDir,
                                  const std::string& sImagePath) -> std::string;
    void UnloadAllImages();
    void CacheImageInternal(const std::string& sImageDir,
                            const std::string& sImagePath);
 
    IniFile ImageData;
};
 
extern ImageCache*
  IMAGECACHE; // global and accessible from anywhere in our program
 
#endif