ImageManager.h

#ifndef ImageManager_H
#define ImageManager_H
 
#include "AzulCore.h"
#include <map>
 
using MapKey = std::string const;

class ImageManager
{
private:
    friend class ImageManagerAttorney;
 
    static ImageManager* ptrInstance;
 
    ImageManager();
    ImageManager(const ImageManager&) = delete;
    ImageManager& operator=(const ImageManager&) = delete;
    ~ImageManager() = default;
 
    static ImageManager& Instance()
    {
        if (ptrInstance == nullptr)
            ptrInstance = new ImageManager();
        return *ptrInstance;
    };

    static void Delete() { Instance().privDelete(); };
    void privDelete();

    std::map<MapKey, Image*> storageMap;
 
    Image* privGet(MapKey key);
    void privLoad(MapKey key, Texture* tex);
    void privLoad(MapKey key, Texture* tex, Rect* r);
 
public:
    static const MapKey defaultImageKey;

    static Image* Get(MapKey key) { return Instance().privGet(key); };

    static void Load(MapKey key, Texture* tex) { Instance().privLoad(key, tex); };

    static void Load(MapKey key, Texture* tex, Rect* r) { Instance().privLoad(key, tex, r); };
 
};
 
#endif