imgcache.h

#ifndef DEF_IMGCACHE_H
#define DEF_IMGCACHE_H 1

class ImageCache {
    public:
        ImageCache();
        ~ImageCache();

        Image& loadImage(std::vector<SDL_Rect> image_desc, string imagename, double scale_factor=1);
        Image& loadImage(string imagename, double scale_factor=1, string image_desc_file="");
        Image& loadImage(Uint16 num_frames, string imagename, double scale_factor=1);
        Image& loadImage(Uint16 width, Uint16 shift, string imagename, double scale_factor=1);
        Image& loadImage(SDL_Rect base_rect, string imagename, double scale_factor=1);
    private:
        std::map<pair<string,double>,Image> imgcache;
        string not_found;
    private:
        SDL_Rect& scaleRectangle(SDL_Rect& base_rect, double scale_factor);
        std::vector<SDL_Rect>& scaleDescription(std::vector<SDL_Rect>& description, double scale_factor);
        Image& scaleImage(Image& original_image, double scale_factor);
};

#endif

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