usbloadergx/source/libwiigui/gui_image_async.h

#ifndef _GUIIMAGEASYNC_H_
#define _GUIIMAGEASYNC_H_

#// arg is a pointer created with malloc()
// when the image is destroied then will also the arg deleted with free()
typedef GuiImageData * (*ImageLoaderCallback)(void *arg);

class GuiImageAsync: public GuiImage
{
    public:
        GuiImageAsync(const char *Filename, GuiImageData * PreloadImg);
        GuiImageAsync(ImageLoaderCallback Callback, void *arg, int arglen, GuiImageData * PreloadImg);
        ~GuiImageAsync();

    private:
        GuiImageData *loadet_imgdata;
        friend void loader(GuiImageAsync *InUse);

        friend void Setter(GuiImageAsync *InUse);
        friend void *GuiImageAsyncThread(void *arg);
        ImageLoaderCallback callback;
        void *arg;
};

#endif /*_GUIIMAGEASYNC_H_*/