unsigned int loadPixels(char *pixels, int width, int height, char filter, bool unbind_texure=true);
char* loadImage(const char *dir, int &width, int &height);
unsigned int loadImageGL(const char *dir, char filter, int &width, int &height);
unsigned int loadImageDataGL(char *data, int size, char filter, int &width, int &height);
unsigned int loadArchiveImageGL(const char *dir, int filter, int &width, int &height);
char* combineImages(char* image_1, int imagesize_1, char* image_2, int imagesize_2,
                    int &imageout_size);