18 #if !defined(AT_GUI_H_INSIDE)    19 #error "Only <at/gui.h> can be included directly."    41 at_display_show_image(AtImageWindow* window, AtArrayU8* image);
    49 at_display_show_image_by_name(
const char* name, AtArrayU8* image);
    55 at_display_wait_key();
    62 at_display_wait_key_until(uint32_t miliseconds);
    69 at_display_imagewindow(
const char* name);
    78 at_display_set_mouse_callback(AtImageWindow* window, AtMouseCallback mouse_callback, 
void* user_data);
    89 at_display_add_trackbar(AtImageWindow* window, 
const char* trackname, 
double *variable, 
double vmin, 
double vmax);
    96 at_display_remove_trackbar(AtImageWindow* window, 
const char* trackname);