highgui.h

微软的基于HMM的人脸识别原代码, 非常经典的说

/*M///////////////////////////////////////////////////////////////////////////////////////
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//  If you do not agree to this license, do not download, install,
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//
//                        Intel License Agreement
//                For Open Source Computer Vision Library
//
// Copyright (C) 2000, Intel Corporation, all rights reserved.
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// Redistribution and use in source and binary forms, with or without modification,
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#ifndef _HIGH_GUI_
#define _HIGH_GUI_

#ifdef __cplusplus
#define HIGHGUI_EXTERN_C extern "C"
extern "C" {
#else
#define HIGHGUI_EXTERN_C
#endif /* __cplusplus */


#ifdef HIGHGUI_EXPORTS
#define HIGHGUI_API HIGHGUI_EXTERN_C __declspec(dllexport)
#else
#define HIGHGUI_API
#endif /* HIGHGUI_DLLEXPORT */

#include <ipl.h>

typedef void* IMAGE;

/* Errors */
#define HG_OK 0 /* Don't bet on it! */
#define HG_BADNAME -1 /* Bad window or file name */
#define HG_INITFAILED -2 /* Can't initialize HighGUI. Possibly, can't find vlgrfmts.dll */
#define HG_WCFAILED -3 /* Can't create a window */
#define HG_NULLPTR -4 /* The null pointer where it should not appear */
#define HG_BADPARAM -5 

/* Slider styles */
#define HG_LEFT 1
#define HG_TOP 2
#define HG_RIGHT 3
#define HG_BOTTOM 4

HIGHGUI_API void SetInstance(void* curInstance);
HIGHGUI_API void HGExit();
HIGHGUI_API int named_window(const char* name, unsigned long flags);
HIGHGUI_API int resize(const char* window_name, int width, int height);
HIGHGUI_API int destroy_window(const char* name);
HIGHGUI_API int attach_image(const char* window_name, IMAGE image);
HIGHGUI_API IMAGE load_bitmap(const char* filename);
HIGHGUI_API int save_bitmap(const char* filename, IMAGE bitmap);
HIGHGUI_API IMAGE create_image(int width, int height);
HIGHGUI_API int destroy_image(IMAGE image);
HIGHGUI_API int wait_key(const char* name);
HIGHGUI_API int wait_key_ex(const char* name, int delay);
HIGHGUI_API int check_key(const char* window_name);
HIGHGUI_API int reset_key(const char* window_name);
HIGHGUI_API int create_toolbar(const char* window_name/*, int pos*/);
HIGHGUI_API int create_trackbar(const char* trackbar_name, const char* window_name, int* val, 
                    int count, void (*ON_NOTIFY)(int));
#define create_slider create_trackbar
HIGHGUI_API void add_search_path(const char* path);
HIGHGUI_API void destroy_all();
HIGHGUI_API void detach_all_controls();

/* For use with IPL */
typedef IplImage* IPLIMAGE;
HIGHGUI_API int show_iplimage(const char* window_name, IPLIMAGE image);
HIGHGUI_API IPLIMAGE load_iplimage(const char* filename);
HIGHGUI_API int save_iplimage(const char* filename, IPLIMAGE iplimage);

/* For use with Win32 */

#ifdef WIN32
HIGHGUI_API HWND get_hwnd_byname(const char* name);
HIGHGUI_API const char* get_name_byhwnd(HWND hwnd);
HIGHGUI_API void set_preprocess_func(int (__cdecl * on_preprocess)(HWND, UINT, WPARAM, LPARAM, int*));
HIGHGUI_API void set_postprocess_func(int (__cdecl *on_postprocess)(HWND, UINT, WPARAM, LPARAM, int*));
#endif // WIN32


// Window flags
#define HG_AUTOSIZE 1

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif // _HIGH_GUI_