xvfb.h

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//
//                          IMPORTANT NOTICE
//
// The following open source license statement does not apply to any
// entity in the Exception List published by FMSoft.
//
// For more information, please visit:
//
// https://www.fmsoft.cn/exception-list
//
 
/*
 * $Id: xvfb.h 7682 2007-09-26 03:27:02Z wangxuguang $
 *
 *      MiniGUI for Linux/uClinux, eCos, uC/OS-II, VxWorks,
 *      pSOS, ThreadX, NuCleus, OSE, and Win32.
 */
 
#ifndef _MGUI_XVFB_H
  #define _MGUI_XVFB_H
 
#ifdef __cplusplus
extern "C" {
#endif  /*__cplusplus*/
 
typedef struct _XVFBHeader {
 
    unsigned int info_size;
 
    int width;
 
    int height;
 
    int depth;
 
    Uint8  MSBLeft;
 
    Uint32 Rmask;
 
    Uint32 Gmask;
 
    Uint32 Bmask;
 
    Uint32 Amask;
 
    int pitch;
 
    int dirty;
 
    int dirty_rc_l;
    int dirty_rc_t;
    int dirty_rc_r;
    int dirty_rc_b;
 
    int palette_changed;
 
    int palette_offset;
 
    int fb_offset;
} XVFBHeader;
 
 
typedef struct _XVFBKEYDATA
{
    unsigned short key_code;
 
    unsigned short key_state;
} XVFBKEYDATA;
 
typedef struct _XVFBMOUSEDATA
{
    unsigned short x;
 
    unsigned short y;
 
    unsigned short btn;
} XVFBMOUSEDATA;
 
 
typedef struct _XVFBEVENT
{
    int event_type;
 
    union {
        XVFBKEYDATA kb_data;
        XVFBMOUSEDATA mouse_data;
    };
} XVFBEVENT;
 
 
typedef struct _XVFBPalEntry {
    unsigned char r;
    unsigned char g;
    unsigned char b;
    unsigned char a;
} XVFBPalEntry;
 
 
extern MG_EXPORT XVFBHeader* __mg_rtos_xvfb_header;
 
extern MG_EXPORT void* __mg_rtos_xvfb_event_buffer;
MG_EXPORT XVFBHeader* GUIAPI xVFBAllocVirtualFrameBuffer (int width, int height, int depth,
        Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask, BOOL MSBLeft);
 
MG_EXPORT void GUIAPI xVFBFreeVirtualFrameBuffer (XVFBHeader* buf);
 
MG_EXPORT void* GUIAPI xVFBCreateEventBuffer (int nr_events);
 
 
MG_EXPORT void GUIAPI xVFBDestroyEventBuffer (void* event_buf);
 
MG_EXPORT int GUIAPI xVFBNotifyNewEvent (const void* xvfb_event_buffer, XVFBEVENT* event);
 
 
#ifdef __cplusplus
}
#endif
 
#endif