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//==========================================================================

//

//      vnc-server.h

//

//

//

//==========================================================================

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//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    Chris Garry <cgarry@sweeneydesign.co.uk>

// Contributors:

// Date:         2003-08-22

// Purpose:

// Description:  Header file for VNC Server

//

//####DESCRIPTIONEND####

//

//========================================================================*/

#include <cyg/kernel/kapi.h>  /* Kernel API */

#include <pkgconf/vnc_server.h>

/* Type to hold the frame format details */

typedef struct

{

    cyg_uint16 frame_width;

    cyg_uint16 frame_height;

    void *     frame_buffer;

    bool       rgb332;

    bool       rgb555;

    bool       rgb565;

    bool       bgr233;

    bool       truecolor0888;

} vnc_frame_format_t;

#ifdef CYGNUM_VNC_SERVER_INCLUDE_VNC_PRINTF

/* The typedefs for MWIMAGEBITS and MWCFONT and required to use  */

/* the font definition files in the src/fonts/ directory.  These */

/* typedefs are repeated in the device.h file also in the        */

/* src/fonts/ directory                                          */

typedef unsigned short  MWIMAGEBITS;    /* bitmap image unit size*/

typedef struct {

    char *      name;       /* font name*/

    int     maxwidth;   /* max width in pixels*/

    int     height;     /* height in pixels*/

    int     ascent;     /* ascent (baseline) height*/

    int     firstchar;  /* first character in bitmap*/

    int     size;       /* font size in characters*/

    MWIMAGEBITS *   bits;       /* 16-bit right-padded bitmap data*/

    unsigned short *offset;     /* 256 offsets into bitmap data*/

    unsigned char * width;      /* 256 character widths or 0 if fixed*/

} MWCFONT;

/* Type to hold rectangle size details */

typedef struct

{

    cyg_uint16 width;

    cyg_uint16 height;

} vnc_printf_return_t;

#endif

/* Type for colour values */

#if defined(CYGNUM_VNC_SERVER_PIXEL_RGB332) || defined(CYGNUM_VNC_SERVER_PIXEL_BGR233)

typedef cyg_uint8 vnc_color_t;

typedef cyg_uint8 vnc_colour_t;

#elif defined(CYGNUM_VNC_SERVER_PIXEL_RGB555) || defined(CYGNUM_VNC_SERVER_PIXEL_RGB565)

typedef cyg_uint16 vnc_color_t;

typedef cyg_uint16 vnc_colour_t;

#elif defined(CYGNUM_VNC_SERVER_PIXEL_TRUECOLOR0888)

typedef cyg_uint32 vnc_color_t;

typedef cyg_uint32 vnc_colour_t;

#else

#error "Unsupported color model"

#endif

/* Driver function prototypes */

vnc_frame_format_t* VncGetInfo(void);

void  VncInit(vnc_colour_t colour);

void VncDrawPixel(cyg_uint16 x, cyg_uint16 y, vnc_colour_t colour);

vnc_colour_t VncReadPixel(cyg_uint16 x, cyg_uint16 y);

void VncDrawHorzLine(cyg_uint16 x1, cyg_uint16 x2, cyg_uint16 y, vnc_colour_t colour);

void VncDrawVertLine(cyg_uint16 x, cyg_uint16 y1, cyg_uint16 y2, vnc_colour_t colour);

void VncFillRect(cyg_uint16 x1, cyg_uint16 y1, cyg_uint16 x2, cyg_uint16 y2, vnc_colour_t colour);

void VncCopyRect(cyg_uint16 x1, cyg_uint16 y1, cyg_uint16 width, cyg_uint16 height, cyg_uint16 x2, cyg_uint16 y2);

void VncCopyRect2Buffer(cyg_uint16 x, cyg_uint16 y, cyg_uint16 width, cyg_uint16 height,

                        void *buffer, cyg_uint16 buff_w, cyg_uint16 buff_h, cyg_uint16 x_off, cyg_uint16 y_off);

void VncCopyBuffer2Rect(void *buffer, cyg_uint16 buff_w, cyg_uint16 buff_h, cyg_uint16 x_off, cyg_uint16 y_off,

                         cyg_uint16 x, cyg_uint16 y, cyg_uint16 width, cyg_uint16 height);

void VncCopyBuffer2RectMask( void *buffer, cyg_uint16 buff_w, cyg_uint16 buff_h ,cyg_uint16 x_off, cyg_uint16 y_off,

                             cyg_uint16 x, cyg_uint16 y, cyg_uint16 width, cyg_uint16 height, vnc_colour_t col);

void VncSoundBell(void);

#ifdef CYGNUM_VNC_SERVER_INCLUDE_VNC_PRINTF

vnc_printf_return_t VncPrintf(MWCFONT* font, int do_print, vnc_colour_t colour, int x, int y, const char *fmt, ... );

#endif

/* Macros to convert from RGB to colour values */

#ifdef CYGNUM_VNC_SERVER_PIXEL_RGB332

#define VNC_RGB2COL(r,g,b) (vnc_colour_t)(((((cyg_uint8)r)&0xE0) >> 0)  \

                                      |((((cyg_uint8)g)&0xE0) >> 3)  \

                                      |((((cyg_uint8)b)&0xC0) >> 6))

#endif

#ifdef CYGNUM_VNC_SERVER_PIXEL_BGR233

#define VNC_RGB2COL(r,g,b) (vnc_colour_t)(((((cyg_uint8)r)&0xE0) >> 5)  \

                                      |((((cyg_uint8)g)&0xE0) >> 2)  \

                                      |((((cyg_uint8)b)&0xC0) >> 0))

#endif

#ifdef CYGNUM_VNC_SERVER_PIXEL_RGB555

#define VNC_RGB2COL(r,g,b) (vnc_colour_t)(((((cyg_uint8)r)&0xF8) << 7)  \

                                       |((((cyg_uint8)g)&0xF8) << 2)  \

                                       |((((cyg_uint8)b)&0xF8) >> 3))

#endif

#ifdef CYGNUM_VNC_SERVER_PIXEL_RGB565

#define VNC_RGB2COL(r,g,b) (vnc_colour_t)(((((cyg_uint8)r)&0xF8) << 8)  \

                                       |((((cyg_uint8)g)&0xFC) << 3)  \

                                       |((((cyg_uint8)b)&0xF8) >> 3))

#endif

#ifdef CYGNUM_VNC_SERVER_PIXEL_TRUECOLOR0888

#define VNC_RGB2COL(r,g,b) (vnc_colour_t)(((((cyg_uint8)r)&0xFF) << 16)  \

                                       |((((cyg_uint8)g)&0xFF) << 8)  \

                                       |((((cyg_uint8)b)&0xFF) << 0))

#endif

/* 16 defined colours for application use */

#define VNC_BLACK       VNC_RGB2COL( 0  , 0  , 0   )

#define VNC_BLUE        VNC_RGB2COL( 0  , 0  , 128 )

#define VNC_GREEN       VNC_RGB2COL( 0  , 128, 0   )

#define VNC_CYAN        VNC_RGB2COL( 0  , 128, 128 )

#define VNC_RED         VNC_RGB2COL( 128, 0  , 0   )

#define VNC_MAGENTA     VNC_RGB2COL( 128, 0  , 128 )

#define VNC_BROWN       VNC_RGB2COL( 128, 64 , 0   )

#define VNC_LTGRAY      VNC_RGB2COL( 192, 192, 192 )

#define VNC_LTGREY      VNC_RGB2COL( 192, 192, 192 )

#define VNC_GRAY        VNC_RGB2COL( 128, 128, 128 )

#define VNC_GREY        VNC_RGB2COL( 128, 128, 128 )

#define VNC_LTBLUE      VNC_RGB2COL( 0  , 0  , 255 )

#define VNC_LTGREEN     VNC_RGB2COL( 0  , 255, 0   )

#define VNC_LTCYAN      VNC_RGB2COL( 0  , 255, 255 )

#define VNC_LTRED       VNC_RGB2COL( 255, 0  , 0   )

#define VNC_LTMAGENTA   VNC_RGB2COL( 255, 0  , 255 )

#define VNC_YELLOW      VNC_RGB2COL( 255, 255, 0   )

#define VNC_WHITE       VNC_RGB2COL( 255, 255, 255 )

#ifdef CYGNUM_VNC_SERVER_INCLUDE_VNC_PRINTF

/* Compiled in fonts*/

extern MWCFONT font_rom8x16, font_rom8x8;

extern MWCFONT font_winFreeSansSerif11x13;

extern MWCFONT font_winFreeSystem14x16;  /* Default font */

extern MWCFONT font_helvB10, font_helvB12, font_helvR10;

extern MWCFONT font_X5x7, font_X6x13;

#endif