cos2000v2/include/video.h

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/*******************************************************************************/
/* COS2000 - Compatible Operating System - LGPL v3 - Hordé Nicolas */
/* */
#ifndef VIDEO
# define VIDEO
#include "stdarg.h"
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#define MAXDRIVERS 10
#define FONT8X16 0
#define FONT8X8 1
typedef struct videoinfos {
u8 currentmode;
u16 currentwidth;
u16 currentheight;
u8 currentdepth;
u8 currentactivepage;
u8 currentshowedpage;
u16 currentcursorX;
u16 currentcursorY;
u8 currentfont1;
u8 currentfont2;
u16 currentpitch;
bool isgraphic;
bool isblinking;
bool iscursorvisible;
u8 pagesnumber;
u32 pagesize;
u32 baseaddress;
} videoinfos __attribute__ ((packed));
typedef struct videofonction {
u8 *(*detect_hardware)();
u8 (*setvideo_mode) ();
u8 *(*getvideo_drivername) ();
u8 *(*getvideo_capabilities) ();
videoinfos *(*getvideo_info) ();
u32 (*mem_to_video) ();
u32 (*video_to_mem) ();
u32 (*video_to_video) ();
void (*wait_vretrace) ();
void (*wait_hretrace) ();
void (*page_set) ();
void (*page_show) ();
void (*page_split) ();
void (*cursor_enable) ();
void (*cursor_disable) ();
void (*cursor_set) ();
u32 (*font_load) ();
void (*font1_set) ();
void (*font2_set) ();
void (*blink_enable) ();
void (*blink_disable) ();
} videofonction __attribute__ ((packed));
typedef struct drivers {
u8* nom;
videofonction* pointer;
} drivers __attribute__ ((packed));
typedef struct capabilities {
u8 modenumber;
u16 width;
u16 height;
bool graphic;
u8 depth;
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u8 refresh;
} capabilities __attribute__ ((packed));
typedef struct console {
u8 attrib;
s16 cursX;
s16 cursY;
u8 ansi;
u8 param1;
u8 param2;
u8 param3;
u8 page;
bool scroll;
} console __attribute__ ((packed));
/* Fonctions de bas niveau */
void fill(u8 attrib);
void scroll (u8 lines, u8 attrib);
void scroll_enable(void);
void scroll_disable(void);
void showchar (u16 coordx, u16 coordy, u8 thechar, u8 attrib);
u8 getchar (u16 coordx, u16 coordy);
u8 getattrib (u16 coordx, u16 coordy);
void writepxl (u16 x, u16 y, u32 color);
void line(u32 x1, u32 y1, u32 x2, u32 y2, u8 color);
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void changemode(u8 mode);
u32 egatorgb(u8 ega);
u8 egatovga(u8 ega);
/* Fonctions de console */
void changevc(u8 vc);
void putchar(u8 thechar);
void clearscreen(void);
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u16 getwidth(void);
u16 getheight(void);
/* Fonctions de haut niveau */
u32 print(u8* string);
u32 printf (const u8 *string, ...);
u32 sprintf(u8 *variable, const u8 *string, ...);
u32 snprintf(u8 *variable, u32 maxsize, const u8 *string, ...);
u32 vprintf(const u8 * string, va_list args);
u32 vsprintf(u8 *variable, const u8 *string, va_list args);
u32 vsnprintf(u8 *variable, u32 maxsize, const u8 *string, va_list args);
u8* itoa(u64 num, u8* str, u8 base, u64 dim, u8 achar);
u8* sitoa(u64 num, u8 * str, u64 dim);
u8* rtoadouble(double num, u8 * str, u8 precisioni , u8 precisionf);
u8* rtoasingle(float num, u8 * str, u8 precisioni , u8 precisionf);
u32 format(const u8 * string, va_list args, u32 maxsize, u32 (*fonction)(u8* src, u8** dest, u32 len), u8* dest);
/* Fonction pour gérer le pilote */
void initdriver();
void registerdriver(videofonction *pointer);
void apply_bestdriver(void);
void apply_nextdriver(void);
void apply_driver(u8* name);
void apply_nextvideomode(void);
/* Fonctions du pilote */
u8 *(*detect_hardware) (void);
u8 (*setvideo_mode) (u8 mode);
u8 *(*getvideo_drivername) (void);
u8 *(*getvideo_capabilities) (void);
videoinfos *(*getvideo_info) (void);
u32 (*mem_to_video) (void *src,u32 dst, u32 size, bool increment_src);
u32 (*video_to_mem) (u32 src,void *dst, u32 size);
u32 (*video_to_video) (u32 src,u32 dst, u32 size);
void (*wait_vretrace) (void);
void (*wait_hretrace) (void);
void (*page_set) (u8 page);
void (*page_show) (u8 page);
void (*page_split) (u16 y);
void (*cursor_enable) (void);
void (*cursor_disable) (void);
void (*cursor_set) (u16 x,u16 y);
u32 (*font_load) (u8 * def, u8 size, u8 font);
void (*font1_set) (u8 num);
void (*font2_set) (u8 num);
void (*blink_enable) (void);
void (*blink_disable) (void);
#endif