This is the graphics.h header file which contains all the graphics functions and their implementations. It is quite nice to have a look at header files just to know more about functions and their parameters. Also it tells about different structures, enum defined in the file for specific purpose.
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#if !defined(__GRAPHICS_H) #define __GRAPHICS_H #if !defined( __DEFS_H ) #include <_defs.h> #endif enum graphics_errors { /* graphresult error return codes */ grOk = 0, grNoInitGraph = -1, grNotDetected = -2, grFileNotFound = -3, grInvalidDriver = -4, grNoLoadMem = -5, grNoScanMem = -6, grNoFloodMem = -7, grFontNotFound = -8, grNoFontMem = -9, grInvalidMode = -10, grError = -11, /* generic error */ grIOerror = -12, grInvalidFont = -13, grInvalidFontNum = -14, grInvalidVersion = -18 }; enum graphics_drivers { /* define graphics drivers */ DETECT, /* requests autodetection */ CGA, MCGA, EGA, EGA64, EGAMONO, IBM8514, /* 1 - 6 */ HERCMONO, ATT400, VGA, PC3270, /* 7 - 10 */ CURRENT_DRIVER = -1 }; enum graphics_modes { /* graphics modes for each driver */ CGAC0 = 0, /* 320x200 palette 0; 1 page */ CGAC1 = 1, /* 320x200 palette 1; 1 page */ CGAC2 = 2, /* 320x200 palette 2: 1 page */ CGAC3 = 3, /* 320x200 palette 3; 1 page */ CGAHI = 4, /* 640x200 1 page */ MCGAC0 = 0, /* 320x200 palette 0; 1 page */ MCGAC1 = 1, /* 320x200 palette 1; 1 page */ MCGAC2 = 2, /* 320x200 palette 2; 1 page */ MCGAC3 = 3, /* 320x200 palette 3; 1 page */ MCGAMED = 4, /* 640x200 1 page */ MCGAHI = 5, /* 640x480 1 page */ EGALO = 0, /* 640x200 16 color 4 pages */ EGAHI = 1, /* 640x350 16 color 2 pages */ EGA64LO = 0, /* 640x200 16 color 1 page */ EGA64HI = 1, /* 640x350 4 color 1 page */ EGAMONOHI = 0, /* 640x350 64K on card, 1 page - 256K on card, 4 pages */ HERCMONOHI = 0, /* 720x348 2 pages */ ATT400C0 = 0, /* 320x200 palette 0; 1 page */ ATT400C1 = 1, /* 320x200 palette 1; 1 page */ ATT400C2 = 2, /* 320x200 palette 2; 1 page */ ATT400C3 = 3, /* 320x200 palette 3; 1 page */ ATT400MED = 4, /* 640x200 1 page */ ATT400HI = 5, /* 640x400 1 page */ VGALO = 0, /* 640x200 16 color 4 pages */ VGAMED = 1, /* 640x350 16 color 2 pages */ VGAHI = 2, /* 640x480 16 color 1 page */ PC3270HI = 0, /* 720x350 1 page */ IBM8514LO = 0, /* 640x480 256 colors */ IBM8514HI = 1 /*1024x768 256 colors */ }; /* Colors for setpalette and setallpalette */ #if !defined(__COLORS) #define __COLORS enum COLORS { BLACK, /* dark colors */ BLUE, GREEN, CYAN, RED, MAGENTA, BROWN, LIGHTGRAY, DARKGRAY, /* light colors */ LIGHTBLUE, LIGHTGREEN, LIGHTCYAN, LIGHTRED, LIGHTMAGENTA, YELLOW, WHITE }; #endif enum CGA_COLORS { CGA_LIGHTGREEN = 1, /* Palette C0 Color Names */ CGA_LIGHTRED = 2, CGA_YELLOW = 3, CGA_LIGHTCYAN = 1, /* Palette C1 Color Names */ CGA_LIGHTMAGENTA = 2, CGA_WHITE = 3, CGA_GREEN = 1, /* Palette C2 Color Names */ CGA_RED = 2, CGA_BROWN = 3, CGA_CYAN = 1, /* Palette C3 Color Names */ CGA_MAGENTA = 2, CGA_LIGHTGRAY = 3 }; enum EGA_COLORS { EGA_BLACK = 0, /* dark colors */ EGA_BLUE = 1, EGA_GREEN = 2, EGA_CYAN = 3, EGA_RED = 4, EGA_MAGENTA = 5, EGA_BROWN = 20, EGA_LIGHTGRAY = 7, EGA_DARKGRAY = 56, /* light colors */ EGA_LIGHTBLUE = 57, EGA_LIGHTGREEN = 58, EGA_LIGHTCYAN = 59, EGA_LIGHTRED = 60, EGA_LIGHTMAGENTA = 61, EGA_YELLOW = 62, EGA_WHITE = 63 }; enum line_styles { /* Line styles for get/setlinestyle */ SOLID_LINE = 0, DOTTED_LINE = 1, CENTER_LINE = 2, DASHED_LINE = 3, USERBIT_LINE = 4, /* User defined line style */ }; enum line_widths { /* Line widths for get/setlinestyle */ NORM_WIDTH = 1, THICK_WIDTH = 3, }; enum font_names { DEFAULT_FONT = 0, /* 8x8 bit mapped font */ TRIPLEX_FONT = 1, /* "Stroked" fonts */ SMALL_FONT = 2, SANS_SERIF_FONT = 3, GOTHIC_FONT = 4, SCRIPT_FONT = 5, SIMPLEX_FONT = 6, TRIPLEX_SCR_FONT = 7, COMPLEX_FONT = 8, EUROPEAN_FONT = 9, BOLD_FONT = 10 }; #define HORIZ_DIR 0 /* left to right */ #define VERT_DIR 1 /* bottom to top */ #define USER_CHAR_SIZE 0 /* user-defined char size */ enum fill_patterns { /* Fill patterns for get/setfillstyle */ EMPTY_FILL, /* fills area in background color */ SOLID_FILL, /* fills area in solid fill color */ LINE_FILL, /* --- fill */ LTSLASH_FILL, /* /// fill */ SLASH_FILL, /* /// fill with thick lines */ BKSLASH_FILL, /* \\\ fill with thick lines */ LTBKSLASH_FILL, /* \\\ fill */ HATCH_FILL, /* light hatch fill */ XHATCH_FILL, /* heavy cross hatch fill */ INTERLEAVE_FILL, /* interleaving line fill */ WIDE_DOT_FILL, /* Widely spaced dot fill */ CLOSE_DOT_FILL, /* Closely spaced dot fill */ USER_FILL /* user defined fill */ }; enum putimage_ops { /* BitBlt operators for putimage */ COPY_PUT, /* MOV */ XOR_PUT, /* XOR */ OR_PUT, /* OR */ AND_PUT, /* AND */ NOT_PUT /* NOT */ }; enum text_just { /* Horizontal and vertical justification for settextjustify */ LEFT_TEXT = 0, CENTER_TEXT = 1, RIGHT_TEXT = 2, BOTTOM_TEXT = 0, /* CENTER_TEXT = 1, already defined above */ TOP_TEXT = 2 }; #define MAXCOLORS 15 struct palettetype { unsigned char size; signed char colors[MAXCOLORS+1]; }; struct linesettingstype { int linestyle; unsigned upattern; int thickness; }; struct textsettingstype { int font; int direction; int charsize; int horiz; int vert; }; struct fillsettingstype { int pattern; int color; }; struct pointtype { int x, y; }; struct viewporttype { int left, top, right, bottom; int clip; }; struct arccoordstype { int x, y; int xstart, ystart, xend, yend; }; #ifdef __cplusplus extern "C" { #endif void far _Cdecl arc(int __x, int __y, int __stangle, int __endangle, int __radius); void far _Cdecl bar(int __left, int __top, int __right, int __bottom); void far _Cdecl bar3d(int __left, int __top, int __right, int __bottom, int __depth, int __topflag); void far _Cdecl circle(int __x, int __y, int __radius); void far _Cdecl cleardevice(void); void far _Cdecl clearviewport(void); void far _Cdecl closegraph(void); void far _Cdecl detectgraph(int far *__graphdriver,int far *__graphmode); void far _Cdecl drawpoly(int __numpoints, const int far *__polypoints); void far _Cdecl ellipse(int __x, int __y, int __stangle, int __endangle, int __xradius, int __yradius); void far _Cdecl fillellipse( int __x, int __y, int __xradius, int __yradius ); void far _Cdecl fillpoly(int __numpoints, const int far *__polypoints); void far _Cdecl floodfill(int __x, int __y, int __border); void far _Cdecl getarccoords(struct arccoordstype far *__arccoords); void far _Cdecl getaspectratio(int far *__xasp, int far *__yasp); int far _Cdecl getbkcolor(void); int far _Cdecl getcolor(void); struct palettetype far * far _Cdecl getdefaultpalette( void ); char * far _Cdecl getdrivername( void ); void far _Cdecl getfillpattern(char far *__pattern); void far _Cdecl getfillsettings(struct fillsettingstype far *__fillinfo); int far _Cdecl getgraphmode(void); void far _Cdecl getimage(int __left, int __top, int __right, int __bottom, void far *__bitmap); void far _Cdecl getlinesettings(struct linesettingstype far *__lineinfo); int far _Cdecl getmaxcolor(void); int far _Cdecl getmaxmode(void); int far _Cdecl getmaxx(void); int far _Cdecl getmaxy(void); char * far _Cdecl getmodename( int __mode_number ); void far _Cdecl getmoderange(int __graphdriver, int far *__lomode, int far *__himode); unsigned far _Cdecl getpixel(int __x, int __y); void far _Cdecl getpalette(struct palettetype far *__palette); int far _Cdecl getpalettesize( void ); void far _Cdecl gettextsettings(struct textsettingstype far *__texttypeinfo); void far _Cdecl getviewsettings(struct viewporttype far *__viewport); int far _Cdecl getx(void); int far _Cdecl gety(void); void far _Cdecl graphdefaults(void); char * far _Cdecl grapherrormsg(int __errorcode); void far _Cdecl _graphfreemem(void far *__ptr, unsigned __size); void far * far _Cdecl _graphgetmem(unsigned __size); int far _Cdecl graphresult(void); unsigned far _Cdecl imagesize(int __left, int __top, int __right, int __bottom); void far _Cdecl initgraph(int far *__graphdriver, int far *__graphmode, const char far *__pathtodriver); int far _Cdecl installuserdriver( const char far *__name, int huge (*detect)(void) ); int far _Cdecl installuserfont( const char far *__name ); void far _Cdecl line(int __x1, int __y1, int __x2, int __y2); void far _Cdecl linerel(int __dx, int __dy); void far _Cdecl lineto(int __x, int __y); void far _Cdecl moverel(int __dx, int __dy); void far _Cdecl moveto(int __x, int __y); void far _Cdecl outtext(const char far *__textstring); void far _Cdecl outtextxy(int __x, int __y, const char far *__textstring); void far _Cdecl pieslice(int __x, int __y, int __stangle, int __endangle, int __radius); void far _Cdecl putimage(int __left, int __top, const void far *__bitmap, int __op); void far _Cdecl putpixel(int __x, int __y, int __color); void far _Cdecl rectangle(int __left, int __top, int __right, int __bottom); void far _Cdecl restorecrtmode(void); void far _Cdecl sector( int __X, int __Y, int __StAngle, int __EndAngle, int __XRadius, int __YRadius ); void far _Cdecl setactivepage(int __page); void far _Cdecl setallpalette(const struct palettetype far *__palette); void far _Cdecl setaspectratio( int __xasp, int __yasp ); void far _Cdecl setbkcolor(int __color); void far _Cdecl setcolor(int __color); void far _Cdecl setfillpattern(const char far *__upattern, int __color); void far _Cdecl setfillstyle(int __pattern, int __color); unsigned far _Cdecl setgraphbufsize(unsigned __bufsize); void far _Cdecl setgraphmode(int __mode); void far _Cdecl setlinestyle(int __linestyle, unsigned __upattern, int __thickness); void far _Cdecl setpalette(int __colornum, int __color); void far _Cdecl setrgbpalette(int __colornum, int __red, int __green, int __blue); void far _Cdecl settextjustify(int __horiz, int __vert); void far _Cdecl settextstyle(int __font, int __direction, int __charsize); void far _Cdecl setusercharsize(int __multx, int __divx, int __multy, int __divy); void far _Cdecl setviewport(int __left, int __top, int __right, int __bottom, int __clip); void far _Cdecl setvisualpage(int __page); void far _Cdecl setwritemode( int __mode ); int far _Cdecl textheight(const char far *__textstring); int far _Cdecl textwidth(const char far *__textstring); /***** graphics drivers *****/ int _Cdecl registerbgidriver(void (*driver)(void)); int far _Cdecl registerfarbgidriver(void far *__driver); /* !! These "functions" are NOT user-callable !! */ /* !! They are there just so you can link in graphics drivers !! */ void _Cdecl CGA_driver(void); void _Cdecl EGAVGA_driver(void); void _Cdecl IBM8514_driver(void); void _Cdecl Herc_driver(void); void _Cdecl ATT_driver(void); void _Cdecl PC3270_driver(void); extern int far _Cdecl CGA_driver_far[]; extern int far _Cdecl EGAVGA_driver_far[]; extern int far _Cdecl IBM8514_driver_far[]; extern int far _Cdecl Herc_driver_far[]; extern int far _Cdecl ATT_driver_far[]; extern int far _Cdecl PC3270_driver_far[]; /***** graphics fonts *****/ int _Cdecl registerbgifont(void (*font)(void)); int far _Cdecl registerfarbgifont(void far *__font); /* !! These "functions" are NOT user-callable, !! */ /* !! they are there just so you can link in fonts !! */ void _Cdecl triplex_font(void); void _Cdecl small_font(void); void _Cdecl sansserif_font(void); void _Cdecl gothic_font(void); extern int far _Cdecl triplex_font_far[]; extern int far _Cdecl small_font_far[]; extern int far _Cdecl sansserif_font_far[]; extern int far _Cdecl gothic_font_far[]; #ifdef __cplusplus } #endif #endif |
