graphics.h

来自「linux下想使用turboc的人有福了」· C头文件 代码 · 共 672 行 · 第 1/2 页

#define NORM_WIDTH 1
#define THICK_WIDTH 3

enum font_names
{
  DEFAULT_FONT = 0,
  TRIPLEX_FONT = 1,
  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,
  MAX_FONT = 11
};

// Text directions.
#define HORIZ_DIR 0
#define VERT_DIR 1

// Text justification.
#define LEFT_TEXT 0
#define BOTTOM_TEXT 0
#define CENTER_TEXT 1
#define RIGHT_TEXT 2
#define TOP_TEXT 2

// Fill styles.
#define EMPTY_FILL 0
#define SOLID_FILL 1
#define LINE_FILL 2
#define LTSLASH_FILL 3
#define SLASH_FILL 4
#define BKSLASH_FILL 5
#define LTBKSLASH_FILL 6
#define HATCH_FILL 7
#define XHATCH_FILL 8
#define INTERLEAVE_FILL 9
#define WIDE_DOT_FILL 10
#define CLOSE_DOT_FILL 11
#define USER_FILL 12

//----------------------------------------------------------------------------
// Data types.

// A little toy of my own.
typedef struct
{
  gint r, g, b;
}
RgbStruct;

// The following are all datatypes defined by true Turbo C.

struct arccoordstype
{
  int x, y;
  int xstart, ystart, xend, yend;
};

struct palettetype
{
  guchar size;
  gschar colors[MAXCOLORS + 1];
};

struct fillsettingstype
{
  int pattern;
  int color;
};

struct linesettingstype
{
  int linestyle;
  unsigned upattern;
  int thickness;
};

struct textsettingstype
{
  int font;
  int direction;
  int charsize;
  int horiz;
  int vert;
};

struct viewporttype
{
  int left, top, right, bottom;
  int clip;
};

// This is the structure which holds data for the getimage/putimage
// functions.  It is not used explicitly (or even defined) by true Turbo C
// but it's convenient for us to define it!  We keep a pool of these
// in an array (TcImageBuffers). 
#ifdef WITH_X
struct TcImageBuffer
{
  gushort Width;
  gushort Height;
  Pixmap Handle;
};
#endif // WITH_X

//----------------------------------------------------------------------------
// Function prototypes.

__BEGIN_DECLS
  
//
extern void arc (int x, int y, int stangle, int endangle, int radius);
extern void bar (int left, int top, int right, int bottom);
extern void bar3d (int left, int top, int right, int bottom,
		   int depth, int topflag);
extern void circle (int x, int y, int radius);
extern void cleardevice (void);
extern void clearviewport (void);
extern void closegraph (void);
extern void detectgraph (int *graphdriver, int *graphmode);
extern void drawpoly (int numpoints, int *polypoints);
extern void ellipse (int x, int y, int stangle, int endangle,
		     int xradius, int yradius);
extern void fillellipse (int x, int y, int xradius, int yradius);
extern void fillpoly (int numpoints, int *polypoints);
extern void floodfill (int x, int y, int border);
extern void getarccoords (struct arccoordstype *arccoords);
extern void getaspectratio (int *xasp, int *yasp);
extern int getbkcolor (void);
extern int getcolor (void);
extern const struct palettetype *getdefaultpalette (void);
extern const char *getdrivername (void);
extern void getfillpattern (char *pattern);
extern void getfillsettings (struct fillsettingstype *fillinfo);
extern int getgraphmode (void);
extern void getimage (int left, int top, int right, int bottom, void *bitmap);
//extern void freeimage (void *bitmap);
extern void getlinesettings (struct linesettingstype *lineinfo);
extern int getmaxcolor (void);
extern int getmaxmode (void);
#ifdef getmaxx
#undef getmaxx
#endif
extern int getmaxx (void);
#ifdef getmaxy
#undef getmaxy
#endif
extern int getmaxy (void);
extern char *getmodename (int mode_number);
extern void getmoderange (int graphdriver, int *lomode, int *himode);
extern unsigned getpixel (int x, int y);
extern void getpalette (struct palettetype *palette);
extern int getpalettesize (void);
extern void gettextsettings (struct textsettingstype *texttypeinfo);
extern void getviewsettings (struct viewporttype *viewport);
extern int getx (void);
extern int gety (void);
extern void graphdefaults (void);
extern void TcGraphDefaults (void);
extern int TcDefaultColors (int Pal);
extern char *grapherrormsg (int errorcode);
extern void _graphfreemem (void *ptr, unsigned size);
extern void *_graphgetmem (unsigned size);
extern int graphresult (void);
extern unsigned imagesize (int left, int top, int right, int bottom);
extern void initgraph (int *graphdriver, int *graphmode, char *pathtodriver);
extern int installuserdriver (char *name, int (*detect) (void));
extern int installuserfont (char *name);
extern void line (int x1, int y1, int x2, int y2);
extern void linerel (int dx, int dy);
extern void lineto (int x, int y);
extern void moverel (int dx, int dy);
extern void moveto (int x, int y);
extern void outtext (char *textstring);
extern void outtextxy (int x, int y, char *textstring);
extern void pieslice (int x, int y, int stangle, int endangle, int radius);
extern void putimage (int left, int top, void *bitmap, int op);
extern void putpixel (int x, int y, int color);
extern void rectangle (int left, int top, int right, int bottom);
extern int registerbgidriver (void (*driver) (void));
extern int registerbgifont (void (*font) (void));
extern void restorecrtmode (void);
extern void sector (int X, int Y, int StAngle, int EndAngle,
		    int XRadius, int YRadius);
extern void setactivepage (int page);
extern void setallpalette (struct palettetype *palette);
extern void setaspectratio (int xasp, int yasp);
extern void setbkcolor (int color);
extern void setcolor (int color);
extern void setfillpattern (char *upattern, int color);
extern void setfillstyle (int pattern, int color);
extern unsigned setgraphbufsize (unsigned bufsize);
extern void setgraphmode (int mode);
extern void setlinestyle (int linestyle, unsigned upattern, int thickness);
extern void setpalette (int colornum, int color);
extern void setrgbpalette (int colornum, int red, int green, int blue);
extern void settextjustify (int horiz, int vert);
extern void settextstyle (int font, int direction, int charsize);
extern void setusercharsize (int multx, int divx, int multy, int divy);
extern void setviewport (int left, int top, int right, int bottom, int clip);
extern void setvisualpage (int page);
extern void setwritemode (int mode);
extern int textheight (char *textstring);
extern int textwidth (char *textstring);

// Non-user-callable functions.  Really, just names for use as function
// parameters in the registerbgidriver and registerbgifont functions.
extern void CGA_driver (void);
extern void EGAVGA_driver (void);
extern void IBM8514_driver (void);
extern void Herc_driver (void);
extern void ATT_driver (void);
extern void PC3270_driver (void);
extern void triplex_font (void);
extern void small_font (void);
extern void sansserif_font (void);
extern void gothic_font (void);

__END_DECLS
//--------------------------------------------------------------------------
// Variables.
#ifdef TURBOC_VARIABLES_C
volatile int TcGraphicsInitialized = 0;
int TcCurrentGraphMode, TcGraphResult = grOk;
int TcXresolution, TcYresolution, TcPageCount, TcPaletteNum;
int TcDriver, TcVisualPage = 0, TcActivePage = 0;
int TcForegroundColor, TcBackgroundColor, TcDriver;
int TcViewLeft, TcViewTop, TcViewRight, TcViewBottom, TcViewClip;
int Tcx, Tcy, TcViewMaxx, TcViewMaxy;
int TcLastArcX = 0, TcLastArcY = 0, TcLastStangle = 0;
int TcLastEndangle = 0, TcLastRadius = 0;
int TcWritemode = 0, TcTextHoriz = 0, TcTextVert = 0;
struct linesettingstype TcLinestyle = { SOLID_LINE, 0xffff, NORM_WIDTH };
RgbStruct TcColors[256];
const RgbStruct TcColors2[2] = { XBLACK, XWHITE };
const RgbStruct TcColorsC0[4] = { XBLACK, XLIGHTGREEN, XLIGHTRED, XYELLOW };
const RgbStruct TcColorsC1[4] = { XBLACK, XLIGHTCYAN, XLIGHTMAGENTA, XWHITE };
const RgbStruct TcColorsC2[4] = { XBLACK, XGREEN, XRED, XBROWN };
const RgbStruct TcColorsC3[4] = { XBLACK, XCYAN, XMAGENTA, XLIGHTGRAY };
const RgbStruct TcColors4[4] = { XBLACK, XDARKGRAY, XLIGHTGRAY, XWHITE };
const RgbStruct TcColors16[16] = {
  XBLACK, XBLUE, XGREEN, XCYAN, XRED, XMAGENTA, XBROWN, XLIGHTGRAY,
  XDARKGRAY, XLIGHTBLUE, XLIGHTGREEN, XLIGHTCYAN, XLIGHTRED, XLIGHTMAGENTA,
  XYELLOW, XWHITE
};
const struct palettetype TcDefaultPalette2 = { 2, {BLACK, WHITE} };
const struct palettetype TcDefaultPaletteC0 =
  { 4, {BLACK, LIGHTGREEN, LIGHTRED, YELLOW} };
const struct palettetype TcDefaultPaletteC1 =
  { 4, {BLACK, LIGHTCYAN, LIGHTMAGENTA, WHITE} };
const struct palettetype TcDefaultPaletteC2 =
  { 4, {BLACK, GREEN, RED, BROWN} };
const struct palettetype TcDefaultPaletteC3 =
  { 4, {BLACK, CYAN, MAGENTA, LIGHTGRAY} };
const struct palettetype TcDefaultPalette4 =
  { 4, {BLACK, DARKGRAY, LIGHTGRAY, WHITE} };
const struct palettetype TcDefaultPalette16 = {
  16,
  {BLACK, BLUE, GREEN, CYAN, RED, MAGENTA, BROWN, LIGHTGRAY,
   DARKGRAY, LIGHTBLUE, LIGHTGREEN, LIGHTCYAN, LIGHTRED, LIGHTMAGENTA,
   YELLOW, WHITE}
};
struct palettetype TcCurrentPalette;
int TcTextFont, TcTextDirection, TcTextCharsize;
int TcTextMultX, TcTextDivX, TcTextMultY, TcTextDivY;
int TcFillStyle = SOLID_FILL, TcFillColor = 1;
char TcUserFillPattern[8] = { 255, 255, 255, 255, 255, 255, 255, 255 };
#ifdef WITH_X
//struct TcPixmapPoolRecord TcPixmapPool[MAX_TCIMAGEBUFS] = { { 0 } };
Display *TcDisplay;
Window TcWindow;
Pixmap TcPixmaps[16];
gint TcScreen;
GC TcGc;
Colormap TcColormap;
XColor TcXforeground, TcXbackground;
Pixmap TcTile;
#endif // WITH_X
#else // TURBOC_VARIABLES_C
extern volatile int TcGraphicsInitialized;
extern int TcCurrentGraphMode, TcGraphResult;
extern int TcXresolution, TcYresolution, TcPageCount, TcPaletteNum;
extern int TcDriver, TcVisualPage, TcActivePage;
extern int TcForegroundColor, TcBackgroundColor, TcDriver;
extern int TcViewLeft, TcViewTop, TcViewRight, TcViewBottom, TcViewClip;
extern int Tcx, Tcy, TcViewMaxx, TcViewMaxy;
extern int TcLastArcX, TcLastArcY, TcLastStangle;
extern int TcLastEndangle, TcLastRadius;
extern int TcWritemode, TcTextHoriz, TcTextVert;
extern struct linesettingstype TcLinestyle;
extern RgbStruct TcColors[256];
extern const RgbStruct TcColors2[2];
extern const RgbStruct TcColorsC0[4];
extern const RgbStruct TcColorsC1[4];
extern const RgbStruct TcColorsC2[4];
extern const RgbStruct TcColorsC3[4];
extern const RgbStruct TcColors4[4];
extern const RgbStruct TcColors16[16];
extern const struct palettetype TcDefaultPalette2;
extern const struct palettetype TcDefaultPaletteC0;
extern const struct palettetype TcDefaultPaletteC1;
extern const struct palettetype TcDefaultPaletteC2;
extern const struct palettetype TcDefaultPaletteC3;
extern const struct palettetype TcDefaultPalette4;
extern const struct palettetype TcDefaultPalette16;
extern struct palettetype TcCurrentPalette;
extern int TcTextFont, TcTextDirection, TcTextCharsize;
extern int TcTextMultX, TcTextDivX, TcTextMultY, TcTextDivY;
extern int TcFillStyle, TcFillColor;
extern char TcUserFillPattern[8];
#ifdef WITH_X
//extern struct TcPixmapPoolRecord TcPixmapPool[MAX_TCIMAGEBUFS];
extern Display *TcDisplay;
extern Window TcWindow;
extern Pixmap TcPixmaps[16];
extern gint TcScreen;
extern GC TcGc;
extern Colormap TcColormap;
extern XColor TcXforeground, TcXbackground;
extern Pixmap TcTile;
#endif // WITH_X
#endif // TURBOC_VARIABLES_C

#else // WITH_X

#include <graphics.h>

#endif // WITH_X

#endif // _INCLUDED_GRAPHICS_H