Category : C Source Code
Archive   : DRAWFN3S.ZIP
Filename : GRAPHGNG.H

/*************************************************************************
* Global definitions of GraphGen.c for all the world... *
*************************************************************************/

#ifndef GRAPH_GEN_H /* Define only once */
#define GRAPH_GEN_H

#ifndef __MSDOS__
#define FULL_LINE_STYLE 1
#define DOTTED_LINE_STYLE 2
#endif /* __MSDOS__ */

/* The following conditional compilation flags are also in GraphGen.c! */
/* #define NOGRAPHICS /* If no graphics to perform (only routine calls). */
/* #define NOWINDOWS /* If no windows routines to be included. */
/* #define NOMENUS /* If no menus routines to be included. */
/* #define NOHELP /* If no print help routines to be included. */
/* #define DEBUG /* Print graphics driver info and dies... */
#define SINGLEPAGE /* If more than one pages should be supported. */

#define MENU_MAX_ITEMS 14 /* Maximum number of items in menu. */
#define MENU_MAX_LEN 20 /* Maximum length of string entry. */

typedef struct MenuItem {
int color;
char string[MENU_MAX_LEN];
} MenuItem;

extern int GGGraphMode; /* The Graphics mode value. */
extern double GGAspectRatio; /* Aspect ratio of a pixel in the screen. */
extern int GGScreenMaxX, GGScreenMaxY;/* The maximum res. of the screen. */
extern int GGScreenMaxColors; /* The maximum # of colors available. */
extern int GGScreenMaxPages; /* The maximum # of pages available. */
extern int GGScreenErrorCode; /* Reports any graphics errors. */
extern struct palettetype palette; /* Used to read palette info. */
extern int GGCurrentCursorX, GGCurrentCursorY;/* Cursor current position.*/
extern int GGScreenGraphicMode; /* TRUE if current mode is graphic. */

#ifndef TRUE
#define TRUE -1
#define FALSE 0
#endif

#define MSG_AREA_X 1.25 /* General notes goes to here... */
#define MSG_AREA_Y -0.9
#define MSG_AREA_WIDTH 0.7

#define MAX_HELP_MENU_CHAR 20 /* Maximum of chars per help line. */

#define MENU_FRAME_COLOR RED
#define HELP_COLOR CYAN
#define HELP_COLOR_HEADER YELLOW

#ifndef NOWINDOWS

#define SW_MIN_X 1.2 /* The STATUS window. */
#define SW_MAX_X 2.0
#define SW_MIN_Y -0.97
#define SW_MAX_Y 0.97
#define SW_FRAME_COLOR LIGHTRED
#define SW_LINE_COLOR MAGENTA


#define VW_MIN_X -0.97 /* The VIEW window. */
#define VW_MAX_X 1.1
#define VW_MIN_Y -0.97
#define VW_MAX_Y 0.97
#define VW_FRAME_COLOR LIGHTGREEN
#define VW_LINE_COLOR GREEN

#endif NOWINDOWS

/* And finally the external routine prototypes: */

void GGMyMove(double x, double y);
void GGMyDraw(double x, double y);
void GGMySetColor(int color);
#ifdef __MSDOS__
void GGInitGraph(void);
#else
void GGInitGraph(int argc, char **argv);
void GGMySetLineStyle(int Style);
#endif /* __MSDOS__ */
void GGCloseGraph(void);
void GGGetPoint(double *x, double *y);
void GGDrawPoint(double p[], char title[], int PointColor);

#ifndef NOMENUS
int GGMenuDraw(int n, struct MenuItem m[], int erase);
int GGMenuPick(void);
int GGConfirm(char *s);
#endif NOMENUS

#ifndef NOHELP
void GGPrintHelpMenu(char *FileName, char *MenuName);
#endif NOHELP

void GGClearMenuArea(void);
void GGClearViewArea(void);
void GGClearAllScreen(void);
void GGViewPortMenuArea(void);
void GGViewPortViewArea(void);
void GGViewPortAllScreen(void);
void GGPutErrorMsg(char *s);
void GGPutMsgXY(char *s, double x, double y);
void GGGetGraphicLine(double x, double y, char s[], int color);
void GGTone(int Frequency, int Duration);

#define GGXYPutStr(x, y, s) GGPutMsgXY(s, x, y)/* Same duty - different name.*/

#endif GRAPH_GEN_H