#include <stdio.h>

#define KGFlarge 14
#define KGFgiant 16

#define A4W 595
#define A4H 842

/* public variables */

extern int col[128];  /* color number for default mapped color        */
extern int white;     /* color number for white                       */
extern int black;     /* color number for black                       */
extern int red;       /* color number for red                         */
extern int green;     /* color number for green                       */
extern int blue;      /* color number for blue                        */
extern int pwhite;    /* color number for pseudo white (black in eps) */
extern int pblack;    /* color number for pseudp black (white in eps) */
extern int yellow;    /* color number for yellow                      */
extern int cyan;      /* color number for cyan                        */
extern int magenta;   /* color number for magenta                     */
extern int gray;      /* color number for gray                        */
extern int lgray;     /* color number for light gray                  */
extern int dgray;     /* color number for dark gray                   */

/* image open */

void KGopen(int w,int h,char *colormap,char *output,FILE *fp);
  /* int w,h        ... image width and height                   */
  /* char *colormap ... colormap selecte ("none","color","mono") */
  /* char *output   ... output format ("gif","eps")              */
  /* FILE *fp       ... pointer for output file                  */

/* image close */

void KGclose(void);

/* colormap setting */

int KGcolormap(int red,int green,int blue);
  /* int red   ... intensity (0-255)              */
  /* int green ... intensity (0-255)              */
  /* int blue  ... intensity (0-255)              */
  /* [return]  ... allocated number for the color */

/* drawing line */

void KGline(int x0,int y0,int x1,int y1,int color);
  /* int x0,y0 ... start point */
  /* int x1,y1 ... stop point  */
  /* int color ... color       */

/* drawing arc */

void KGarc(int x,int y,int rw,int rh ,int as,int ae,int color);
  /* int x,y   ... center point         */
  /* int rw,rh ... arc width and height */
  /* int as,ae ... start and stop angle */
  /* int color ... color                */ 

/* drawing string */

void KGstring(int font,int x,int y,int orig,char *str,int color);
  /* int font  ... font height              */
  /* int x,y   ... drawing position         */
  /* int orig  ... original point of string */
  /* char *str ... content of string        */
  /* int color ... color                    */

/* Selecting TTF font for PNG */

void KGpngfont(char *str);
  /*  char *str ... Location of TTF font (full path) */

/* drawing box (filled) */

void KGbox(int x0,int y0,int x1,int y1,int color);
  /* int x0,y0 ... start point */
  /* int x1,y1 ... stop point  */
  /* int color ... color       */

/* drawing frame (empty box) */

void KGframe(int x0,int y0,int x1,int y1,int color);
  /* int x0,y0 ... start point */
  /* int x1,y1 ... stop point  */
  /* int color ... color       */