#ifndef XSIMPLE_H
#define XSIMPLE_H

#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/XShm.h>
#define XK_LATIN1
#define XK_MISCELLANY
#include <X11/keysymdef.h>

typedef struct {
    Display *d;
    int s;
    Visual *v;
    int depth;
    Colormap cmap;
    Window w;
    Pixmap pmap;
    GC gc;
    int dwidth, dheight;
    int x, y, width, height;
    int bwidth, twidth;
    int r_max, g_max, b_max;
    int r_shift, g_shift, b_shift;
    unsigned long p_red[256], p_green[256], p_blue[256];
    unsigned long egacolor[64];
    int sig;
} XVARS;

extern XVARS xv;

void xinit(char *appname, char *classname, char *winname,
	int x, int y, int width, int height, int resizable,
	char *bgcolor, char *fgcolor, long evtmask);
void mapwindow(void);
int getevent(XEvent *event);
void doexpose(XEvent *event);
void update(int x, int y, int width, int height);

/* pixmap.c */

Pixmap mkpixmap(int width, int height, int depth);
void rmpixmap(Pixmap pmap);
void putpixmap(Pixmap pmap, int src_x, int src_y, int dst_x, int dst_y,
	int width, int height);

/* image.c */

XImage *mkximage(int width, int height, int depth, int *pad);
void rmximage(XImage *img);
void putximage(XImage *img, int src_x, int src_y, int dst_x, int dst_y,
	int width, int height);
unsigned long pgetximage(XImage *img, int x, int y);
void psetximage(XImage *img, int x, int y, unsigned long pixel);

/* draw.c */

void setlinewidth(int width);
void cls(unsigned long pixel);
void pset(int x, int y, unsigned long pixel);
void line(int x1, int y1, int x2, int y2, unsigned long pixel);
void poly(XPoint *points, int npoints, unsigned long pixel);
void fillpoly(XPoint *points, int npoints, unsigned long pixel);
void rect(int x, int y, int width, int height, unsigned long pixel);
void fillrect(int x, int y, int width, int height, unsigned long pixel);
void ellipse(int x, int y, int width, int height, unsigned long pixel);
void fillellipse(int x, int y, int width, int height, unsigned long pixel);
void string(int x, int y, char *s, unsigned long pixel);
void imgstring(int x, int y, char *s, unsigned long bgpixel,
	unsigned long fgpixel);

/* font.c */

XFontStruct *getfont(char *name);
void setfont(XFontStruct *fontinfo);

/* color.c */

#define BLACK		xv.egacolor[0]
#define BLUE		xv.egacolor[1]
#define GREEN		xv.egacolor[2]
#define CYAN		xv.egacolor[3]
#define RED		xv.egacolor[4]
#define MAGENTA		xv.egacolor[5]
#define BROWN		xv.egacolor[20]
#define LIGHTGRAY	xv.egacolor[7]
#define GRAY		xv.egacolor[56]
#define LIGHTBLUE	xv.egacolor[57]
#define LIGHTGREEN	xv.egacolor[58]
#define LIGHTCYAN	xv.egacolor[59]
#define LIGHTRED	xv.egacolor[60]
#define LIGHTMAGENTA	xv.egacolor[61]
#define YELLOW		xv.egacolor[62] 
#define WHITE		xv.egacolor[63]

#define GETPIXEL(red, green, blue) \
	(xv.p_red[red] | xv.p_green[green] | xv.p_blue[blue])

void mkrgbtable(unsigned long p_red[], unsigned long p_green[], 
	unsigned long p_blue[], int maxval);
unsigned long getnamedcolor(char *name, XColor *color);
void initcolors(void);

/* misc.c */

void settitle(char *s);

#endif
.