char black=0;
char white=1;
char blue=2;
char darkgray=3;
char gray=4;

void pix(int x, int y, int c){
	XSetForeground(disp,gc,pixel[c]);	  
	XDrawPoint(disp,win,gc,x,y);
}	  

void rect(int x, int y, int w, int h, int c, int c2) {
	XSetForeground(disp,gc,pixel[c]);
	XDrawLine(disp,win,gc,x,y,x+w,y);
	XDrawLine(disp,win,gc,x,y,x,y+h);
	XSetForeground(disp,gc,pixel[c2]);
	XDrawLine(disp,win,gc,x,y+h,x+w,y+h);
	XDrawLine(disp,win,gc,x+w,y,x+w,y+h);
}	  

void fillrect(int x, int y, int w, int h, int c) {
	int b;
	XSetForeground(disp,gc,pixel[c]);	  
	for (b=y;b<y+h;b++) XDrawLine(disp,win,gc,x,b,x+w,b);
}