SC-2

//g++ -o hexa hexa.cpp -lX11 -L/usr/X6R11/lib -l /usr/X6R11/include
#include <stdlib.h>
#include <stdio.h>
#include <iostream>
#include <X11/Xlib.h>
#include <assert.h>
#include <unistd.h>

#define NIL (0)

using namespace std;

int main(){

Display *dpy = XOpenDisplay(NIL);
assert(dpy);

int blackColor = BlackPixel(dpy,DefaultScreen(dpy));
int whiteColor = WhitePixel(dpy,DefaultScreen(dpy));

printf("Window height, width: \n");
int height,width;
scanf("%d %d",&height,&width);

printf("Window Layout, 0 = white, 1 = black: ");
int input;
scanf("%d",&input);

if(input == 1){
    Window w = XCreateSimpleWindow(dpy,DefaultRootWindow(dpy),0,0,height,width,0,blackColor,blackColor);
    XSelectInput(dpy,w,StructureNotifyMask);
    XMapWindow(dpy,w);

    GC gc = XCreateGC(dpy,w,0,NIL);
    XSetForeground(dpy,gc,whiteColor);
} else if(input==0){
    Window w = XCreateSimpleWindow(dpy,DefaultRootWindow(dpy),0,0,height,width,0,whiteColor,whiteColor);
    XSelectInput(dpy,w,StructureNotifyMask);
    XMapWindow(dpy,w);

    GC gc = XCreateGC(dpy,w,0,NIL);
    XSetForeground(dpy,gc,blackColor);
} else {
    printf("%d not found...\nError\n",&input);
    return input;
}

for(;;){
    XEvent e;
    XNextEvent(dpy,&e);
    if(e.type == MapNotify)
        break;
}

//Main goes here...
    double r,a;
    cout << "Repeat: ";
    cin >> r;
    cout << "Amount: ";
    cin >> a;

    for(double yi=0;yi<r;yi++){
        yi=sin(yi);
        yi=yi*a;
        for(double xi=0;xi<r;xi++){
            xi=sin(xi);
            xi=xi*a;
            XDrawPoint(dis,win,gc,xi,yi);
        }
    }

    XFlush(dpy);
    sleep(1);
}
cin.ignore().get();

return 0;
}