olympic rings [fltk]

Bjarne Stroustrup “Programming Principles and Practice Using C++”
Chapter 12 Exercise 8
Using GUI library called FLTK (Fast Light Tool Kit, “full tick”).

Output:

[code language=”cpp”]
// Philipp Siedler
// Bjarne Stroustrup’s PP
// Chapter 12 Exercise 8

#include "Simple_window.h"
#include "Graph.h"
using namespace Graph_lib;

int main()
try
{
Point tl(100, 100);
Simple_window win(tl, 600, 400, "Canvas");

Circle c0(Point(150, 200), 50);
c0.set_color(Color::blue);
Circle c1(Point(230, 200), 50);
c1.set_color(Color::black);
Circle c2(Point(310, 200), 50);
c2.set_color(Color::red);
Circle c3(Point(190, 280), 50);
c3.set_color(Color::green);
Circle c4(Point(270, 280), 50);
c4.set_color(Color::yellow);

win.attach(c0);
win.attach(c1);
win.attach(c2);
win.attach(c3);
win.attach(c4);

win.wait_for_button();
}
catch (exception& e) {
cout << e.what() << endl;
return 1;
}
catch (…) {
cout << "Exiting" << endl;
return 2;
}
[/code]

Leave a Reply