// Objects.cc // Gloobs example program // // demonstrates the use of Gloobs objects // // by Smylers // 2000 Jan 10: original version // 2000 Jan 17: improved comments #include int main() { Gloobs::Canvas Seascape(Gloobs::X11, 400, 200, "Boats"); // define the colours used int the picture: int Sea = Seascape.ink(0.2, 0.5, 0.8); int Hull = Seascape.ink(0.7, 0.6, 0.4); int Mast = Seascape.ink(0.5, 0.3, 0.2); int Sail = Seascape.ink(0.9, 0.0, 0.0); Seascape.set_background(Sea); // declare Boat as a Gloobs Object: Gloobs::Object Boat; // add primitives to the boat: double HullCoords[] = { 15, 0, 5, 15, 60, 15, 50, 0 }; Boat.push_back(new Gloobs::Polygon(Hull, Gloobs::Filled, 4, HullCoords)); Boat.push_back(new Gloobs::Line(Mast, 4, 35, 15, 35, 60)); Boat.push_back (new Gloobs::Triangle(Sail, Gloobs::Filled, 0, 25, 35, 60, 35, 25)); // now draw the boat on the canvas: Seascape.draw_object(Boat); Seascape.pause(); // lets have another one, in a different place: Seascape.draw_object(Boat, 300, 100); Seascape.pause(); // and another couple, scaled to other sizes: Seascape.draw_object(Boat, 100, 20, 2.5); Seascape.draw_object(Boat, 20, 120, 0.7); Seascape.pause(); return 0; }