program_7_1.cpp

c++程序设计讲义 cppprograming 含源码

// program 7.1: user-defined class
#include <rect.h>
SimpleWindow W("MAIN WINDOW", 8.0, 8.0);
int ApiMain() {
    W.Open();
    RectangleShape R(W, 4.0, 4.0, Blue, 2.0, 3.0);
    R.Draw();
    return 0;
}