main.cpp

QT4 gui programming的随书光盘

#include <QApplication>
#include <iostream>

#include "teapots.h"

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    if (!QGLFormat::hasOpenGL()) {
        std::cerr << "This system has no OpenGL support" << std::endl;
        return 1;
    }

    if (!QGLFramebufferObject::hasOpenGLFramebufferObjects()) {
        std::cerr << "This system has no framebuffer object support"
                  << std::endl;
        return 1;
    }

    Teapots teapots;
    teapots.setWindowTitle(QObject::tr("Teapots"));
    teapots.resize(400, 400);
    teapots.show();

    return app.exec();
}