main.cpp

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// ======================================================================
//  main.cpp
// ======================================================================
//                   This file is a part of the book 
//             "Qt 5.10 Professional programming with C++"
//                       http://qt-book.com
// ======================================================================
//  Copyright (c) 2017 by Max Schlee
// ======================================================================

#include <QtWidgets>

// ----------------------------------------------------------------------
int main(int argc, char** argv)
{
    QApplication app(argc, argv);
    QScrollArea  sa;

    QWidget*     pwgt = new QWidget;
    QPixmap      pix(":/img.jpg");

    QPalette pal;
    pal.setBrush(pwgt->backgroundRole(), QBrush(pix));
    pwgt->setPalette(pal);
    pwgt->setAutoFillBackground(true);
    pwgt->setFixedSize(pix.width(), pix.height());

    sa.setWidget(pwgt);
    sa.resize(350, 150);
    sa.show();

    return app.exec();
}