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//! [0]
QImageReader reader;
reader.setFormat("png"); // same as reader.setFormat("PNG");
//! [0]


//! [1]
QImageReader reader("image.png");
// reader.format() == "png"
//! [1]


//! [2]
QImage icon(64, 64, QImage::Format_RGB32);
QImageReader reader("icon_64x64.bmp");
if (reader.read(&icon)) {
    // Display icon
}
//! [2]


//! [3]
QImageReader reader(":/image.png");
if (reader.supportsOption(QImageIOHandler::Size))
    qDebug() << "Size:" << reader.size();
//! [3]