void Converter::convert(QString inputFileName, QString outputFileName)
{
    QImage inImg, monoImg, outImg;

    inImg.load(inputFileName);

    monoImg = inImg.convertToFormat(QImage::Format_Mono, Qt::MonoOnly);
    outImg = monoImg.scaled(264, 176, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);

    outImg.save(outputFileName, "XBM");
}