QString format = pixelformats.at(i).section(':', 0, 0);
QStringList sizes = pixelformats.at(i).split(':', QString::SkipEmptyParts);
pixelFormat = sizes.takeFirst();
QString format = pixelformats.at(i).section(':', 0, 0);
QStringList sizes = pixelformats.at(i).split(':', QString::SkipEmptyParts);
pixelFormat = sizes.takeFirst();