Method updateImage

YACReader/magnifying_glass.cpp:31–37

}

void MagnifyingGlass::updateImage(int x, int y)
{
    auto *const viewer = qobject_cast<const Viewer *>(parentWidget());
    QImage img = viewer->grabMagnifiedRegion(QPoint(x, y), size(), zoomLevel);
    setPixmap(QPixmap::fromImage(img));
    move(static_cast<int>(x - float(width()) / 2), static_cast<int>(y - float(height()) / 2));
}

void MagnifyingGlass::updateImage()
{