Method decreaseZoomFactor

YACReader/viewer.cpp:500–514

    emit zoomUpdated(zoom);
}
void Viewer::decreaseZoomFactor()
{
    zoom = std::max(zoom - 10, 30);

    if (continuousScroll) {
        continuousViewModel->setZoomFactor(zoom);
        continuousWidget->invalidateScaledImageCache();
    } else {
        updateContentSize();
    }
    notificationsLabel->setText(QString::number(getZoomFactor()) + "%");
    notificationsLabel->flash();

    emit zoomUpdated(zoom);
}

int Viewer::getZoomFactor()
{