void HelpWindowWidget::emitZoomRelatedSignals()
{
// Let the user know whether we are not at the default zoom level and
// whether we can still zoom out
emit notDefaultZoomLevel(mZoomLevel != DefaultZoomLevel);
emit zoomOutEnabled(mZoomLevel != MinimumZoomLevel);
}
void LocMicView::scaleImage(float factor)
{
if(scaleFactor_ > 1.5 && factor > 1.0) {
emit zoomInEnabled(false);
return;
} else if(scaleFactor_ < 0.25 && factor < 1.0) {
emit zoomOutEnabled(false);
return;
} else {
emit zoomInEnabled(true);
emit zoomOutEnabled(true);
}
Q_ASSERT(imageWidget_->pixmap());
scaleFactor_ *= factor;
imageWidget_->scale(scaleFactor_);
adjustScrollBar(this->horizontalScrollBar(), factor);
adjustScrollBar(this->verticalScrollBar(), factor);
}
