Method zoomToRect

modules/QtPDF/src/PDFDocumentView.cpp:631–641

void PDFDocumentView::zoomOut(const QGraphicsView::ViewportAnchor anchor /* = QGraphicsView::AnchorViewCenter */) { zoomBy(2.0/3.0, anchor); }

void PDFDocumentView::zoomToRect(QRectF a_rect)
{
  // NOTE: The argument, `a_rect`, is assumed to be in _scene coordinates_.
  fitInView(a_rect, Qt::KeepAspectRatio);

  // Since we passed `Qt::KeepAspectRatio` to `fitInView` both x and y scaling
  // factors were changed by the same amount. So we'll just take the x scale to
  // be the new `_zoomLevel`.
  _zoomLevel = transform().m11();
  emit changedZoom(_zoomLevel);
}

void PDFDocumentView::zoomFitWindow()
{