Method saveAsImage

src/openms_gui/source/VISUAL/Plot1DWidget.cpp:194–242

  }

  void Plot1DWidget::saveAsImage()
  {
    QString filter = "Raster images *.bmp *.png *.jpg *.gif (*.bmp *.png *.jpg *.gif);;Vector images *.svg (*.svg)";
    QString sel_filter;
    QString file_name = QFileDialog::getSaveFileName(this, "Save File", "", filter, &sel_filter);
    
    bool x_visible = x_scrollbar_->isVisible();
    bool y_visible = y_scrollbar_->isVisible();
    x_scrollbar_->hide();
    y_scrollbar_->hide();

    if (sel_filter.contains(".svg", Qt::CaseInsensitive)) // svg vector format
    {
      QSvgGenerator generator;
      generator.setFileName(file_name);
      generator.setSize(QSize(this->width(), this->height()));
      generator.setViewBox(QRect(0, 0, this->width() - 1, this->height() - 1));
      generator.setTitle(file_name);
      generator.setDescription("TOPPView generated SVG");
      QPainter painter;
      painter.begin(&generator);

      painter.save();
      painter.translate(QPoint(y_axis_->pos()));
      y_axis_->paint(&painter, new QPaintEvent(y_axis_->contentsRect()));
      painter.restore();

      painter.save();
      painter.translate(QPoint(canvas_->pos()));
      dynamic_cast<Plot1DCanvas*>(canvas_)->paint(&painter, new QPaintEvent(canvas_->contentsRect()));
      painter.restore();

      painter.save();
      painter.translate(QPoint(x_axis_->pos()));
      x_axis_->paint(&painter, new QPaintEvent(x_axis_->contentsRect()));
      painter.restore();

      painter.end();
      x_scrollbar_->setVisible(x_visible);
      y_scrollbar_->setVisible(y_visible);
    }
    else // raster graphics formats
    {
      QPixmap pixmap = this->grab();
      x_scrollbar_->setVisible(x_visible);
      y_scrollbar_->setVisible(y_visible);
      pixmap.save(file_name);
    }
  }

} //namespace