docs: private void buttonZoomOutYActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_buttonZoomOutYActionPerformed
          graphCanvas.setSize(new Dimension(graphCanvas.getWidth(), (int)(graphCanvas.getHeight()*0.8)));
          graphCanvas.setPreferredSize(new Dimension(graphCanvas.getWidth(), (int)(graphCanvas.getHeight()*0.8)));
          graphCanvas.updateCanvas(true);
      }