/** Return an image with the gantt chart */
// TODO: 1.11 take into account flags "render this and don't render that"
public BufferedImage getChart(GanttExportSettings settings) {
RenderedChartImage renderedImage = (RenderedChartImage) getRenderedImage(settings);
BufferedImage result = renderedImage.getWholeImage();
repaint();
return result;
}