Examples of org.jfree.chart.ChartRenderingInfo

org.jfree.chart.ChartRenderingInfo
A structure for storing rendering information from one call to the JFreeChart.draw() method.
An instance of the {@link JFreeChart} class can draw itself within anarbitrary rectangle on any Graphics2D. It is assumed that client code will sometimes render the same chart in more than one view, so the {@link JFreeChart} instance does not retain any information about itsrendered dimensions. This information can be useful sometimes, so you have the option to collect the information at each call to JFreeChart.draw(), by passing an instance of this ChartRenderingInfo class.

                    new Double(4.5), new Double(-0.5), new Double(5.5),
                    null), "S1", "C1");
            CategoryPlot plot = new CategoryPlot(dataset,
                    new CategoryAxis("Category"), new NumberAxis("Value"),
                    new BoxAndWhiskerRenderer());
            ChartRenderingInfo info = new ChartRenderingInfo();
            JFreeChart chart = new JFreeChart(plot);
            /* BufferedImage image = */ chart.createBufferedImage(300, 200,
                    info);
            success = true;
        }

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                    null, new Double(-0.5), new Double(5.5),
                    null), "S1", "C1");
            CategoryPlot plot = new CategoryPlot(dataset,
                    new CategoryAxis("Category"), new NumberAxis("Value"),
                    new BoxAndWhiskerRenderer());
            ChartRenderingInfo info = new ChartRenderingInfo();
            JFreeChart chart = new JFreeChart(plot);
            /* BufferedImage image = */ chart.createBufferedImage(300, 200,
                    info);
            success = true;
        }

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                    new Double(4.5), null, new Double(5.5),
                    null), "S1", "C1");
            CategoryPlot plot = new CategoryPlot(dataset,
                    new CategoryAxis("Category"), new NumberAxis("Value"),
                    new BoxAndWhiskerRenderer());
            ChartRenderingInfo info = new ChartRenderingInfo();
            JFreeChart chart = new JFreeChart(plot);
            /* BufferedImage image = */ chart.createBufferedImage(300, 200,
                    info);
            success = true;
        }

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                    new Double(4.5), new Double(-0.5), null,
                    new java.util.ArrayList()), "S1", "C1");
            CategoryPlot plot = new CategoryPlot(dataset,
                    new CategoryAxis("Category"), new NumberAxis("Value"),
                    new BoxAndWhiskerRenderer());
            ChartRenderingInfo info = new ChartRenderingInfo();
            JFreeChart chart = new JFreeChart(plot);
            /* BufferedImage image = */ chart.createBufferedImage(300, 200,
                    info);
            success = true;
        }

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   * Gets space used by legend and headers if any
   * 
   * @return
   */
  public double getNonPlotHeight() {
    ChartRenderingInfo info = getChartRenderingInfo();
    return info.getChartArea().getHeight() - info.getPlotInfo().getDataArea().getHeight();
  }

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        if(_imageData == null) {
            try {
                JFreeChart chart = chart();
                if(chart != null) {
                    ByteArrayOutputStream imageStream = new ByteArrayOutputStream();
                    ChartRenderingInfo info = null;
                    if(showToolTips() || showUrls()) {
                        info = new ChartRenderingInfo(new StandardEntityCollection());
                    }
                    if("image/jpeg".equals(imageType())) {
                        ChartUtilities.writeChartAsJPEG(imageStream, chart, width(), height(), info);
                    } else {
                        ChartUtilities.writeChartAsPNG(imageStream, chart, width(), height(), info, true, 0);

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                    p = (Paint) this.sectionPaints.get(key);
                }
                piePlot.setSectionPaint(key, p);
            }


            ChartRenderingInfo subinfo = null;
            if (info != null) {
                subinfo = new ChartRenderingInfo();
            }
            this.pieChart.draw(g2, rect, subinfo);
            if (info != null) {
                info.getOwner().getEntityCollection().addAll(
                        subinfo.getEntityCollection());
                info.addSubplotInfo(subinfo.getPlotInfo());
            }


            ++column;
            if (column == displayCols) {
                column = 0;

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           chart = ec.createWallclockChart( ""+this.getExperiment().getEntityID() );
           // Pick into the session...
           HttpServletRequest request = (HttpServletRequest)FacesContext.getCurrentInstance().getExternalContext().getRequest();
           HttpSession session = request.getSession();
           //  Write the chart image to the temporary directory
           ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
           this.graphId = ServletUtilities.saveChartAsPNG(chart, 600, 500, info, session);
           this.graphImageMap = ChartUtilities.getImageMap(graphId, info);
           this.graphUrl = request.getContextPath() + "/servlet/DisplayChart?filename=" + graphId;
           return this.graphUrl;
       } catch ( Exception e ) {

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        // change the auto tick unit selection to integer units only...
        NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
        rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        
        //change the chart to a bufferedImage
        ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
        BufferedImage image = chart.createBufferedImage(width, height, info);
        
        return image;
    }

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        // change the auto tick unit selection to integer units only...
        NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
        rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        
        //change the chart to a bufferedImage
        ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
        BufferedImage image = chart.createBufferedImage(width, height, info);
        
        return image;
    }

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