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), 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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      // create temporary file names
      String[] tempFileInfo = createTempFile();
      String fileName = tempFileInfo[AbstractChartComponent.FILENAME_INDEX];
      String filePathWithoutExtension = tempFileInfo[AbstractChartComponent.FILENAME_WITHOUT_EXTENSION_INDEX];


      ChartRenderingInfo info = new ChartRenderingInfo( new StandardEntityCollection() );
      JFreeChartEngine.saveChart( chartDataDefinition, chartTitle,
          "", filePathWithoutExtension, width, height, JFreeChartEngine.OUTPUT_PNG, printWriter, info, this ); //$NON-NLS-1$
      applyOuterURLTemplateParam();
      populateInfo( info );
      Element chartElement = root.addElement( "chart" ); //$NON-NLS-1$

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      final boolean isIE = BrowserDetection.isIE((HttpServletRequest) pageContext.getRequest());
      if (hasToolTips()) {
        enableToolTips(out, isIE);
      }
      out.write("<MAP name=\"" + chartId + "\">\n");
      ChartRenderingInfo info = (ChartRenderingInfo) root.getRenderingInfo();
      Iterator entities = info.getEntityCollection().iterator();
      while (entities.hasNext()) {
        ChartEntity ce = (ChartEntity) entities.next();
        out.write("\n<AREA shape=\"" + ce.getShapeType() + "\" ");
        out.write("COORDS=\"" + ce.getShapeCoords() + "\" ");
            if (ce instanceof XYItemEntity)

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   * @throws CewolfException
   */
  private static RenderedImage renderChart(ChartImage cd, Object chart) throws CewolfException {
    try {
      final ByteArrayOutputStream baos = new ByteArrayOutputStream();
      final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
      final String mimeType = cd.getMimeType();
      if (MIME_PNG.equals(mimeType)) {
        handlePNG(baos, (JFreeChart)chart, cd.getWidth(), cd.getHeight(), info);
      } else if (MIME_JPEG.equals(mimeType)) {
          handleJPEG(baos, (JFreeChart)chart, cd.getWidth(), cd.getHeight(), info);

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      }
      
      return new RenderedImage(
        out.toByteArray(),
        "image/jpeg",
        new ChartRenderingInfo(new StandardEntityCollection()));
    } catch (IOException ioex) {
      log.error(ioex);
      throw new ChartRenderingException(ioex.getMessage(), ioex);
    }
  }

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    int altura = 400;


    
    //armazena o mapa da figura para poder navegar no mesmo
    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
    
        try {
      ChartUtilities.writeChartAsPNG(bytes, grafico , comp, altura, info);
    } catch (IOException ioe) {
      this.logger.info("Erro ao tentar gerar o gr�fico de realizado por exerc�cio");

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      this.height = myChart.height;
      this.width = myChart.width;


      //armazena o mapa da figura para poder navegar no mesmo
      ByteArrayOutputStream bytes = new ByteArrayOutputStream();
      final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());


      try {
        ChartUtilities.writeChartAsPNG(bytes, grafico , myChart.width, myChart.height, info);
      } catch (IOException ioe) {
        this.logger.info("Erro ao tentar gerar o gr�fico de realizado por exerc�cio");

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    // create temporary file names
    String[] tempFileInfo = createTempFile();
    String fileName = tempFileInfo[AbstractChartComponent.FILENAME_INDEX];
    String filePathWithoutExtension = tempFileInfo[AbstractChartComponent.FILENAME_WITHOUT_EXTENSION_INDEX];


    ChartRenderingInfo info = new ChartRenderingInfo( new StandardEntityCollection() );
    JFreeChartEngine.saveChart( chartDataDefinition, chartTitle,
        "", filePathWithoutExtension, width, height, JFreeChartEngine.OUTPUT_PNG, printWriter, info, this ); //$NON-NLS-1$
    applyOuterURLTemplateParam();
    populateInfo( info );
    Element chartElement = root.addElement( "chart" ); //$NON-NLS-1$

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    // create temporary file names
    String[] tempFileInfo = createTempFile();
    String fileName = tempFileInfo[AbstractChartComponent.FILENAME_INDEX];
    String filePathWithoutExtension = tempFileInfo[AbstractChartComponent.FILENAME_WITHOUT_EXTENSION_INDEX];


    ChartRenderingInfo info = new ChartRenderingInfo( new StandardEntityCollection() );
    JFreeChartEngine.saveChart( chartDataDefinition, chartTitle,
        "", filePathWithoutExtension, width, height, JFreeChartEngine.OUTPUT_PNG, printWriter, info, this ); //$NON-NLS-1$
    applyOuterURLTemplateParam();
    populateInfo( info );
    Element chartElement = root.addElement( "chart" ); //$NON-NLS-1$

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