Example usage for org.jfree.chart ChartRenderingInfo ChartRenderingInfo

Introduction

In this page you can find the example usage for org.jfree.chart ChartRenderingInfo ChartRenderingInfo.

Prototype

public ChartRenderingInfo() 

Source Link

Document

Constructs a new ChartRenderingInfo structure that can be used to collect information about the dimensions of a rendered chart.

Usage

From source file:tl.lib.dataCollection.gui.TimeSeriesChart.java

public TimeSeriesChart(_CollectionGUIScenario scenario, String label, String description, String labelAxisY) {
    super(null);//from  ww  w .java 2 s  .  co  m
    this.sourceDescriptor = scenario.getSourceDescriptor();
    this.collection = new XYSeriesCollection();

    // ChartTheme currentTheme = new StandardChartTheme("JFree");
    ValueAxis timeAxis = new DateAxis("Time");
    timeAxis.setLowerMargin(0.02); // reduce the default margins
    timeAxis.setUpperMargin(0.02);
    NumberAxis valueAxis = new NumberAxis(labelAxisY);
    valueAxis.setAutoRangeIncludesZero(false); // override default

    XYToolTipGenerator toolTipGenerator = null;
    toolTipGenerator = StandardXYToolTipGenerator.getTimeSeriesInstance();

    XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(true, false);
    // XYURLGenerator urlGenerator = new StandardXYURLGenerator();
    renderer.setBaseToolTipGenerator(toolTipGenerator);
    // renderer.setURLGenerator(urlGenerator);

    this.plot = new XYPlot(collection, timeAxis, valueAxis, renderer);

    this.chart = new JFreeChart(null, JFreeChart.DEFAULT_TITLE_FONT, plot, true);
    // currentTheme.apply(chart);

    renderingInfo = new ChartRenderingInfo();

    this.scenario = scenario;
    this.description = description;
    this.label = label;
    this.selected = new Vector<SourceId>();
    default_all = true;
    super.setChart(chart);
}

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From source file:tl.lib.dataCollection.gui.NumXYChart.java

public NumXYChart(_CollectionGUIScenario scenario, String label, String description, String labelAxisY) {
    super(null);//from www . java 2s .c  o  m
    this.sourceDescriptor = scenario.getSourceDescriptor();
    this.collection = new XYSeriesCollection();

    // ChartTheme currentTheme = new StandardChartTheme("JFree");
    NumberAxis valueAxisX = new NumberAxis("Sample Number");
    valueAxisX.setAutoRangeIncludesZero(false); // override default
    NumberAxis valueAxisY = new NumberAxis(labelAxisY);
    valueAxisY.setAutoRangeIncludesZero(false); // override default

    XYToolTipGenerator toolTipGenerator = null;
    toolTipGenerator = new StandardXYToolTipGenerator();

    XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(true, false);
    // XYURLGenerator urlGenerator = new StandardXYURLGenerator();
    renderer.setBaseToolTipGenerator(toolTipGenerator);
    // renderer.setURLGenerator(urlGenerator);

    this.plot = new XYPlot(collection, valueAxisX, valueAxisY, renderer);

    this.chart = new JFreeChart(null, JFreeChart.DEFAULT_TITLE_FONT, plot, true);
    // currentTheme.apply(chart);

    renderingInfo = new ChartRenderingInfo();

    this.scenario = scenario;
    this.description = description;
    this.label = label;
    this.selected = new Vector<SourceId>();
    default_all = true;
    super.setChart(chart);
}

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From source file:org.adempiere.webui.apps.graph.jfreegraph.ChartRendererServiceImpl.java

@Override
public boolean renderPerformanceGraph(Component parent, int chartWidth, int chartHeight,
        final GoalModel goalModel) {
    GraphBuilder builder = new GraphBuilder();
    builder.setMGoal(goalModel.goal);/*from w  ww .  j a  v  a2 s.  c  om*/
    builder.setXAxisLabel(goalModel.xAxisLabel);
    builder.setYAxisLabel(goalModel.yAxisLabel);
    builder.loadDataSet(goalModel.columnList);
    JFreeChart chart = builder.createChart(goalModel.chartType);
    ChartRenderingInfo info = new ChartRenderingInfo();
    chart.getPlot().setForegroundAlpha(0.6f);
    if (goalModel.zoomFactor > 0) {
        chartWidth = chartWidth * goalModel.zoomFactor / 100;
        chartHeight = chartHeight * goalModel.zoomFactor / 100;
    }
    if (!goalModel.showTitle) {
        chart.setTitle("");
    }
    BufferedImage bi = chart.createBufferedImage(chartWidth, chartHeight, BufferedImage.TRANSLUCENT, info);
    try {
        byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);

        AImage image = new AImage("", bytes);
        Imagemap myImage = new Imagemap();

        myImage.setContent(image);
        parent.appendChild(myImage);

        int count = 0;
        for (Iterator<?> it = info.getEntityCollection().getEntities().iterator(); it.hasNext();) {
            ChartEntity entity = (ChartEntity) it.next();

            String key = null;
            if (entity instanceof CategoryItemEntity) {
                Comparable<?> colKey = ((CategoryItemEntity) entity).getColumnKey();
                if (colKey != null) {
                    key = colKey.toString();
                }
            } else if (entity instanceof PieSectionEntity) {
                Comparable<?> sectionKey = ((PieSectionEntity) entity).getSectionKey();
                if (sectionKey != null) {
                    key = sectionKey.toString();
                }
            }
            if (key == null) {
                continue;
            }

            Area area = new Area();
            myImage.appendChild(area);
            area.setCoords(entity.getShapeCoords());
            area.setShape(entity.getShapeType());
            area.setTooltiptext(entity.getToolTipText());
            area.setId(count + "_WG_" + key);
            count++;
        }

        myImage.addEventListener(Events.ON_CLICK, new EventListener<Event>() {
            public void onEvent(Event event) throws Exception {
                MouseEvent me = (MouseEvent) event;
                String areaId = me.getArea();
                if (areaId != null) {
                    List<GraphColumn> list = goalModel.columnList;
                    for (int i = 0; i < list.size(); i++) {
                        String s = "_WG_" + list.get(i).getLabel();
                        if (areaId.endsWith(s)) {
                            chartMouseClicked(goalModel.goal, list.get(i));
                            return;
                        }
                    }
                }
            }
        });
    } catch (Exception e) {
        log.log(Level.SEVERE, "", e);
        return false;
    }
    return true;
}

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From source file:org.toobsframework.pres.chart.ChartBuilder.java

public String buildAsImage(ChartDefinition chartDef, IRequest componentRequest, int width, int height)
        throws ChartException {
    JFreeChart chart = this.build(chartDef, componentRequest);
    if (width <= 0) {
        chartDef.getChartWidth();//from w ww . j  a  v  a2s . c om
    }
    if (height <= 0) {
        chartDef.getChartHeight();
    }

    String genFileName = chartDef.getId() + "-" + new Date().getTime() + ".png";
    String imageOutputFileName = configuration.getUploadDir() + genFileName;
    try {
        File imageOutputFile = new File(imageOutputFileName);
        OutputStream os = null;
        ChartRenderingInfo chartRenderingInfo = new ChartRenderingInfo();
        try {
            os = new FileOutputStream(imageOutputFile);
            ChartUtilities.writeChartAsPNG(os, chart, width, height, chartRenderingInfo);
        } finally {
            if (os != null) {
                os.close();
            }
        }
    } catch (FileNotFoundException e) {
        throw new ChartException(e);
    } catch (IOException e) {
        throw new ChartException(e);
    }

    return imageOutputFileName;
}

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From source file:nextapp.echo.chart.webcontainer.sync.component.ChartDisplayPeer.java

private String getImageMap(Component comp) {
    StringBuffer sb = new StringBuffer();

    ChartDisplay chartDisplay = (ChartDisplay) comp;

    Extent ewidth = (Extent) chartDisplay.getRenderProperty(ChartDisplay.PROPERTY_WIDTH);
    int width = ewidth != null ? ewidth.getValue() : ChartDisplayPeer.DEFAULT_WIDTH;

    Extent eheight = (Extent) chartDisplay.getRenderProperty(ChartDisplay.PROPERTY_HEIGHT);
    int height = ewidth != null ? eheight.getValue() : ChartDisplayPeer.DEFAULT_HEIGHT;

    JFreeChart chart = chartDisplay.getChart();
    BufferedImage image;/* w  w  w . j av  a  2s .  c om*/
    ChartRenderingInfo info = new ChartRenderingInfo();
    synchronized (chart) {
        image = chart.createBufferedImage(width, height, info);
    }
    EntityCollection coll = info.getEntityCollection();
    //        debug("About to show entities");
    //        for (int i = 0; i < coll.getEntityCount(); i++) {
    //           debug("Entity: " + coll.getEntity(i).getShapeCoords());
    //           debug("Entity: " + coll.getEntity(i).getShapeType());
    //           debug("Entity: " + coll.getEntity(i).getToolTipText());
    //        }
    sb.append("[");
    for (int i = 0; i < coll.getEntityCount(); i++) {
        if (i > 0) {
            sb.append(", ");
        }
        sb.append("{ shapeType: '" + coll.getEntity(i).getShapeType() + "'");
        sb.append(", shapeCoords: '" + coll.getEntity(i).getShapeCoords() + "'");
        sb.append(", actionCommand: '" + chartDisplay.getActionCommands()[i] + "'");
        sb.append(", toolTipText: '" + coll.getEntity(i).getToolTipText() + "'}");

    }
    sb.append("]");

    return sb.toString();
}

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From source file:ca.sqlpower.wabit.report.ChartRenderer.java

public boolean renderReportContent(Graphics2D g, double width, double height, double scaleFactor, int pageIndex,
        boolean printing, SPVariableResolver variablesContext) {

    if (printing) {
        // If we're printing a streaming query, we have to
        // print whatever's displayed.
        if (this.chartCache == null || (this.chartCache != null && !this.chartCache.getQuery().isStreaming())) {
            refresh(false);//from   w ww . ja v a  2  s  .  com
        }
    } else if (needsRefresh || this.chartCache == null) {
        // No chart loaded. Doing a refresh will trigger a new 
        // redraw later on.
        refresh();
        return false;
    }

    JFreeChart jFreeChart = null;
    try {
        jFreeChart = ChartSwingUtil.createChartFromQuery(chartCache);
        if (jFreeChart == null) {
            g.drawString("Loading...", 0, g.getFontMetrics().getHeight());
            return false;
        }

        Rectangle2D area = new Rectangle2D.Double(0, 0, width, height);

        // first pass establishes rendering info but draws nothing
        ChartRenderingInfo info = new ChartRenderingInfo();
        Graphics2D dummyGraphics = (Graphics2D) g.create(0, 0, 0, 0);
        jFreeChart.draw(dummyGraphics, area, info);
        dummyGraphics.dispose();

        // now for real
        Rectangle2D plotArea = info.getPlotInfo().getDataArea();
        ChartGradientPainter.paintChartGradient(g, area, (int) plotArea.getMaxY());
        jFreeChart.draw(g, area);

    } catch (Exception e) {
        logger.error("Error while rendering chart", e);
        g.drawString("Could not render chart: " + e.getMessage(), 0, g.getFontMetrics().getHeight());
    }
    return false;
}

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From source file:edu.jhuapl.graphs.jfreechart.JFreeChartBaseSource.java

/**
 * {@inheritDoc}/*from ww  w.ja v a  2 s.  c  om*/
 */
@Override
public RenderedGraph renderGraph(int width, int height, Encoding encoding) throws GraphException {
    if (!isInitialized()) {
        throw new GraphException("Not Initialized");
    }

    ImageEncoder encoder = getEncoder(encoding);
    ChartRenderingInfo info = new ChartRenderingInfo();
    byte[] data;
    try {
        data = encoder.encode(renderImage(width, height, info));
    } catch (IOException e) {
        throw new GraphException("Image encoding failed", e);
    }

    return new JFreeChartRenderedGraph(info, data, encoding);
}

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From source file:org.toobsframework.pres.chart.controller.ChartHandler.java

/**
 * //  w w w.j a v  a 2 s  .  co  m
 * Retrieves the URL path to use for lookup and delegates to
 * <code>getViewNameForUrlPath</code>.
 * 
 * @throws Exception Exception fetching or rendering component.
 * @see #getViewNameForUrlPath
 * 
 */
@Override
protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response,
        UrlDispatchInfo dispatchInfo) throws Exception {

    String chartId = dispatchInfo.getResourceId();
    if (log.isDebugEnabled()) {
        log.debug("Rendering chart '" + chartId + "' for lookup path: " + dispatchInfo.getOriginalPath());
    }

    IRequest componentRequest = this.setupComponentRequest(dispatchInfo, request, response, true);

    Date startTime = null;
    if (log.isDebugEnabled()) {
        startTime = new Date();
    }

    JFreeChart chart = null;
    int height = 400;
    int width = 600;
    ChartDefinition chartDef = null;
    if (null != chartId && !chartId.equals("")) {
        try {
            request.setAttribute("chartId", chartId);
            chartDef = this.chartManager.getChartDefinition(chartId);
        } catch (ChartNotFoundException cnfe) {
            log.warn("Chart " + chartId + " not found.");
            throw cnfe;
        }
        try {

            chart = chartBuilder.build(chartDef, componentRequest);
            width = chartDef.getChartWidth();
            height = chartDef.getChartHeight();

        } catch (ChartException e) {
            Throwable t = e.rootCause();
            log.info("Root cause " + t.getClass().getName() + " " + t.getMessage());
            throw e;
        } catch (Exception e) {
            throw e;
        } finally {
            this.componentRequestManager.unset();
        }

    } else {
        throw new Exception("No chartId specified");
    }

    //Write out to the response.
    response.setHeader("Pragma", "no-cache"); // HTTP 1.0
    response.setHeader("Cache-Control", "max-age=0, must-revalidate"); // HTTP 1.1
    ChartRenderingInfo chartRenderingInfo = new ChartRenderingInfo();
    if (chartDef.doImageWithMap()) {
        response.setContentType("text/html; charset=UTF-8");
        String genFileName = chartDef.getId() + "-" + new Date().getTime() + ".png";
        String imageOutputFileName = configuration.getUploadDir() + genFileName;
        File imageOutputFile = new File(imageOutputFileName);
        OutputStream os = null;
        try {
            os = new FileOutputStream(imageOutputFile);
            ChartUtilities.writeChartAsPNG(os, chart, width, height, chartRenderingInfo);
        } finally {
            if (os != null) {
                os.close();
            }
        }
        PrintWriter writer = response.getWriter();
        StringBuffer sb = new StringBuffer();

        // TODO BUGBUG Chart location needs to fixed
        sb.append("<img id=\"chart-").append(chartDef.getId()).append("\" src=\"")
                .append(/*Configuration.getInstance().getMainContext() +*/ "/upload/" + genFileName)
                .append("\" ismap=\"ismap\" usemap=\"#").append(chartDef.getId()).append("Map\" />");
        URLTagFragmentGenerator urlGenerator;
        if (chartDef.getUrlFragmentBean() != null) {
            urlGenerator = (URLTagFragmentGenerator) beanFactory.getBean(chartDef.getUrlFragmentBean());
        } else {
            urlGenerator = new StandardURLTagFragmentGenerator();
        }
        sb.append(ImageMapUtilities.getImageMap(chartDef.getId() + "Map", chartRenderingInfo, null,
                urlGenerator));
        writer.print(sb.toString());
        writer.flush();

    } else {
        response.setContentType("image/png");

        ChartUtilities.writeChartAsPNG(response.getOutputStream(), chart, width, height, chartRenderingInfo);

    }

    if (log.isDebugEnabled()) {
        Date endTime = new Date();
        log.debug("Time [" + chartId + "] - " + (endTime.getTime() - startTime.getTime()));
    }
    return null;

}

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From source file:org.orbeon.oxf.processor.serializer.legacy.JFreeChartSerializer.java

protected void readInput(PipelineContext pipelineContext, ProcessorInput input, Config config,
        OutputStream outputStream) {
    try {//from w w  w . j a v  a  2  s.  c  om
        ChartConfig chartConfig = readCacheInputAsObject(pipelineContext, getInputByName(INPUT_CHART),
                new CacheableInputReader<ChartConfig>() {
                    public ChartConfig read(org.orbeon.oxf.pipeline.api.PipelineContext context,
                            org.orbeon.oxf.processor.ProcessorInput input) {
                        return createChartConfig(context, input);
                    }
                });
        Document data = readInputAsDOM4J(pipelineContext, (input != null) ? input : getInputByName(INPUT_DATA));

        Dataset ds;
        if (chartConfig.getType() == ChartConfig.PIE_TYPE || chartConfig.getType() == ChartConfig.PIE3D_TYPE)
            ds = createPieDataset(chartConfig, data);
        else if (chartConfig.getType() == ChartConfig.XY_LINE_TYPE)
            ds = createXYDataset(chartConfig, data);
        else if (chartConfig.getType() == ChartConfig.TIME_SERIES_TYPE)
            ds = createTimeSeriesDataset(chartConfig, data);
        else
            ds = createDataset(chartConfig, data);
        JFreeChart chart = drawChart(chartConfig, ds);
        ChartRenderingInfo info = new ChartRenderingInfo();
        ChartUtilities.writeChartAsPNG(outputStream, chart, chartConfig.getxSize(), chartConfig.getySize(),
                info, true, 5);
    } catch (Exception e) {
        throw new OXFException(e);
    }
}

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From source file:nextapp.echo.chart.webcontainer.service.ChartImageService.java

public void service(Connection conn) throws IOException {
    try {//from   w w w .  j ava2  s . c o  m
        UserInstance userInstance = (UserInstance) conn.getUserInstance();
        if (userInstance == null) {
            serviceBadRequest(conn, "No container available.");
            return;
        }

        HttpServletRequest request = conn.getRequest();
        String chartId = request.getParameter("chartId");
        ChartDisplay chartDisplay = (ChartDisplay) userInstance.getApplicationInstance()
                .getComponentByRenderId(chartId);
        synchronized (chartDisplay) {
            if (chartDisplay == null || !chartDisplay.isRenderVisible()) {
                throw new IllegalArgumentException("Invalid chart id.");
            }

            Extent ewidth = (Extent) chartDisplay.getRenderProperty(ChartDisplay.PROPERTY_WIDTH);
            int width = ewidth != null ? ewidth.getValue() : ChartDisplayPeer.DEFAULT_WIDTH;

            Extent eheight = (Extent) chartDisplay.getRenderProperty(ChartDisplay.PROPERTY_HEIGHT);
            int height = ewidth != null ? eheight.getValue() : ChartDisplayPeer.DEFAULT_HEIGHT;

            JFreeChart chart = chartDisplay.getChart();
            BufferedImage image;
            ChartRenderingInfo info = new ChartRenderingInfo();
            synchronized (chart) {
                image = chart.createBufferedImage(width, height, info);
            }
            //                EntityCollection coll = info.getEntityCollection();
            //                debug("About to show entities");
            //                for (int i = 0; i < coll.getEntityCount(); i++) {
            //                   debug("Entity: " + coll.getEntity(i).getShapeCoords());
            //                   debug("Entity: " + coll.getEntity(i).getShapeType());
            //                   debug("Entity: " + coll.getEntity(i).getToolTipText());
            //                }

            PngEncoder encoder = new PngEncoder(image, true, null, 3);
            conn.setContentType(ContentType.IMAGE_PNG);
            OutputStream out = conn.getOutputStream();
            encoder.encode(out);
        }
    } catch (IOException ex) {
        // Internet Explorer appears to enjoy making half-hearted requests for images, wherein it resets the connection
        // leaving us with an IOException.  This exception is silently eaten.
        ex.printStackTrace();
    }
}

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