List of usage examples for org.jfree.chart ChartUtilities encodeAsPNG
public static byte[] encodeAsPNG(BufferedImage image) throws IOException
From source file:com.googlecode.psiprobe.controllers.RenderChartController.java
protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception { final int SERIES_NUM = 9; // the max number of series ////from w w w. j a va2 s . co m // get Series Color from the request // int[] seriesColor = new int[SERIES_NUM]; seriesColor[0] = Utils.toIntHex(request.getParameter("s1c"), 0x9bd2fb); seriesColor[1] = Utils.toIntHex(request.getParameter("s2c"), 0xFF0606); for (int i = 2; i < SERIES_NUM; i++) { seriesColor[i] = Utils.toIntHex(request.getParameter("s" + (i + 1) + "c"), -1); } // // get Series Outline Color from the request // int[] seriesOutlineColor = new int[SERIES_NUM]; seriesOutlineColor[0] = Utils.toIntHex(request.getParameter("s1o"), 0x0665aa); seriesOutlineColor[1] = Utils.toIntHex(request.getParameter("s2o"), 0x9d0000); for (int i = 2; i < SERIES_NUM; i++) { seriesOutlineColor[i] = Utils.toIntHex(request.getParameter("s" + (i + 1) + "o"), -1); } // // background color // int backgroundColor = Utils.toIntHex(request.getParameter("bc"), 0xFFFFFF); // // grid color // int gridColor = Utils.toIntHex(request.getParameter("gc"), 0); // // X axis title // String xLabel = ServletRequestUtils.getStringParameter(request, "xl", ""); // // Y axis title // String yLabel = ServletRequestUtils.getStringParameter(request, "yl", ""); // // image width // int width = ServletRequestUtils.getIntParameter(request, "xz", 800); // // image height // int height = ServletRequestUtils.getIntParameter(request, "yz", 400); // // show legend? // boolean showLegend = ServletRequestUtils.getBooleanParameter(request, "l", true); // // Series provider // String provider = ServletRequestUtils.getStringParameter(request, "p", null); // // Chart type // String chartType = ServletRequestUtils.getStringParameter(request, "ct", "area"); DefaultTableXYDataset ds = new DefaultTableXYDataset(); if (provider != null) { Object o = getApplicationContext().getBean(provider); if (o instanceof SeriesProvider) { ((SeriesProvider) o).populate(ds, statsCollection, request); } else { logger.error("SeriesProvider \"" + provider + "\" does not implement " + SeriesProvider.class); } } // // Build series data from the give statistic // JFreeChart chart = null; if ("area".equals(chartType)) { chart = ChartFactory.createXYAreaChart("", xLabel, yLabel, ds, PlotOrientation.VERTICAL, showLegend, false, false); ((XYAreaRenderer) chart.getXYPlot().getRenderer()).setOutline(true); } else if ("stacked".equals(chartType)) { chart = ChartFactory.createStackedXYAreaChart("", xLabel, yLabel, ds, PlotOrientation.VERTICAL, showLegend, false, false); } else if ("line".equals(chartType)) { chart = ChartFactory.createXYLineChart("", xLabel, yLabel, ds, PlotOrientation.VERTICAL, showLegend, false, false); final XYLine3DRenderer renderer = new XYLine3DRenderer(); renderer.setDrawOutlines(true); renderer.setLinesVisible(true); renderer.setShapesVisible(true); renderer.setStroke(new BasicStroke(2)); renderer.setXOffset(1); renderer.setYOffset(1); chart.getXYPlot().setRenderer(renderer); } if (chart != null) { chart.setAntiAlias(true); chart.setBackgroundPaint(new Color(backgroundColor)); for (int i = 0; i < SERIES_NUM; i++) { if (seriesColor[i] >= 0) { chart.getXYPlot().getRenderer().setSeriesPaint(i, new Color(seriesColor[i])); } if (seriesOutlineColor[i] >= 0) { chart.getXYPlot().getRenderer().setSeriesOutlinePaint(i, new Color(seriesOutlineColor[i])); } } chart.getXYPlot().setDomainGridlinePaint(new Color(gridColor)); chart.getXYPlot().setRangeGridlinePaint(new Color(gridColor)); chart.getXYPlot().setDomainAxis(0, new DateAxis()); chart.getXYPlot().setDomainAxis(1, new DateAxis()); chart.getXYPlot().setInsets(new RectangleInsets(-15, 0, 0, 10)); response.setHeader("Content-type", "image/png"); response.getOutputStream().write(ChartUtilities.encodeAsPNG(chart.createBufferedImage(width, height))); } return null; }
From source file:psiprobe.controllers.RenderChartController.java
@Override protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception { final int seriesMaxCount = 9; // the max number of series // get Series Color from the request int[] seriesColor = new int[seriesMaxCount]; seriesColor[0] = Utils.toIntHex(request.getParameter("s1c"), 0x9bd2fb); seriesColor[1] = Utils.toIntHex(request.getParameter("s2c"), 0xFF0606); for (int i = 2; i < seriesMaxCount; i++) { seriesColor[i] = Utils.toIntHex(request.getParameter("s" + (i + 1) + "c"), -1); }//from w w w . ja va 2 s. com // get Series Outline Color from the request int[] seriesOutlineColor = new int[seriesMaxCount]; seriesOutlineColor[0] = Utils.toIntHex(request.getParameter("s1o"), 0x0665aa); seriesOutlineColor[1] = Utils.toIntHex(request.getParameter("s2o"), 0x9d0000); for (int i = 2; i < seriesMaxCount; i++) { seriesOutlineColor[i] = Utils.toIntHex(request.getParameter("s" + (i + 1) + "o"), -1); } // background color int backgroundColor = Utils.toIntHex(request.getParameter("bc"), 0xFFFFFF); // grid color int gridColor = Utils.toIntHex(request.getParameter("gc"), 0); // X axis title String labelX = ServletRequestUtils.getStringParameter(request, "xl", ""); // Y axis title String labelY = ServletRequestUtils.getStringParameter(request, "yl", ""); // image width int width = ServletRequestUtils.getIntParameter(request, "xz", 800); // image height int height = ServletRequestUtils.getIntParameter(request, "yz", 400); // show legend? boolean showLegend = ServletRequestUtils.getBooleanParameter(request, "l", true); // Series provider String provider = ServletRequestUtils.getStringParameter(request, "p", null); // Chart type String chartType = ServletRequestUtils.getStringParameter(request, "ct", "area"); DefaultTableXYDataset ds = new DefaultTableXYDataset(); if (provider != null) { Object series = getApplicationContext().getBean(provider); if (series instanceof SeriesProvider) { ((SeriesProvider) series).populate(ds, statsCollection, request); } else { logger.error("SeriesProvider '{}' does not implement '{}'", provider, SeriesProvider.class); } } // Build series data from the give statistic JFreeChart chart = null; if ("area".equals(chartType)) { chart = ChartFactory.createXYAreaChart("", labelX, labelY, ds, PlotOrientation.VERTICAL, showLegend, false, false); ((XYAreaRenderer) chart.getXYPlot().getRenderer()).setOutline(true); } else if ("stacked".equals(chartType)) { chart = ChartFactory.createStackedXYAreaChart("", labelX, labelY, ds, PlotOrientation.VERTICAL, showLegend, false, false); } else if ("line".equals(chartType)) { chart = ChartFactory.createXYLineChart("", labelX, labelY, ds, PlotOrientation.VERTICAL, showLegend, false, false); final XYLine3DRenderer renderer = new XYLine3DRenderer(); renderer.setDrawOutlines(true); for (int i = 0; i < seriesMaxCount; i++) { renderer.setSeriesLinesVisible(i, true); renderer.setSeriesShapesVisible(i, true); renderer.setSeriesStroke(i, new BasicStroke(2)); } renderer.setXOffset(1); renderer.setYOffset(1); chart.getXYPlot().setRenderer(renderer); } if (chart != null) { chart.setAntiAlias(true); chart.setBackgroundPaint(new Color(backgroundColor)); for (int i = 0; i < seriesMaxCount; i++) { if (seriesColor[i] >= 0) { chart.getXYPlot().getRenderer().setSeriesPaint(i, new Color(seriesColor[i])); } if (seriesOutlineColor[i] >= 0) { chart.getXYPlot().getRenderer().setSeriesOutlinePaint(i, new Color(seriesOutlineColor[i])); } } chart.getXYPlot().setDomainGridlinePaint(new Color(gridColor)); chart.getXYPlot().setRangeGridlinePaint(new Color(gridColor)); chart.getXYPlot().setDomainAxis(0, new DateAxis()); chart.getXYPlot().setDomainAxis(1, new DateAxis()); chart.getXYPlot().setInsets(new RectangleInsets(-15, 0, 0, 10)); response.setHeader("Content-type", "image/png"); response.getOutputStream().write(ChartUtilities.encodeAsPNG(chart.createBufferedImage(width, height))); } return null; }
From source file:com.esofthead.mycollab.ui.chart.JFreeChartWrapper.java
@Override public Resource getSource() { if (res == null) { StreamSource streamSource = new StreamResource.StreamSource() { private ByteArrayInputStream bytestream = null; ByteArrayInputStream getByteStream() { if (chart != null && bytestream == null) { int width = getGraphWidth(); int height = getGraphHeight(); if (mode == RenderingMode.SVG) { // Create an instance of the SVG Generator SVGGraphics2D svgGenerator = new SVGGraphics2D(width, height); // draw the chart in the SVG generator chart.draw(svgGenerator, new Rectangle(width, height)); // create an xml string in svg format from the drawing String drawingSVG = svgGenerator.getSVGElement(); return new ByteArrayInputStream(drawingSVG.getBytes(StandardCharsets.UTF_8)); } else { // Draw png to bytestream try { byte[] bytes = ChartUtilities.encodeAsPNG(chart.createBufferedImage(width, height)); bytestream = new ByteArrayInputStream(bytes); } catch (Exception e) { log.error("Error while generating PNG chart", e); }// w w w . j a va 2 s . co m } } else { bytestream.reset(); } return bytestream; } @Override public InputStream getStream() { return getByteStream(); } }; res = new StreamResource(streamSource, String.format("graph%d", System.currentTimeMillis())) { @Override public int getBufferSize() { if (getStreamSource().getStream() != null) { try { return getStreamSource().getStream().available(); } catch (IOException e) { log.warn("Error while get stream info", e); return 0; } } else { return 0; } } @Override public long getCacheTime() { return 0; } @Override public String getFilename() { if (mode == RenderingMode.PNG) { return super.getFilename() + ".png"; } else { return super.getFilename() + (gzipEnabled ? ".svgz" : ".svg"); } } @Override public DownloadStream getStream() { DownloadStream downloadStream = new DownloadStream(getStreamSource().getStream(), getMIMEType(), getFilename()); if (gzipEnabled && mode == RenderingMode.SVG) { downloadStream.setParameter("Content-Encoding", "gzip"); } return downloadStream; } @Override public String getMIMEType() { if (mode == RenderingMode.PNG) { return "image/png"; } else { return "image/svg+xml"; } } }; } return res; }
From source file:web.diva.server.model.pca.PCAImageGenerator.java
@SuppressWarnings("CallToPrintStackTrace") public String toImage() { image = (BufferedImage) plot.getImage(); byte[] imageData = null; try {/*from w w w .j a v a 2 s. co m*/ imageData = ChartUtilities.encodeAsPNG(image); } catch (Exception e) { e.printStackTrace(); } String base64 = Base64.encodeBase64String(imageData); base64 = "data:image/png;base64," + base64; return base64; }
From source file:probe.com.view.body.quantcompare.PieChart.java
private String saveToFile(final JFreeChart chart, final double width, final double height) { byte imageData[]; try {/* w w w . j a v a2 s. c o m*/ imageData = ChartUtilities .encodeAsPNG(chart.createBufferedImage((int) width, (int) height, chartRenderingInfo)); String base64 = Base64.encodeBase64String(imageData); base64 = "data:image/png;base64," + base64; return base64; } catch (IOException e) { System.err.println("at error " + e.getMessage()); } return ""; }
From source file:velo.ejb.seam.action.HomeActionsBean.java
public void createChart() { ResourceList rl = new ResourceList(); rl.getResource().setActive(true);/*from w w w . ja v a 2 s . c om*/ rl.initialize(); List<Resource> resources = rl.getResultList(); //Retrieve a list of tasks from last day TaskList tl = new TaskList(); List<Task> tasks = tl.getResultList(); //build the summaries Map<String, Long> rTasks = new HashMap<String, Long>(); for (Task currTask : tasks) { if (currTask instanceof ResourceTask) { ResourceTask rt = (ResourceTask) currTask; if (!rTasks.containsKey(rt.getResourceUniqueName())) { rTasks.put(rt.getResourceUniqueName(), new Long(0)); } rTasks.put(rt.getResourceUniqueName(), rTasks.get(rt.getResourceUniqueName()) + 1); } } final DefaultPieDataset dataset = new DefaultPieDataset(); for (Resource currResource : resources) { if (rTasks.containsKey(currResource.getUniqueName())) { dataset.setValue(currResource.getDisplayName() + "(" + rTasks.get(currResource.getUniqueName()).longValue() + ")", rTasks.get(currResource.getUniqueName())); } else { dataset.setValue(currResource.getDisplayName() + "(0)", 0); } } final JFreeChart chart = ChartFactory.createPieChart("Tasks Amount (1 last day) per resource", // chart title dataset, // dataset true, // include legend true, false); final PiePlot plot = (PiePlot) chart.getPlot(); plot.setNoDataMessage("No data available"); try { this.chart = ChartUtilities.encodeAsPNG(chart.createBufferedImage(400, 400)); } catch (IOException e) { e.printStackTrace(); } }
From source file:com.esofthead.mycollab.community.ui.chart.JFreeChartWrapper.java
@Override public Resource getSource() { if (res == null) { StreamSource streamSource = new StreamResource.StreamSource() { private ByteArrayInputStream bytestream = null; ByteArrayInputStream getByteStream() { if (chart != null && bytestream == null) { int width = getGraphWidth(); int height = getGraphHeight(); if (mode == RenderingMode.SVG) { DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance(); DocumentBuilder docBuilder = null; try { docBuilder = docBuilderFactory.newDocumentBuilder(); } catch (ParserConfigurationException e1) { throw new RuntimeException(e1); }/*w w w . j ava 2s . c om*/ Document document = docBuilder.newDocument(); Element svgelem = document.createElement("svg"); document.appendChild(svgelem); // Create an instance of the SVG Generator SVGGraphics2D svgGenerator = new SVGGraphics2D(document); // draw the chart in the SVG generator chart.draw(svgGenerator, new Rectangle(width, height)); Element el = svgGenerator.getRoot(); el.setAttributeNS(null, "viewBox", "0 0 " + width + " " + height + ""); el.setAttributeNS(null, "style", "width:100%;height:100%;"); el.setAttributeNS(null, "preserveAspectRatio", getSvgAspectRatio()); // Write svg to buffer ByteArrayOutputStream baoutputStream = new ByteArrayOutputStream(); Writer out; try { OutputStream outputStream = gzipEnabled ? new GZIPOutputStream(baoutputStream) : baoutputStream; out = new OutputStreamWriter(outputStream, "UTF-8"); /* * don't use css, FF3 can'd deal with the result * perfectly: wrong font sizes */ boolean useCSS = false; svgGenerator.stream(el, out, useCSS, false); outputStream.flush(); outputStream.close(); bytestream = new ByteArrayInputStream(baoutputStream.toByteArray()); } catch (Exception e) { log.error("Error while generating SVG chart", e); } } else { // Draw png to bytestream try { byte[] bytes = ChartUtilities.encodeAsPNG(chart.createBufferedImage(width, height)); bytestream = new ByteArrayInputStream(bytes); } catch (Exception e) { log.error("Error while generating PNG chart", e); } } } else { bytestream.reset(); } return bytestream; } @Override public InputStream getStream() { return getByteStream(); } }; res = new StreamResource(streamSource, String.format("graph%d", System.currentTimeMillis())) { @Override public int getBufferSize() { if (getStreamSource().getStream() != null) { try { return getStreamSource().getStream().available(); } catch (IOException e) { log.warn("Error while get stream info", e); return 0; } } else { return 0; } } @Override public long getCacheTime() { return 0; } @Override public String getFilename() { if (mode == RenderingMode.PNG) { return super.getFilename() + ".png"; } else { return super.getFilename() + (gzipEnabled ? ".svgz" : ".svg"); } } @Override public DownloadStream getStream() { DownloadStream downloadStream = new DownloadStream(getStreamSource().getStream(), getMIMEType(), getFilename()); if (gzipEnabled && mode == RenderingMode.SVG) { downloadStream.setParameter("Content-Encoding", "gzip"); } return downloadStream; } @Override public String getMIMEType() { if (mode == RenderingMode.PNG) { return "image/png"; } else { return "image/svg+xml"; } } }; } return res; }
From source file:org.vaadin.addon.JFreeChartWrapper.java
@Override public Resource getSource() { if (res == null) { StreamSource streamSource = new StreamResource.StreamSource() { private ByteArrayInputStream bytestream = null; ByteArrayInputStream getByteStream() { if (chart != null && bytestream == null) { int widht = getGraphWidth(); int height = getGraphHeight(); if (mode == RenderingMode.SVG) { DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance(); DocumentBuilder docBuilder = null; try { docBuilder = docBuilderFactory.newDocumentBuilder(); } catch (ParserConfigurationException e1) { throw new RuntimeException(e1); }//from w w w. j av a2 s. c om Document document = docBuilder.newDocument(); Element svgelem = document.createElement("svg"); document.appendChild(svgelem); // Create an instance of the SVG Generator SVGGraphics2D svgGenerator = new SVGGraphics2D(document); // draw the chart in the SVG generator chart.draw(svgGenerator, new Rectangle(widht, height)); Element el = svgGenerator.getRoot(); el.setAttributeNS(null, "viewBox", "0 0 " + widht + " " + height + ""); el.setAttributeNS(null, "style", "width:100%;height:100%;"); el.setAttributeNS(null, "preserveAspectRatio", getSvgAspectRatio()); // Write svg to buffer ByteArrayOutputStream baoutputStream = new ByteArrayOutputStream(); Writer out; try { OutputStream outputStream = gzipEnabled ? new GZIPOutputStream(baoutputStream) : baoutputStream; out = new OutputStreamWriter(outputStream, "UTF-8"); /* * don't use css, FF3 can'd deal with the result * perfectly: wrong font sizes */ boolean useCSS = false; svgGenerator.stream(el, out, useCSS, false); outputStream.flush(); outputStream.close(); bytestream = new ByteArrayInputStream(baoutputStream.toByteArray()); } catch (UnsupportedEncodingException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (SVGGraphics2DIOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } else { // Draw png to bytestream try { byte[] bytes = ChartUtilities.encodeAsPNG(chart.createBufferedImage(widht, height)); bytestream = new ByteArrayInputStream(bytes); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } else { bytestream.reset(); } return bytestream; } @Override public InputStream getStream() { return getByteStream(); } }; res = new StreamResource(streamSource, String.format("graph%d", System.currentTimeMillis())) { @Override public int getBufferSize() { if (getStreamSource().getStream() != null) { try { return getStreamSource().getStream().available(); } catch (IOException e) { return 0; } } else { return 0; } } @Override public long getCacheTime() { return 0; } @Override public String getFilename() { if (mode == RenderingMode.PNG) { return super.getFilename() + ".png"; } else { return super.getFilename() + (gzipEnabled ? ".svgz" : ".svg"); } } @Override public DownloadStream getStream() { DownloadStream downloadStream = new DownloadStream(getStreamSource().getStream(), getMIMEType(), getFilename()); if (gzipEnabled && mode == RenderingMode.SVG) { downloadStream.setParameter("Content-Encoding", "gzip"); } return downloadStream; } @Override public String getMIMEType() { if (mode == RenderingMode.PNG) { return "image/png"; } else { return "image/svg+xml"; } } }; } return res; }
From source file:com.iontorrent.vaadin.utils.JFreeChartWrapper.java
@Override public Resource getSource() { if (res == null) { res = new ApplicationResource() { private ByteArrayInputStream bytestream = null; ByteArrayInputStream getByteStream() { if (chart != null && bytestream == null) { int widht = getGraphWidth(); int height = getGraphHeight(); info = new ChartRenderingInfo(); if (mode == RenderingMode.SVG) { DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance(); DocumentBuilder docBuilder = null; try { docBuilder = docBuilderFactory.newDocumentBuilder(); } catch (ParserConfigurationException e1) { throw new RuntimeException(e1); }//from w ww . j a v a2 s. c o m Document document = docBuilder.newDocument(); Element svgelem = document.createElement("svg"); document.appendChild(svgelem); // Create an instance of the SVG Generator SVGGraphics2D svgGenerator = new SVGGraphics2D(document); // draw the chart in the SVG generator chart.draw(svgGenerator, new Rectangle(widht, height), info); Element el = svgGenerator.getRoot(); el.setAttributeNS(null, "viewBox", "0 0 " + widht + " " + height + ""); el.setAttributeNS(null, "style", "width:100%;height:100%;"); el.setAttributeNS(null, "preserveAspectRatio", getSvgAspectRatio()); // Write svg to buffer ByteArrayOutputStream baoutputStream = new ByteArrayOutputStream(); Writer out; try { OutputStream outputStream = gzipEnabled ? new GZIPOutputStream(baoutputStream) : baoutputStream; out = new OutputStreamWriter(outputStream, "UTF-8"); /* * don't use css, FF3 can'd deal with the result * perfectly: wrong font sizes */ boolean useCSS = false; svgGenerator.stream(el, out, useCSS, false); outputStream.flush(); outputStream.close(); bytestream = new ByteArrayInputStream(baoutputStream.toByteArray()); } catch (UnsupportedEncodingException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (SVGGraphics2DIOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } else { // Draw png to bytestream try { byte[] bytes = ChartUtilities.encodeAsPNG(chart.createBufferedImage(widht, height)); bytestream = new ByteArrayInputStream(bytes); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } else { bytestream.reset(); } return bytestream; } public Application getApplication() { return JFreeChartWrapper.this.getApplication(); } public int getBufferSize() { if (getByteStream() != null) { return getByteStream().available(); } else { return 0; } } public long getCacheTime() { return 0; } public String getFilename() { if (mode == RenderingMode.PNG) { return "graph.png"; } else { return gzipEnabled ? "graph.svgz" : "graph.svg"; } } public DownloadStream getStream() { DownloadStream downloadStream = new DownloadStream(getByteStream(), getMIMEType(), getFilename()); if (gzipEnabled && mode == RenderingMode.SVG) { downloadStream.setParameter("Content-Encoding", "gzip"); } return downloadStream; } public String getMIMEType() { if (mode == RenderingMode.PNG) { return "image/png"; } else { return "image/svg+xml"; } } }; } return res; }
From source file:org.opennms.netmgt.charts.ChartUtils.java
/** * Helper method that returns the JFreeChart as a PNG byte array. * * @param chartName a {@link java.lang.String} object. * @return a byte array//from w w w. j ava 2 s . c om * @throws org.exolab.castor.xml.MarshalException if any. * @throws org.exolab.castor.xml.ValidationException if any. * @throws java.io.IOException if any. * @throws java.sql.SQLException if any. */ public static byte[] getBarChartAsPNGByteArray(String chartName) throws MarshalException, ValidationException, IOException, SQLException { BarChart chartConfig = getBarChartConfigByName(chartName); JFreeChart chart = getBarChart(chartName); ImageSize imageSize = chartConfig.getImageSize(); int hzPixels; int vtPixels; if (imageSize == null) { hzPixels = 400; vtPixels = 400; } else { hzPixels = imageSize.getHzSize().getPixels(); vtPixels = imageSize.getVtSize().getPixels(); } return ChartUtilities.encodeAsPNG(chart.createBufferedImage(hzPixels, vtPixels)); }