List of usage examples for org.jfree.chart ChartUtilities writeBufferedImageAsPNG
public static void writeBufferedImageAsPNG(OutputStream out, BufferedImage image) throws IOException
From source file:org.jfree.chart.demo.MeterChartDemo4.java
public static void main(String args[]) { DefaultValueDataset defaultvaluedataset = new DefaultValueDataset(75D); MeterPlot meterplot = new MeterPlot(defaultvaluedataset); JFreeChart jfreechart = new JFreeChart("Scaled Image Test", meterplot); try {/*from w w w . jav a2s . com*/ File file = new File("meterchart100.png"); BufferedOutputStream bufferedoutputstream = new BufferedOutputStream(new FileOutputStream(file)); java.awt.image.BufferedImage bufferedimage = jfreechart.createBufferedImage(200, 200, 400D, 400D, null); ChartUtilities.writeBufferedImageAsPNG(bufferedoutputstream, bufferedimage); } catch (IOException ioexception) { System.out.println(ioexception.toString()); } }
From source file:org.jfree.chart.demo.LegendTitleToImageDemo1.java
public static void main(String args[]) throws IOException { DefaultPieDataset defaultpiedataset = new DefaultPieDataset(); defaultpiedataset.setValue("A", 1.0D); defaultpiedataset.setValue("B", 2D); defaultpiedataset.setValue("C", 3D); JFreeChart jfreechart = ChartFactory.createPieChart("Test", defaultpiedataset, true, false, false); LegendTitle legendtitle = jfreechart.getLegend(); legendtitle.setMargin(0.0D, 0.0D, 1.0D, 1.0D); BufferedImage bufferedimage = new BufferedImage(1, 1, 2); Graphics2D graphics2d = bufferedimage.createGraphics(); Size2D size2d = legendtitle.arrange(graphics2d); graphics2d.dispose();/*from ww w . java 2 s . c o m*/ int i = (int) Math.rint(size2d.width); int j = (int) Math.rint(size2d.height); BufferedImage bufferedimage1 = new BufferedImage(i, j, 2); Graphics2D graphics2d1 = bufferedimage1.createGraphics(); legendtitle.draw(graphics2d1, new java.awt.geom.Rectangle2D.Double(0.0D, 0.0D, i, j)); graphics2d1.dispose(); BufferedOutputStream bufferedoutputstream = new BufferedOutputStream( new FileOutputStream(new File("LegendTitleToImageDemo1.png"))); ChartUtilities.writeBufferedImageAsPNG(bufferedoutputstream, bufferedimage1); bufferedoutputstream.close(); }
From source file:org.jfree.chart.demo.LegendTitleToImageDemo2.java
public static void main(String args[]) throws IOException { DefaultPieDataset defaultpiedataset = new DefaultPieDataset(); defaultpiedataset.setValue("England", 1.0D); defaultpiedataset.setValue("France", 2D); defaultpiedataset.setValue("Germany", 3D); defaultpiedataset.setValue("Italy", 4D); defaultpiedataset.setValue("Scotland", 5D); defaultpiedataset.setValue("Belgium", 6D); defaultpiedataset.setValue("Poland", 7D); defaultpiedataset.setValue("Spain", 8D); defaultpiedataset.setValue("Portugal", 9D); defaultpiedataset.setValue("Switzerland", 10D); defaultpiedataset.setValue("Austria", 11D); defaultpiedataset.setValue("Luxembourg", 12D); JFreeChart jfreechart = ChartFactory.createPieChart("Test", defaultpiedataset, true, false, false); LegendTitle legendtitle = jfreechart.getLegend(); legendtitle.setMargin(0.0D, 0.0D, 1.0D, 1.0D); BufferedImage bufferedimage = new BufferedImage(1, 1, 2); Graphics2D graphics2d = bufferedimage.createGraphics(); Size2D size2d = legendtitle.arrange(graphics2d, new RectangleConstraint(250D, new Range(0.0D, 10000D))); graphics2d.dispose();/*ww w .j av a 2 s . c o m*/ int i = (int) Math.rint(size2d.width); int j = (int) Math.rint(size2d.height); BufferedImage bufferedimage1 = new BufferedImage(i, j, 2); Graphics2D graphics2d1 = bufferedimage1.createGraphics(); legendtitle.draw(graphics2d1, new java.awt.geom.Rectangle2D.Double(0.0D, 0.0D, i, j)); graphics2d1.dispose(); BufferedOutputStream bufferedoutputstream = new BufferedOutputStream( new FileOutputStream(new File("LegendTitleToImageDemo2.png"))); ChartUtilities.writeBufferedImageAsPNG(bufferedoutputstream, bufferedimage1); bufferedoutputstream.close(); }
From source file:org.jfree.chart.demo.MeterChartDemo2.java
/** * Starting point for the demo./*from ww w .ja va2 s .c om*/ * * @param args ignored. */ public static void main(final String[] args) { final ValueDataset dataset = new DefaultValueDataset(75.0); final MeterPlot plot = new MeterPlot(dataset); final JFreeChart chart = new JFreeChart("Scaled Image Test", plot); // **************************************************************************** // * JFREECHART DEVELOPER GUIDE * // * The JFreeChart Developer Guide, written by David Gilbert, is available * // * to purchase from Object Refinery Limited: * // * * // * http://www.object-refinery.com/jfreechart/guide.html * // * * // * Sales are used to provide funding for the JFreeChart project - please * // * support us so that we can continue developing free software. * // **************************************************************************** // save it to an image try { final File file1 = new File("meterchart100.png"); final OutputStream out = new BufferedOutputStream(new FileOutputStream(file1)); final BufferedImage image = chart.createBufferedImage(200, 200, 400, 400, null); ChartUtilities.writeBufferedImageAsPNG(out, image); } catch (IOException e) { System.out.println(e.toString()); } }
From source file:gov.nih.nci.caintegrator.application.geneexpression.GeneExpressionPlotImpl.java
/** * {@inheritDoc}//w ww.ja v a 2 s . c o m */ public void writePlotImage(OutputStream out) { BufferedImage bufferedImage = getPlotChart().createBufferedImage(width, height); try { ChartUtilities.writeBufferedImageAsPNG(out, bufferedImage); } catch (IOException e) { LOGGER.warn("Couldn't write GeneExpressionPlot image", e); } }
From source file:gov.nih.nci.caintegrator.application.kmplot.KMPlotImpl.java
/** * {@inheritDoc}/*from ww w.j av a 2 s . c om*/ */ public void writePlotImage(OutputStream out) { fixHeight(); BufferedImage bufferedImage = getPlotChart().createBufferedImage(width, height); try { ChartUtilities.writeBufferedImageAsPNG(out, bufferedImage); } catch (IOException e) { LOGGER.warn("Couldn't write KMPlot image", e); } }
From source file:org.sonar.api.charts.AbstractChartTest.java
protected void assertChartSizeGreaterThan(BufferedImage img, int size) throws IOException { ByteArrayOutputStream output = new ByteArrayOutputStream(); ChartUtilities.writeBufferedImageAsPNG(output, img); assertTrue("PNG size in bits=" + output.size(), output.size() > size); }
From source file:org.sonar.api.charts.AbstractChartTest.java
protected void assertChartSizeLesserThan(BufferedImage img, int size) throws IOException { ByteArrayOutputStream output = new ByteArrayOutputStream(); ChartUtilities.writeBufferedImageAsPNG(output, img); assertTrue("PNG size in bits=" + output.size(), output.size() < size); }
From source file:gov.nih.nci.caintegrator.plots.kaplanmeier.JFreeChartIKMPlottermpl.java
public void writeBufferedImage(OutputStream out, BufferedImage image, ImageTypes imgType) throws KMException { if (imgType == null) imgType = ImageTypes.PNG; // default try {// w ww . j av a2 s . c o m if (imgType == ImageTypes.PNG) ChartUtilities.writeBufferedImageAsPNG(out, image); else if (imgType == ImageTypes.JPEG) ChartUtilities.writeBufferedImageAsJPEG(out, image); else { logger.debug(new String("UnSupported File Format: " + imgType.getValue())); throw new KMException("UnSupported File Format: " + imgType.getValue()); } } catch (IOException ioe) { logger.debug(ioe); throw new KMException(ioe); } }
From source file:org.sonar.api.charts.AbstractChartTest.java
protected void saveChart(BufferedImage img, String name) throws IOException { File target = new File("target/tmp-chart", name); FileUtils.forceMkdir(target.getParentFile()); ByteArrayOutputStream imgOutput = new ByteArrayOutputStream(); ChartUtilities.writeBufferedImageAsPNG(imgOutput, img); OutputStream out = new FileOutputStream(target); out.write(imgOutput.toByteArray());//from w w w . ja va2 s . co m out.close(); }