List of usage examples for java.awt GradientPaint GradientPaint
public GradientPaint(float x1, float y1, Color color1, float x2, float y2, Color color2)
From source file:DrawShapes_2008.java
@Override protected void paintComponent(Graphics g) { Graphics2D g2d = (Graphics2D) g; // Paint a gradient for the sky GradientPaint background = new GradientPaint(0f, 0f, Color.GRAY.darker(), 0f, (float) getHeight(), Color.GRAY.brighter()); g2d.setPaint(background);//from w w w . j a v a 2s .c o m g2d.fillRect(0, 0, getWidth(), 4 * getHeight() / 5); // Paint a gradient for the ground background = new GradientPaint(0f, (float) 4 * getHeight() / 5, Color.BLACK, 0f, (float) getHeight(), Color.GRAY.darker()); g2d.setPaint(background); g2d.fillRect(0, 4 * getHeight() / 5, getWidth(), getHeight() / 5); // Enable anti-aliasing to get smooth outlines g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); // Iterate through all of the current shapes for (Shape shape : shapes) { // Get the bounds to compute the RadialGradient properties Rectangle rect = shape.getBounds(); Point2D center = new Point2D.Float(rect.x + (float) rect.width / 2.0f, rect.y + (float) rect.height / 2.0f); float radius = (float) rect.width / 2.0f; float[] dist = { 0.1f, 0.9f }; Color[] colors = { Color.WHITE, Color.BLACK }; // Create and set a RadialGradient centered on the object, // going from white at the center to black at the edges RadialGradientPaint paint = new RadialGradientPaint(center, radius, dist, colors); g2d.setPaint(paint); // Finally, render our shape g2d.fill(shape); } }
From source file:TwoStopsGradient.java
@Override protected void paintComponent(Graphics g) { Graphics2D g2 = (Graphics2D) g; GradientPaint p;/*w w w . ja v a 2s . c om*/ p = new GradientPaint(0, 0, new Color(0xFFFFFF), 0, getHeight(), new Color(0xC8D2DE)); Paint oldPaint = g2.getPaint(); g2.setPaint(p); g2.fillRect(0, 0, getWidth(), getHeight()); g2.setPaint(oldPaint); super.paintComponent(g); }
From source file:barChart1.BarChartDemo.java
/** * Creates a sample chart./* www.j a va2 s . c o m*/ * * @param dataset the dataset. * * @return The chart. */ private static JFreeChart createChart(CategoryDataset dataset) { // create the chart... JFreeChart chart = ChartFactory.createBarChart("Belgium vs Italy vs Ireland ", // chart title "Category", // domain axis label "Value", // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation true, // include legend true, // tooltips? false // URLs? ); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... // set the background color for the chart... chart.setBackgroundPaint(Color.white); // get a reference to the plot for further customisation... CategoryPlot plot = chart.getCategoryPlot(); plot.setBackgroundPaint(Color.lightGray); plot.setDomainGridlinePaint(Color.white); plot.setDomainGridlinesVisible(true); plot.setRangeGridlinePaint(Color.white); // set the range axis to display integers only... final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); // disable bar outlines... BarRenderer renderer = (BarRenderer) plot.getRenderer(); renderer.setDrawBarOutline(false); // set up gradient paints for series... GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, Color.red, 0.0f, 0.0f, new Color(0, 0, 64)); GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, Color.blue, 0.0f, 0.0f, new Color(0, 64, 0)); GradientPaint gp2 = new GradientPaint(0.0f, 0.0f, Color.green, 0.0f, 0.0f, new Color(64, 0, 0)); GradientPaint gp3 = new GradientPaint(0.0f, 0.0f, Color.yellow, 0.0f, 0.0f, new Color(64, 0, 0)); renderer.setSeriesPaint(0, gp0); renderer.setSeriesPaint(1, gp1); renderer.setSeriesPaint(2, gp2); renderer.setSeriesPaint(3, gp2); CategoryAxis domainAxis = plot.getDomainAxis(); domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0)); // OPTIONAL CUSTOMISATION COMPLETED. return chart; }
From source file:org.getobjects.samples.HelloChart.Main.java
/** * This defines the direct action which can be invoked using:<pre> * /HelloThumbnail/wa/Main/chart?chs=128x128&chartType=p3</pre> * /*from w w w.jav a 2s. co m*/ * <p> * Note that the method returns a java.awt.BufferedImage. This will get * rendered to a GIF image by the GoDefaultRenderer. * (this method does not return a WOResponse, but it lets the Go machinery * deal with the image result object). * * @return a BufferedImage containing the scaled image */ public Object chartAction() { Dimension size = UGoogleChart.getDimensions(F("chs", "128x128"), null); String chartType = (String) F("cht", "p"); JFreeChart chart = null; if (chartType.equals("p")) { chart = ChartFactory.createPieChart((String) F("title", "Revenue Chart" /* default title */), this.getPieDataset(), UObject.boolValue(F("legend", true)) /* show legend */, UObject.boolValue(F("tooltips", true)) /* show tooltips */, false /* no URLs */); } else if (chartType.equals("p3")) { chart = ChartFactory.createPieChart3D((String) F("title", "Revenue Chart" /* default title */), this.getPieDataset(), UObject.boolValue(F("legend", true)) /* show legend */, UObject.boolValue(F("tooltips", true)) /* show tooltips */, false /* no URLs */); } else if (chartType.startsWith("b")) { // bhs, bvs (one bar with multiple values) // bhg, bvg (one bar for each row) PlotOrientation orientation = PlotOrientation.VERTICAL; if (chartType.startsWith("bh")) orientation = PlotOrientation.HORIZONTAL; if (chartType.endsWith("3")) { chart = ChartFactory.createBarChart3D((String) F("title", "Revenue Chart" /* default title */), (String) F("xlabel", "X-Axis"), (String) F("ylabel", "Y-Axis"), getCatDataSet(), orientation, UObject.boolValue(F("legend", true)) /* show legend */, UObject.boolValue(F("tooltips", true)) /* show tooltips */, false /* no URLs */); } else { chart = ChartFactory.createBarChart((String) F("title", "Revenue Chart" /* default title */), (String) F("xlabel", "X-Axis"), (String) F("ylabel", "Y-Axis"), getRevCatDataSet(), orientation, UObject.boolValue(F("legend", true)) /* show legend */, UObject.boolValue(F("tooltips", true)) /* show tooltips */, false /* no URLs */); } } /* style the chart */ chart.setBorderVisible(true); //chart.setBorderPaint(new Paint(Color.blue)); Paint p = new GradientPaint(0, 0, Color.white, 1000, 0, Color.blue); chart.setBackgroundPaint(p); /* style the plot */ Plot plot = chart.getPlot(); plot.setBackgroundPaint(new Color(240, 240, 250)); /* add explosion for Pies */ if (plot instanceof PiePlot) { PiePlot pplot = (PiePlot) chart.getPlot(); pplot.setExplodePercent("Products", 0.30); // can be multiple explodes } /* create the image for HTTP delivery */ return chart.createBufferedImage(size.width, size.height); }
From source file:org.jfree.chart.demo.CombinedXYPlotDemo5.java
/** * Creates a combined XYPlot chart./*from w w w . j ava 2 s .c om*/ * * @return the combined chart. */ private JFreeChart createCombinedChart() { // create a default chart based on some sample data... final TimeSeriesCollection dataset0 = new TimeSeriesCollection(); final TimeSeries eur = DemoDatasetFactory.createEURTimeSeries(); dataset0.addSeries(eur); final TimeSeriesCollection dataset1 = new TimeSeriesCollection(); final TimeSeries mav = MovingAverage.createMovingAverage(eur, "EUR/GBP (30 Day MA)", 30, 30); dataset1.addSeries(eur); dataset1.addSeries(mav); final TimeSeriesCollection dataset2 = new TimeSeriesCollection(); dataset2.addSeries(eur); JFreeChart chart = null; // make a common vertical axis for all the sub-plots final NumberAxis valueAxis = new NumberAxis("Value"); valueAxis.setAutoRangeIncludesZero(false); // override default // make a horizontally combined plot final CombinedRangeXYPlot parent = new CombinedRangeXYPlot(valueAxis); // add subplot 1... final XYPlot subplot1 = new XYPlot(dataset0, new DateAxis("Date 1"), null, new StandardXYItemRenderer()); subplot1.setDomainCrosshairVisible(true); subplot1.setRangeCrosshairVisible(true); parent.add(subplot1, 1); // add subplot 2... final XYPlot subplot2 = new XYPlot(dataset1, new DateAxis("Date 2"), null, new StandardXYItemRenderer()); subplot2.setDomainCrosshairVisible(true); subplot2.setRangeCrosshairVisible(true); parent.add(subplot2, 1); // add subplot 3... final XYPlot subplot3 = new XYPlot(dataset2, new DateAxis("Date 3"), null, new XYBarRenderer(0.20)); subplot3.setDomainCrosshairVisible(true); subplot3.setRangeCrosshairVisible(true); parent.add(subplot3, 1); // now make the top level JFreeChart chart = new JFreeChart("Demo Chart", JFreeChart.DEFAULT_TITLE_FONT, parent, true); // then customise it a little... final TextTitle subtitle = new TextTitle("This is a subtitle", new Font("SansSerif", Font.BOLD, 12)); chart.addSubtitle(subtitle); chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.blue)); return chart; }
From source file:io.github.dsheirer.spectrum.SpectrumPanel.java
/** * Draws the current fft spectrum with a line and a gradient fill. *//*from www .j av a 2 s . co m*/ private void drawSpectrum(Graphics2D graphics) { Dimension size = getSize(); //Draw the background Rectangle background = new Rectangle(0, 0, size.width, size.height); graphics.setColor(mColorSpectrumBackground); graphics.draw(background); graphics.fill(background); //Define the gradient GradientPaint gradient = new GradientPaint(0, (getSize().height - mSpectrumInset) / 2, mColorSpectrumGradientTop, 0, getSize().height, mColorSpectrumGradientBottom); graphics.setBackground(mColorSpectrumBackground); GeneralPath spectrumShape = new GeneralPath(); //Start at the lower right inset point spectrumShape.moveTo(size.getWidth(), size.getHeight() - mSpectrumInset); //Draw to the lower left spectrumShape.lineTo(0, size.getHeight() - mSpectrumInset); float[] bins = getBins(); //If we have FFT data to display ... if (bins != null) { float insideHeight = size.height - mSpectrumInset; float scalor = insideHeight / -mDBScale; /* Calculate based on bin size - 1, since bin 0 is rendered at zero * and the last bin is rendered at the width */ float binSize = (float) size.width / ((float) (bins.length)); for (int x = 0; x < bins.length; x++) { float height; height = bins[x] * scalor; if (height > insideHeight) { height = insideHeight; } if (height < 0) { height = 0; } float xAxis = (float) x * binSize; spectrumShape.lineTo(xAxis, height); } } //Otherwise show an empty spectrum else { //Draw Left Size graphics.setPaint(gradient); spectrumShape.lineTo(0, size.getHeight() - mSpectrumInset); //Draw Middle spectrumShape.lineTo(size.getWidth(), size.getHeight() - mSpectrumInset); } //Draw Right Side spectrumShape.lineTo(size.getWidth(), size.getHeight() - mSpectrumInset); graphics.setPaint(gradient); graphics.draw(spectrumShape); graphics.fill(spectrumShape); graphics.setPaint(mColorSpectrumLine); //Draw the bottom line under the spectrum graphics.draw(new Line2D.Float(0, size.height - mSpectrumInset, size.width, size.height - mSpectrumInset)); }
From source file:grafici.StatisticheBarChart.java
/** * Creates a sample chart./*from ww w .j ava 2 s . com*/ * * @param dataset * the dataset. * * @return The chart. */ private static JFreeChart createChart(CategoryDataset dataset, Table results, int variabile, int valore) { // create the chart... JFreeChart chart = ChartFactory.createBarChart(titolo, // chart // title "", // domain axis label results.getColumn(valore).getText().toUpperCase(), // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation true, // include legend true, // tooltips? false // URLs? ); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... // set the background color for the chart... chart.setBackgroundPaint(Color.white); // get a reference to the plot for further customisation... CategoryPlot plot = (CategoryPlot) chart.getPlot(); // ****************************************************************** // More than 150 demo applications are included with the JFreeChart // Developer Guide...for more information, see: // // > http://www.object-refinery.com/jfreechart/guide.html // // ****************************************************************** // set the range axis to display integers only... NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); // disable bar outlines... BarRenderer renderer = (BarRenderer) plot.getRenderer(); renderer.setDrawBarOutline(false); // set up gradient paints for series... GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, Color.blue, 0.0f, 0.0f, new Color(0, 0, 64)); GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, Color.green, 0.0f, 0.0f, new Color(0, 64, 0)); GradientPaint gp2 = new GradientPaint(0.0f, 0.0f, Color.red, 0.0f, 0.0f, new Color(64, 0, 0)); renderer.setSeriesPaint(0, gp0); renderer.setSeriesPaint(1, gp1); renderer.setSeriesPaint(2, gp2); CategoryAxis domainAxis = plot.getDomainAxis(); domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 12.0)); // OPTIONAL CUSTOMISATION COMPLETED. return chart; }
From source file:edu.ucla.stat.SOCR.chart.demo.BarChartDemo4.java
protected JFreeChart createLegend(CategoryDataset dataset) { // JFreeChart chart = ChartFactory.createAreaChart( JFreeChart chart = ChartFactory.createBarChart(chartTitle, // chart title domainLabel, // domain axis label rangeLabel, // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation true, // include legend true, // tooltips false // urls );//www . ja v a 2 s. com // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... chart.setBackgroundPaint(Color.white); CategoryPlot plot = chart.getCategoryPlot(); BarRenderer renderer = (BarRenderer) plot.getRenderer(); GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, Color.blue, 0.0f, 0.0f, Color.lightGray); GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, Color.green, 0.0f, 0.0f, Color.lightGray); renderer.setSeriesPaint(0, gp0); renderer.setSeriesPaint(1, gp1); // renderer.setDrawOutlines(true); // renderer.setUseFillPaint(true); // renderer.setFillPaint(Color.white); renderer.setLegendItemLabelGenerator(new SOCRCategorySeriesLabelGenerator()); return chart; }
From source file:edu.umn.natsrl.evaluation.ContourPlotter.java
private boolean createContourPlot() { if (chart != null) { return true; }/*from w ww .jav a2 s.co m*/ if (this.cv == null || this.ncv == 0 || this.colors == null) { return false; } String date = null; Vector<EvaluationResult> results = (Vector<EvaluationResult>) this.eval.getResult().clone(); if (results.size() > 2) { date = " [average of " + (results.size() - 1) + " days]"; } else { date = " [" + results.get(0).getName() + "]"; } final String title = section.getName() + date; final String xAxisLabel = ""; final String yAxisLabel = ""; final String zAxisLabel = ""; this.xAxis = new NumberAxis(xAxisLabel); this.yAxis = new NumberAxis(yAxisLabel); this.zColorBar = new ColorBar(zAxisLabel); if (this.xAxis instanceof NumberAxis) { ((NumberAxis) this.xAxis).setAutoRangeIncludesZero(false); } this.yAxis.setAutoRangeIncludesZero(false); this.yAxis.setStreetName(this.streetNames); ((NumberAxis) this.xAxis).setTime(this.plotTimes); ((NumberAxis) this.zColorBar.getAxis()).setColor(cv, unit); ((NumberAxis) this.xAxis).setLowerMargin(0.0); ((NumberAxis) this.xAxis).setUpperMargin(0.0); this.yAxis.setLowerMargin(0.0); this.yAxis.setUpperMargin(0.0); this.xAxis.setRange(0, numX - 1); this.yAxis.setRange(0, numY - 1); this.zColorBar.getAxis().setTickMarksVisible(true); final ContourDataset data = createDataset(); // for(Number n : data.getZValues()) { // System.out.println("Data=" + n); // } final ContourPlot plot = new ContourPlot(data, this.xAxis, this.yAxis, this.zColorBar, ncv); plot.SetContourValue(cv, ncv, colors, numX, numY); plot.setDataAreaRatio(ratio); chart = new JFreeChart(title, null, plot, false); chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.white)); return true; }
From source file:Client.Gui.TeamBarChart.java
/** * Creates a sample chart./* w ww . j ava2 s . c om*/ * * @param dataset the dataset. * * @return The chart. */ private JFreeChart createChart(final CategoryDataset dataset) { // create the chart... final JFreeChart chart = ChartFactory.createBarChart("Distribution of Trainging", // chart title "", // domain axis label "", // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation true, // include legend true, // tooltips? false // URLs? ); // set the background color for the chart... chart.setBackgroundPaint(Color.white); // get a reference to the plot for further customisation... final CategoryPlot plot = chart.getCategoryPlot(); plot.setBackgroundPaint(Color.lightGray); plot.setDomainGridlinePaint(Color.white); plot.setRangeGridlinePaint(Color.white); // set the range axis to display integers only... final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); // disable bar outlines... final BarRenderer renderer = (BarRenderer) plot.getRenderer(); renderer.setDrawBarOutline(false); // set up gradient paints for series... final GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, Color.blue, 0.0f, 0.0f, Color.lightGray); final GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, Color.green, 0.0f, 0.0f, Color.lightGray); final GradientPaint gp2 = new GradientPaint(0.0f, 0.0f, Color.red, 0.0f, 0.0f, Color.lightGray); renderer.setSeriesPaint(0, gp0); renderer.setSeriesPaint(1, gp1); renderer.setSeriesPaint(2, gp2); final CategoryAxis domainAxis = plot.getDomainAxis(); domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0)); return chart; }