Example usage for java.awt GradientPaint GradientPaint

Introduction

In this page you can find the example usage for java.awt GradientPaint GradientPaint.

Prototype

public GradientPaint(float x1, float y1, Color color1, float x2, float y2, Color color2) 

Source Link

Document

Constructs a simple acyclic GradientPaint object.

Usage

From source file:org.hxzon.demo.jfreechart.CategoryDatasetDemo2.java

private static JFreeChart createStackedBarChart3D(CategoryDataset dataset) {

    CategoryAxis categoryAxis = new CategoryAxis3D(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis3D(valueAxisLabel);

    CategoryItemRenderer renderer = new StackedBarRenderer3D();
    if (tooltips) {
        renderer.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
    }//from www.j  a  v  a 2 s .  co  m
    if (urls) {
        renderer.setBaseItemURLGenerator(new StandardCategoryURLGenerator());
    }

    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    if (orientation == PlotOrientation.HORIZONTAL) {
        // change rendering order to ensure that bar overlapping is the
        // right way around
        plot.setColumnRenderingOrder(SortOrder.DESCENDING);
    }

    // create the chart...
    JFreeChart chart = new JFreeChart("StackedBar Chart 3D Demo 1", JFreeChart.DEFAULT_TITLE_FONT, plot,
            legend);
    chart.setBackgroundPaint(Color.white);

    valueAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    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);

    plot.setDomainCrosshairVisible(true);
    plot.setRangeCrosshairVisible(true);

    return chart;

}

---

From source file:com.indicator_engine.controller.GraphController.java

private JFreeChart createBarChart(final CategoryDataset dataset, final String chartTitle) {

    // create the chart...
    final JFreeChart chart = ChartFactory.createBarChart(chartTitle, // chart title
            "Indicators", // domain axis label
            "Count", // range axis label
            dataset, // data
            PlotOrientation.VERTICAL, // orientation
            true, // include legend
            true, // tooltips?
            false // URLs?
    );//w  w w  .j a  va  2  s .c om

    // 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
    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;

}

---

From source file:org.jfree.chart.demo.JFreeChartDemoBase.java

/**
 * Creates and returns a sample stacked vertical bar chart.
 *
 * @return a sample stacked vertical bar chart.
 *///from  w w  w. j  a v  a 2s.  c  om
public JFreeChart createVerticalStackedBarChart() {

    // create a default chart based on some sample data...
    final String title = this.resources.getString("bar.vertical-stacked.title");
    final String domain = this.resources.getString("bar.vertical-stacked.domain");
    final String range = this.resources.getString("bar.vertical-stacked.range");

    final CategoryDataset data = DemoDatasetFactory.createCategoryDataset();
    final JFreeChart chart = ChartFactory.createStackedBarChart(title, domain, range, data,
            PlotOrientation.VERTICAL, true, true, false);

    // then customise it a little...
    chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 1000, 0, Color.red));
    return chart;

}

---

From source file:org.hxzon.demo.jfreechart.CategoryDatasetDemo.java

private static JFreeChart createStackedAreaChart(CategoryDataset dataset) {

    JFreeChart chart = ChartFactory.createStackedAreaChart("StackedArea Chart Demo 1", // chart title
            "Category", // domain axis label
            "Value", // range axis label
            dataset, // data
            PlotOrientation.VERTICAL, // orientation
            true, // include legend
            true, // tooltips?
            false // URLs?
    );//from  w w  w .j  av a  2s .com

    chart.setBackgroundPaint(Color.white);

    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    // set the range axis to display integers only...
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    StackedAreaRenderer renderer = (StackedAreaRenderer) plot.getRenderer();
    //        renderer.setRenderAsPercentages(true);

    // 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);

    return chart;

}

---

From source file:no.met.jtimeseries.chart.Utility.java

/**
 * Create a plot with an error message in case of error.
 * /*from   ww w.j  av a 2 s.c  o  m*/
 * @param width
 *            The width of the plot
 * @return The JFreeChart error plot
 */
public static JFreeChart createErrorChart(int width) {
    XYPlot plot = new XYPlot();
    plot.setBackgroundPaint(null);
    plot.setBackgroundImage(Symbols.getImage("/error.png"));
    JFreeChart jchart = new JFreeChart("", JFreeChart.DEFAULT_TITLE_FONT, plot, true);
    jchart.setBorderVisible(false);
    Paint paint = new GradientPaint(0, 0, Color.WHITE, width, 0, Color.WHITE);
    jchart.setBackgroundPaint(paint);

    return jchart;
}

---

From source file:com.gargoylesoftware.htmlunit.javascript.host.PropertiesTest.java

private void saveChart(final DefaultCategoryDataset dataset) throws IOException {
    final JFreeChart chart = ChartFactory.createBarChart(
            "HtmlUnit implemented properties and methods for " + browserVersion_.getNickname(), "Objects",
            "Count", dataset, PlotOrientation.HORIZONTAL, true, true, false);
    final CategoryPlot plot = (CategoryPlot) chart.getPlot();
    final NumberAxis axis = (NumberAxis) plot.getRangeAxis();
    axis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    final LayeredBarRenderer renderer = new LayeredBarRenderer();
    plot.setRenderer(renderer);//from  w  w w.  j a va 2s  . c o  m
    plot.setRowRenderingOrder(SortOrder.DESCENDING);
    renderer.setSeriesPaint(0, new GradientPaint(0, 0, Color.green, 0, 0, new Color(0, 64, 0)));
    renderer.setSeriesPaint(1, new GradientPaint(0, 0, Color.blue, 0, 0, new Color(0, 0, 64)));
    renderer.setSeriesPaint(2, new GradientPaint(0, 0, Color.red, 0, 0, new Color(64, 0, 0)));
    ImageIO.write(chart.createBufferedImage(1200, 2400), "png",
            new File(getArtifactsDirectory() + "/properties-" + browserVersion_.getNickname() + ".png"));
}

---

From source file:org.jfree.chart.demo.JFreeChartDemoBase.java

/**
 * Creates and returns a sample stacked vertical 3D bar chart.
 *
 * @return a sample stacked vertical 3D bar chart.
 *//*w ww  .ja  v a  2  s.c o  m*/
public JFreeChart createVerticalStacked3DBarChart() {

    // create a default chart based on some sample data...
    final String title = this.resources.getString("bar.vertical-stacked3D.title");
    final String domain = this.resources.getString("bar.vertical-stacked3D.domain");
    final String range = this.resources.getString("bar.vertical-stacked3D.range");
    final CategoryDataset data = DemoDatasetFactory.createCategoryDataset();
    final JFreeChart chart = ChartFactory.createStackedBarChart3D(title, domain, range, data,
            PlotOrientation.VERTICAL, true, true, false);

    // then customise it a little...
    chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 1000, 0, Color.red));
    return chart;

}

---

From source file:org.hxzon.demo.jfreechart.CategoryDatasetDemo2.java

private static JFreeChart createLineChart(CategoryDataset dataset) {

    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);

    LineAndShapeRenderer renderer = new LineAndShapeRenderer(true, false);
    if (tooltips) {
        renderer.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
    }/*from w  w  w. j a  va2s. co  m*/
    if (urls) {
        renderer.setBaseItemURLGenerator(new StandardCategoryURLGenerator());
    }
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis, renderer);
    plot.setOrientation(orientation);
    JFreeChart chart = new JFreeChart("Line Chart Demo 1", JFreeChart.DEFAULT_TITLE_FONT, plot, legend);
    chart.setBackgroundPaint(Color.white);

    valueAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    renderer.setUseOutlinePaint(true);

    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);

    plot.setDomainCrosshairVisible(true);
    plot.setRangeCrosshairVisible(true);

    return chart;

}

---

From source file:com.google.gwt.benchmarks.viewer.server.ReportImageServer.java

private void handleRequest(HttpServletRequest request, HttpServletResponse response) throws IOException {

    String uri = request.getRequestURI();
    String requestString = uri.split("test_images/")[1];
    String[] requestParams = requestString.split("/");

    String reportName = URLDecoder.decode(requestParams[0], charset);
    String categoryName = URLDecoder.decode(requestParams[1], charset);
    // String className = URLDecoder.decode(requestParams[2], charset);
    String testName = URLDecoder.decode(requestParams[3], charset);
    String agent = URLDecoder.decode(requestParams[4], charset);

    ReportDatabase db = ReportDatabase.getInstance();
    Report report = db.getReport(reportName);
    List<Category> categories = report.getCategories();
    Category category = getCategoryByName(categories, categoryName);
    List<Benchmark> benchmarks = category.getBenchmarks();
    Benchmark benchmark = getBenchmarkByName(benchmarks, testName);
    List<Result> results = benchmark.getResults();
    Result result = getResultsByAgent(results, agent);

    String title = BrowserInfo.getBrowser(agent);
    JFreeChart chart = createChart(testName, result, title, results);

    chart.getTitle().setFont(Font.decode("Verdana BOLD 12"));
    chart.setAntiAlias(true);/*from ww w.j  ava  2  s. c om*/
    chart.setBorderVisible(true);
    chart.setBackgroundPaint(new Color(241, 241, 241));

    Plot plot = chart.getPlot();

    plot.setDrawingSupplier(getDrawingSupplier());
    plot.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 640, 480, new Color(200, 200, 200)));

    if (plot instanceof XYPlot) {
        XYPlot xyplot = (XYPlot) plot;
        Font labelFont = Font.decode("Verdana PLAIN");
        xyplot.getDomainAxis().setLabelFont(labelFont);
        xyplot.getRangeAxis().setLabelFont(labelFont);
        org.jfree.chart.renderer.xy.XYItemRenderer xyitemrenderer = xyplot.getRenderer();
        xyitemrenderer.setStroke(new BasicStroke(4));
        if (xyitemrenderer instanceof XYLineAndShapeRenderer) {
            XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer) xyitemrenderer;
            xylineandshaperenderer.setShapesVisible(true);
            xylineandshaperenderer.setShapesFilled(true);
        }
    }

    // Try to fit all the graphs into a 1024 window, with a min of 240 and a max
    // of 480
    final int graphWidth = Math.max(240, Math.min(480, (1024 - 10 * results.size()) / results.size()));
    BufferedImage img = chart.createBufferedImage(graphWidth, 240);
    byte[] image = EncoderUtil.encode(img, ImageFormat.PNG);

    // The images have unique URLs; might as well set them to never expire.
    response.setHeader("Cache-Control", "max-age=0");
    response.setHeader("Expires", "Fri, 2 Jan 1970 00:00:00 GMT");
    response.setContentType("image/png");
    response.setContentLength(image.length);

    OutputStream output = response.getOutputStream();
    output.write(image);
}

---

From source file:org.hxzon.demo.jfreechart.CategoryDatasetDemo.java

private static JFreeChart createWaterfallChart(CategoryDataset dataset) {

    JFreeChart chart = ChartFactory.createWaterfallChart("Waterfall Chart Demo 1", // chart title
            "Category", // domain axis label
            "Value", // range axis label
            dataset, // data
            PlotOrientation.VERTICAL, // orientation
            true, // include legend
            true, // tooltips?
            false // URLs?
    );/*from   w w  w . ja v  a 2 s.  c o m*/

    chart.setBackgroundPaint(Color.white);

    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    // set the range axis to display integers only...
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    WaterfallBarRenderer renderer = (WaterfallBarRenderer) plot.getRenderer();

    // 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);

    //??
    renderer.setFirstBarPaint(gp0);
    renderer.setLastBarPaint(gp2);
    renderer.setPositiveBarPaint(Color.orange);
    renderer.setNegativeBarPaint(Color.cyan);

    return chart;

}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• »