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.jfree.chart.demo.JFreeChartDemoBase.java

/**
 * Creates and returns a sample wind plot.
 *
 * @return a sample wind plot.//  w  ww . j a  v  a 2s .co m
 */
public JFreeChart createWindPlot() {

    // create a default chart based on some sample data...
    final String title = this.resources.getString("other.wind.title");
    final String domain = this.resources.getString("other.wind.domain");
    final String range = this.resources.getString("other.wind.range");
    final WindDataset data = DemoDatasetFactory.createWindDataset1();
    final JFreeChart chart = ChartFactory.createWindPlot(title, domain, range, data, true, false, false);

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

}

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

/**
 * Creates and returns a sample scatter plot.
 *
 * @return a sample scatter plot./*from w ww  .  j a v a  2  s  . co  m*/
 */
public JFreeChart createScatterPlot() {

    // create a default chart based on some sample data...
    final String title = this.resources.getString("other.scatter.title");
    final String domain = this.resources.getString("other.scatter.domain");
    final String range = this.resources.getString("other.scatter.range");
    final XYDataset data = new SampleXYDataset2();
    final JFreeChart chart = ChartFactory.createScatterPlot(title, domain, range, data,
            PlotOrientation.VERTICAL, true, true, // tooltips
            false // urls
    );

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

    final XYPlot plot = chart.getXYPlot();
    plot.setDomainCrosshairVisible(true);
    plot.setRangeCrosshairVisible(true);
    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setAutoRangeIncludesZero(false);
    return chart;

}

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

/**
 * Creates and returns a sample line chart.
 *
 * @return a line chart.//from   ww  w. j a v  a 2 s  .  c o m
 */
public JFreeChart createLineChart() {

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

    // then customise it a little...
    chart.setBackgroundImage(JFreeChart.INFO.getLogo());
    chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.green));

    final CategoryPlot plot = (CategoryPlot) chart.getPlot();
    plot.setBackgroundAlpha(0.65f);
    return chart;
}

---

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

/**
 * Creates and returns a sample vertical XY bar chart.
 *
 * @return a sample vertical XY bar chart.
 *///from  w  w  w. j a v  a 2 s  .  co m
public JFreeChart createVerticalXYBarChart() {

    // create a default chart based on some sample data...
    final String title = this.resources.getString("other.xybar.title");
    final String domain = this.resources.getString("other.xybar.domain");
    final String range = this.resources.getString("other.xybar.range");
    final TimeSeriesCollection data = DemoDatasetFactory.createTimeSeriesCollection1();
    data.setDomainIsPointsInTime(false);
    final JFreeChart chart = ChartFactory.createXYBarChart(title, domain, true, range, data,
            PlotOrientation.VERTICAL, true, false, false);

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

    final XYItemRenderer renderer = chart.getXYPlot().getRenderer();
    renderer.setToolTipGenerator(StandardXYToolTipGenerator.getTimeSeriesInstance());
    return chart;
}

---

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

/**
 * Creates and returns a sample XY chart with null data.
 *
 * @return a chart.//from   ww  w  .j a v  a 2  s  .c om
 */
public JFreeChart createNullXYPlot() {

    // create a default chart based on some sample data...
    final String title = this.resources.getString("test.null.title");
    final String domain = this.resources.getString("test.null.domain");
    final String range = this.resources.getString("test.null.range");
    final XYDataset data = null;
    final JFreeChart chart = ChartFactory.createXYLineChart(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.jfree.chart.demo.JFreeChartDemoBase.java

/**
 * Creates a sample XY plot with an empty dataset.
 *
 * @return a sample XY plot with an empty dataset.
 *//*from  www .  j a  va2  s.com*/
public JFreeChart createXYPlotZeroData() {

    // create a default chart based on some sample data...
    final String title = this.resources.getString("test.zero.title");
    final String domain = this.resources.getString("test.zero.domain");
    final String range = this.resources.getString("test.zero.range");
    final XYDataset data = new EmptyXYDataset();
    final JFreeChart chart = ChartFactory.createXYLineChart(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:com.jtstand.swing.StatsPanel.java

public JFreeChart getChartDistribution(boolean horizontal) {
    //        System.out.println("Min: " + minValue());
    //        System.out.println("Max: " + maxValue());
    XYIntervalSeriesCollection datasetDistribution = createIntervalXYDatasetDistribution(horizontal);
    XYSeriesCollection dataset2 = createXYDatasetGauss(horizontal);
    // create the chart...
    NumberAxis xAxis = new NumberAxis(getValueString());
    xAxis.setAutoRangeIncludesZero(false);
    //        NumberAxis yAxis = new NumberAxis("Distribution");
    NumberAxis yAxis = new NumberAxis();
    yAxis.setAutoRangeIncludesZero(true);
    //XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer();
    renderer = new MyBarRenderer();
    XYPlot plot = new XYPlot(datasetDistribution, xAxis, yAxis, renderer);
    plot.setOrientation(horizontal ? PlotOrientation.HORIZONTAL : PlotOrientation.VERTICAL);
    renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
    JFreeChart chart = new JFreeChart(null, JFreeChart.DEFAULT_TITLE_FONT, plot, isGrouping());
    chart.setBackgroundPaint((Paint) UIManager.get("Panel.background"));
    //        plot.setBackgroundPaint(Color.white);
    plot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
    plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
    StandardXYItemLabelGenerator itemlabels = new StandardXYItemLabelGenerator();
    renderer.setBaseItemLabelGenerator(itemlabels);
    renderer.setBaseItemLabelsVisible(true);
    plot.setDataset(1, dataset2);/*from  ww w . j a  v a 2 s .co  m*/
    plot.mapDatasetToRangeAxis(1, 1);
    //        ValueAxis domainAxis = plot.getDomainAxis();
    //domainAxis.setCategoryLabelPositions(horizontal?CategoryLabelPositions.STANDARD:CategoryLabelPositions.UP_90);
    ValueAxis axis2 = new NumberAxis("Gaussian");
    plot.setRangeAxis(1, axis2);
    axis2.setVisible(false);
    final XYLineAndShapeRenderer renderer2 = new XYLineAndShapeRenderer();
    //renderer2.setShapesVisible(false);
    //renderer2.setSeriesVisibleInLegend(false);
    renderer2.setBaseSeriesVisibleInLegend(false);
    //renderer2.setToolTipGenerator(new StandardCategoryToolTipGenerator());
    plot.setRenderer(1, renderer2);
    renderer.setUseYInterval(true);
    renderer.setBaseSeriesVisibleInLegend(false);
    /* coloring */
    Color c;
    if (isMultipleCategorization()) {
        //            TreeMap<String, Color> cmap = new TreeMap<String, Color>();
        int i = 0;
        for (Iterator<String> it = catstats.keySet().iterator(); it.hasNext(); i++) {
            String groupName = it.next();
            c = ChartCategories.getColor(i);
            for (int j = 0; j < datasetDistribution.getSeriesCount(); j++) {
                XYIntervalSeries s = datasetDistribution.getSeries(j);
                if (s.getKey().equals(groupName)) {
                    GradientPaint gp = new GradientPaint(0.0f, 0.0f, c, 0.0f, 0.0f, c.darker().darker());
                    renderer.setSeriesPaint(j, gp);
                }
            }
            for (int j = 0; j < dataset2.getSeriesCount(); j++) {
                XYSeries s = dataset2.getSeries(j);
                if (s.getKey().equals(groupName)) {
                    renderer2.setSeriesPaint(j, c);
                    renderer2.setSeriesShapesVisible(j, false);
                    renderer2.setSeriesStroke(j, myStroke);
                }
            }
        }
        c = Color.black;
    } else {
        c = ChartCategories.getColor(0);
        GradientPaint gp = new GradientPaint(0.0f, 0.0f, c, 0.0f, 0.0f, c.darker().darker());
        renderer.setSeriesPaint(0, gp);
    }
    renderer2.setSeriesPaint(0, c);
    renderer2.setSeriesShapesVisible(0, false);
    renderer2.setSeriesStroke(0, myStroke);

    placeLimitMarkers(plot, false);
    //        renderer.setAutoPopulateSeriesOutlinePaint(true);
    //        renderer.setBaseOutlinePaint(Color.black);
    //        renderer.setSeriesOutlinePaint(0, Color.black, true);
    //        renderer.setDrawBarOutline(true);

    renderer.setHighlightedItem(0, 0);
    yAxis.setAutoRange(false);
    yAxis.setAutoRange(true);
    xAxis.setRange(leftValue(0), rightValue(numberOfCategories - 1));
    chart.setTextAntiAlias(false);
    return chart;
}

---

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

/**
 * Creates and returns a sample time series chart that will be displayed in a scroll pane.
 *
 * @return a sample time series chart.//from   w ww  .j a v  a 2  s  .  com
 */
public JFreeChart createTimeSeriesChartInScrollPane() {

    // create a default chart based on some sample data...
    final String title = this.resources.getString("test.scroll.title");
    final String domain = this.resources.getString("test.scroll.domain");
    final String range = this.resources.getString("test.scroll.range");
    final String subtitleStr = this.resources.getString("test.scroll.subtitle");
    final XYDataset data = DemoDatasetFactory.createTimeSeriesCollection2();
    final JFreeChart chart = ChartFactory.createTimeSeriesChart(title, domain, range, data, true, true, false);

    // then customise it a little...
    final TextTitle subtitle = new TextTitle(subtitleStr, new Font("SansSerif", Font.BOLD, 12));
    chart.addSubtitle(subtitle);
    chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 0, 1000, Color.gray));
    return chart;

}

---

From source file:com.rapidminer.gui.viewer.metadata.AttributeStatisticsPanel.java

@Override
public void paintComponent(final Graphics g) {
    Graphics2D g2 = (Graphics2D) g;
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    int x = 0;/*from  w  ww  .j  a v  a2 s .  c  o m*/
    int y = 0;
    int width = (int) getSize().getWidth();
    int height = (int) getSize().getHeight();

    // draw background depending special roles and hovering
    if (getModel() != null && getModel().isSpecialAtt()) {
        if (Attributes.LABEL_NAME.equals(getModel().getSpecialAttName())) {
            // label special attributes have a distinct color
            g2.setPaint(
                    new GradientPaint(x, y, getColorForSpecialAttribute(Attributes.LABEL_NAME, true, hovered),
                            x, height, getColorForSpecialAttribute(Attributes.LABEL_NAME, false, hovered)));
        } else if (Attributes.WEIGHT_NAME.equals(getModel().getSpecialAttName())) {
            // weight special attributes have another distinct color
            g2.setPaint(
                    new GradientPaint(x, y, getColorForSpecialAttribute(Attributes.WEIGHT_NAME, true, hovered),
                            x, height, getColorForSpecialAttribute(Attributes.WEIGHT_NAME, false, hovered)));
        } else if (Attributes.PREDICTION_NAME.equals(getModel().getSpecialAttName())) {
            // prediction special attributes have another distinct color
            g2.setPaint(new GradientPaint(x, y,
                    getColorForSpecialAttribute(Attributes.PREDICTION_NAME, true, hovered), x, height,
                    getColorForSpecialAttribute(Attributes.PREDICTION_NAME, false, hovered)));
        } else if (getModel().getSpecialAttName().startsWith(Attributes.CONFIDENCE_NAME + "_")) {
            // confidence special attributes have another distinct color
            g2.setPaint(new GradientPaint(x, y,
                    getColorForSpecialAttribute(Attributes.CONFIDENCE_NAME, true, hovered), x, height,
                    getColorForSpecialAttribute(Attributes.CONFIDENCE_NAME, false, hovered)));
        } else if (Attributes.ID_NAME.equals(getModel().getSpecialAttName())) {
            // id special attributes have another distinct color
            g2.setPaint(new GradientPaint(x, y, getColorForSpecialAttribute(Attributes.ID_NAME, true, hovered),
                    x, height, getColorForSpecialAttribute(Attributes.ID_NAME, false, hovered)));
        } else {
            // other special attributes have another color
            g2.setPaint(
                    new GradientPaint(x, y, getColorForSpecialAttribute(GENERIC_SPECIAL_NAME, true, hovered), x,
                            height, getColorForSpecialAttribute(GENERIC_SPECIAL_NAME, false, hovered)));
        }
    } else {
        // regular attributes
        g2.setPaint(
                new GradientPaint(x, y, getColorForSpecialAttribute(Attributes.ATTRIBUTE_NAME, true, hovered),
                        x, height, getColorForSpecialAttribute(Attributes.ATTRIBUTE_NAME, false, hovered)));
    }
    g2.fillRoundRect(x, y, width, height, CORNER_ARC_WIDTH, CORNER_ARC_WIDTH);

    // draw border
    g2.setPaint(new GradientPaint(x, y, COLOR_BORDER_GRADIENT_FIRST, x, height, COLOR_BORDER_GRADIENT_SECOND));
    if (hovered) {
        g2.setStroke(new BasicStroke(1.0f));
    } else {
        g2.setStroke(new BasicStroke(0.5f));
    }
    g2.drawRoundRect(x, y, width - 1, height - 1, CORNER_ARC_WIDTH, CORNER_ARC_WIDTH);

    // let Swing draw its components
    super.paintComponent(g2);
}

---

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

/**
 * Creates and returns a sample bar chart with just one series.
 *
 * @return a sample bar chart.//from w ww . j a va  2s  .  c  o  m
 */
public JFreeChart createSingleSeriesBarChart() {

    // create a default chart based on some sample data...
    final String title = this.resources.getString("test.single.title");
    final String domain = this.resources.getString("test.single.domain");
    final String range = this.resources.getString("test.single.range");
    final String subtitle1Str = this.resources.getString("test.single.subtitle1");
    final String subtitle2Str = this.resources.getString("test.single.subtitle2");

    final CategoryDataset data = DemoDatasetFactory.createSingleSeriesCategoryDataset();

    final JFreeChart chart = ChartFactory.createBarChart(title, domain, range, data, PlotOrientation.HORIZONTAL,
            true, true, false);
    chart.addSubtitle(new TextTitle(subtitle1Str));
    chart.addSubtitle(new TextTitle(subtitle2Str));
    chart.setBackgroundPaint(new GradientPaint(0, 0, Color.white, 1000, 0, Color.red));
    return chart;

}

---

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