Examples with GradientPaintTransformer org.jfree.ui.GradientPaintTransformer used on opensource projects

Example 1 with GradientPaintTransformer

use of org.jfree.ui.GradientPaintTransformer in project cubrid-manager by CUBRID.

the class CombinedBarTimeSeriesChart method createBarChart.

/**
	 * Create a bar chart instance.
	 * 
	 * @return a bar chart instance
	 */
private JFreeChart createBarChart() {
    bardataset = new DefaultCategoryDataset();
    if (valueMap != null) {
        for (String key : valueMap.keySet()) {
            bardataset.addValue(0D, key, "");
        }
    }
    bardataset.addValue(barMax, "100", "");
    JFreeChart chart = ChartFactory.createStackedBarChart("", "", "", bardataset, PlotOrientation.VERTICAL, false, false, false);
    chart.setBorderVisible(false);
    chart.setBorderStroke(new BasicStroke(0.0f));
    chart.setBackgroundPaint(Color.BLACK);
    //plot
    CategoryPlot categoryplot = (CategoryPlot) chart.getPlot();
    categoryplot.setOutlineVisible(false);
    RectangleInsets rectangleInsets = new RectangleInsets();
    categoryplot.setAxisOffset(rectangleInsets);
    categoryplot.setBackgroundPaint(Color.BLACK);
    categoryplot.setDomainGridlinesVisible(false);
    categoryplot.setRangeGridlinesVisible(false);
    //renderer
    StackedBarRenderer stackedbarrenderer = (StackedBarRenderer) categoryplot.getRenderer(0);
    stackedbarrenderer.setDrawBarOutline(false);
    stackedbarrenderer.setMaximumBarWidth(0.6);
    stackedbarrenderer.setItemMargin(0);
    //painter
    StandardBarPainter painter = new StandardBarPainter() {

        private static final long serialVersionUID = -3124115075260902181L;

        public void paintBar(Graphics2D g2, BarRenderer renderer, int row, int column, RectangularShape bar, RectangleEdge base) {
            Paint itemPaint = renderer.getItemPaint(row, column);
            GradientPaintTransformer t = renderer.getGradientPaintTransformer();
            if (t != null && itemPaint instanceof GradientPaint) {
                itemPaint = t.transform((GradientPaint) itemPaint, bar);
            }
            g2.setPaint(itemPaint);
            double height = bar.getHeight();
            double width = bar.getWidth();
            double x = bar.getBounds2D().getX();
            double y = bar.getBounds2D().getY();
            int barNumber = (int) (height / 2 + 0.5);
            if (height < 1 && height > 0.5) {
                barNumber = 1;
            }
            for (int i = 0; i < barNumber; i++) {
                RectangularShape subBarLeft = new Rectangle2D.Double(x, y, width / 2, 0.8);
                g2.fill(subBarLeft);
                RectangularShape subBarRight = new Rectangle2D.Double(x + width / 2 + 1, y, width / 2, 0.8);
                g2.fill(subBarRight);
                y += 2;
            }
            if (renderer.isDrawBarOutline()) {
                Stroke stroke = renderer.getItemOutlineStroke(row, column);
                Paint paint = renderer.getItemOutlinePaint(row, column);
                if (stroke != null && paint != null) {
                    g2.setStroke(stroke);
                    g2.setPaint(paint);
                    g2.draw(bar);
                }
            }
        }
    };
    stackedbarrenderer.setBarPainter(painter);
    stackedbarrenderer.setSeriesPaint(0, Color.GREEN);
    stackedbarrenderer.setSeriesPaint(1, Color.RED);
    int backPaintOrder = 1;
    if (valueMap != null) {
        backPaintOrder = valueMap.size();
    }
    stackedbarrenderer.setSeriesPaint(backPaintOrder, new Color(136, 200, 135));
    stackedbarrenderer.setShadowVisible(false);
    stackedbarrenderer.setDrawBarOutline(false);
    //categoryAxis
    categoryAxis = categoryplot.getDomainAxis();
    categoryAxis.setAxisLineVisible(false);
    //	categoryAxis.setCategoryMargin(0);
    categoryAxis.setMinorTickMarksVisible(false);
    categoryAxis.setTickLabelsVisible(false);
    categoryAxis.setTickMarksVisible(false);
    categoryAxis.setLabelPaint(Color.GREEN);
    categoryAxis.setLabelFont(new Font("", 0, 10));
    //valueAxis
    ValueAxis valueAxis = categoryplot.getRangeAxis();
    valueAxis.setVisible(false);
    return chart;
}