Example usage for java.awt Graphics2D fill

List of usage examples for java.awt Graphics2D fill

Introduction

In this page you can find the example usage for java.awt Graphics2D fill.

Prototype

public abstract void fill(Shape s);

Source Link

Document

Fills the interior of a Shape using the settings of the Graphics2D context.

Usage

From source file:org.talend.dataprofiler.chart.util.TopChartFactory.java

/**
 * Creates a bubble chart with default settings. The chart is composed of an {@link XYPlot}, with a {@link NumberAxis} for the
 * domain axis, a {@link NumberAxis} for the range axis, and an {@link XYBubbleRenderer} to draw the data items.
 * //from   ww  w.  jav a  2 s.com
 * This method is copied from
 * {@link org.jfree.chart.ChartFactory#createBubbleChart(String, String, String, XYZDataset, PlotOrientation, boolean, boolean, boolean)}
 * 
 * @param title the chart title (<code>null</code> permitted).
 * @param xAxisLabel a label for the X-axis (<code>null</code> permitted).
 * @param yAxisLabel a label for the Y-axis (<code>null</code> permitted).
 * @param dataset the dataset for the chart (<code>null</code> permitted).
 * @param orientation the orientation (horizontal or vertical) (<code>null</code> NOT permitted).
 * @param legend a flag specifying whether or not a legend is required.
 * @param tooltips configure chart to generate tool tips?
 * @param urls configure chart to generate URLs?
 * 
 * @return A bubble chart.
 */
public static JFreeChart createBubbleChart(String title, String xAxisLabel, String yAxisLabel,
        XYZDataset dataset, PlotOrientation orientation, boolean legend, boolean tooltips, boolean urls) {

    if (orientation == null) {
        throw new IllegalArgumentException(Messages.getString("TopChartFactory.argument")); //$NON-NLS-1$
    }
    NumberAxis xAxis = new NumberAxis(xAxisLabel);
    xAxis.setAutoRangeIncludesZero(false);
    NumberAxis yAxis = new NumberAxis(yAxisLabel);
    yAxis.setAutoRangeIncludesZero(false);

    XYPlot plot = new XYPlot(dataset, xAxis, yAxis, null);

    XYItemRenderer renderer = new XYBubbleRenderer(XYBubbleRenderer.SCALE_ON_RANGE_AXIS) {

        @Override
        public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea,
                PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis,
                XYDataset dataset, int series, int item, CrosshairState crosshairState, int pass) {

            // return straight away if the item is not visible
            if (!getItemVisible(series, item)) {
                return;
            }

            PlotOrientation orientation = plot.getOrientation();

            // get the data point...
            double x = dataset.getXValue(series, item);
            double y = dataset.getYValue(series, item);
            double z = Double.NaN;
            if (dataset instanceof XYZDataset) {
                XYZDataset xyzData = (XYZDataset) dataset;
                z = xyzData.getZValue(series, item);
            }
            if (!Double.isNaN(z)) {
                RectangleEdge domainAxisLocation = plot.getDomainAxisEdge();
                RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();
                double transX = domainAxis.valueToJava2D(x, dataArea, domainAxisLocation);
                double transY = rangeAxis.valueToJava2D(y, dataArea, rangeAxisLocation);

                double transDomain = 0.0;
                double transRange = 0.0;
                double zero;

                // MOD scorreia +2L avoid points: minimal size of circle must be 1
                // z = z * transX + 1;

                // ADD xqliu 2009-07-06 bug 8035
                double zSize = getBubbleSize(z); // calculate the multiple of bubble's default size
                z = 0; // use bubble's default size
                // ~

                switch (getScaleType()) {
                case SCALE_ON_DOMAIN_AXIS:
                    zero = domainAxis.valueToJava2D(0.0, dataArea, domainAxisLocation);
                    transDomain = domainAxis.valueToJava2D(z, dataArea, domainAxisLocation) - zero;
                    transRange = transDomain;
                    break;
                case SCALE_ON_RANGE_AXIS:
                    zero = rangeAxis.valueToJava2D(0.0, dataArea, rangeAxisLocation);
                    transRange = zero - rangeAxis.valueToJava2D(z, dataArea, rangeAxisLocation);
                    transDomain = transRange;
                    break;
                default:
                    double zero1 = domainAxis.valueToJava2D(0.0, dataArea, domainAxisLocation);
                    double zero2 = rangeAxis.valueToJava2D(0.0, dataArea, rangeAxisLocation);
                    transDomain = domainAxis.valueToJava2D(z, dataArea, domainAxisLocation) - zero1;
                    transRange = zero2 - rangeAxis.valueToJava2D(z, dataArea, rangeAxisLocation);
                }
                transDomain = Math.abs(transDomain);
                transRange = Math.abs(transRange);

                // MODSCA 2008-11-27 enlarge ellipse by diag% of the total diagonal
                double diag = Math.sqrt(dataArea.getHeight() * dataArea.getHeight()
                        + dataArea.getWidth() * dataArea.getWidth());
                transDomain += diag / 100;
                transRange += diag / 100;

                Ellipse2D circle = null;

                // ADD xqliu 2009-07-06 bug 8035
                transDomain *= zSize;
                transRange *= zSize;
                // ~

                if (orientation == PlotOrientation.VERTICAL) {
                    circle = new Ellipse2D.Double(transX - transDomain / 2.0, transY - transRange / 2.0,
                            transDomain, transRange);
                } else if (orientation == PlotOrientation.HORIZONTAL) {
                    circle = new Ellipse2D.Double(transY - transRange / 2.0, transX - transDomain / 2.0,
                            transRange, transDomain);
                }
                g2.setPaint(getItemPaint(series, item));
                g2.fill(circle);
                g2.setStroke(getItemOutlineStroke(series, item));
                g2.setPaint(getItemOutlinePaint(series, item));
                g2.draw(circle);

                if (isItemLabelVisible(series, item)) {
                    if (orientation == PlotOrientation.VERTICAL) {
                        drawItemLabel(g2, orientation, dataset, series, item, transX, transY, false);
                    } else if (orientation == PlotOrientation.HORIZONTAL) {
                        drawItemLabel(g2, orientation, dataset, series, item, transY, transX, false);
                    }
                }

                // add an entity if this info is being collected
                EntityCollection entities = null;
                if (info != null) {
                    entities = info.getOwner().getEntityCollection();
                    if (entities != null && circle.intersects(dataArea)) {
                        addEntity(entities, circle, dataset, series, item, circle.getCenterX(),
                                circle.getCenterY());
                    }
                }

                int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
                int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
                updateCrosshairValues(crosshairState, x, y, domainAxisIndex, rangeAxisIndex, transX, transY,
                        orientation);
            }

        }

        /**
         * DOC xqliu : calculate the size of bubble. for bug 8035 2009-07-06.
         * 
         * @param z multiple of bubble's default size
         * @return
         */
        private double getBubbleSize(double z) {
            if (z > 0 && z <= 10) {
                return 2;
            } else if (z > 10 && z <= 100) {
                return 3;
            } else if (z > 100) {
                return 4;
            }
            return 1;
        }

    };
    if (tooltips) {
        renderer.setBaseToolTipGenerator(new StandardXYZToolTipGenerator());
    }
    if (urls) {
        renderer.setURLGenerator(new StandardXYZURLGenerator());
    }
    plot.setRenderer(renderer);
    plot.setOrientation(orientation);

    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

    return chart;

}

From source file:org.talend.dataprofiler.chart.preview.HideSeriesGanttRenderer.java

/**
 * Draws the tasks/subtasks for one item.
 * //from  w  ww .jav  a 2 s . c  o  m
 * @param g2 the graphics device.
 * @param state the renderer state.
 * @param dataArea the data plot area.
 * @param plot the plot.
 * @param domainAxis the domain axis.
 * @param rangeAxis the range axis.
 * @param dataset the data.
 * @param row the row index (zero-based).
 * @param column the column index (zero-based).
 */
protected void drawTasks(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea,
        CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, GanttCategoryDataset dataset, int row,
        int column) {

    int count = dataset.getSubIntervalCount(row, column);
    if (count == 0 && getItemVisible(row, column)) {
        drawTask(g2, state, dataArea, plot, domainAxis, rangeAxis, dataset, row, column);
    }

    for (int subinterval = 0; subinterval < count; subinterval++) {

        RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();

        // value 0
        Number value0 = dataset.getStartValue(row, column, subinterval);
        if (value0 == null) {
            return;
        }
        double translatedValue0 = rangeAxis.valueToJava2D(value0.doubleValue(), dataArea, rangeAxisLocation);

        // value 1
        Number value1 = dataset.getEndValue(row, column, subinterval);
        if (value1 == null) {
            return;
        }
        double translatedValue1 = rangeAxis.valueToJava2D(value1.doubleValue(), dataArea, rangeAxisLocation);

        if (translatedValue1 < translatedValue0) {
            double temp = translatedValue1;
            translatedValue1 = translatedValue0;
            translatedValue0 = temp;
        }

        double rectStart = calculateBarW0(plot, plot.getOrientation(), dataArea, domainAxis, state, row,
                column);
        double rectLength = Math.abs(translatedValue1 - translatedValue0);
        double rectBreadth = state.getBarWidth();

        // DRAW THE BARS...
        Rectangle2D bar = null;

        if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {
            bar = new Rectangle2D.Double(translatedValue0, rectStart, rectLength, rectBreadth);
        } else if (plot.getOrientation() == PlotOrientation.VERTICAL) {
            bar = new Rectangle2D.Double(rectStart, translatedValue0, rectBreadth, rectLength);
        }

        Rectangle2D completeBar = null;
        Rectangle2D incompleteBar = null;
        Number percent = dataset.getPercentComplete(row, column, subinterval);
        double start = getStartPercent();
        double end = getEndPercent();
        if (percent != null) {
            double p = percent.doubleValue();
            if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {
                completeBar = new Rectangle2D.Double(translatedValue0, rectStart + start * rectBreadth,
                        rectLength * p, rectBreadth * (end - start));
                incompleteBar = new Rectangle2D.Double(translatedValue0 + rectLength * p,
                        rectStart + start * rectBreadth, rectLength * (1 - p), rectBreadth * (end - start));
            } else if (plot.getOrientation() == PlotOrientation.VERTICAL) {
                completeBar = new Rectangle2D.Double(rectStart + start * rectBreadth,
                        translatedValue0 + rectLength * (1 - p), rectBreadth * (end - start), rectLength * p);
                incompleteBar = new Rectangle2D.Double(rectStart + start * rectBreadth, translatedValue0,
                        rectBreadth * (end - start), rectLength * (1 - p));
            }

        }

        Paint seriesPaint = getItemPaint(row, column);
        g2.setPaint(seriesPaint);
        g2.fill(bar);
        if (completeBar != null) {
            g2.setPaint(getCompletePaint());
            g2.fill(completeBar);
        }
        if (incompleteBar != null) {
            g2.setPaint(getIncompletePaint());
            g2.fill(incompleteBar);
        }
        if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) {
            g2.setStroke(getItemStroke(row, column));
            g2.setPaint(getItemOutlinePaint(row, column));
            g2.draw(bar);
        }

        // collect entity and tool tip information...
        if (state.getInfo() != null) {
            EntityCollection entities = state.getEntityCollection();
            if (entities != null) {
                String tip = null;
                if (getToolTipGenerator(row, column) != null) {
                    tip = getToolTipGenerator(row, column).generateToolTip(dataset, row, column);
                }
                String url = null;
                if (getItemURLGenerator(row, column) != null) {
                    url = getItemURLGenerator(row, column).generateURL(dataset, row, column);
                }
                CategoryItemEntity entity = new CategoryItemEntity(bar, tip, url, dataset, row,
                        dataset.getColumnKey(column), column);
                entities.add(entity);
            }
        }
    }
}

From source file:extern.NpairsBoxAndWhiskerRenderer.java

/**
 * Draws the visual representation of a single data item when the plot has
 * a vertical orientation./*  w w  w. j a va 2 s. c  om*/
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the plot is being drawn.
 * @param plot  the plot (can be used to obtain standard color information
 *              etc).
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset (must be an instance of
 *                 {@link BoxAndWhiskerCategoryDataset}).
 * @param row  the row index (zero-based).
 * @param column  the column index (zero-based).
 */
public void drawVerticalItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea,
        CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row,
        int column) {

    BoxAndWhiskerCategoryDataset bawDataset = (BoxAndWhiskerCategoryDataset) dataset;

    double categoryEnd = domainAxis.getCategoryEnd(column, getColumnCount(), dataArea,
            plot.getDomainAxisEdge());
    double categoryStart = domainAxis.getCategoryStart(column, getColumnCount(), dataArea,
            plot.getDomainAxisEdge());
    double categoryWidth = categoryEnd - categoryStart;

    double xx = categoryStart;
    int seriesCount = getRowCount();
    int categoryCount = getColumnCount();

    double widthToUse = Math.min(state.getBarWidth(), dataArea.getWidth() / 15);

    if (seriesCount > 1) {
        double seriesGap = dataArea.getWidth() * getItemMargin() / (categoryCount * (seriesCount - 1));
        double usedWidth = (widthToUse * seriesCount) + (seriesGap * (seriesCount - 1));
        // offset the start of the boxes if the total width used is smaller
        // than the category width
        double offset = (categoryWidth - usedWidth) / 2;
        xx = xx + offset + (row * (widthToUse + seriesGap));
    } else {
        // offset the start of the box if the box width is smaller than the
        // category width
        double offset = (categoryWidth - widthToUse) / 2;
        xx = xx + offset;
    }

    double yyAverage = 0.0;
    double yyOutlier;

    Paint itemPaint = getItemPaint(row, column);
    g2.setPaint(itemPaint);
    Stroke s = getItemStroke(row, column);
    g2.setStroke(s);

    double aRadius = 0; // average radius

    RectangleEdge location = plot.getRangeAxisEdge();

    Number yQ1 = bawDataset.getQ1Value(row, column);
    Number yQ3 = bawDataset.getQ3Value(row, column);
    Number yMax = bawDataset.getMaxRegularValue(row, column);
    Number yMin = bawDataset.getMinRegularValue(row, column);
    Shape box = null;

    double xxmid = xx + widthToUse / 2.0;

    if (yQ1 != null && yQ3 != null && yMax != null && yMin != null) {

        double yyQ1 = rangeAxis.valueToJava2D(yQ1.doubleValue(), dataArea, location);
        double yyQ3 = rangeAxis.valueToJava2D(yQ3.doubleValue(), dataArea, location);
        double yyMax = rangeAxis.valueToJava2D(yMax.doubleValue(), dataArea, location);
        double yyMin = rangeAxis.valueToJava2D(yMin.doubleValue(), dataArea, location);

        // draw the upper shadow...
        g2.draw(new Line2D.Double(xxmid, yyMax, xxmid, yyQ3));
        g2.draw(new Line2D.Double(xx, yyMax, xx + widthToUse, yyMax));

        // draw the lower shadow...
        g2.draw(new Line2D.Double(xxmid, yyMin, xxmid, yyQ1));
        g2.draw(new Line2D.Double(xx, yyMin, xx + widthToUse, yyMin));

        // draw the body...
        box = new Rectangle2D.Double(xx, Math.min(yyQ1, yyQ3), widthToUse, Math.abs(yyQ1 - yyQ3));
        if (this.fillBox) {
            g2.fill(box);
        }
        g2.setStroke(getItemOutlineStroke(row, column));
        g2.setPaint(getItemOutlinePaint(row, column));
        g2.draw(box);
    }

    g2.setPaint(this.artifactPaint);

    // draw mean - SPECIAL AIMS REQUIREMENT...
    Number yMean = bawDataset.getMeanValue(row, column);

    if (yMean != null && !Double.isNaN(yMean.doubleValue())) {
        yyAverage = rangeAxis.valueToJava2D(yMean.doubleValue(), dataArea, location);
        // THIS IS WHAT WE CHANGED
        //            aRadius = widthWeWannaUse / 4;
        aRadius = 4;
        // here we check that the average marker will in fact be visible
        // before drawing it...
        // WE HAD TO CHANGE THIS TOO I DON'T KNOW WHAT THEY WERE DOING
        if ((yyAverage > (dataArea.getMinY() - aRadius)) && (yyAverage < (dataArea.getMaxY() + aRadius))) {
            Ellipse2D.Double avgEllipse = new Ellipse2D.Double(xxmid - aRadius, yyAverage - aRadius,
                    aRadius * 2, aRadius * 2);

            g2.fill(avgEllipse);
            g2.draw(avgEllipse);
        }
    }

    // draw median...
    Number yMedian = bawDataset.getMedianValue(row, column);
    if (yMedian != null && !Double.isNaN(yMedian.doubleValue())) {
        double yyMedian = rangeAxis.valueToJava2D(yMedian.doubleValue(), dataArea, location);
        g2.draw(new Line2D.Double(xx, yyMedian, xx + widthToUse, yyMedian));

        // add a line to connect the means of the boxes
        if (prevX != -1.0 && prevY != -1.0) {
            g2.draw(new Line2D.Double(prevX, prevY, xxmid, yyMedian));
        }

        prevX = xxmid;
        prevY = yyMedian;
    }

    // draw yOutliers...
    g2.setPaint(itemPaint);

    // draw outliers
    double oRadius = 4; // outlier radius
    List<Outlier> outliers = new ArrayList<Outlier>();

    // From outlier array sort out which are outliers and put these into a
    // list If there are any farouts, set the flag on the
    // OutlierListCollection
    List<Number> yOutliers = bawDataset.getOutliers(row, column);
    if (yOutliers != null) {
        for (int i = 0; i < yOutliers.size(); i++) {
            double outlier = yOutliers.get(i).doubleValue();

            yyOutlier = rangeAxis.valueToJava2D(outlier, dataArea, location);
            outliers.add(new Outlier(xxmid, yyOutlier, oRadius));
        }

        // Process outliers. Each outlier is either added to the
        // appropriate outlier list or a new outlier list is made
        for (Outlier outlier : outliers) {
            Point2D point = outlier.getPoint();

            drawEllipse(point, oRadius, g2);
        }

        //            for (Iterator iterator = outlierListCollection.iterator();
        //                     iterator.hasNext();) {
        //                OutlierList list = (OutlierList) iterator.next();
        //                Outlier outlier = list.getAveragedOutlier();
        //                Point2D point = outlier.getPoint();
        //
        //                if (list.isMultiple()) {
        //                    drawMultipleEllipse(point, widthWeWannaUse, oRadius,
        //                            g2);
        //                }
        //                else {
        //                    drawEllipse(point, oRadius, g2);
        //                }
        //            }
        //
        //            // draw farout indicators
        //            if (outlierListCollection.isHighFarOut()) {
        //                drawHighFarOut(aRadius / 2.0, g2,
        //                        xx + widthWeWannaUse / 2.0, maxAxisValue);
        //            }
        //
        //            if (outlierListCollection.isLowFarOut()) {
        //                drawLowFarOut(aRadius / 2.0, g2,
        //                        xx + widthWeWannaUse / 2.0, minAxisValue);
        //            }
        //        }
        //        // collect entity and tool tip information...
        //        if (state.getInfo() != null && box != null) {
        //            EntityCollection entities = state.getEntityCollection();
        //            if (entities != null) {
        //                addItemEntity(entities, dataset, row, column, box);
        //            }
    }

}

From source file:net.sf.maltcms.chromaui.annotations.PeakAnnotationRenderer.java

private void drawOutline(Shape entity, Graphics2D g2, Color fill, Color stroke, ChartPanel chartPanel,
        boolean scale, float alpha) {
    if (entity != null) {
        //System.out.println("Drawing entity with bbox: "+entity.getBounds2D());
        Shape savedClip = g2.getClip();
        Rectangle2D dataArea = chartPanel.getScreenDataArea();
        Color c = g2.getColor();//from   www .jav  a 2s . c  om
        Composite comp = g2.getComposite();
        g2.clip(dataArea);
        g2.setColor(fill);
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        JFreeChart chart = chartPanel.getChart();
        XYPlot plot = (XYPlot) chart.getPlot();
        ValueAxis xAxis = plot.getDomainAxis();
        ValueAxis yAxis = plot.getRangeAxis();
        RectangleEdge xAxisEdge = plot.getDomainAxisEdge();
        RectangleEdge yAxisEdge = plot.getRangeAxisEdge();
        Rectangle2D entityBounds = entity.getBounds2D();
        double viewX = xAxis.valueToJava2D(entityBounds.getCenterX(), dataArea, xAxisEdge);
        double viewY = yAxis.valueToJava2D(entityBounds.getCenterY(), dataArea, yAxisEdge);
        double viewW = xAxis.lengthToJava2D(entityBounds.getWidth(), dataArea, xAxisEdge);
        double viewH = yAxis.lengthToJava2D(entityBounds.getHeight(), dataArea, yAxisEdge);
        PlotOrientation orientation = plot.getOrientation();

        //transform model to origin (0,0) in model coordinates
        AffineTransform toOrigin = AffineTransform.getTranslateInstance(-entityBounds.getCenterX(),
                -entityBounds.getCenterY());
        //transform from origin (0,0) to model location
        AffineTransform toModelLocation = AffineTransform.getTranslateInstance(entityBounds.getCenterX(),
                entityBounds.getCenterY());
        //transform from model scale to view scale
        double scaleX = viewW / entityBounds.getWidth();
        double scaleY = viewH / entityBounds.getHeight();
        Logger.getLogger(getClass().getName()).log(Level.FINE, "Scale x: {0} Scale y: {1}",
                new Object[] { scaleX, scaleY });
        AffineTransform toViewScale = AffineTransform.getScaleInstance(scaleX, scaleY);
        AffineTransform toViewLocation = AffineTransform.getTranslateInstance(viewX, viewY);
        AffineTransform flipTransform = AffineTransform.getScaleInstance(1.0f, -1.0f);
        AffineTransform modelToView = new AffineTransform(toOrigin);
        modelToView.preConcatenate(flipTransform);
        modelToView.preConcatenate(toViewScale);
        modelToView.preConcatenate(toViewLocation);
        //
        //            if (orientation == PlotOrientation.HORIZONTAL) {
        //                entity = ShapeUtilities.createTranslatedShape(entity, viewY,
        //                        viewX);
        //            } else if (orientation == PlotOrientation.VERTICAL) {
        //                entity = ShapeUtilities.createTranslatedShape(entity, viewX,
        //                        viewY);
        //            }
        FlatteningPathIterator iter = new FlatteningPathIterator(modelToView.createTransformedShape(entity)
                .getPathIterator(AffineTransform.getTranslateInstance(0, 0)), 5);
        Path2D.Float path = new Path2D.Float();
        path.append(iter, false);

        g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
        g2.fill(path);
        if (stroke != null) {
            g2.setColor(stroke);
            g2.draw(path);
        }
        g2.setComposite(comp);
        g2.setColor(c);
        g2.setClip(savedClip);
    } else {
        Logger.getLogger(getClass().getName()).info("Entity is null!");
    }
}

From source file:open.dolphin.impl.lbtest.IgnoreNullLineRenderer.java

/**
 * Draw a single data item./*from   ww w .j  a  v a 2 s  .c  om*/
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area in which the data is drawn.
 * @param plot  the plot.
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset.
 * @param row  the row index (zero-based).
 * @param column  the column index (zero-based).
 * @param pass  the pass index.
 */
@Override
public void drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot,
        CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass) {

    // do nothing if item is not visible
    if (!getItemVisible(row, column)) {
        return;
    }

    // do nothing if both the line and shape are not visible
    if (!getItemLineVisible(row, column) && !getItemShapeVisible(row, column)) {
        return;
    }

    // nothing is drawn for null...
    Number v = dataset.getValue(row, column);
    if (v == null) {
        return;
    }

    int visibleRow = state.getVisibleSeriesIndex(row);
    if (visibleRow < 0) {
        return;
    }
    int visibleRowCount = state.getVisibleSeriesCount();

    PlotOrientation orientation = plot.getOrientation();

    // current data point...
    double x1;
    if (getUseSeriesOffset()) {
        x1 = domainAxis.getCategorySeriesMiddle(column, dataset.getColumnCount(), visibleRow, visibleRowCount,
                getItemMargin(), dataArea, plot.getDomainAxisEdge());
    } else {
        x1 = domainAxis.getCategoryMiddle(column, getColumnCount(), dataArea, plot.getDomainAxisEdge());
    }
    double value = v.doubleValue();
    double y1 = rangeAxis.valueToJava2D(value, dataArea, plot.getRangeAxisEdge());

    if (pass == 0 && getItemLineVisible(row, column)) {
        if (column != 0) {
            int prevColumn = getPreviousNotNullColumn(dataset, row, column - 1);
            Number previousValue = (prevColumn != -1) ? dataset.getValue(row, prevColumn) : null;
            if (previousValue != null) {
                // previous data point...
                double previous = previousValue.doubleValue();
                double x0;
                if (getUseSeriesOffset()) {
                    x0 = domainAxis.getCategorySeriesMiddle(prevColumn, dataset.getColumnCount(), visibleRow,
                            visibleRowCount, getItemMargin(), dataArea, plot.getDomainAxisEdge());
                } else {
                    x0 = domainAxis.getCategoryMiddle(prevColumn, getColumnCount(), dataArea,
                            plot.getDomainAxisEdge());
                }
                double y0 = rangeAxis.valueToJava2D(previous, dataArea, plot.getRangeAxisEdge());

                Line2D line = null;
                if (orientation == PlotOrientation.HORIZONTAL) {
                    line = new Line2D.Double(y0, x0, y1, x1);
                } else if (orientation == PlotOrientation.VERTICAL) {
                    line = new Line2D.Double(x0, y0, x1, y1);
                }
                g2.setPaint(getItemPaint(row, column));
                g2.setStroke(getItemStroke(row, column));
                g2.draw(line);
            }
        }
    }

    if (pass == 1) {
        Shape shape = getItemShape(row, column);
        if (orientation == PlotOrientation.HORIZONTAL) {
            shape = ShapeUtilities.createTranslatedShape(shape, y1, x1);
        } else if (orientation == PlotOrientation.VERTICAL) {
            shape = ShapeUtilities.createTranslatedShape(shape, x1, y1);
        }

        if (getItemShapeVisible(row, column)) {
            if (getItemShapeFilled(row, column)) {
                if (getUseFillPaint()) {
                    g2.setPaint(getItemFillPaint(row, column));
                } else {
                    g2.setPaint(getItemPaint(row, column));
                }
                g2.fill(shape);
            }
            if (getDrawOutlines()) {
                if (getUseOutlinePaint()) {
                    g2.setPaint(getItemOutlinePaint(row, column));
                } else {
                    g2.setPaint(getItemPaint(row, column));
                }
                g2.setStroke(getItemOutlineStroke(row, column));
                g2.draw(shape);
            }
        }

        // draw the item label if there is one...
        if (isItemLabelVisible(row, column)) {
            if (orientation == PlotOrientation.HORIZONTAL) {
                drawItemLabel(g2, orientation, dataset, row, column, y1, x1, (value < 0.0));
            } else if (orientation == PlotOrientation.VERTICAL) {
                drawItemLabel(g2, orientation, dataset, row, column, x1, y1, (value < 0.0));
            }
        }

        // submit the current data point as a crosshair candidate
        int datasetIndex = plot.indexOf(dataset);
        updateCrosshairValues(state.getCrosshairState(), dataset.getRowKey(row), dataset.getColumnKey(column),
                value, datasetIndex, x1, y1, orientation);

        // add an item entity, if this information is being collected
        EntityCollection entities = state.getEntityCollection();
        if (entities != null) {
            addItemEntity(entities, dataset, row, column, shape);
        }
    }

}

From source file:gda.plots.SimplePlot.java

/**
 * Part of the implementation of MouseMotionListener - overrides the super class (ChartPanel) implementation so that
 * the mouse can be used to select a rectangle as well as for zooming.
 * /*from   ww  w  .j  a  v  a 2s.c  o m*/
 * @param e
 *            the mouse event which caused the call
 */
@Override
public void mouseDragged(MouseEvent e) {
    // If the rectangle dragger is not in operation then call the
    // super class method (to deal with any possible zooming) then
    // deal with magnifyingImage or magnifyingData.

    if (rd == null) {
        super.mouseDragged(e);
        if ((magnifyingImage || magnifyingData) && (e.getModifiers() & InputEvent.BUTTON3_MASK) == 0) {
            Graphics2D g2 = (Graphics2D) getGraphics();
            g2.setXORMode(dragColour);
            if (magnifyRectangle != null) {
                if (magnifyRectangleIsNew) {
                    magnifyRectangleIsNew = false;
                } else {
                    g2.fill(magnifyRectangle);
                }
            }
            if ((e.getModifiers() & InputEvent.BUTTON1_MASK) != 0) {
                magnifyWidth = e.getX() - magnifyXPoint;
                magnifyHeight = e.getY() - magnifyYPoint;
            }
            recalculateMagnifyRectangle(e);

            if ((e.getModifiers() & InputEvent.BUTTON2_MASK) != 0) {
                magnifier.update(magnifyRectangle);
            }

            if (magnifyRectangle != null) {
                g2.fill(magnifyRectangle);
            }
            g2.dispose();
        }
    } else {
        rd.mouseDragged(e);
    }
}

From source file:org.trade.ui.chart.renderer.CandleRenderer.java

/**
 * Method drawItem.// w ww .  j  a  v  a  2s  .  c o m
 * 
 * @param g2
 *            Graphics2D
 * @param state
 *            XYItemRendererState
 * @param dataArea
 *            Rectangle2D
 * @param info
 *            PlotRenderingInfo
 * @param plot
 *            XYPlot
 * @param domainAxis
 *            ValueAxis
 * @param rangeAxis
 *            ValueAxis
 * @param dataset
 *            XYDataset
 * @param series
 *            int
 * @param item
 *            int
 * @param crosshairState
 *            CrosshairState
 * @param pass
 *            int
 * @see org.jfree.chart.renderer.xy.XYItemRenderer#drawItem(Graphics2D,
 *      XYItemRendererState, Rectangle2D, PlotRenderingInfo, XYPlot,
 *      ValueAxis, ValueAxis, XYDataset, int, int, CrosshairState, int)
 */
public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info,
        XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item,
        CrosshairState crosshairState, int pass) {

    if (dataset instanceof OHLCVwapDataset) {

        // setup for collecting optional entity info...
        EntityCollection entities = null;
        if (info != null) {
            entities = info.getOwner().getEntityCollection();
        }

        CandleDataset candleDataset = (CandleDataset) dataset;
        CandleItem candle = (CandleItem) candleDataset.getSeries(series).getDataItem(item);

        double startX = candle.getPeriod().getFirstMillisecond();
        if (Double.isNaN(startX)) {
            return;
        }
        double endX = candle.getPeriod().getLastMillisecond();
        if (Double.isNaN(endX)) {
            return;
        }

        if (startX <= endX) {
            if (!domainAxis.getRange().intersects(startX, endX)) {
                return;
            }
        } else {
            if (!domainAxis.getRange().intersects(endX, startX)) {
                return;
            }
        }

        RectangleEdge location = plot.getDomainAxisEdge();
        double translatedStartX = domainAxis.valueToJava2D(startX, dataArea, location);
        double translatedEndX = domainAxis.valueToJava2D(endX, dataArea, location);

        double translatedWidth = Math.max(1, Math.abs(translatedEndX - translatedStartX));

        if (getMargin() > 0.0) {
            double cut = translatedWidth * getMargin();
            translatedWidth = translatedWidth - cut;
        }

        double x = candleDataset.getXValue(series, item);
        double yHigh = candleDataset.getHighValue(series, item);
        double yLow = candleDataset.getLowValue(series, item);
        double yOpen = candleDataset.getOpenValue(series, item);
        double yClose = candleDataset.getCloseValue(series, item);

        RectangleEdge domainEdge = plot.getDomainAxisEdge();
        double xx = domainAxis.valueToJava2D(x, dataArea, domainEdge);

        RectangleEdge edge = plot.getRangeAxisEdge();
        double yyHigh = rangeAxis.valueToJava2D(yHigh, dataArea, edge);
        double yyLow = rangeAxis.valueToJava2D(yLow, dataArea, edge);
        double yyOpen = rangeAxis.valueToJava2D(yOpen, dataArea, edge);
        double yyClose = rangeAxis.valueToJava2D(yClose, dataArea, edge);

        Paint outlinePaint = null;
        outlinePaint = getItemOutlinePaint(series, item);
        g2.setStroke(getItemStroke(series, item));
        g2.setPaint(outlinePaint);

        double yyMaxOpenClose = Math.max(yyOpen, yyClose);
        double yyMinOpenClose = Math.min(yyOpen, yyClose);
        double maxOpenClose = Math.max(yOpen, yClose);
        double minOpenClose = Math.min(yOpen, yClose);

        Shape body = null;
        boolean highlight = highlight(series, item);
        /**********************************
         * draw the upper shadow START
         **********************************/

        if (yHigh > maxOpenClose) {
            if (highlight) {
                body = new Rectangle2D.Double(xx - (translatedWidth / 2), yyHigh - 10, translatedWidth,
                        (yyMaxOpenClose - yyHigh) + 10);
                g2.setPaint(Color.YELLOW);
                g2.fill(body);
                g2.draw(body);
            }
        }

        if (yHigh > maxOpenClose) {
            if (nightMode) {
                if (yClose > yOpen) {
                    g2.setPaint(upPaint);
                } else {
                    g2.setPaint(downPaint);
                }
            } else {
                g2.setPaint(Color.black);
            }

            g2.draw(new Line2D.Double(xx, yyHigh, xx, yyMaxOpenClose));
        }

        /**********************************
         * draw the lower shadow START
         **********************************/
        if (yLow < minOpenClose) {
            if (highlight) {
                body = new Rectangle2D.Double(xx - (translatedWidth / 2), yyMinOpenClose, translatedWidth,
                        (yyLow - yyMinOpenClose) + 10);
                g2.setPaint(Color.YELLOW);
                g2.fill(body);
                g2.draw(body);
            }
            if (yLow < minOpenClose) {
                if (nightMode) {
                    if (yClose > yOpen) {
                        g2.setPaint(upPaint);
                    } else {
                        g2.setPaint(downPaint);
                    }
                } else {
                    g2.setPaint(Color.BLACK);
                }
                g2.draw(new Line2D.Double(xx, yyLow, xx, yyMinOpenClose));
            }
        }

        /**********************************
         * draw the body
         **********************************/

        body = new Rectangle2D.Double(xx - (translatedWidth / 2), yyMinOpenClose, translatedWidth,
                yyMaxOpenClose - yyMinOpenClose);

        if (nightMode) {
            g2.setPaint(Color.white);
        } else {
            if (yClose > yOpen) {
                g2.setPaint(upPaint);
            } else {
                g2.setPaint(downPaint);
            }
        }

        g2.fill(body);
        g2.draw(body);

        if (nightMode) {
            if (yClose > yOpen) {
                g2.setPaint(upPaint);
            } else {
                g2.setPaint(downPaint);
            }
        } else {
            g2.setPaint(outlinePaint);
        }
        g2.draw(body);
        // add an entity for the item...
        if (entities != null) {
            String tip = null;
            XYToolTipGenerator generator = getToolTipGenerator(series, item);
            if (generator != null) {
                tip = generator.generateToolTip(dataset, series, item);
            }

            XYItemEntity entity = new XYItemEntity(body, dataset, series, item, tip, null);

            entities.add(entity);
        }

        // update the cross hair point
        double x1 = dataset.getXValue(series, item);
        double y1 = dataset.getYValue(series, item);
        double transX1 = domainAxis.valueToJava2D(x1, dataArea, location);
        double transY1 = rangeAxis.valueToJava2D(y1, dataArea, plot.getRangeAxisEdge());
        int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
        int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
        updateCrosshairValues(crosshairState, x1, y1, domainAxisIndex, rangeAxisIndex, transX1, transY1,
                plot.getOrientation());
    }
}

From source file:ucar.unidata.idv.control.chart.MyScatterPlot.java

/**
 * Draws the fast scatter plot on a Java 2D graphics device (such as the
 * screen or a printer).//www  . jav  a2  s.com
 * a
 * @param g2  the graphics device.
 * @param dataArea the data area
 * @param index which data set
 * @param info  collects chart drawing information (<code>null</code>
 *              permitted).
 * @param crosshairState crosshairState
 *
 * @return did something
 */
public boolean render(Graphics2D g2, Rectangle2D dataArea, int index, PlotRenderingInfo info,
        CrosshairState crosshairState) {

    if (index >= series.size()) {
        return false;
    }
    XYDataset dataset = getDataset(index);
    g2.setStroke(new BasicStroke());
    //                   getRendererForDataset(dataset).getSeriesStroke(0));
    ScatterPlotChartWrapper.MyRenderer renderer = (ScatterPlotChartWrapper.MyRenderer) getRendererForDataset(
            dataset);
    g2.setPaint(renderer.getSeriesPaint(0));
    int shape = renderer.shape;

    PlotOrientation orientation = getOrientation();
    int seenCnt = 0;

    int xx = (int) dataArea.getMinX();
    int ww = (int) dataArea.getWidth();
    int yy = (int) dataArea.getMaxY();
    int hh = (int) dataArea.getHeight();
    ValueAxis rangeAxis = getRangeAxisForDataset(index);
    ValueAxis domainAxis = getDomainAxisForDataset(index);
    double domainMin = domainAxis.getLowerBound();
    double domainLength = domainAxis.getUpperBound() - domainMin;
    double rangeMin = rangeAxis.getLowerBound();
    double rangeLength = rangeAxis.getUpperBound() - rangeMin;
    int boxWidth = 6;

    double[][] data = (double[][]) series.get(index);

    double[] d1 = data[0];
    double[] d2 = data[1];
    int size = d1.length;

    Hashtable seen = new Hashtable();
    int lastX = 0;
    int lastY = 0;
    //TODO: Check for clipping
    //TODO: Try to create a GeneralPath with the points
    //and cal g2.draw just once
    GeneralPath path = new GeneralPath();
    long t1 = System.currentTimeMillis();

    for (int i = 0; i < size; i++) {
        int transX = (int) (xx + ww * (d1[i] - domainMin) / domainLength);
        int transY = (int) (yy - hh * (d2[i] - rangeMin) / rangeLength);
        Object key = transX + "_" + transY;
        if (seen.get(key) != null) {
            seenCnt++;
            continue;
        }
        seen.put(key, key);
        if (crosshairState != null) {
            crosshairState.updateCrosshairPoint(d1[i], d2[i], transX, transY, orientation);
        }

        switch (shape) {

        case LineState.SHAPE_VLINE:
            if (i > 1) {
                g2.drawLine(lastX, lastY, transX, transY);
            }
            lastX = transX;
            lastY = transY;

        case LineState.SHAPE_POINT:
            path.append(new Rectangle((int) transX, (int) transY, 1, 1), false);
            break;

        case LineState.SHAPE_LARGEPOINT:
            path.append(new Rectangle((int) transX, (int) transY, 2, 2), false);
            break;

        case LineState.SHAPE_RECTANGLE:
            path.append(
                    new Rectangle((int) transX - boxWidth / 2, (int) transY - boxWidth / 2, boxWidth, boxWidth),
                    false);
            break;

        case LineState.SHAPE_X:
            g2.drawLine(transX - boxWidth / 2, transY - boxWidth / 2, transX + boxWidth - boxWidth / 2,
                    transY + boxWidth - boxWidth / 2);
            g2.drawLine(transX + boxWidth - boxWidth / 2, transY - boxWidth / 2, transX - boxWidth / 2,
                    transY + boxWidth - boxWidth / 2);
            break;

        case LineState.SHAPE_PLUS:
            g2.drawLine(transX + boxWidth / 2, transY, transX + boxWidth / 2, transY + boxWidth);
            g2.drawLine(transX, transY + boxWidth / 2, transX + boxWidth, transY + boxWidth / 2);
            break;

        }
    }
    g2.fill(path);
    long t2 = System.currentTimeMillis();
    //        System.out.println ("time:" + (t2-t1));
    return true;
}

From source file:edu.dlnu.liuwenpeng.render.BarRenderer.java

/**    
* Draws the bar for a single (series, category) data item.    
*    /*from www.  jav a  2  s . c  o m*/
* @param g2  the graphics device.    
* @param state  the renderer state.    
* @param dataArea  the data area.    
* @param plot  the plot.    
* @param domainAxis  the domain axis.    
* @param rangeAxis  the range axis.    
* @param dataset  the dataset.    
* @param row  the row index (zero-based).    
* @param column  the column index (zero-based).    
* @param pass  the pass index.    
*/
public void drawItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea, CategoryPlot plot,
        CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass) {

    // nothing is drawn for null values...   

    Number dataValue = dataset.getValue(row, column);
    if (dataValue == null) {
        return;
    }

    double value = dataValue.doubleValue();
    PlotOrientation orientation = plot.getOrientation();
    double barW0 = calculateBarW0(plot, orientation, dataArea, domainAxis, state, row, column);
    double[] barL0L1 = calculateBarL0L1(value);
    if (barL0L1 == null) {
        return; // the bar is not visible    
    }

    RectangleEdge edge = plot.getRangeAxisEdge();
    double transL0 = rangeAxis.valueToJava2D(barL0L1[0], dataArea, edge);
    double transL1 = rangeAxis.valueToJava2D(barL0L1[1], dataArea, edge);

    // in the following code, barL0 is (in Java2D coordinates) the LEFT    
    // end of the bar for a horizontal bar chart, and the TOP end of the    
    // bar for a vertical bar chart.  Whether this is the BASE of the bar    
    // or not depends also on (a) whether the data value is 'negative'    
    // relative to the base value and (b) whether or not the range axis is    
    // inverted.  This only matters if/when we apply the minimumBarLength    
    // attribute, because we should extend the non-base end of the bar    
    boolean positive = (value >= this.base);
    boolean inverted = rangeAxis.isInverted();
    double barL0 = Math.min(transL0, transL1);
    double barLength = Math.abs(transL1 - transL0);
    double barLengthAdj = 0.0;
    if (barLength > 0.0 && barLength < getMinimumBarLength()) {
        barLengthAdj = getMinimumBarLength() - barLength;
    }
    double barL0Adj = 0.0;
    if (orientation == PlotOrientation.HORIZONTAL) {
        if (positive && inverted || !positive && !inverted) {
            barL0Adj = barLengthAdj;
        }
    } else {
        if (positive && !inverted || !positive && inverted) {
            barL0Adj = barLengthAdj;
        }
    }

    // draw the bar...    
    Rectangle2D bar = null;
    if (orientation == PlotOrientation.HORIZONTAL) {
        bar = new Rectangle2D.Double(barL0 - barL0Adj, barW0, barLength + barLengthAdj, state.getBarWidth());
    } else {

        bar = new Rectangle2D.Double(barW0, barL0 - barL0Adj, state.getBarWidth(), barLength + barLengthAdj);
    }
    Paint itemPaint = getItemPaint(row, column);
    if (dataset.getValue(row, column).doubleValue() >= 0) {
        itemPaint = Color.red;

    } else {
        itemPaint = Color.GREEN;
    }
    GradientPaintTransformer t = getGradientPaintTransformer();
    if (t != null && itemPaint instanceof GradientPaint) {
        itemPaint = t.transform((GradientPaint) itemPaint, bar);
    }
    g2.setPaint(itemPaint);
    g2.fill(bar);

    // draw the outline...    
    if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) {
        Stroke stroke = getItemOutlineStroke(row, column);
        Paint paint = getItemOutlinePaint(row, column);

        if (dataset.getValue(row, column).doubleValue() >= 0) {
            paint = Color.red;

        } else {
            paint = Color.green;
        }
        if (stroke != null && paint != null) {
            g2.setStroke(stroke);

            g2.setPaint(paint);
            g2.draw(bar);
        }
    }

    CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
    if (generator != null && isItemLabelVisible(row, column)) {
        drawItemLabel(g2, dataset, row, column, plot, generator, bar, (value < 0.0));
    }

    // add an item entity, if this information is being collected    
    EntityCollection entities = state.getEntityCollection();
    if (entities != null) {
        addItemEntity(entities, dataset, row, column, bar);
    }

}

From source file:extern.PlotBySplitClassRenderer.java

/**
 * Draws the visual representation of a single data item when the plot has
 * a vertical orientation.//from  ww w  . j  av  a  2 s. c om
 *
 * @param g2  the graphics device.
 * @param state  the renderer state.
 * @param dataArea  the area within which the plot is being drawn.
 * @param plot  the plot (can be used to obtain standard color information
 *              etc).
 * @param domainAxis  the domain axis.
 * @param rangeAxis  the range axis.
 * @param dataset  the dataset (must be an instance of
 *                 {@link BoxAndWhiskerCategoryDataset}).
 * @param row  the row index (zero-based).
 * @param column  the column index (zero-based).
 */
public void drawVerticalItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea,
        CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row,
        int column) {

    if (lastSplitObj != column) {
        lastSplitObj = column;
        prevX = -1;
        prevY = -1;
    }

    BoxAndWhiskerCategoryDataset bawDataset = (BoxAndWhiskerCategoryDataset) dataset;

    double categoryEnd = domainAxis.getCategoryEnd(column, getColumnCount(), dataArea,
            plot.getDomainAxisEdge());
    double categoryStart = domainAxis.getCategoryStart(column, getColumnCount(), dataArea,
            plot.getDomainAxisEdge());
    double categoryWidth = categoryEnd - categoryStart;

    double xx = categoryStart;
    int seriesCount = getRowCount();
    int categoryCount = getColumnCount();

    double widthToUse = Math.min(state.getBarWidth(), dataArea.getWidth() / 15);

    if (seriesCount > 1) {
        double seriesGap = dataArea.getWidth() * getItemMargin() / (categoryCount * (seriesCount - 1));
        double usedWidth = (widthToUse * seriesCount) + (seriesGap * (seriesCount - 1));
        // offset the start of the boxes if the total width used is smaller
        // than the category width
        double offset = (categoryWidth - usedWidth) / 2;
        xx = xx + offset + (row * (widthToUse + seriesGap));
    } else {
        // offset the start of the box if the box width is smaller than the
        // category width
        double offset = (categoryWidth - widthToUse) / 2;
        xx = xx + offset;
    }

    double yyAverage = 0.0;
    double yyOutlier;

    Paint itemPaint = getItemPaint(row, column);
    g2.setPaint(itemPaint);
    Stroke s = getItemStroke(row, column);
    g2.setStroke(s);

    double aRadius = 0; // average radius

    RectangleEdge location = plot.getRangeAxisEdge();

    Number yQ1 = bawDataset.getQ1Value(row, column);
    Number yQ3 = bawDataset.getQ3Value(row, column);
    Number yMax = bawDataset.getMaxRegularValue(row, column);
    Number yMin = bawDataset.getMinRegularValue(row, column);
    Shape box = null;

    double xxmid = xx + widthToUse / 2.0;
    double yyQ1 = 0;
    double yyQ3 = 0;

    if (yQ1 != null && yQ3 != null && yMax != null && yMin != null) {

        yyQ1 = rangeAxis.valueToJava2D(yQ1.doubleValue(), dataArea, location);
        yyQ3 = rangeAxis.valueToJava2D(yQ3.doubleValue(), dataArea, location);
        double yyMax = rangeAxis.valueToJava2D(yMax.doubleValue(), dataArea, location);
        double yyMin = rangeAxis.valueToJava2D(yMin.doubleValue(), dataArea, location);

        // draw the upper shadow...
        g2.draw(new Line2D.Double(xxmid, yyMax, xxmid, yyQ3));
        g2.draw(new Line2D.Double(xx, yyMax, xx + widthToUse, yyMax));

        // draw the lower shadow...
        g2.draw(new Line2D.Double(xxmid, yyMin, xxmid, yyQ1));
        g2.draw(new Line2D.Double(xx, yyMin, xx + widthToUse, yyMin));

        // draw the body...
        box = new Rectangle2D.Double(xx, Math.min(yyQ1, yyQ3), widthToUse, Math.abs(yyQ1 - yyQ3));
        if (this.fillBox) {
            g2.fill(box);
        }
        g2.setStroke(getItemOutlineStroke(row, column));
        g2.setPaint(getItemOutlinePaint(row, column));
        g2.draw(box);
    }

    g2.setPaint(this.artifactPaint);

    // draw mean - SPECIAL AIMS REQUIREMENT...
    Number yMean = bawDataset.getMeanValue(row, column);

    if (yMean != null && !Double.isNaN(yMean.doubleValue())) {
        yyAverage = rangeAxis.valueToJava2D(yMean.doubleValue(), dataArea, location);
        // THIS IS WHAT WE CHANGED
        //            aRadius = widthWeWannaUse / 4;
        aRadius = 4;
        // here we check that the average marker will in fact be visible
        // before drawing it...
        // WE HAD TO CHANGE THIS TOO I DON'T KNOW WHAT THEY WERE DOING
        if ((yyAverage > (dataArea.getMinY() - aRadius)) && (yyAverage < (dataArea.getMaxY() + aRadius))) {
            Ellipse2D.Double avgEllipse = new Ellipse2D.Double(xxmid - aRadius, yyAverage - aRadius,
                    aRadius * 2, aRadius * 2);

            //If this is a single point only, then draw this point with 
            //the color of its class.
            if (yQ1 != null && yQ3 != null) {
                if (aRadius / 2 > Math.abs(yyQ3 - yyQ1)) {
                    g2.setPaint(itemPaint);
                }
            }

            g2.fill(avgEllipse);
            g2.draw(avgEllipse);
        }
    }

    // draw median...
    Number yMedian = bawDataset.getMedianValue(row, column);

    if (yMedian != null && !Double.isNaN(yMedian.doubleValue())) {

        double yyMedian = rangeAxis.valueToJava2D(yMedian.doubleValue(), dataArea, location);
        g2.draw(new Line2D.Double(xx, yyMedian, xx + widthToUse, yyMedian));

        // add a line to connect the means of the boxes
        if (prevX != -1 && prevY != -1) {
            g2.setPaint(artifactPaint);
            g2.draw(new Line2D.Double(prevX, prevY, xxmid, yyMedian));
        }
        prevX = xxmid;
        prevY = yyMedian;

    }

    // draw yOutliers...
    g2.setPaint(itemPaint);

    // draw outliers
    double oRadius = 4; // outlier radius
    List<Outlier> outliers = new ArrayList<Outlier>();

    // From outlier array sort out which are outliers and put these into a
    // list If there are any farouts, set the flag on the
    // OutlierListCollection
    List<Number> yOutliers = bawDataset.getOutliers(row, column);
    if (yOutliers != null) {
        for (int i = 0; i < yOutliers.size(); i++) {
            double outlier = yOutliers.get(i).doubleValue();

            yyOutlier = rangeAxis.valueToJava2D(outlier, dataArea, location);
            outliers.add(new Outlier(xxmid, yyOutlier, oRadius));
        }

        // Process outliers. Each outlier is either added to the
        // appropriate outlier list or a new outlier list is made
        for (Outlier outlier : outliers) {
            Point2D point = outlier.getPoint();

            drawEllipse(point, oRadius, g2);
        }

    }

}