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.trade.ui.chart.renderer.HeikinAshiRenderer.java

/**
 * Method drawItem.//from   w  w w .j av  a2 s . co 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 HeikinAshiDataset) {

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

        HeikinAshiDataset highLowData = (HeikinAshiDataset) dataset;

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

        int itemCount = highLowData.getItemCount(series);
        double xxWidth = dataArea.getWidth() / itemCount;

        xxWidth -= 2 * this.getAutoWidthGap();
        xxWidth *= this.getAutoWidthFactor();
        xxWidth = Math.min(xxWidth, this.maxCandleWidth);
        double stickWidth = Math.max(Math.min(3, this.maxCandleWidth), xxWidth);

        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 - (stickWidth / 2), yyHigh - 10, stickWidth,
                        (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 - (stickWidth / 2), yyMinOpenClose, stickWidth,
                        (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 - (stickWidth / 2), yyMinOpenClose, stickWidth,
                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);
        }
    }
}

From source file:umontreal.iro.lecuyer.charts.EmpiricalRenderer.java

/**
 * Draws the visual representation of a single data item.
 *
 * @param g2           the graphics device.
 * @param state        the renderer state.
 * @param dataArea     the area within which the data is being drawn.
 * @param info         collects information about the drawing.
 * @param plot         the plot (can be used to obtain standard color
 *                     information etc).
 * @param domainAxis   the domain axis./* ww w . j  av  a  2 s .  com*/
 * @param rangeAxis    the range axis.
 * @param dataset      the dataset.
 * @param series       the series index (zero-based).
 * @param item         the item index (zero-based).
 * @param crosshairState  crosshair information for the plot 
 *                        (<code>null</code> permitted).
 * @param pass         the pass index.
 */
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 (!getItemVisible(series, item))
        return;
    PlotOrientation orientation = plot.getOrientation();
    java.awt.Paint seriesPaint = getItemPaint(series, item);
    java.awt.Stroke seriesStroke = getItemStroke(series, item);
    g2.setPaint(seriesPaint);
    g2.setStroke(seriesStroke);
    double x0 = dataset.getXValue(series, item);
    double y0 = dataset.getYValue(series, item);
    if (java.lang.Double.isNaN(y0))
        return;
    org.jfree.ui.RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
    org.jfree.ui.RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
    double transX0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
    double transY0 = rangeAxis.valueToJava2D(y0, dataArea, yAxisLocation);

    double x1 = 0, y1 = 0;
    if (item < dataset.getItemCount(series) - 1) {
        x1 = dataset.getXValue(series, item + 1);
        y1 = dataset.getYValue(series, item + 1);
    } else {
        x1 = dataArea.getMaxX();
        y1 = dataArea.getMaxY();
    }

    boolean useFillPaint = getUseFillPaint();
    ;
    boolean drawOutlines = getDrawOutlines();
    if (!java.lang.Double.isNaN(y0)) {
        double transX1;
        double transY1;
        if (item < dataset.getItemCount(series) - 1) {
            transX1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
            transY1 = rangeAxis.valueToJava2D(y1, dataArea, yAxisLocation);
        } else {
            transX1 = x1;
            transY1 = y1;
        }
        Line2D line = state.workingLine;
        if (orientation == PlotOrientation.HORIZONTAL) {
            line.setLine(transY0, transX0, transY0, transX1);
            g2.draw(line);
        } else if (orientation == PlotOrientation.VERTICAL) {
            line.setLine(transX0, transY0, transX1, transY0);
            g2.draw(line);
        }
    }
    if (getItemShapeVisible(series, item)) {
        Shape shape = getItemShape(series, item);
        if (orientation == PlotOrientation.HORIZONTAL)
            shape = ShapeUtilities.createTranslatedShape(shape, transY0, transX0);
        else if (orientation == PlotOrientation.VERTICAL)
            shape = ShapeUtilities.createTranslatedShape(shape, transX0, transY0);
        if (shape.intersects(dataArea)) {
            if (getItemShapeFilled(series, item)) {
                if (useFillPaint)
                    g2.setPaint(getItemFillPaint(series, item));
                else
                    g2.setPaint(getItemPaint(series, item));
                g2.fill(shape);
            }
            if (drawOutlines) {
                if (getUseOutlinePaint())
                    g2.setPaint(getItemOutlinePaint(series, item));
                else
                    g2.setPaint(getItemPaint(series, item));
                g2.setStroke(getItemOutlineStroke(series, item));
                g2.draw(shape);
            }
        }
    }
    if (isItemLabelVisible(series, item)) {
        double xx = transX0;
        double yy = transY0;
        if (orientation == PlotOrientation.HORIZONTAL) {
            xx = transY0;
            yy = transX0;
        }
        drawItemLabel(g2, orientation, dataset, series, item, xx, yy, y0 < 0.0D);
    }
    int domainAxisIndex = plot.getDomainAxisIndex(domainAxis);
    int rangeAxisIndex = plot.getRangeAxisIndex(rangeAxis);
    updateCrosshairValues(crosshairState, x0, y0, domainAxisIndex, rangeAxisIndex, transX0, transY0,
            orientation);
    if (state.getInfo() != null) {
        EntityCollection entities = state.getEntityCollection();
        if (entities != null) {
            int r = getDefaultEntityRadius();
            java.awt.Shape shape = orientation != PlotOrientation.VERTICAL
                    ? ((java.awt.Shape) (new java.awt.geom.Rectangle2D.Double(transY0 - (double) r,
                            transX0 - (double) r, 2 * r, 2 * r)))
                    : ((java.awt.Shape) (new java.awt.geom.Rectangle2D.Double(transX0 - (double) r,
                            transY0 - (double) r, 2 * r, 2 * r)));
            if (shape != null) {
                String tip = null;
                XYToolTipGenerator generator = getToolTipGenerator(series, item);
                if (generator != null)
                    tip = generator.generateToolTip(dataset, series, item);
                String url = null;
                if (getURLGenerator() != null)
                    url = getURLGenerator().generateURL(dataset, series, item);
                XYItemEntity entity = new XYItemEntity(shape, dataset, series, item, tip, url);
                entities.add(entity);
            }
        }
    }
}

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

/**
 * Draws the annotation./*from   w w  w. j  a  v a  2s.c  om*/
 * 
 * @param g2
 *            the graphics device.
 * @param plot
 *            the plot.
 * @param dataArea
 *            the data area.
 * @param domainAxis
 *            the domain axis.
 * @param rangeAxis
 *            the range axis.
 * @param rendererIndex
 *            the renderer index.
 * @param info
 *            the plot rendering info.
 * @param angle
 *            double
 * @param x
 *            double
 * @param y
 *            double
 * @param ledgend
 *            String
 */
public void drawPivotArrow(Graphics2D g2, XYPlot plot, Rectangle2D dataArea, ValueAxis domainAxis,
        ValueAxis rangeAxis, int rendererIndex, PlotRenderingInfo info, double angle, double x, double y,
        String ledgend) {

    double tipRadius = DEFAULT_TIP_RADIUS;
    double baseRadius = DEFAULT_BASE_RADIUS;
    double arrowLength = DEFAULT_ARROW_LENGTH;
    double arrowWidth = DEFAULT_ARROW_WIDTH;
    double labelOffset = DEFAULT_LABEL_OFFSET;
    Font font = DEFAULT_FONT;
    Paint paint = DEFAULT_PAINT;
    boolean outlineVisible = false;
    Paint outlinePaint = Color.black;
    Stroke outlineStroke = new BasicStroke(0.5f);

    TextAnchor textAnchor = DEFAULT_TEXT_ANCHOR;
    TextAnchor rotationAnchor = DEFAULT_ROTATION_ANCHOR;
    double rotationAngle = DEFAULT_ROTATION_ANGLE;

    Stroke arrowStroke = new BasicStroke(1.0f);
    Paint arrowPaint = Color.black;

    PlotOrientation orientation = plot.getOrientation();
    RectangleEdge domainEdge = Plot.resolveDomainAxisLocation(plot.getDomainAxisLocation(), orientation);
    RectangleEdge rangeEdge = Plot.resolveRangeAxisLocation(plot.getRangeAxisLocation(), orientation);
    double j2DX = domainAxis.valueToJava2D(x, dataArea, domainEdge);
    double j2DY = rangeAxis.valueToJava2D(y, dataArea, rangeEdge);
    if (orientation == PlotOrientation.HORIZONTAL) {
        double temp = j2DX;
        j2DX = j2DY;
        j2DY = temp;
    }
    double startX = j2DX + (Math.cos(angle) * baseRadius);
    double startY = j2DY + (Math.sin(angle) * baseRadius);

    double endX = j2DX + (Math.cos(angle) * tipRadius);
    double endY = j2DY + (Math.sin(angle) * tipRadius);

    double arrowBaseX = endX + (Math.cos(angle) * arrowLength);
    double arrowBaseY = endY + (Math.sin(angle) * arrowLength);

    double arrowLeftX = arrowBaseX + (Math.cos(angle + (Math.PI / 2.0)) * arrowWidth);
    double arrowLeftY = arrowBaseY + (Math.sin(angle + (Math.PI / 2.0)) * arrowWidth);

    double arrowRightX = arrowBaseX - (Math.cos(angle + (Math.PI / 2.0)) * arrowWidth);
    double arrowRightY = arrowBaseY - (Math.sin(angle + (Math.PI / 2.0)) * arrowWidth);

    GeneralPath arrow = new GeneralPath();
    arrow.moveTo((float) endX, (float) endY);
    arrow.lineTo((float) arrowLeftX, (float) arrowLeftY);
    arrow.lineTo((float) arrowRightX, (float) arrowRightY);
    arrow.closePath();

    g2.setStroke(arrowStroke);
    g2.setPaint(arrowPaint);
    Line2D line = new Line2D.Double(startX, startY, endX, endY);
    g2.draw(line);
    g2.fill(arrow);

    // draw the label
    double labelX = j2DX + (Math.cos(angle) * (baseRadius + labelOffset));
    double labelY = j2DY + (Math.sin(angle) * (baseRadius + labelOffset));
    g2.setFont(font);
    Shape hotspot = TextUtilities.calculateRotatedStringBounds(ledgend, g2, (float) labelX, (float) labelY,
            textAnchor, rotationAngle, rotationAnchor);
    g2.setPaint(paint);
    TextUtilities.drawRotatedString(ledgend, g2, (float) labelX, (float) labelY, textAnchor, rotationAngle,
            rotationAnchor);
    if (outlineVisible) {
        g2.setStroke(outlineStroke);
        g2.setPaint(outlinePaint);
        g2.draw(hotspot);
    }

    // String toolTip = getToolTipText();
    // String url = getURL();
    // if (toolTip != null || url != null) {
    // addEntity(info, hotspot, rendererIndex, toolTip, url);
    // }

}

From source file:extern.AsymmetricStatisticalBarRenderer.java

/**
 * Draws an item for a plot with a horizontal orientation.
 *
 * @param g2  the graphics device./*from   w  ww  . ja  v a 2s  .  co  m*/
 * @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 data.
 * @param visibleRow  the visible row index.
 * @param row  the row index (zero-based).
 * @param column  the column index (zero-based).
 */
protected void drawHorizontalItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea,
        CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis,
        AsymmetricStatisticalCategoryDataset dataset, int visibleRow, int row, int column) {

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();

    // BAR Y
    double rectY = domainAxis.getCategoryStart(column, getColumnCount(), dataArea, xAxisLocation);

    int seriesCount = state.getVisibleSeriesCount() >= 0 ? state.getVisibleSeriesCount() : getRowCount();
    int categoryCount = getColumnCount();
    if (seriesCount > 1) {
        double seriesGap = dataArea.getHeight() * getItemMargin() / (categoryCount * (seriesCount - 1));
        rectY = rectY + visibleRow * (state.getBarWidth() + seriesGap);
    } else {
        rectY = rectY + visibleRow * state.getBarWidth();
    }

    // BAR X
    Number meanValue = dataset.getMeanValue(row, column);
    if (meanValue == null) {
        return;
    }
    double value = meanValue.doubleValue();
    double base = 0.0;
    double lclip = getLowerClip();
    double uclip = getUpperClip();

    if (uclip <= 0.0) { // cases 1, 2, 3 and 4
        if (value >= uclip) {
            return; // bar is not visible
        }
        base = uclip;
        if (value <= lclip) {
            value = lclip;
        }
    } else if (lclip <= 0.0) { // cases 5, 6, 7 and 8
        if (value >= uclip) {
            value = uclip;
        } else {
            if (value <= lclip) {
                value = lclip;
            }
        }
    } else { // cases 9, 10, 11 and 12
        if (value <= lclip) {
            return; // bar is not visible
        }
        base = getLowerClip();
        if (value >= uclip) {
            value = uclip;
        }
    }

    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
    double transY1 = rangeAxis.valueToJava2D(base, dataArea, yAxisLocation);
    double transY2 = rangeAxis.valueToJava2D(value, dataArea, yAxisLocation);
    double rectX = Math.min(transY2, transY1);

    double rectHeight = state.getBarWidth();
    double rectWidth = Math.abs(transY2 - transY1);

    Rectangle2D bar = new Rectangle2D.Double(rectX, rectY, rectWidth, rectHeight);
    Paint itemPaint = getItemPaint(row, column);
    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 (stroke != null && paint != null) {
            g2.setStroke(stroke);
            g2.setPaint(paint);
            g2.draw(bar);
        }
    }

    // CI lines
    Number n = dataset.getUpperValue(row, column);
    Number m = dataset.getLowerValue(row, column);

    if (n != null && m != null) {
        double valueUpperDelta = n.doubleValue();
        double valueLowerDelta = m.doubleValue();

        double highVal = rangeAxis.valueToJava2D(valueUpperDelta, dataArea, yAxisLocation);
        double lowVal = rangeAxis.valueToJava2D(valueLowerDelta, dataArea, yAxisLocation);

        if (this.errorIndicatorPaint != null) {
            g2.setPaint(this.errorIndicatorPaint);
        } else {
            g2.setPaint(getItemOutlinePaint(row, column));
        }
        if (this.errorIndicatorStroke != null) {
            g2.setStroke(this.errorIndicatorStroke);
        } else {
            g2.setStroke(getItemOutlineStroke(row, column));
        }
        Line2D line = null;
        line = new Line2D.Double(lowVal, rectY + rectHeight / 2.0d, highVal, rectY + rectHeight / 2.0d);
        g2.draw(line);
        line = new Line2D.Double(highVal, rectY + rectHeight * 0.25, highVal, rectY + rectHeight * 0.75);
        g2.draw(line);
        line = new Line2D.Double(lowVal, rectY + rectHeight * 0.25, lowVal, rectY + rectHeight * 0.75);
        g2.draw(line);
    }

    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.AsymmetricStatisticalBarRenderer.java

/**
 * Draws an item for a plot with a vertical orientation.
 *
 * @param g2  the graphics device./* w  w  w .  j  a v a  2 s.c o m*/
 * @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 data.
 * @param visibleRow  the visible row index.
 * @param row  the row index (zero-based).
 * @param column  the column index (zero-based).
 */
protected void drawVerticalItem(Graphics2D g2, CategoryItemRendererState state, Rectangle2D dataArea,
        CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis,
        AsymmetricStatisticalCategoryDataset dataset, int visibleRow, int row, int column) {

    RectangleEdge xAxisLocation = plot.getDomainAxisEdge();

    // BAR X
    double rectX = domainAxis.getCategoryStart(column, getColumnCount(), dataArea, xAxisLocation);

    int seriesCount = state.getVisibleSeriesCount() >= 0 ? state.getVisibleSeriesCount() : getRowCount();
    int categoryCount = getColumnCount();
    if (seriesCount > 1) {
        double seriesGap = dataArea.getWidth() * getItemMargin() / (categoryCount * (seriesCount - 1));
        rectX = rectX + visibleRow * (state.getBarWidth() + seriesGap);
    } else {
        rectX = rectX + visibleRow * state.getBarWidth();
    }

    // BAR Y
    Number meanValue = dataset.getMeanValue(row, column);
    if (meanValue == null) {
        return;
    }

    double value = meanValue.doubleValue();
    double base = 0.0;
    double lclip = getLowerClip();
    double uclip = getUpperClip();

    if (uclip <= 0.0) { // cases 1, 2, 3 and 4
        if (value >= uclip) {
            return; // bar is not visible
        }
        base = uclip;
        if (value <= lclip) {
            value = lclip;
        }
    } else if (lclip <= 0.0) { // cases 5, 6, 7 and 8
        if (value >= uclip) {
            value = uclip;
        } else {
            if (value <= lclip) {
                value = lclip;
            }
        }
    } else { // cases 9, 10, 11 and 12
        if (value <= lclip) {
            return; // bar is not visible
        }
        base = getLowerClip();
        if (value >= uclip) {
            value = uclip;
        }
    }

    RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
    double transY1 = rangeAxis.valueToJava2D(base, dataArea, yAxisLocation);
    double transY2 = rangeAxis.valueToJava2D(value, dataArea, yAxisLocation);
    double rectY = Math.min(transY2, transY1);

    double rectWidth = state.getBarWidth();
    double rectHeight = Math.abs(transY2 - transY1);

    Rectangle2D bar = new Rectangle2D.Double(rectX, rectY, rectWidth, rectHeight);
    Paint itemPaint = getItemPaint(row, column);
    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 (stroke != null && paint != null) {
            g2.setStroke(stroke);
            g2.setPaint(paint);
            g2.draw(bar);
        }
    }

    // CI lines      
    Number n = dataset.getUpperValue(row, column);
    Number m = dataset.getLowerValue(row, column);

    if (n != null && m != null) {
        double valueUpperDelta = n.doubleValue();
        double valueLowerDelta = m.doubleValue();

        if (valueLowerDelta > meanValue.doubleValue()) {
            double temp = valueLowerDelta - meanValue.doubleValue();
            valueLowerDelta = meanValue.doubleValue() - temp;
        }

        if (valueUpperDelta < meanValue.doubleValue()) {
            double temp = meanValue.doubleValue() - valueUpperDelta;
            valueUpperDelta = temp;
        }

        double highVal = rangeAxis.valueToJava2D(valueUpperDelta, dataArea, yAxisLocation);
        double lowVal = rangeAxis.valueToJava2D(valueLowerDelta, dataArea, yAxisLocation);

        if (this.errorIndicatorPaint != null) {
            g2.setPaint(this.errorIndicatorPaint);
        } else {
            g2.setPaint(getItemOutlinePaint(row, column));
        }
        if (this.errorIndicatorStroke != null) {
            g2.setStroke(this.errorIndicatorStroke);
        } else {
            g2.setStroke(getItemOutlineStroke(row, column));
        }

        Line2D line = null;
        line = new Line2D.Double(rectX + rectWidth / 2.0d, lowVal, rectX + rectWidth / 2.0d, highVal);
        g2.draw(line);
        line = new Line2D.Double(rectX + rectWidth / 2.0d - 5.0d, highVal, rectX + rectWidth / 2.0d + 5.0d,
                highVal);
        g2.draw(line);
        line = new Line2D.Double(rectX + rectWidth / 2.0d - 5.0d, lowVal, rectX + rectWidth / 2.0d + 5.0d,
                lowVal);
        g2.draw(line);
    }

    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:org.jfree.chart.demo.GanttRenderer2.java

protected void drawTasks(Graphics2D graphics2d, CategoryItemRendererState categoryitemrendererstate,
        Rectangle2D rectangle2d, CategoryPlot categoryplot, CategoryAxis categoryaxis, ValueAxis valueaxis,
        GanttCategoryDataset ganttcategorydataset, int i, int j) {
    int k = ganttcategorydataset.getSubIntervalCount(i, j);
    if (k == 0)/*from w w w.  j ava 2  s  . c  o m*/
        drawTask(graphics2d, categoryitemrendererstate, rectangle2d, categoryplot, categoryaxis, valueaxis,
                ganttcategorydataset, i, j);
    for (int l = 0; l < k; l++) {
        org.jfree.ui.RectangleEdge rectangleedge = categoryplot.getRangeAxisEdge();
        Number number = ganttcategorydataset.getStartValue(i, j, l);
        if (number == null)
            return;
        double d = valueaxis.valueToJava2D(number.doubleValue(), rectangle2d, rectangleedge);
        Number number1 = ganttcategorydataset.getEndValue(i, j, l);
        if (number1 == null)
            return;
        double d1 = valueaxis.valueToJava2D(number1.doubleValue(), rectangle2d, rectangleedge);
        if (d1 < d) {
            double d2 = d1;
            d1 = d;
            d = d2;
        }
        double d3 = calculateBarW0(categoryplot, categoryplot.getOrientation(), rectangle2d, categoryaxis,
                categoryitemrendererstate, i, j);
        double d4 = Math.abs(d1 - d);
        double d5 = categoryitemrendererstate.getBarWidth();
        java.awt.geom.Rectangle2D.Double double1 = null;
        if (categoryplot.getOrientation() == PlotOrientation.HORIZONTAL)
            double1 = new java.awt.geom.Rectangle2D.Double(d, d3, d4, d5);
        else if (categoryplot.getOrientation() == PlotOrientation.VERTICAL)
            double1 = new java.awt.geom.Rectangle2D.Double(d3, d, d5, d4);
        java.awt.geom.Rectangle2D.Double double2 = null;
        java.awt.geom.Rectangle2D.Double double3 = null;
        Number number2 = ganttcategorydataset.getPercentComplete(i, j, l);
        double d6 = getStartPercent();
        double d7 = getEndPercent();
        if (number2 != null) {
            double d8 = number2.doubleValue();
            if (categoryplot.getOrientation() == PlotOrientation.HORIZONTAL) {
                double2 = new java.awt.geom.Rectangle2D.Double(d, d3 + d6 * d5, d4 * d8, d5 * (d7 - d6));
                double3 = new java.awt.geom.Rectangle2D.Double(d + d4 * d8, d3 + d6 * d5, d4 * (1.0D - d8),
                        d5 * (d7 - d6));
            } else if (categoryplot.getOrientation() == PlotOrientation.VERTICAL) {
                double2 = new java.awt.geom.Rectangle2D.Double(d3 + d6 * d5, d + d4 * (1.0D - d8),
                        d5 * (d7 - d6), d4 * d8);
                double3 = new java.awt.geom.Rectangle2D.Double(d3 + d6 * d5, d, d5 * (d7 - d6),
                        d4 * (1.0D - d8));
            }
        }
        Paint paint = getItemPaint(i, j);
        graphics2d.setPaint(paint);
        graphics2d.fill(double1);
        if (double2 != null) {
            graphics2d.setPaint(getCompletePaint());
            graphics2d.fill(double2);
        }
        if (double3 != null) {
            graphics2d.setPaint(getIncompletePaint());
            graphics2d.fill(double3);
        }
        if (isDrawBarOutline() && categoryitemrendererstate.getBarWidth() > 3D) {
            graphics2d.setStroke(getItemStroke(i, j));
            graphics2d.setPaint(getItemOutlinePaint(i, j));
            graphics2d.draw(double1);
        }
        if (categoryitemrendererstate.getInfo() == null)
            continue;
        EntityCollection entitycollection = categoryitemrendererstate.getEntityCollection();
        if (entitycollection == null)
            continue;
        String s = null;
        if (getToolTipGenerator(i, j) != null)
            s = getToolTipGenerator(i, j).generateToolTip(ganttcategorydataset, i, j);
        String s1 = null;
        if (getItemURLGenerator(i, j) != null)
            s1 = getItemURLGenerator(i, j).generateURL(ganttcategorydataset, i, j);
        CategoryItemEntity categoryitementity = new CategoryItemEntity(double1, s, s1, ganttcategorydataset,
                ganttcategorydataset.getRowKey(i), ganttcategorydataset.getColumnKey(j));
        entitycollection.add(categoryitementity);
    }

}

From source file:org.jfree.chart.demo.GanttRenderer2.java

protected void drawTask(Graphics2D graphics2d, CategoryItemRendererState categoryitemrendererstate,
        Rectangle2D rectangle2d, CategoryPlot categoryplot, CategoryAxis categoryaxis, ValueAxis valueaxis,
        GanttCategoryDataset ganttcategorydataset, int i, int j) {
    PlotOrientation plotorientation = categoryplot.getOrientation();
    org.jfree.ui.RectangleEdge rectangleedge = categoryplot.getRangeAxisEdge();
    Number number = ganttcategorydataset.getEndValue(i, j);
    if (number == null)
        return;/*from   w ww  .  j  ava 2 s.com*/
    double d = valueaxis.valueToJava2D(number.doubleValue(), rectangle2d, rectangleedge);
    Number number1 = ganttcategorydataset.getStartValue(i, j);
    if (number1 == null)
        return;
    double d1 = valueaxis.valueToJava2D(number1.doubleValue(), rectangle2d, rectangleedge);
    if (d1 < d) {
        double d2 = d1;
        d1 = d;
        d = d2;
        Number number2 = number1;
        number1 = number;
        number = number2;
    }
    int k = countNonNullValues(ganttcategorydataset, j);
    if (k == 0)
        return;
    int l = countPriorNonNullValues(ganttcategorydataset, j, i);
    double d3 = (categoryaxis.getCategoryEnd(j, getColumnCount(), rectangle2d, categoryplot.getDomainAxisEdge())
            - categoryaxis.getCategoryStart(j, getColumnCount(), rectangle2d, categoryplot.getDomainAxisEdge()))
            / (double) k;
    double d4 = categoryaxis.getCategoryStart(j, getColumnCount(), rectangle2d,
            categoryplot.getDomainAxisEdge()) + d3 * (double) l;
    double d5 = Math.abs(d1 - d);
    java.awt.geom.Rectangle2D.Double double1 = null;
    if (plotorientation == PlotOrientation.HORIZONTAL)
        double1 = new java.awt.geom.Rectangle2D.Double(d, d4, d5, d3);
    else if (plotorientation == PlotOrientation.VERTICAL)
        double1 = new java.awt.geom.Rectangle2D.Double(d4, d1, d3, d5);
    java.awt.geom.Rectangle2D.Double double2 = null;
    java.awt.geom.Rectangle2D.Double double3 = null;
    Number number3 = ganttcategorydataset.getPercentComplete(i, j);
    double d6 = getStartPercent();
    double d7 = getEndPercent();
    if (number3 != null) {
        double d8 = number3.doubleValue();
        if (categoryplot.getOrientation() == PlotOrientation.HORIZONTAL) {
            double2 = new java.awt.geom.Rectangle2D.Double(d, d4 + d6 * d3, d5 * d8, d3 * (d7 - d6));
            double3 = new java.awt.geom.Rectangle2D.Double(d + d5 * d8, d4 + d6 * d3, d5 * (1.0D - d8),
                    d3 * (d7 - d6));
        } else if (categoryplot.getOrientation() == PlotOrientation.VERTICAL) {
            double2 = new java.awt.geom.Rectangle2D.Double(d4 + d6 * d3, d1 + d5 * (1.0D - d8), d3 * (d7 - d6),
                    d5 * d8);
            double3 = new java.awt.geom.Rectangle2D.Double(d4 + d6 * d3, d1, d3 * (d7 - d6), d5 * (1.0D - d8));
        }
    }
    Paint paint = getItemPaint(i, j);
    graphics2d.setPaint(paint);
    graphics2d.fill(double1);
    if (double2 != null) {
        graphics2d.setPaint(getCompletePaint());
        graphics2d.fill(double2);
    }
    if (double3 != null) {
        graphics2d.setPaint(getIncompletePaint());
        graphics2d.fill(double3);
    }
    if (isDrawBarOutline() && categoryitemrendererstate.getBarWidth() > 3D) {
        java.awt.Stroke stroke = getItemOutlineStroke(i, j);
        Paint paint1 = getItemOutlinePaint(i, j);
        if (stroke != null && paint1 != null) {
            graphics2d.setStroke(stroke);
            graphics2d.setPaint(paint1);
            graphics2d.draw(double1);
        }
    }
    org.jfree.chart.labels.CategoryItemLabelGenerator categoryitemlabelgenerator = getItemLabelGenerator(i, j);
    if (categoryitemlabelgenerator != null && isItemLabelVisible(i, j))
        drawItemLabel(graphics2d, ganttcategorydataset, i, j, categoryplot, categoryitemlabelgenerator, double1,
                false);
    if (categoryitemrendererstate.getInfo() != null) {
        EntityCollection entitycollection = categoryitemrendererstate.getEntityCollection();
        if (entitycollection != null) {
            String s = null;
            CategoryToolTipGenerator categorytooltipgenerator = getToolTipGenerator(i, j);
            if (categorytooltipgenerator != null)
                s = categorytooltipgenerator.generateToolTip(ganttcategorydataset, i, j);
            String s1 = null;
            if (getItemURLGenerator(i, j) != null)
                s1 = getItemURLGenerator(i, j).generateURL(ganttcategorydataset, i, j);
            CategoryItemEntity categoryitementity = new CategoryItemEntity(double1, s, s1, ganttcategorydataset,
                    ganttcategorydataset.getRowKey(i), ganttcategorydataset.getColumnKey(j));
            entitycollection.add(categoryitementity);
        }
    }
}

From source file:edu.uci.ics.jung.visualization.PluggableRenderer.java

/**
 * Draws the edge <code>e</code>, whose endpoints are at <code>(x1,y1)</code>
 * and <code>(x2,y2)</code>, on the graphics context <code>g</code>.
 * The <code>Shape</code> provided by the <code>EdgeShapeFunction</code> instance
 * is scaled in the x-direction so that its width is equal to the distance between
 * <code>(x1,y1)</code> and <code>(x2,y2)</code>.
 *///from   ww  w. j ava  2 s.  co m
protected void drawSimpleEdge(Graphics2D g, Edge e, int x1, int y1, int x2, int y2) {
    Pair endpoints = e.getEndpoints();
    Vertex v1 = (Vertex) endpoints.getFirst();
    Vertex v2 = (Vertex) endpoints.getSecond();
    boolean isLoop = v1.equals(v2);
    Shape s2 = vertexShapeFunction.getShape(v2);
    Shape edgeShape = edgeShapeFunction.getShape(e);

    boolean edgeHit = true;
    boolean arrowHit = true;
    Rectangle deviceRectangle = null;
    if (screenDevice != null) {
        Dimension d = screenDevice.getSize();
        if (d.width <= 0 || d.height <= 0) {
            d = screenDevice.getPreferredSize();
        }
        deviceRectangle = new Rectangle(0, 0, d.width, d.height);
    }

    AffineTransform xform = AffineTransform.getTranslateInstance(x1, y1);

    if (isLoop) {
        // this is a self-loop. scale it is larger than the vertex
        // it decorates and translate it so that its nadir is
        // at the center of the vertex.
        Rectangle2D s2Bounds = s2.getBounds2D();
        xform.scale(s2Bounds.getWidth(), s2Bounds.getHeight());
        xform.translate(0, -edgeShape.getBounds2D().getWidth() / 2);
    } else {
        // this is a normal edge. Rotate it to the angle between
        // vertex endpoints, then scale it to the distance between
        // the vertices
        float dx = x2 - x1;
        float dy = y2 - y1;
        float thetaRadians = (float) Math.atan2(dy, dx);
        xform.rotate(thetaRadians);
        float dist = (float) Math.sqrt(dx * dx + dy * dy);
        xform.scale(dist, 1.0);
    }

    edgeShape = xform.createTransformedShape(edgeShape);

    edgeHit = viewTransformer.transform(edgeShape).intersects(deviceRectangle);

    if (edgeHit == true) {

        Paint oldPaint = g.getPaint();

        // get Paints for filling and drawing
        // (filling is done first so that drawing and label use same Paint)
        Paint fill_paint = edgePaintFunction.getFillPaint(e);
        if (fill_paint != null) {
            g.setPaint(fill_paint);
            g.fill(edgeShape);
        }
        Paint draw_paint = edgePaintFunction.getDrawPaint(e);
        if (draw_paint != null) {
            g.setPaint(draw_paint);
            g.draw(edgeShape);
        }

        float scalex = (float) g.getTransform().getScaleX();
        float scaley = (float) g.getTransform().getScaleY();
        // see if arrows are too small to bother drawing
        if (scalex < .3 || scaley < .3)
            return;

        if (edgeArrowPredicate.evaluate(e)) {

            Shape destVertexShape = vertexShapeFunction.getShape((Vertex) e.getEndpoints().getSecond());
            AffineTransform xf = AffineTransform.getTranslateInstance(x2, y2);
            destVertexShape = xf.createTransformedShape(destVertexShape);

            arrowHit = viewTransformer.transform(destVertexShape).intersects(deviceRectangle);
            if (arrowHit) {

                AffineTransform at;
                if (edgeShape instanceof GeneralPath)
                    at = getArrowTransform((GeneralPath) edgeShape, destVertexShape);
                else
                    at = getArrowTransform(new GeneralPath(edgeShape), destVertexShape);
                if (at == null)
                    return;
                Shape arrow = edgeArrowFunction.getArrow(e);
                arrow = at.createTransformedShape(arrow);
                // note that arrows implicitly use the edge's draw paint
                g.fill(arrow);
            }
            if (e instanceof UndirectedEdge) {
                Shape vertexShape = vertexShapeFunction.getShape((Vertex) e.getEndpoints().getFirst());
                xf = AffineTransform.getTranslateInstance(x1, y1);
                vertexShape = xf.createTransformedShape(vertexShape);

                arrowHit = viewTransformer.transform(vertexShape).intersects(deviceRectangle);

                if (arrowHit) {
                    AffineTransform at;
                    if (edgeShape instanceof GeneralPath)
                        at = getReverseArrowTransform((GeneralPath) edgeShape, vertexShape, !isLoop);
                    else
                        at = getReverseArrowTransform(new GeneralPath(edgeShape), vertexShape, !isLoop);
                    if (at == null)
                        return;
                    Shape arrow = edgeArrowFunction.getArrow(e);
                    arrow = at.createTransformedShape(arrow);
                    g.fill(arrow);
                }
            }
        }
        // use existing paint for text if no draw paint specified
        if (draw_paint == null)
            g.setPaint(oldPaint);
        String label = edgeStringer.getLabel(e);
        if (label != null) {
            labelEdge(g, e, label, x1, x2, y1, y2);
        }

        // restore old paint
        g.setPaint(oldPaint);
    }
}

From source file:edu.cuny.jfree.chart.renderer.category.IntervalListBarRenderer.java

/**
 * Draws a single interval.//  w  w  w .  j  a  v  a2 s. c  om
 * 
 * @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 drawInterval(final Graphics2D g2, final CategoryItemRendererState state,
        final Rectangle2D dataArea, final CategoryPlot plot, final CategoryAxis domainAxis,
        final ValueAxis rangeAxis, final DefaultIntervalListCategoryDataset dataset, final int row,
        final int column) {

    final int seriesCount = getRowCount();
    final int categoryCount = getColumnCount();

    final PlotOrientation orientation = plot.getOrientation();

    double rectX = 0.0;
    double rectY = 0.0;

    final RectangleEdge domainAxisLocation = plot.getDomainAxisEdge();
    final RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();

    final List list = dataset.getList(row, column);

    if (list == null) {
        return;
    }

    Interval interval = null;
    for (int i = 0; i < list.size(); i++) {

        interval = (Interval) list.get(i);

        if (!interval.isMeaningful()) {
            continue;
        }

        // Y0
        double java2dValue0 = rangeAxis.valueToJava2D(interval.low, dataArea, rangeAxisLocation);

        // Y1
        double java2dValue1 = rangeAxis.valueToJava2D(interval.high, dataArea, rangeAxisLocation);

        if (java2dValue1 < java2dValue0) {
            final double temp = java2dValue1;
            java2dValue1 = java2dValue0;
            java2dValue0 = temp;
        }

        // BAR WIDTH
        double rectWidth = state.getBarWidth();

        // BAR HEIGHT
        double rectHeight = Math.abs(java2dValue1 - java2dValue0);

        if (orientation == PlotOrientation.HORIZONTAL) {
            // BAR Y
            rectY = domainAxis.getCategoryStart(column, getColumnCount(), dataArea, domainAxisLocation);
            if (seriesCount > 1) {
                final double seriesGap = dataArea.getHeight() * getItemMargin()
                        / (categoryCount * (seriesCount - 1));
                rectY = rectY + row * (state.getBarWidth() + seriesGap);
            } else {
                rectY = rectY + row * state.getBarWidth();
            }

            rectX = java2dValue0;

            rectHeight = state.getBarWidth();
            rectWidth = Math.abs(java2dValue1 - java2dValue0);

        } else if (orientation == PlotOrientation.VERTICAL) {
            // BAR X
            rectX = domainAxis.getCategoryStart(column, getColumnCount(), dataArea, domainAxisLocation);

            if (seriesCount > 1) {
                final double seriesGap = dataArea.getWidth() * getItemMargin()
                        / (categoryCount * (seriesCount - 1));
                rectX = rectX + row * (state.getBarWidth() + seriesGap);
            } else {
                rectX = rectX + row * state.getBarWidth();
            }

            rectY = java2dValue0;

        }
        final Rectangle2D bar = new Rectangle2D.Double(rectX, rectY, rectWidth, rectHeight);
        final Paint seriesPaint = getItemPaint(row, column);
        g2.setPaint(seriesPaint);
        g2.fill(bar);

        // draw the outline...
        if (state.getBarWidth() > BarRenderer.BAR_OUTLINE_WIDTH_THRESHOLD) {
            final Stroke stroke = getItemOutlineStroke(row, column);
            final Paint paint = getItemOutlinePaint(row, column);
            if ((stroke != null) && (paint != null)) {
                g2.setStroke(stroke);
                g2.setPaint(paint);
                g2.draw(bar);
            }
        }

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

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

From source file:com.bdaum.zoom.report.internal.jfree.custom.CylinderRenderer.java

/**
 * Draws a cylinder to represent one data item.
 *
 * @param g2  the graphics device.//from www  . ja v  a 2  s .c  o m
 * @param state  the renderer state.
 * @param dataArea  the area for plotting the data.
 * @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) {

    // check the value we are plotting...
    Number dataValue = dataset.getValue(row, column);
    if (dataValue == null) {
        return;
    }

    double value = dataValue.doubleValue();

    Rectangle2D adjusted = new Rectangle2D.Double(dataArea.getX(), dataArea.getY() + getYOffset(),
            dataArea.getWidth() - getXOffset(), dataArea.getHeight() - getYOffset());

    PlotOrientation orientation = plot.getOrientation();

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

    RectangleEdge edge = plot.getRangeAxisEdge();
    float transL0 = (float) rangeAxis.valueToJava2D(barL0L1[0], adjusted, edge);
    float transL1 = (float) rangeAxis.valueToJava2D(barL0L1[1], adjusted, edge);
    float barL0 = Math.min(transL0, transL1);
    float barLength = Math.abs(transL1 - transL0);

    // draw the bar...
    GeneralPath bar = new GeneralPath();
    Shape top = null;
    if (orientation == PlotOrientation.HORIZONTAL) {
        bar.moveTo((float) (barL0 + getXOffset() / 2), (float) barW0);
        bar.lineTo((float) (barL0 + barLength + getXOffset() / 2), (float) barW0);
        Arc2D arc = new Arc2D.Double(barL0 + barLength, barW0, getXOffset(), state.getBarWidth(), 90, 180,
                Arc2D.OPEN);
        bar.append(arc, true);
        bar.lineTo((float) (barL0 + getXOffset() / 2), (float) (barW0 + state.getBarWidth()));
        arc = new Arc2D.Double(barL0, barW0, getXOffset(), state.getBarWidth(), 270, -180, Arc2D.OPEN);
        bar.append(arc, true);
        bar.closePath();
        top = new Ellipse2D.Double(barL0 + barLength, barW0, getXOffset(), state.getBarWidth());

    } else {
        bar.moveTo((float) barW0, (float) (barL0 - getYOffset() / 2));
        bar.lineTo((float) barW0, (float) (barL0 + barLength - getYOffset() / 2));
        Arc2D arc = new Arc2D.Double(barW0, (barL0 + barLength - getYOffset()), state.getBarWidth(),
                getYOffset(), 180, 180, Arc2D.OPEN);
        bar.append(arc, true);
        bar.lineTo((float) (barW0 + state.getBarWidth()), (float) (barL0 - getYOffset() / 2));
        arc = new Arc2D.Double(barW0, (barL0 - getYOffset()), state.getBarWidth(), getYOffset(), 0, -180,
                Arc2D.OPEN);
        bar.append(arc, true);
        bar.closePath();

        top = new Ellipse2D.Double(barW0, barL0 - getYOffset(), state.getBarWidth(), getYOffset());
    }
    Paint itemPaint = getItemPaint(row, column);
    if (getGradientPaintTransformer() != null && itemPaint instanceof GradientPaint) {
        GradientPaint gp = (GradientPaint) itemPaint;
        itemPaint = getGradientPaintTransformer().transform(gp, bar);
    }
    g2.setPaint(itemPaint);
    g2.fill(bar);

    if (itemPaint instanceof GradientPaint) {
        g2.setPaint(((GradientPaint) itemPaint).getColor2());
    } else {
        g2.setPaint(PaintAlpha.darker(itemPaint)); // bd
    }
    if (top != null) {
        g2.fill(top);
    }

    if (isDrawBarOutline() && state.getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) {
        g2.setStroke(getItemOutlineStroke(row, column));
        g2.setPaint(getItemOutlinePaint(row, column));
        g2.draw(bar);
        if (top != null) {
            g2.draw(top);
        }
    }

    CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
    if (generator != null && isItemLabelVisible(row, column)) {
        drawItemLabel(g2, dataset, row, column, plot, generator, bar.getBounds2D(), (value < 0.0));
    }

    // collect entity and tool tip information...
    if (state.getInfo() != null) {
        EntityCollection entities = state.getEntityCollection();
        if (entities != null) {
            String tip = null;
            CategoryToolTipGenerator tipster = getToolTipGenerator(row, column);
            if (tipster != null) {
                tip = tipster.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.getBounds2D(), tip, url, dataset,
                    dataset.getRowKey(row), dataset.getColumnKey(column));
            entities.add(entity);
        }
    }

}