Example usage for org.jfree.chart.labels ItemLabelPosition getItemLabelAnchor

Introduction

In this page you can find the example usage for org.jfree.chart.labels ItemLabelPosition getItemLabelAnchor.

Prototype

public ItemLabelAnchor getItemLabelAnchor() 

Source Link

Document

Returns the item label anchor.

Usage

From source file:net.sf.mzmine.modules.visualization.scatterplot.scatterplotchart.ScatterPlotRenderer.java

/**
 * Draws an item label./*from   w  w  w  .  j a  v a2  s .c o  m*/
 * 
 * @param g2
 *            the graphics device.
 * @param orientation
 *            the orientation.
 * @param dataset
 *            the dataset.
 * @param series
 *            the series index (zero-based).
 * @param item
 *            the item index (zero-based).
 * @param x
 *            the x coordinate (in Java2D space).
 * @param y
 *            the y coordinate (in Java2D space).
 * @param negative
 *            indicates a negative value (which affects the item label
 *            position).
 */
protected void drawItemLabel(Graphics2D g2, PlotOrientation orientation, XYDataset dataset, int series,
        int item, double x, double y, boolean negative) {

    XYItemLabelGenerator generator = getItemLabelGenerator(series, item);
    Font labelFont = getItemLabelFont(series, item);
    g2.setFont(labelFont);
    String label = generator.generateLabel(dataset, series, item);

    if ((label == null) || (label.length() == 0))
        return;

    // get the label position..
    ItemLabelPosition position = null;
    if (!negative) {
        position = getPositiveItemLabelPosition(series, item);
    } else {
        position = getNegativeItemLabelPosition(series, item);
    }

    // work out the label anchor point...
    Point2D anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), x, y, orientation);

    FontMetrics metrics = g2.getFontMetrics(labelFont);
    int width = SwingUtilities.computeStringWidth(metrics, label) + 2;
    int height = metrics.getHeight();

    int X = (int) (anchorPoint.getX() - (width / 2));
    int Y = (int) (anchorPoint.getY() - (height));

    g2.setPaint(searchColor);
    g2.fillRect(X, Y, width, height);

    super.drawItemLabel(g2, orientation, dataset, series, item, x, y, negative);

}

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From source file:net.sf.mzmine.modules.visualization.metamsecorrelate.visual.pseudospectra.PseudoSpectraRenderer.java

@Override
protected void drawItemLabel(Graphics2D g2, XYDataset dataset, int series, int item, XYPlot plot,
        XYItemLabelGenerator generator, Rectangle2D bar, boolean negative) {
    //super.drawItemLabel(g2, dataset, series, item, plot, generator, bar, negative);  

    if (generator != null) {
        String label = generator.generateLabel(dataset, series, item);

        if (label != null) {
            Font labelFont = getItemLabelFont(series, item);
            Paint paint = getItemLabelPaint(series, item);
            g2.setFont(labelFont);//from  w ww.  j  av a2 s. co  m
            g2.setPaint(paint);

            // get the label position..
            ItemLabelPosition position;
            if (!negative) {
                position = getPositiveItemLabelPosition(series, item);
            } else {
                position = getNegativeItemLabelPosition(series, item);
            }

            // work out the label anchor point...
            Point2D anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), bar,
                    plot.getOrientation());

            // split by \n
            String symbol = "\n";
            String[] splitted = label.split(symbol);

            if (splitted.length > 1) {
                FontRenderContext frc = g2.getFontRenderContext();
                GlyphVector gv = g2.getFont().createGlyphVector(frc, "Fg,");
                int height = 4 + (int) gv.getPixelBounds(null, 0, 0).getHeight();
                // draw more than one row
                for (int i = 0; i < splitted.length; i++) {
                    int offset = -height * (splitted.length - i - 1);
                    TextUtilities.drawRotatedString(splitted[i], g2, (float) anchorPoint.getX(),
                            (float) anchorPoint.getY() + offset, position.getTextAnchor(), position.getAngle(),
                            position.getRotationAnchor());
                }
            } else {
                // one row 
                TextUtilities.drawRotatedString(label, g2, (float) anchorPoint.getX(),
                        (float) anchorPoint.getY(), position.getTextAnchor(), position.getAngle(),
                        position.getRotationAnchor());
            }
        }
    }

}

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From source file:com.newatlanta.bluedragon.CustomClusteredXYBarRenderer.java

private void drawItemLabel(Graphics2D g2, PlotOrientation orientation, XYDataset dataset, int series, int item,
        Rectangle2D bar, boolean negative) {

    XYItemLabelGenerator generator = getItemLabelGenerator(series, item);
    if (generator == null)
        return;/*w w  w  .  j a  va  2s .  c  o  m*/

    String label = generator.generateLabel(dataset, series, item);
    if (label == null) {
        return; // nothing to do
    }

    Font labelFont = getItemLabelFont(series, item);
    g2.setFont(labelFont);
    Paint paint = getItemLabelPaint(series, item);
    g2.setPaint(paint);

    // find out where to place the label...
    ItemLabelPosition position = null;
    if (!negative) {
        position = getPositiveItemLabelPosition(series, item);
    } else {
        position = getNegativeItemLabelPosition(series, item);
    }

    // work out the label anchor point...
    Point2D anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), bar, orientation);

    TextUtilities.drawRotatedString(label, g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(),
            position.getTextAnchor(), position.getAngle(), position.getRotationAnchor());
}

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

/**
 * Draws an item label.  This method is provided as an alternative to
 * {@link #drawItemLabel(Graphics2D, PlotOrientation, XYDataset, int, int, 
 * double, double, boolean)} so that the bar can be used to calculate the 
 * label anchor point. /*from  w  ww. j  a v a  2s  .  co  m*/
 * 
 * @param g2  the graphics device.
 * @param dataset  the dataset.
 * @param series  the series index.
 * @param item  the item index.
 * @param plot  the plot.
 * @param generator  the label generator (<code>null</code> permitted, in 
 *         which case the method does nothing, just returns).
 * @param bar  the bar.
 * @param negative  a flag indicating a negative value.
 */
protected void drawItemLabel(Graphics2D g2, XYDataset dataset, int series, int item, XYPlot plot,
        XYItemLabelGenerator generator, Rectangle2D bar, boolean negative) {

    if (generator == null) {
        return; // nothing to do
    }
    String label = generator.generateLabel(dataset, series, item);
    if (label == null) {
        return; // nothing to do   
    }

    Font labelFont = getItemLabelFont(series, item);
    g2.setFont(labelFont);
    Paint paint = getItemLabelPaint(series, item);
    g2.setPaint(paint);

    // find out where to place the label...
    ItemLabelPosition position = null;
    if (!negative) {
        position = getPositiveItemLabelPosition(series, item);
    } else {
        position = getNegativeItemLabelPosition(series, item);
    }

    // work out the label anchor point...
    Point2D anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), bar, plot.getOrientation());

    if (isInternalAnchor(position.getItemLabelAnchor())) {
        Shape bounds = TextUtilities.calculateRotatedStringBounds(label, g2, (float) anchorPoint.getX(),
                (float) anchorPoint.getY(), position.getTextAnchor(), position.getAngle(),
                position.getRotationAnchor());

        if (bounds != null) {
            if (!bar.contains(bounds.getBounds2D())) {
                if (!negative) {
                    position = getPositiveItemLabelPositionFallback();
                } else {
                    position = getNegativeItemLabelPositionFallback();
                }
                if (position != null) {
                    anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), bar,
                            plot.getOrientation());
                }
            }
        }

    }

    if (position != null) {
        TextUtilities.drawRotatedString(label, g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(),
                position.getTextAnchor(), position.getAngle(), position.getRotationAnchor());
    }
}

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

/**    
* Draws an item label.  This method is provided as an alternative to    
* {@link #drawItemLabel(Graphics2D, PlotOrientation, XYDataset, int, int,     
* double, double, boolean)} so that the bar can be used to calculate the     
* label anchor point.     /*from ww  w  . j a v a 2  s .  c  om*/
*     
* @param g2  the graphics device.    
* @param dataset  the dataset.    
* @param series  the series index.    
* @param item  the item index.    
* @param plot  the plot.    
* @param generator  the label generator (<code>null</code> permitted, in     
*         which case the method does nothing, just returns).    
* @param bar  the bar.    
* @param negative  a flag indicating a negative value.    
*/
protected void drawItemLabel(Graphics2D g2, XYDataset dataset, int series, int item, XYPlot plot,
        XYItemLabelGenerator generator, Rectangle2D bar, boolean negative) {

    if (generator == null) {
        return; // nothing to do    
    }
    String label = generator.generateLabel(dataset, series, item);
    if (label == null) {
        return; // nothing to do       
    }

    Font labelFont = getItemLabelFont(series, item);
    g2.setFont(labelFont);
    Paint paint = getItemLabelPaint(series, item);
    g2.setPaint(paint);

    // find out where to place the label...    
    ItemLabelPosition position = null;
    if (!negative) {
        position = getPositiveItemLabelPosition(series, item);
    } else {
        position = getNegativeItemLabelPosition(series, item);
    }

    // work out the label anchor point...    
    Point2D anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), bar, plot.getOrientation());

    if (isInternalAnchor(position.getItemLabelAnchor())) {
        Shape bounds = TextUtilities.calculateRotatedStringBounds(label, g2, (float) anchorPoint.getX(),
                (float) anchorPoint.getY(), position.getTextAnchor(), position.getAngle(),
                position.getRotationAnchor());

        if (bounds != null) {
            if (!bar.contains(bounds.getBounds2D())) {
                if (!negative) {
                    position = getPositiveItemLabelPositionFallback();
                } else {
                    position = getNegativeItemLabelPositionFallback();
                }
                if (position != null) {
                    anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), bar,
                            plot.getOrientation());
                }
            }
        }

    }

    if (position != null) {
        TextUtilities.drawRotatedString(label, g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(),
                position.getTextAnchor(), position.getAngle(), position.getRotationAnchor());
    }
}

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

/**    
* Draws an item label.  This method is overridden so that the bar can be    
* used to calculate the label anchor point.    
*    //from  w  w w.  jav a  2s.co  m
* @param g2  the graphics device.    
* @param data  the dataset.    
* @param row  the row.    
* @param column  the column.    
* @param plot  the plot.    
* @param generator  the label generator.    
* @param bar  the bar.    
* @param negative  a flag indicating a negative value.    
*/
protected void drawItemLabel(Graphics2D g2, CategoryDataset data, int row, int column, CategoryPlot plot,
        CategoryItemLabelGenerator generator, Rectangle2D bar, boolean negative) {

    String label = generator.generateLabel(data, row, column);
    if (label == null) {
        return; // nothing to do    
    }

    Font labelFont = getItemLabelFont(row, column);
    g2.setFont(labelFont);
    Paint paint = getItemLabelPaint(row, column);
    g2.setPaint(paint);

    // find out where to place the label...    
    ItemLabelPosition position = null;
    if (!negative) {
        position = getPositiveItemLabelPosition(row, column);
    } else {
        position = getNegativeItemLabelPosition(row, column);
    }

    // work out the label anchor point...    
    Point2D anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), bar, plot.getOrientation());

    if (isInternalAnchor(position.getItemLabelAnchor())) {
        Shape bounds = TextUtilities.calculateRotatedStringBounds(label, g2, (float) anchorPoint.getX(),
                (float) anchorPoint.getY(), position.getTextAnchor(), position.getAngle(),
                position.getRotationAnchor());

        if (bounds != null) {
            if (!bar.contains(bounds.getBounds2D())) {
                if (!negative) {
                    position = getPositiveItemLabelPositionFallback();
                } else {
                    position = getNegativeItemLabelPositionFallback();
                }
                if (position != null) {
                    anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), bar,
                            plot.getOrientation());
                }
            }
        }

    }

    if (position != null) {
        TextUtilities.drawRotatedString(label, g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(),
                position.getTextAnchor(), position.getAngle(), position.getRotationAnchor());
    }
}

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From source file:org.pentaho.plugin.jfreereport.reportcharts.CategoricalChartExpression.java

protected void configureChart(final JFreeChart chart) {
    super.configureChart(chart);

    final CategoryPlot cpl = chart.getCategoryPlot();
    final CategoryItemRenderer renderer = cpl.getRenderer();
    if (StringUtils.isEmpty(getTooltipFormula()) == false) {
        renderer.setBaseToolTipGenerator(
                new FormulaCategoryTooltipGenerator(getRuntime(), getTooltipFormula()));
    }//from   w ww  . j ava2 s.co  m
    if (StringUtils.isEmpty(getUrlFormula()) == false) {
        renderer.setBaseItemURLGenerator(new FormulaCategoryURLGenerator(getRuntime(), getUrlFormula()));
    }
    if (this.categoricalLabelFormat != null) {
        final StandardCategoryItemLabelGenerator scilg;
        if (categoricalLabelDecimalFormat != null) {
            final DecimalFormat numFormat = new DecimalFormat(categoricalLabelDecimalFormat,
                    new DecimalFormatSymbols(getRuntime().getResourceBundleFactory().getLocale()));
            numFormat.setRoundingMode(RoundingMode.HALF_UP);
            scilg = new StandardCategoryItemLabelGenerator(categoricalLabelFormat, numFormat);
        } else if (categoricalLabelDateFormat != null) {
            scilg = new StandardCategoryItemLabelGenerator(categoricalLabelFormat, new SimpleDateFormat(
                    categoricalLabelDateFormat, getRuntime().getResourceBundleFactory().getLocale()));
        } else {
            final DecimalFormat formatter = new DecimalFormat();
            formatter.setDecimalFormatSymbols(
                    new DecimalFormatSymbols(getRuntime().getResourceBundleFactory().getLocale()));
            scilg = new StandardCategoryItemLabelGenerator(categoricalLabelFormat, formatter);
        }
        renderer.setBaseItemLabelGenerator(scilg);
    }
    renderer.setBaseItemLabelsVisible(Boolean.TRUE.equals(getItemsLabelVisible()));
    if (getItemLabelFont() != null) {
        renderer.setBaseItemLabelFont(getItemLabelFont());
    }

    if (categoricalItemLabelRotation != null) {
        final ItemLabelPosition orgPosItemLabelPos = renderer.getBasePositiveItemLabelPosition();
        if (orgPosItemLabelPos == null) {
            final ItemLabelPosition pos2 = new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12,
                    TextAnchor.BOTTOM_CENTER, TextAnchor.CENTER, categoricalItemLabelRotation.doubleValue());
            renderer.setBasePositiveItemLabelPosition(pos2);
        } else {
            final ItemLabelPosition pos2 = new ItemLabelPosition(orgPosItemLabelPos.getItemLabelAnchor(),
                    orgPosItemLabelPos.getTextAnchor(), orgPosItemLabelPos.getRotationAnchor(),
                    categoricalItemLabelRotation.doubleValue());
            renderer.setBasePositiveItemLabelPosition(pos2);
        }

        final ItemLabelPosition orgNegItemLabelPos = renderer.getBaseNegativeItemLabelPosition();
        if (orgNegItemLabelPos == null) {
            final ItemLabelPosition pos2 = new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12,
                    TextAnchor.BOTTOM_CENTER, TextAnchor.CENTER, categoricalItemLabelRotation.doubleValue());
            renderer.setBaseNegativeItemLabelPosition(pos2);
        } else {
            final ItemLabelPosition neg2 = new ItemLabelPosition(orgNegItemLabelPos.getItemLabelAnchor(),
                    orgNegItemLabelPos.getTextAnchor(), orgNegItemLabelPos.getRotationAnchor(),
                    categoricalItemLabelRotation.doubleValue());
            renderer.setBaseNegativeItemLabelPosition(neg2);
        }
    }

    final Font labelFont = Font.decode(getLabelFont());

    final CategoryAxis categoryAxis = cpl.getDomainAxis();
    categoryAxis.setLabelFont(labelFont);
    categoryAxis.setTickLabelFont(labelFont);
    if (getCategoryTitleFont() != null) {
        categoryAxis.setLabelFont(getCategoryTitleFont());
    }
    if (getCategoryTickFont() != null) {
        categoryAxis.setTickLabelFont(getCategoryTickFont());
    }

    if (maxCategoryLabelWidthRatio != null) {
        categoryAxis.setMaximumCategoryLabelWidthRatio(maxCategoryLabelWidthRatio.floatValue());
    }
    cpl.setDomainGridlinesVisible(showGridlines);
    if (labelRotation != null) {
        double angle = labelRotation.doubleValue();
        CategoryLabelPosition top = createUpRotationCategoryLabelPosition(PlaneDirection.TOP, angle);
        CategoryLabelPosition bottom = createUpRotationCategoryLabelPosition(PlaneDirection.BOTTOM, angle);
        CategoryLabelPosition left = createUpRotationCategoryLabelPosition(PlaneDirection.LEFT, angle);
        CategoryLabelPosition right = createUpRotationCategoryLabelPosition(PlaneDirection.RIGHT, angle);
        CategoryLabelPositions rotationLabelPositions = new CategoryLabelPositions(top, bottom, left, right);
        categoryAxis.setCategoryLabelPositions(rotationLabelPositions);
    }

    final String[] colors = getSeriesColor();
    for (int i = 0; i < colors.length; i++) {
        renderer.setSeriesPaint(i, parseColorFromString(colors[i]));
    }

    if (lowerMargin != null) {
        categoryAxis.setLowerMargin(lowerMargin.doubleValue());
    }
    if (upperMargin != null) {
        categoryAxis.setUpperMargin(upperMargin.doubleValue());
    }
    if (categoryMargin != null) {
        categoryAxis.setCategoryMargin(categoryMargin.doubleValue());
    }

    configureRangeAxis(cpl, labelFont);
}

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From source file:KIDLYRenderer.java

/**
 * Draws an item label.  This method is overridden so that the bar can be
 * used to calculate the label anchor point.
 *
 * @param g2  the graphics device./*from   w w w . j  a  v  a2s .com*/
 * @param data  the dataset.
 * @param row  the row.
 * @param column  the column.
 * @param plot  the plot.
 * @param generator  the label generator.
 * @param bar  the bar.
 * @param negative  a flag indicating a negative value.
 */
protected void drawItemLabel(Graphics2D g2, CategoryDataset data, int row, int column, CategoryPlot plot,
        CategoryItemLabelGenerator generator, Rectangle2D bar, boolean negative) {

    String label = generator.generateLabel(data, row, column);
    if (label == null) {
        return; // nothing to do
    }

    Font labelFont = getItemLabelFont(row, column);
    g2.setFont(labelFont);
    Paint paint = getItemLabelPaint(row, column);
    g2.setPaint(paint);

    // find out where to place the label...
    ItemLabelPosition position = null;
    if (!negative) {
        position = getPositiveItemLabelPosition(row, column);
    } else {
        position = getNegativeItemLabelPosition(row, column);
    }

    // work out the label anchor point...
    Point2D anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), bar, plot.getOrientation());

    if (isInternalAnchor(position.getItemLabelAnchor())) {
        Shape bounds = TextUtilities.calculateRotatedStringBounds(label, g2, (float) anchorPoint.getX(),
                (float) anchorPoint.getY(), position.getTextAnchor(), position.getAngle(),
                position.getRotationAnchor());

        if (bounds != null) {
            if (!bar.contains(bounds.getBounds2D())) {
                if (!negative) {
                    position = getPositiveItemLabelPositionFallback();
                } else {
                    position = getNegativeItemLabelPositionFallback();
                }
                if (position != null) {
                    anchorPoint = calculateLabelAnchorPoint(position.getItemLabelAnchor(), bar,
                            plot.getOrientation());
                }
            }
        }

    }

    if (position != null) {
        TextUtilities.drawRotatedString(label, g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(),
                position.getTextAnchor(), position.getAngle(), position.getRotationAnchor());
    }
}

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