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

Introduction

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

Prototype

public double getAngle() 

Source Link

Document

Returns the angle of rotation for the label.

Usage

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;/*from w  w w.ja  v a  2s  .co  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: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 w  w. ja va  2 s . c om
            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: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 w  w  .  java  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   www  .j a v a 2  s. c  o 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.BarRenderer.java

/**    
* Draws an item label.  This method is overridden so that the bar can be    
* used to calculate the label anchor point.    
*    //ww w  .  j  ava2s  . c  om
* @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: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   www. j av  a  2s  .c o  m*/
 * @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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