/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2004, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ----------------
* BarRenderer.java
* ----------------
* (C) Copyright 2002-2004, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): Christian W. Zuckschwerdt;
*
* $Id: BarRenderer.java,v 1.1 2004/08/31 14:47:48 mungady Exp $
*
* Changes
* -------
* 14-Mar-2002 : Version 1 (DG);
* 23-May-2002 : Added tooltip generator to renderer (DG);
* 29-May-2002 : Moved tooltip generator to abstract super-class (DG);
* 25-Jun-2002 : Changed constructor to protected and removed redundant code (DG);
* 26-Jun-2002 : Added axis to initialise method, and record upper and lower clip values (DG);
* 24-Sep-2002 : Added getLegendItem(...) method (DG);
* 09-Oct-2002 : Modified constructor to include URL generator (DG);
* 05-Nov-2002 : Base dataset is now TableDataset not CategoryDataset (DG);
* 10-Jan-2003 : Moved get/setItemMargin() method up from subclasses (DG);
* 17-Jan-2003 : Moved plot classes into a separate package (DG);
* 25-Mar-2003 : Implemented Serializable (DG);
* 01-May-2003 : Modified clipping to allow for dual axes and datasets (DG);
* 12-May-2003 : Merged horizontal and vertical bar renderers (DG);
* 12-Jun-2003 : Updates for item labels (DG);
* 30-Jul-2003 : Modified entity constructor (CZ);
* 02-Sep-2003 : Changed initialise method to fix bug 790407 (DG);
* 16-Sep-2003 : Changed ChartRenderingInfo --> PlotRenderingInfo (DG);
* 07-Oct-2003 : Added renderer state (DG);
* 27-Oct-2003 : Merged drawHorizontalItem(...) and drawVerticalItem(...) methods (DG);
* 28-Oct-2003 : Added support for gradient paint on bars (DG);
* 14-Nov-2003 : Added 'maxBarWidth' attribute (DG);
* 10-Feb-2004 : Small changes inside drawItem() method to ease cut-and-paste overriding (DG);
* 19-Mar-2004 : Fixed bug introduced with separation of tool tip and item label generators.
* Fixed equals() method (DG);
* 11-May-2004 : Fix for null pointer exception (bug id 951127) (DG);
*
*/
package org.jfree.chart.renderer.category;
import java.awt.Font;
import java.awt.GradientPaint;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.Shape;
import java.awt.Stroke;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.io.Serializable;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.entity.CategoryItemEntity;
import org.jfree.chart.entity.EntityCollection;
import org.jfree.chart.event.RendererChangeEvent;
import org.jfree.chart.labels.CategoryLabelGenerator;
import org.jfree.chart.labels.CategoryToolTipGenerator;
import org.jfree.chart.labels.ItemLabelAnchor;
import org.jfree.chart.labels.ItemLabelPosition;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.PlotRenderingInfo;
import org.jfree.data.category.CategoryDataset;
import org.jfree.ui.GradientPaintTransformer;
import org.jfree.ui.RectangleEdge;
import org.jfree.ui.RefineryUtilities;
import org.jfree.ui.StandardGradientPaintTransformer;
import org.jfree.util.ObjectUtils;
import org.jfree.util.PublicCloneable;
/**
* A {@link CategoryItemRenderer} that draws individual data items as bars.
*/
public class BarRenderer extends AbstractCategoryItemRenderer
implements Cloneable, PublicCloneable, Serializable {
/** The default item margin percentage. */
public static final double DEFAULT_ITEM_MARGIN = 0.20;
/** Constant that controls the minimum width before a bar has an outline drawn. */
public static final double BAR_OUTLINE_WIDTH_THRESHOLD = 3.0;
/** The margin between items (bars) within a category. */
private double itemMargin;
/** A flag that controls whether or not bar outlines are drawn. */
private boolean drawBarOutline;
/** The maximum bar width as a percentage of the available space. */
private double maxBarWidth;
/** The minimum bar length (in Java2D units). */
private double minimumBarLength;
/** An optional class used to transform gradient paint objects to fit each bar. */
private GradientPaintTransformer gradientPaintTransformer;
/** The fallback position if a positive item label doesn't fit inside the bar. */
private ItemLabelPosition positiveItemLabelPositionFallback;
/** The fallback position if a negative item label doesn't fit inside the bar. */
private ItemLabelPosition negativeItemLabelPositionFallback;
/** The upper clip (axis) value for the axis. */
private double upperClip; // TODO: this needs to move into the renderer state
/** The lower clip (axis) value for the axis. */
private double lowerClip; // TODO: this needs to move into the renderer state
/**
* Creates a new bar renderer with default settings.
*/
public BarRenderer() {
super();
this.itemMargin = DEFAULT_ITEM_MARGIN;
this.drawBarOutline = true;
this.maxBarWidth = 1.0; // 100 percent, so it will not apply unless changed
this.positiveItemLabelPositionFallback = null;
this.negativeItemLabelPositionFallback = null;
this.gradientPaintTransformer = new StandardGradientPaintTransformer();
this.minimumBarLength = 0.0;
}
/**
* Returns the item margin as a percentage of the available space for all bars.
*
* @return The margin percentage (where 0.10 is ten percent).
*/
public double getItemMargin() {
return this.itemMargin;
}
/**
* Sets the item margin and sends a {@link RendererChangeEvent} to all registered listeners.
* The value is expressed as a percentage of the available width for plotting all the bars,
* with the resulting amount to be distributed between all the bars evenly.
*
* @param percent the margin (where 0.10 is ten percent).
*/
public void setItemMargin(double percent) {
this.itemMargin = percent;
notifyListeners(new RendererChangeEvent(this));
}
/**
* Returns a flag that controls whether or not bar outlines are drawn.
*
* @return A boolean.
*/
public boolean isDrawBarOutline() {
return this.drawBarOutline;
}
/**
* Sets the flag that controls whether or not bar outlines are drawn and sends a
* {@link RendererChangeEvent} to all registered listeners.
*
* @param draw the flag.
*/
public void setDrawBarOutline(boolean draw) {
this.drawBarOutline = draw;
notifyListeners(new RendererChangeEvent(this));
}
/**
* Returns the maximum bar width, as a percentage of the available drawing space.
*
* @return The maximum bar width.
*/
public double getMaxBarWidth() {
return this.maxBarWidth;
}
/**
* Sets the maximum bar width, which is specified as a percentage of the available space
* for all bars, and sends a {@link RendererChangeEvent} to all registered listeners.
*
* @param percent the percent (where 0.05 is five percent).
*/
public void setMaxBarWidth(double percent) {
this.maxBarWidth = percent;
notifyListeners(new RendererChangeEvent(this));
}
/**
* Returns the minimum bar length (in Java2D units).
*
* @return The minimum bar length.
*/
public double getMinimumBarLength() {
return this.minimumBarLength;
}
/**
* Sets the minimum bar length and sends a {@link RendererChangeEvent} to all registered
* listeners. The minimum bar length is specified in Java2D units, and can be used to prevent
* bars that represent very small data values from disappearing when drawn on the screen.
*
* @param min the minimum bar length (in Java2D units).
*/
public void setMinimumBarLength(double min) {
this.minimumBarLength = min;
notifyListeners(new RendererChangeEvent(this));
}
/**
* Returns the gradient paint transformer (an object used to transform gradient paint objects
* to fit each bar.
*
* @return A transformer (<code>null</code> possible).
*/
public GradientPaintTransformer getGradientPaintTransformer() {
return this.gradientPaintTransformer;
}
/**
* Sets the gradient paint transformer and sends a {@link RendererChangeEvent} to all registered
* listeners.
*
* @param transformer the transformer (<code>null</code> permitted).
*/
public void setGradientPaintTransformer(GradientPaintTransformer transformer) {
this.gradientPaintTransformer = transformer;
notifyListeners(new RendererChangeEvent(this));
}
/**
* Returns the fallback position for positive item labels that don't fit within a bar.
*
* @return The fallback position (<code>null</code> possible).
*/
public ItemLabelPosition getPositiveItemLabelPositionFallback() {
return this.positiveItemLabelPositionFallback;
}
/**
* Sets the fallback position for positive item labels that don't fit within a bar, and sends
* a {@link RendererChangeEvent} to all registered listeners.
*
* @param position the position (<code>null</code> permitted).
*/
public void setPositiveItemLabelPositionFallback(ItemLabelPosition position) {
this.positiveItemLabelPositionFallback = position;
notifyListeners(new RendererChangeEvent(this));
}
/**
* Returns the fallback position for negative item labels that don't fit within a bar.
*
* @return The fallback position (<code>null</code> possible).
*/
public ItemLabelPosition getNegativeItemLabelPositionFallback() {
return this.negativeItemLabelPositionFallback;
}
/**
* Sets the fallback position for negative item labels that don't fit within a bar, and sends
* a {@link RendererChangeEvent} to all registered listeners.
*
* @param position the position (<code>null</code> permitted).
*/
public void setNegativeItemLabelPositionFallback(ItemLabelPosition position) {
this.negativeItemLabelPositionFallback = position;
notifyListeners(new RendererChangeEvent(this));
}
/**
* Returns the lower clip value. This value is recalculated in the initialise() method.
*
* @return The value.
*
* @TODO: this attribute should be transferred to the renderer state.
*/
public double getLowerClip() {
return this.lowerClip;
}
/**
* Returns the upper clip value. This value is recalculated in the initialise() method.
*
* @return The value.
*
* @TODO: this attribute should be transferred to the renderer state.
*/
public double getUpperClip() {
return this.upperClip;
}
/**
* Initialises the renderer and returns a state object that will be passed to subsequent calls
* to the drawItem method. This method gets called once at the start of the process of
* drawing a chart.
*
* @param g2 the graphics device.
* @param dataArea the area in which the data is to be plotted.
* @param plot the plot.
* @param rendererIndex the renderer index.
* @param info collects chart rendering information for return to caller.
*
* @return The renderer state.
*/
public CategoryItemRendererState initialise(Graphics2D g2,
Rectangle2D dataArea,
CategoryPlot plot,
int rendererIndex,
PlotRenderingInfo info) {
CategoryItemRendererState state = super.initialise(g2, dataArea, plot, rendererIndex, info);
// get the clipping values...
ValueAxis rangeAxis = getRangeAxis(plot, rendererIndex);
this.lowerClip = rangeAxis.getRange().getLowerBound();
this.upperClip = rangeAxis.getRange().getUpperBound();
// calculate the bar width
calculateBarWidth(plot, dataArea, rendererIndex, state);
return state;
}
/**
* Calculates the bar width and stores it in the renderer state.
*
* @param plot the plot.
* @param dataArea the data area.
* @param rendererIndex the renderer index.
* @param state the renderer state.
*/
protected void calculateBarWidth(CategoryPlot plot,
Rectangle2D dataArea,
int rendererIndex,
CategoryItemRendererState state) {
CategoryAxis domainAxis = getDomainAxis(plot, rendererIndex);
CategoryDataset dataset = plot.getDataset(rendererIndex);
if (dataset != null) {
int columns = dataset.getColumnCount();
int rows = dataset.getRowCount();
double space = 0.0;
PlotOrientation orientation = plot.getOrientation();
if (orientation == PlotOrientation.HORIZONTAL) {
space = dataArea.getHeight();
}
else if (orientation == PlotOrientation.VERTICAL) {
space = dataArea.getWidth();
}
double maxWidth = space * getMaxBarWidth();
double categoryMargin = 0.0;
double currentItemMargin = 0.0;
if (columns > 1) {
categoryMargin = domainAxis.getCategoryMargin();
}
if (rows > 1) {
currentItemMargin = getItemMargin();
}
double used = space * (1 - domainAxis.getLowerMargin() - domainAxis.getUpperMargin()
- categoryMargin - currentItemMargin);
if ((rows * columns) > 0) {
state.setBarWidth(Math.min(used / (rows * columns), maxWidth));
}
else {
state.setBarWidth(Math.min(used, maxWidth));
}
}
}
/**
* Calculates the coordinate of the first "side" of a bar. This will be the minimum
* x-coordinate for a vertical bar, and the minimum y-coordinate for a horizontal bar.
*
* @param plot the plot.
* @param orientation the plot orientation.
* @param dataArea the data area.
* @param domainAxis the domain axis.
* @param state the renderer state (has the bar width precalculated).
* @param row the row index.
* @param column the column index.
*
* @return the coordinate.
*/
protected double calculateBarW0(CategoryPlot plot,
PlotOrientation orientation,
Rectangle2D dataArea,
CategoryAxis domainAxis,
CategoryItemRendererState state,
int row,
int column) {
// calculate bar width...
double space = 0.0;
if (orientation == PlotOrientation.HORIZONTAL) {
space = dataArea.getHeight();
}
else {
space = dataArea.getWidth();
}
double barW0 = domainAxis.getCategoryStart(
column, getColumnCount(), dataArea, plot.getDomainAxisEdge()
);
int seriesCount = getRowCount();
int categoryCount = getColumnCount();
if (seriesCount > 1) {
double seriesGap = space * getItemMargin() / (categoryCount * (seriesCount - 1));
double seriesW = calculateSeriesWidth(space, domainAxis, categoryCount, seriesCount);
barW0 = barW0 + row * (seriesW + seriesGap)
+ (seriesW / 2.0) - (state.getBarWidth() / 2.0);
}
else {
barW0 = domainAxis.getCategoryMiddle(
column, getColumnCount(), dataArea, plot.getDomainAxisEdge()
) - state.getBarWidth() / 2.0;
}
return barW0;
}
/**
* Calculates the coordinates for the length of a single bar.
*
* @param value the value represented by the bar.
*
* @return the coordinates for each end of the bar (or <code>null</code> if the bar is not
* visible for the current axis range).
*/
protected double[] calculateBarL0L1(double value) {
double base = 0.0;
double lclip = getLowerClip();
double uclip = getUpperClip();
if (uclip <= 0.0) { // cases 1, 2, 3 and 4
if (value >= uclip) {
return null; // 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 null; // bar is not visible
}
base = lclip;
if (value >= uclip) {
value = uclip;
}
}
return new double[] {base, value};
}
/**
* Draws the bar for a single (series, category) data item.
*
* @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).
*/
public void drawItem(Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
CategoryDataset dataset,
int row,
int column) {
// 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);
double barL0 = Math.min(transL0, transL1);
double barLength = Math.max(Math.abs(transL1 - transL0), getMinimumBarLength());
// draw the bar...
Rectangle2D bar = null;
if (orientation == PlotOrientation.HORIZONTAL) {
bar = new Rectangle2D.Double(barL0, barW0, barLength, state.getBarWidth());
}
else {
bar = new Rectangle2D.Double(barW0, barL0, state.getBarWidth(), barLength);
}
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);
// 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);
}
}
CategoryLabelGenerator generator = getLabelGenerator(row, column);
if (generator != null && isItemLabelVisible(row, column)) {
drawItemLabel(g2, dataset, row, column, plot, generator, bar, (value < 0.0));
}
// collect entity and tool tip information...
if (state.getInfo() != null) {
EntityCollection entities = state.getInfo().getOwner().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, tip, url, dataset, row, dataset.getColumnKey(column), column
);
entities.addEntity(entity);
}
}
}
/**
* Calculates the available space for each series.
*
* @param space the space along the entire axis (in Java2D units).
* @param axis the category axis.
* @param categories the number of categories.
* @param series the number of series.
*
* @return the width of one series.
*/
protected double calculateSeriesWidth(double space, CategoryAxis axis,
int categories, int series) {
double factor = 1.0 - getItemMargin() - axis.getLowerMargin() - axis.getUpperMargin();
if (categories > 1) {
factor = factor - axis.getCategoryMargin();
}
return (space * factor) / (categories * series);
}
/**
* 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.
* @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,
CategoryLabelGenerator 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 = RefineryUtilities.calculateRotatedStringBounds(
label, g2,
(float) anchorPoint.getX(),
(float) anchorPoint.getY(),
position.getTextAnchor(),
position.getRotationAnchor(),
position.getAngle()
);
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) {
RefineryUtilities.drawRotatedString(
label, g2, (float) anchorPoint.getX(), (float) anchorPoint.getY(),
position.getTextAnchor(), position.getRotationAnchor(), position.getAngle()
);
}
}
/**
* Calculates the item label anchor point.
*
* @param anchor the anchor.
* @param bar the bar.
* @param orientation the plot orientation.
*
* @return The anchor point.
*/
private Point2D calculateLabelAnchorPoint(ItemLabelAnchor anchor,
Rectangle2D bar, PlotOrientation orientation) {
Point2D result = null;
double offset = getItemLabelAnchorOffset();
double x0 = bar.getX() - offset;
double x1 = bar.getX();
double x2 = bar.getX() + offset;
double x3 = bar.getCenterX();
double x4 = bar.getMaxX() - offset;
double x5 = bar.getMaxX();
double x6 = bar.getMaxX() + offset;
double y0 = bar.getMaxY() + offset;
double y1 = bar.getMaxY();
double y2 = bar.getMaxY() - offset;
double y3 = bar.getCenterY();
double y4 = bar.getMinY() + offset;
double y5 = bar.getMinY();
double y6 = bar.getMinY() - offset;
if (anchor == ItemLabelAnchor.CENTER) {
result = new Point2D.Double(x3, y3);
}
else if (anchor == ItemLabelAnchor.INSIDE1) {
result = new Point2D.Double(x4, y4);
}
else if (anchor == ItemLabelAnchor.INSIDE2) {
result = new Point2D.Double(x4, y4);
}
else if (anchor == ItemLabelAnchor.INSIDE3) {
result = new Point2D.Double(x4, y3);
}
else if (anchor == ItemLabelAnchor.INSIDE4) {
result = new Point2D.Double(x4, y2);
}
else if (anchor == ItemLabelAnchor.INSIDE5) {
result = new Point2D.Double(x4, y2);
}
else if (anchor == ItemLabelAnchor.INSIDE6) {
result = new Point2D.Double(x3, y2);
}
else if (anchor == ItemLabelAnchor.INSIDE7) {
result = new Point2D.Double(x2, y2);
}
else if (anchor == ItemLabelAnchor.INSIDE8) {
result = new Point2D.Double(x2, y2);
}
else if (anchor == ItemLabelAnchor.INSIDE9) {
result = new Point2D.Double(x2, y3);
}
else if (anchor == ItemLabelAnchor.INSIDE10) {
result = new Point2D.Double(x2, y4);
}
else if (anchor == ItemLabelAnchor.INSIDE11) {
result = new Point2D.Double(x2, y4);
}
else if (anchor == ItemLabelAnchor.INSIDE12) {
result = new Point2D.Double(x3, y4);
}
else if (anchor == ItemLabelAnchor.OUTSIDE1) {
result = new Point2D.Double(x5, y6);
}
else if (anchor == ItemLabelAnchor.OUTSIDE2) {
result = new Point2D.Double(x6, y5);
}
else if (anchor == ItemLabelAnchor.OUTSIDE3) {
result = new Point2D.Double(x6, y3);
}
else if (anchor == ItemLabelAnchor.OUTSIDE4) {
result = new Point2D.Double(x6, y1);
}
else if (anchor == ItemLabelAnchor.OUTSIDE5) {
result = new Point2D.Double(x5, y0);
}
else if (anchor == ItemLabelAnchor.OUTSIDE6) {
result = new Point2D.Double(x3, y0);
}
else if (anchor == ItemLabelAnchor.OUTSIDE7) {
result = new Point2D.Double(x1, y0);
}
else if (anchor == ItemLabelAnchor.OUTSIDE8) {
result = new Point2D.Double(x0, y1);
}
else if (anchor == ItemLabelAnchor.OUTSIDE9) {
result = new Point2D.Double(x0, y3);
}
else if (anchor == ItemLabelAnchor.OUTSIDE10) {
result = new Point2D.Double(x0, y5);
}
else if (anchor == ItemLabelAnchor.OUTSIDE11) {
result = new Point2D.Double(x1, y6);
}
else if (anchor == ItemLabelAnchor.OUTSIDE12) {
result = new Point2D.Double(x3, y6);
}
return result;
}
/**
* Returns <code>true</code> if the specified anchor point is inside a bar.
*
* @param anchor the anchor point.
*
* @return A boolean.
*/
private boolean isInternalAnchor(ItemLabelAnchor anchor) {
return anchor == ItemLabelAnchor.CENTER
|| anchor == ItemLabelAnchor.INSIDE1
|| anchor == ItemLabelAnchor.INSIDE2
|| anchor == ItemLabelAnchor.INSIDE3
|| anchor == ItemLabelAnchor.INSIDE4
|| anchor == ItemLabelAnchor.INSIDE5
|| anchor == ItemLabelAnchor.INSIDE6
|| anchor == ItemLabelAnchor.INSIDE7
|| anchor == ItemLabelAnchor.INSIDE8
|| anchor == ItemLabelAnchor.INSIDE9
|| anchor == ItemLabelAnchor.INSIDE10
|| anchor == ItemLabelAnchor.INSIDE11
|| anchor == ItemLabelAnchor.INSIDE12;
}
/**
* Tests this instance for equality with an arbitrary object.
*
* @param object the object (<code>null</code> permitted).
*
* @return A boolean.
*/
public boolean equals(Object object) {
if (object == null) {
return false;
}
if (object == this) {
return true;
}
if (super.equals(object) && (object instanceof BarRenderer)) {
BarRenderer r = (BarRenderer) object;
boolean b0 = (this.itemMargin == r.itemMargin);
boolean b1 = (this.drawBarOutline == r.drawBarOutline);
boolean b2 = (this.maxBarWidth == r.maxBarWidth);
boolean b3 = (this.minimumBarLength == r.minimumBarLength);
boolean b4 = ObjectUtils.equal(
this.gradientPaintTransformer, r.gradientPaintTransformer
);
boolean b5 = ObjectUtils.equal(
this.positiveItemLabelPositionFallback, r.positiveItemLabelPositionFallback
);
boolean b6 = ObjectUtils.equal(
this.negativeItemLabelPositionFallback, r.negativeItemLabelPositionFallback
);
return b0 && b1 && b2 && b3 && b4 && b5 && b6;
}
return false;
}
}