/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2011, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* -------------------------
* StackedBarRenderer3D.java
* -------------------------
* (C) Copyright 2000-2009, by Serge V. Grachov and Contributors.
*
* Original Author: Serge V. Grachov;
* Contributor(s): David Gilbert (for Object Refinery Limited);
* Richard Atkinson;
* Christian W. Zuckschwerdt;
* Max Herfort (patch 1459313);
*
* Changes
* -------
* 31-Oct-2001 : Version 1, contributed by Serge V. Grachov (DG);
* 15-Nov-2001 : Modified to allow for null data values (DG);
* 13-Dec-2001 : Added tooltips (DG);
* 15-Feb-2002 : Added isStacked() method (DG);
* 24-May-2002 : Incorporated tooltips into chart entities (DG);
* 19-Jun-2002 : Added check for null info in drawCategoryItem method (DG);
* 25-Jun-2002 : Removed redundant imports (DG);
* 26-Jun-2002 : Small change to entity (DG);
* 05-Aug-2002 : Small modification to drawCategoryItem method to support URLs
* for HTML image maps (RA);
* 26-Sep-2002 : Fixed errors reported by Checkstyle (DG);
* 24-Oct-2002 : Amendments for changes in CategoryDataset interface and
* CategoryToolTipGenerator interface (DG);
* 05-Nov-2002 : Replaced references to CategoryDataset with TableDataset (DG);
* 26-Nov-2002 : Replaced isStacked() method with getRangeType() method (DG);
* 17-Jan-2003 : Moved plot classes to a separate package (DG);
* 25-Mar-2003 : Implemented Serializable (DG);
* 01-May-2003 : Added default constructor (bug 726235) and fixed bug
* 726260) (DG);
* 13-May-2003 : Renamed StackedVerticalBarRenderer3D
* --> StackedBarRenderer3D (DG);
* 30-Jul-2003 : Modified entity constructor (CZ);
* 07-Oct-2003 : Added renderer state (DG);
* 21-Nov-2003 : Added a new constructor (DG);
* 27-Nov-2003 : Modified code to respect maxBarWidth setting (DG);
* 11-Aug-2004 : Fixed bug where isDrawBarOutline() was ignored (DG);
* 05-Nov-2004 : Modified drawItem() signature (DG);
* 07-Jan-2005 : Renamed getRangeExtent() --> findRangeBounds (DG);
* 18-Mar-2005 : Override for getPassCount() method (DG);
* 20-Apr-2005 : Renamed CategoryLabelGenerator
* --> CategoryItemLabelGenerator (DG);
* 09-Jun-2005 : Use addItemEntity() method from superclass (DG);
* 22-Sep-2005 : Renamed getMaxBarWidth() --> getMaximumBarWidth() (DG);
* ------------- JFREECHART 1.0.x ---------------------------------------------
* 31-Mar-2006 : Added renderAsPercentages option - see patch 1459313 submitted
* by Max Herfort (DG);
* 16-Jan-2007 : Replaced rendering code to draw whole stack at once (DG);
* 18-Jan-2007 : Fixed bug handling null values in createStackedValueList()
* method (DG);
* 18-Jan-2007 : Updated block drawing code to take account of inverted axes,
* see bug report 1599652 (DG);
* 08-May-2007 : Fixed bugs 1713401 (drawBarOutlines flag) and 1713474
* (shading) (DG);
* 15-Aug-2008 : Fixed bug 2031407 - no negative zero for stack encoding (DG);
* 03-Feb-2009 : Fixed regression in findRangeBounds() method for null
* dataset (DG);
* 04-Feb-2009 : Handle seriesVisible flag (DG);
* 07-Jul-2009 : Added flag for handling zero values (DG);
*
*/
package org.jfree.chart.renderer.category;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.Shape;
import java.awt.geom.GeneralPath;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import org.jfree.chart.HashUtilities;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.entity.EntityCollection;
import org.jfree.chart.event.RendererChangeEvent;
import org.jfree.chart.labels.CategoryItemLabelGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.DataUtilities;
import org.jfree.data.Range;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.general.DatasetUtilities;
import org.jfree.util.BooleanUtilities;
import org.jfree.util.PublicCloneable;
/**
* Renders stacked bars with 3D-effect, for use with the {@link CategoryPlot}
* class. The example shown here is generated by the
* <code>StackedBarChart3DDemo1.java</code> program included in the
* JFreeChart Demo Collection:
* <br><br>
* <img src="../../../../../images/StackedBarRenderer3DSample.png"
* alt="StackedBarRenderer3DSample.png" />
*/
public class StackedBarRenderer3D extends BarRenderer3D
implements Cloneable, PublicCloneable, Serializable {
/** For serialization. */
private static final long serialVersionUID = -5832945916493247123L;
/** A flag that controls whether the bars display values or percentages. */
private boolean renderAsPercentages;
/**
* A flag that controls whether or not zero values are drawn by the
* renderer.
*
* @since 1.0.14
*/
private boolean ignoreZeroValues;
/**
* Creates a new renderer with no tool tip generator and no URL generator.
* <P>
* The defaults (no tool tip or URL generators) have been chosen to
* minimise the processing required to generate a default chart. If you
* require tool tips or URLs, then you can easily add the required
* generators.
*/
public StackedBarRenderer3D() {
this(false);
}
/**
* Constructs a new renderer with the specified '3D effect'.
*
* @param xOffset the x-offset for the 3D effect.
* @param yOffset the y-offset for the 3D effect.
*/
public StackedBarRenderer3D(double xOffset, double yOffset) {
super(xOffset, yOffset);
}
/**
* Creates a new renderer.
*
* @param renderAsPercentages a flag that controls whether the data values
* are rendered as percentages.
*
* @since 1.0.2
*/
public StackedBarRenderer3D(boolean renderAsPercentages) {
super();
this.renderAsPercentages = renderAsPercentages;
}
/**
* Constructs a new renderer with the specified '3D effect'.
*
* @param xOffset the x-offset for the 3D effect.
* @param yOffset the y-offset for the 3D effect.
* @param renderAsPercentages a flag that controls whether the data values
* are rendered as percentages.
*
* @since 1.0.2
*/
public StackedBarRenderer3D(double xOffset, double yOffset,
boolean renderAsPercentages) {
super(xOffset, yOffset);
this.renderAsPercentages = renderAsPercentages;
}
/**
* Returns <code>true</code> if the renderer displays each item value as
* a percentage (so that the stacked bars add to 100%), and
* <code>false</code> otherwise.
*
* @return A boolean.
*
* @since 1.0.2
*/
public boolean getRenderAsPercentages() {
return this.renderAsPercentages;
}
/**
* Sets the flag that controls whether the renderer displays each item
* value as a percentage (so that the stacked bars add to 100%), and sends
* a {@link RendererChangeEvent} to all registered listeners.
*
* @param asPercentages the flag.
*
* @since 1.0.2
*/
public void setRenderAsPercentages(boolean asPercentages) {
this.renderAsPercentages = asPercentages;
fireChangeEvent();
}
/**
* Returns the flag that controls whether or not zero values are drawn
* by the renderer.
*
* @return A boolean.
*
* @since 1.0.14
*/
public boolean getIgnoreZeroValues() {
return this.ignoreZeroValues;
}
/**
* Sets a flag that controls whether or not zero values are drawn by the
* renderer, and sends a {@link RendererChangeEvent} to all registered
* listeners.
*
* @param ignore the new flag value.
*
* @since 1.0.14
*/
public void setIgnoreZeroValues(boolean ignore) {
this.ignoreZeroValues = ignore;
notifyListeners(new RendererChangeEvent(this));
}
/**
* Returns the range of values the renderer requires to display all the
* items from the specified dataset.
*
* @param dataset the dataset (<code>null</code> not permitted).
*
* @return The range (or <code>null</code> if the dataset is empty).
*/
public Range findRangeBounds(CategoryDataset dataset) {
if (dataset == null) {
return null;
}
if (this.renderAsPercentages) {
return new Range(0.0, 1.0);
}
else {
return DatasetUtilities.findStackedRangeBounds(dataset);
}
}
/**
* 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) {
// calculate the bar width
CategoryAxis domainAxis = getDomainAxis(plot, rendererIndex);
CategoryDataset data = plot.getDataset(rendererIndex);
if (data != null) {
PlotOrientation orientation = plot.getOrientation();
double space = 0.0;
if (orientation == PlotOrientation.HORIZONTAL) {
space = dataArea.getHeight();
}
else if (orientation == PlotOrientation.VERTICAL) {
space = dataArea.getWidth();
}
double maxWidth = space * getMaximumBarWidth();
int columns = data.getColumnCount();
double categoryMargin = 0.0;
if (columns > 1) {
categoryMargin = domainAxis.getCategoryMargin();
}
double used = space * (1 - domainAxis.getLowerMargin()
- domainAxis.getUpperMargin()
- categoryMargin);
if (columns > 0) {
state.setBarWidth(Math.min(used / columns, maxWidth));
}
else {
state.setBarWidth(Math.min(used, maxWidth));
}
}
}
/**
* Returns a list containing the stacked values for the specified series
* in the given dataset, plus the supplied base value.
*
* @param dataset the dataset (<code>null</code> not permitted).
* @param category the category key (<code>null</code> not permitted).
* @param base the base value.
* @param asPercentages a flag that controls whether the values in the
* list are converted to percentages of the total.
*
* @return The value list.
*
* @since 1.0.4
*
* @deprecated As of 1.0.13, use {@link #createStackedValueList(
* CategoryDataset, Comparable, int[], double, boolean)}.
*/
protected List createStackedValueList(CategoryDataset dataset,
Comparable category, double base, boolean asPercentages) {
int[] rows = new int[dataset.getRowCount()];
for (int i = 0; i < rows.length; i++) {
rows[i] = i;
}
return createStackedValueList(dataset, category, rows, base,
asPercentages);
}
/**
* Returns a list containing the stacked values for the specified series
* in the given dataset, plus the supplied base value.
*
* @param dataset the dataset (<code>null</code> not permitted).
* @param category the category key (<code>null</code> not permitted).
* @param includedRows the included rows.
* @param base the base value.
* @param asPercentages a flag that controls whether the values in the
* list are converted to percentages of the total.
*
* @return The value list.
*
* @since 1.0.13
*/
protected List createStackedValueList(CategoryDataset dataset,
Comparable category, int[] includedRows, double base,
boolean asPercentages) {
List result = new ArrayList();
double posBase = base;
double negBase = base;
double total = 0.0;
if (asPercentages) {
total = DataUtilities.calculateColumnTotal(dataset,
dataset.getColumnIndex(category), includedRows);
}
int baseIndex = -1;
int rowCount = includedRows.length;
for (int i = 0; i < rowCount; i++) {
int r = includedRows[i];
Number n = dataset.getValue(dataset.getRowKey(r), category);
if (n == null) {
continue;
}
double v = n.doubleValue();
if (asPercentages) {
v = v / total;
}
if ((v > 0.0) || (!this.ignoreZeroValues && v >= 0.0)) {
if (baseIndex < 0) {
result.add(new Object[] {null, new Double(base)});
baseIndex = 0;
}
posBase = posBase + v;
result.add(new Object[] {new Integer(r), new Double(posBase)});
}
else if (v < 0.0) {
if (baseIndex < 0) {
result.add(new Object[] {null, new Double(base)});
baseIndex = 0;
}
negBase = negBase + v; // '+' because v is negative
result.add(0, new Object[] {new Integer(-r - 1),
new Double(negBase)});
baseIndex++;
}
}
return result;
}
/**
* Draws the visual representation of one data item from the chart (in
* fact, this method does nothing until it reaches the last item for each
* category, at which point it draws all the items for that category).
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the plot area.
* @param plot the plot.
* @param domainAxis the domain (category) axis.
* @param rangeAxis the range (value) axis.
* @param dataset the data.
* @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) {
// wait till we are at the last item for the row then draw the
// whole stack at once
if (row < dataset.getRowCount() - 1) {
return;
}
Comparable category = dataset.getColumnKey(column);
List values = createStackedValueList(dataset,
dataset.getColumnKey(column), state.getVisibleSeriesArray(),
getBase(), this.renderAsPercentages);
Rectangle2D adjusted = new Rectangle2D.Double(dataArea.getX(),
dataArea.getY() + getYOffset(),
dataArea.getWidth() - getXOffset(),
dataArea.getHeight() - getYOffset());
PlotOrientation orientation = plot.getOrientation();
// handle rendering separately for the two plot orientations...
if (orientation == PlotOrientation.HORIZONTAL) {
drawStackHorizontal(values, category, g2, state, adjusted, plot,
domainAxis, rangeAxis, dataset);
}
else {
drawStackVertical(values, category, g2, state, adjusted, plot,
domainAxis, rangeAxis, dataset);
}
}
/**
* Draws a stack of bars for one category, with a horizontal orientation.
*
* @param values the value list.
* @param category the category.
* @param g2 the graphics device.
* @param state the state.
* @param dataArea the data area (adjusted for the 3D effect).
* @param plot the plot.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the dataset.
*
* @since 1.0.4
*/
protected void drawStackHorizontal(List values, Comparable category,
Graphics2D g2, CategoryItemRendererState state,
Rectangle2D dataArea, CategoryPlot plot,
CategoryAxis domainAxis, ValueAxis rangeAxis,
CategoryDataset dataset) {
int column = dataset.getColumnIndex(category);
double barX0 = domainAxis.getCategoryMiddle(column,
dataset.getColumnCount(), dataArea, plot.getDomainAxisEdge())
- state.getBarWidth() / 2.0;
double barW = state.getBarWidth();
// a list to store the series index and bar region, so we can draw
// all the labels at the end...
List itemLabelList = new ArrayList();
// draw the blocks
boolean inverted = rangeAxis.isInverted();
int blockCount = values.size() - 1;
for (int k = 0; k < blockCount; k++) {
int index = (inverted ? blockCount - k - 1 : k);
Object[] prev = (Object[]) values.get(index);
Object[] curr = (Object[]) values.get(index + 1);
int series = 0;
if (curr[0] == null) {
series = -((Integer) prev[0]).intValue() - 1;
}
else {
series = ((Integer) curr[0]).intValue();
if (series < 0) {
series = -((Integer) prev[0]).intValue() - 1;
}
}
double v0 = ((Double) prev[1]).doubleValue();
double vv0 = rangeAxis.valueToJava2D(v0, dataArea,
plot.getRangeAxisEdge());
double v1 = ((Double) curr[1]).doubleValue();
double vv1 = rangeAxis.valueToJava2D(v1, dataArea,
plot.getRangeAxisEdge());
Shape[] faces = createHorizontalBlock(barX0, barW, vv0, vv1,
inverted);
Paint fillPaint = getItemPaint(series, column);
Paint fillPaintDark = fillPaint;
if (fillPaintDark instanceof Color) {
fillPaintDark = ((Color) fillPaint).darker();
}
boolean drawOutlines = isDrawBarOutline();
Paint outlinePaint = fillPaint;
if (drawOutlines) {
outlinePaint = getItemOutlinePaint(series, column);
g2.setStroke(getItemOutlineStroke(series, column));
}
for (int f = 0; f < 6; f++) {
if (f == 5) {
g2.setPaint(fillPaint);
}
else {
g2.setPaint(fillPaintDark);
}
g2.fill(faces[f]);
if (drawOutlines) {
g2.setPaint(outlinePaint);
g2.draw(faces[f]);
}
}
itemLabelList.add(new Object[] {new Integer(series),
faces[5].getBounds2D(),
BooleanUtilities.valueOf(v0 < getBase())});
// add an item entity, if this information is being collected
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addItemEntity(entities, dataset, series, column, faces[5]);
}
}
for (int i = 0; i < itemLabelList.size(); i++) {
Object[] record = (Object[]) itemLabelList.get(i);
int series = ((Integer) record[0]).intValue();
Rectangle2D bar = (Rectangle2D) record[1];
boolean neg = ((Boolean) record[2]).booleanValue();
CategoryItemLabelGenerator generator
= getItemLabelGenerator(series, column);
if (generator != null && isItemLabelVisible(series, column)) {
drawItemLabel(g2, dataset, series, column, plot, generator,
bar, neg);
}
}
}
/**
* Creates an array of shapes representing the six sides of a block in a
* horizontal stack.
*
* @param x0 left edge of bar (in Java2D space).
* @param width the width of the bar (in Java2D units).
* @param y0 the base of the block (in Java2D space).
* @param y1 the top of the block (in Java2D space).
* @param inverted a flag indicating whether or not the block is inverted
* (this changes the order of the faces of the block).
*
* @return The sides of the block.
*/
private Shape[] createHorizontalBlock(double x0, double width, double y0,
double y1, boolean inverted) {
Shape[] result = new Shape[6];
Point2D p00 = new Point2D.Double(y0, x0);
Point2D p01 = new Point2D.Double(y0, x0 + width);
Point2D p02 = new Point2D.Double(p01.getX() + getXOffset(),
p01.getY() - getYOffset());
Point2D p03 = new Point2D.Double(p00.getX() + getXOffset(),
p00.getY() - getYOffset());
Point2D p0 = new Point2D.Double(y1, x0);
Point2D p1 = new Point2D.Double(y1, x0 + width);
Point2D p2 = new Point2D.Double(p1.getX() + getXOffset(),
p1.getY() - getYOffset());
Point2D p3 = new Point2D.Double(p0.getX() + getXOffset(),
p0.getY() - getYOffset());
GeneralPath bottom = new GeneralPath();
bottom.moveTo((float) p1.getX(), (float) p1.getY());
bottom.lineTo((float) p01.getX(), (float) p01.getY());
bottom.lineTo((float) p02.getX(), (float) p02.getY());
bottom.lineTo((float) p2.getX(), (float) p2.getY());
bottom.closePath();
GeneralPath top = new GeneralPath();
top.moveTo((float) p0.getX(), (float) p0.getY());
top.lineTo((float) p00.getX(), (float) p00.getY());
top.lineTo((float) p03.getX(), (float) p03.getY());
top.lineTo((float) p3.getX(), (float) p3.getY());
top.closePath();
GeneralPath back = new GeneralPath();
back.moveTo((float) p2.getX(), (float) p2.getY());
back.lineTo((float) p02.getX(), (float) p02.getY());
back.lineTo((float) p03.getX(), (float) p03.getY());
back.lineTo((float) p3.getX(), (float) p3.getY());
back.closePath();
GeneralPath front = new GeneralPath();
front.moveTo((float) p0.getX(), (float) p0.getY());
front.lineTo((float) p1.getX(), (float) p1.getY());
front.lineTo((float) p01.getX(), (float) p01.getY());
front.lineTo((float) p00.getX(), (float) p00.getY());
front.closePath();
GeneralPath left = new GeneralPath();
left.moveTo((float) p0.getX(), (float) p0.getY());
left.lineTo((float) p1.getX(), (float) p1.getY());
left.lineTo((float) p2.getX(), (float) p2.getY());
left.lineTo((float) p3.getX(), (float) p3.getY());
left.closePath();
GeneralPath right = new GeneralPath();
right.moveTo((float) p00.getX(), (float) p00.getY());
right.lineTo((float) p01.getX(), (float) p01.getY());
right.lineTo((float) p02.getX(), (float) p02.getY());
right.lineTo((float) p03.getX(), (float) p03.getY());
right.closePath();
result[0] = bottom;
result[1] = back;
if (inverted) {
result[2] = right;
result[3] = left;
}
else {
result[2] = left;
result[3] = right;
}
result[4] = top;
result[5] = front;
return result;
}
/**
* Draws a stack of bars for one category, with a vertical orientation.
*
* @param values the value list.
* @param category the category.
* @param g2 the graphics device.
* @param state the state.
* @param dataArea the data area (adjusted for the 3D effect).
* @param plot the plot.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the dataset.
*
* @since 1.0.4
*/
protected void drawStackVertical(List values, Comparable category,
Graphics2D g2, CategoryItemRendererState state,
Rectangle2D dataArea, CategoryPlot plot,
CategoryAxis domainAxis, ValueAxis rangeAxis,
CategoryDataset dataset) {
int column = dataset.getColumnIndex(category);
double barX0 = domainAxis.getCategoryMiddle(column,
dataset.getColumnCount(), dataArea, plot.getDomainAxisEdge())
- state.getBarWidth() / 2.0;
double barW = state.getBarWidth();
// a list to store the series index and bar region, so we can draw
// all the labels at the end...
List itemLabelList = new ArrayList();
// draw the blocks
boolean inverted = rangeAxis.isInverted();
int blockCount = values.size() - 1;
for (int k = 0; k < blockCount; k++) {
int index = (inverted ? blockCount - k - 1 : k);
Object[] prev = (Object[]) values.get(index);
Object[] curr = (Object[]) values.get(index + 1);
int series = 0;
if (curr[0] == null) {
series = -((Integer) prev[0]).intValue() - 1;
}
else {
series = ((Integer) curr[0]).intValue();
if (series < 0) {
series = -((Integer) prev[0]).intValue() - 1;
}
}
double v0 = ((Double) prev[1]).doubleValue();
double vv0 = rangeAxis.valueToJava2D(v0, dataArea,
plot.getRangeAxisEdge());
double v1 = ((Double) curr[1]).doubleValue();
double vv1 = rangeAxis.valueToJava2D(v1, dataArea,
plot.getRangeAxisEdge());
Shape[] faces = createVerticalBlock(barX0, barW, vv0, vv1,
inverted);
Paint fillPaint = getItemPaint(series, column);
Paint fillPaintDark = fillPaint;
if (fillPaintDark instanceof Color) {
fillPaintDark = ((Color) fillPaint).darker();
}
boolean drawOutlines = isDrawBarOutline();
Paint outlinePaint = fillPaint;
if (drawOutlines) {
outlinePaint = getItemOutlinePaint(series, column);
g2.setStroke(getItemOutlineStroke(series, column));
}
for (int f = 0; f < 6; f++) {
if (f == 5) {
g2.setPaint(fillPaint);
}
else {
g2.setPaint(fillPaintDark);
}
g2.fill(faces[f]);
if (drawOutlines) {
g2.setPaint(outlinePaint);
g2.draw(faces[f]);
}
}
itemLabelList.add(new Object[] {new Integer(series),
faces[5].getBounds2D(),
BooleanUtilities.valueOf(v0 < getBase())});
// add an item entity, if this information is being collected
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addItemEntity(entities, dataset, series, column, faces[5]);
}
}
for (int i = 0; i < itemLabelList.size(); i++) {
Object[] record = (Object[]) itemLabelList.get(i);
int series = ((Integer) record[0]).intValue();
Rectangle2D bar = (Rectangle2D) record[1];
boolean neg = ((Boolean) record[2]).booleanValue();
CategoryItemLabelGenerator generator
= getItemLabelGenerator(series, column);
if (generator != null && isItemLabelVisible(series, column)) {
drawItemLabel(g2, dataset, series, column, plot, generator,
bar, neg);
}
}
}
/**
* Creates an array of shapes representing the six sides of a block in a
* vertical stack.
*
* @param x0 left edge of bar (in Java2D space).
* @param width the width of the bar (in Java2D units).
* @param y0 the base of the block (in Java2D space).
* @param y1 the top of the block (in Java2D space).
* @param inverted a flag indicating whether or not the block is inverted
* (this changes the order of the faces of the block).
*
* @return The sides of the block.
*/
private Shape[] createVerticalBlock(double x0, double width, double y0,
double y1, boolean inverted) {
Shape[] result = new Shape[6];
Point2D p00 = new Point2D.Double(x0, y0);
Point2D p01 = new Point2D.Double(x0 + width, y0);
Point2D p02 = new Point2D.Double(p01.getX() + getXOffset(),
p01.getY() - getYOffset());
Point2D p03 = new Point2D.Double(p00.getX() + getXOffset(),
p00.getY() - getYOffset());
Point2D p0 = new Point2D.Double(x0, y1);
Point2D p1 = new Point2D.Double(x0 + width, y1);
Point2D p2 = new Point2D.Double(p1.getX() + getXOffset(),
p1.getY() - getYOffset());
Point2D p3 = new Point2D.Double(p0.getX() + getXOffset(),
p0.getY() - getYOffset());
GeneralPath right = new GeneralPath();
right.moveTo((float) p1.getX(), (float) p1.getY());
right.lineTo((float) p01.getX(), (float) p01.getY());
right.lineTo((float) p02.getX(), (float) p02.getY());
right.lineTo((float) p2.getX(), (float) p2.getY());
right.closePath();
GeneralPath left = new GeneralPath();
left.moveTo((float) p0.getX(), (float) p0.getY());
left.lineTo((float) p00.getX(), (float) p00.getY());
left.lineTo((float) p03.getX(), (float) p03.getY());
left.lineTo((float) p3.getX(), (float) p3.getY());
left.closePath();
GeneralPath back = new GeneralPath();
back.moveTo((float) p2.getX(), (float) p2.getY());
back.lineTo((float) p02.getX(), (float) p02.getY());
back.lineTo((float) p03.getX(), (float) p03.getY());
back.lineTo((float) p3.getX(), (float) p3.getY());
back.closePath();
GeneralPath front = new GeneralPath();
front.moveTo((float) p0.getX(), (float) p0.getY());
front.lineTo((float) p1.getX(), (float) p1.getY());
front.lineTo((float) p01.getX(), (float) p01.getY());
front.lineTo((float) p00.getX(), (float) p00.getY());
front.closePath();
GeneralPath top = new GeneralPath();
top.moveTo((float) p0.getX(), (float) p0.getY());
top.lineTo((float) p1.getX(), (float) p1.getY());
top.lineTo((float) p2.getX(), (float) p2.getY());
top.lineTo((float) p3.getX(), (float) p3.getY());
top.closePath();
GeneralPath bottom = new GeneralPath();
bottom.moveTo((float) p00.getX(), (float) p00.getY());
bottom.lineTo((float) p01.getX(), (float) p01.getY());
bottom.lineTo((float) p02.getX(), (float) p02.getY());
bottom.lineTo((float) p03.getX(), (float) p03.getY());
bottom.closePath();
result[0] = bottom;
result[1] = back;
result[2] = left;
result[3] = right;
result[4] = top;
result[5] = front;
if (inverted) {
result[0] = top;
result[4] = bottom;
}
return result;
}
/**
* Tests this renderer for equality with an arbitrary object.
*
* @param obj the object (<code>null</code> permitted).
*
* @return A boolean.
*/
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof StackedBarRenderer3D)) {
return false;
}
StackedBarRenderer3D that = (StackedBarRenderer3D) obj;
if (this.renderAsPercentages != that.getRenderAsPercentages()) {
return false;
}
if (this.ignoreZeroValues != that.ignoreZeroValues) {
return false;
}
return super.equals(obj);
}
/**
* Returns a hash code for this instance.
*
* @return A hash code.
*/
public int hashCode() {
int hash = super.hashCode();
hash = HashUtilities.hashCode(hash, this.renderAsPercentages);
hash = HashUtilities.hashCode(hash, this.ignoreZeroValues);
return hash;
}
}