package org.jfree.chart.renderer.category;
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.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 org.jfree.chart.plot.CategoryPlot} class.
*/
public class EvenOddStackedBarRenderer3D extends StackedBarRenderer3D {
private boolean even = true;
public EvenOddStackedBarRenderer3D(boolean even) {
this(even, 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 EvenOddStackedBarRenderer3D(boolean even, double xOffset, double yOffset) {
this(even, xOffset, yOffset, false);
}
/**
* Creates a new renderer.
*
* @param renderAsPercentages a flag that controls whether the data values
* are rendered as percentages.
*
* @since 1.0.2
*/
public EvenOddStackedBarRenderer3D(boolean even, boolean renderAsPercentages) {
super(renderAsPercentages);
this.even = even;
}
/**
* 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 EvenOddStackedBarRenderer3D(boolean even, double xOffset, double yOffset,
boolean renderAsPercentages) {
super(xOffset, yOffset, renderAsPercentages);
}
/**
* 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;
if (even) {
barX0 = domainAxis.getCategoryMiddle(column, dataset.getColumnCount(), dataArea, plot.getDomainAxisEdge()) - state.getBarWidth() / 2.0;
} else {
barX0 = domainAxis.getCategoryMiddle(column, dataset.getColumnCount(), dataArea, plot.getDomainAxisEdge()) + (state.getBarWidth() * 0.05);
}
double barW = (state.getBarWidth() / 2) - (state.getBarWidth() * 0.05);
// 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();
}
else {
series = ((Integer) curr[0]).intValue();
if (series < 0) {
series = -((Integer) prev[0]).intValue();
}
}
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 outlinePaint = getItemOutlinePaint(series, column);
g2.setStroke(getItemOutlineStroke(series, column));
for (int f = 0; f < 6; f++) {
g2.setPaint(fillPaint);
g2.fill(faces[f]);
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;
if (even) {
barX0 = domainAxis.getCategoryMiddle(column, dataset.getColumnCount(), dataArea, plot.getDomainAxisEdge()) - state.getBarWidth() / 2.0;
} else {
barX0 = domainAxis.getCategoryMiddle(column, dataset.getColumnCount(), dataArea, plot.getDomainAxisEdge()) + (state.getBarWidth() * 0.10);
}
double barW = (state.getBarWidth() / 2) - (state.getBarWidth() * 0.10);
// 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();
}
else {
series = ((Integer) curr[0]).intValue();
if (series < 0) {
series = -((Integer) prev[0]).intValue();
}
}
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 outlinePaint = getItemOutlinePaint(series, column);
g2.setStroke(getItemOutlineStroke(series, column));
for (int f = 0; f < 6; f++) {
g2.setPaint(fillPaint);
g2.fill(faces[f]);
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;
}
}