📄 barrenderer3d.java
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double seriesGap = dataArea.getHeight() * getItemMargin()
/ (categoryCount * (seriesCount - 1));
y2 = y2 + row * (getBarWidth() + seriesGap);
}
else {
y2 = y2 + row * getBarWidth();
}
// HEIGHT
double y0 = y2 + getBarWidth();
double y1 = y0 - getYOffset();
double y3 = y2 - getYOffset();
// draw the bar...
if (plot.getForegroundAlpha() == 1.0) {
g2.setClip(hiddenClip);
}
Rectangle2D bar = new Rectangle2D.Double(x0, y2, x2 - x0, y0 - y2);
g2.setPaint(getItemPaint(row, column));
g2.fill(bar);
hiddenClip.subtract(new Area(bar));
GeneralPath bar3dRight = null;
GeneralPath bar3dTop = null;
if ((x2 - x0) != 0) {
bar3dRight = new GeneralPath();
bar3dRight.moveTo((float) x2, (float) y2);
bar3dRight.lineTo((float) x2, (float) y0);
bar3dRight.lineTo((float) x3, (float) y1);
bar3dRight.lineTo((float) x3, (float) y3);
bar3dRight.closePath();
g2.fill(bar3dRight);
hiddenClip.subtract(new Area(bar3dRight));
bar3dTop = new GeneralPath();
bar3dTop.moveTo((float) x0, (float) y2);
bar3dTop.lineTo((float) x1, (float) y3);
bar3dTop.lineTo((float) x3, (float) y3);
bar3dTop.lineTo((float) x2, (float) y2);
bar3dTop.closePath();
g2.fill(bar3dTop);
hiddenClip.subtract(new Area(bar3dTop));
}
if (getBarWidth() > BAR_OUTLINE_WIDTH_THRESHOLD) {
g2.setStroke(getItemStroke(row, column));
g2.setPaint(getItemOutlinePaint(row, column));
g2.draw(bar);
if (bar3dRight != null) {
g2.draw(bar3dRight);
}
if (bar3dTop != null) {
g2.draw(bar3dTop);
}
}
CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
if (generator != null && isItemLabelVisible(row, column)) {
drawItemLabel(g2, dataset, row, column, plot, generator, bar, (transX1 > transX2));
}
// collect entity and tool tip information...
if (getInfo() != null) {
EntityCollection entities = getInfo().getEntityCollection();
if (entities != null) {
String tip = null;
generator = getItemLabelGenerator(row, column);
if (generator != null) {
tip = generator.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);
}
}
}
}
/**
* Draws a 3D bar to represent one data item.
*
* @param g2 the graphics device.
* @param dataArea the area for plotting the data.
* @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).
*/
protected void drawVerticalItem(Graphics2D g2,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
CategoryDataset dataset,
int row,
int column) {
// check the value we are plotting...
Number value = dataset.getValue(row, column);
if (value != null) {
Rectangle2D adjusted = new Rectangle2D.Double(dataArea.getX(),
dataArea.getY() + getYOffset(),
dataArea.getWidth() - getXOffset(),
dataArea.getHeight() - getYOffset());
// BAR X
double x0 = domainAxis.getCategoryStart(column, getColumnCount(), adjusted,
plot.getDomainAxisEdge());
int seriesCount = getRowCount();
int categoryCount = getColumnCount();
if (seriesCount > 1) {
double seriesGap = adjusted.getWidth() * getItemMargin()
/ (categoryCount * (seriesCount - 1));
x0 = x0 + row * (getBarWidth() + seriesGap);
}
else {
x0 = x0 + row * getBarWidth();
}
// BAR Y
double y = value.doubleValue();
double base = 0.0;
double lclip = getLowerClip();
double uclip = getUpperClip();
if (uclip <= 0.0) { // cases 1, 2, 3 and 4
if (y >= uclip) {
return; // bar is not visible
}
base = uclip;
if (y <= lclip) {
y = lclip;
}
}
else {
if (lclip <= 0.0) { // cases 5, 6, 7 and 8
if (y >= uclip) {
y = uclip;
}
else {
if (y <= lclip) {
y = lclip;
}
}
}
else { // cases 9, 10, 11 and 12
if (y <= lclip) {
return; // bar is not visible
}
base = lclip;
if (y >= uclip) {
y = uclip;
}
}
}
RectangleEdge edge = plot.getRangeAxisEdge();
double transY1 = rangeAxis.translateValueToJava2D(base, adjusted, edge);
double transY2 = rangeAxis.translateValueToJava2D(y, adjusted, edge);
double y2 = Math.min(transY1, transY2);
double x1 = x0 + getBarWidth();
double y0 = Math.max(transY1, transY2);
double x2 = x0 + this.xOffset;
double x3 = x1 + this.xOffset;
double y1 = y0 - this.yOffset;
double y3 = y2 - this.yOffset;
Rectangle2D bar = new Rectangle2D.Double(x0, y2, x1 - x0, y0 - y2);
Paint itemPaint = getItemPaint(row, column);
g2.setPaint(itemPaint);
g2.fill(bar);
GeneralPath bar3dRight = null;
GeneralPath bar3dTop = null;
if ((y0 - y2) != 0) {
bar3dRight = new GeneralPath();
bar3dRight.moveTo((float) x1, (float) y2);
bar3dRight.lineTo((float) x1, (float) y0);
bar3dRight.lineTo((float) x3, (float) y1);
bar3dRight.lineTo((float) x3, (float) y3);
bar3dRight.closePath();
if (itemPaint instanceof Color) {
g2.setPaint(((Color) itemPaint).darker());
}
g2.fill(bar3dRight);
}
bar3dTop = new GeneralPath();
bar3dTop.moveTo((float) x0, (float) y2);
bar3dTop.lineTo((float) x2, (float) y3);
bar3dTop.lineTo((float) x3, (float) y3);
bar3dTop.lineTo((float) x1, (float) y2);
bar3dTop.closePath();
g2.fill(bar3dTop);
if (getBarWidth() > 3) {
g2.setStroke(getItemStroke(row, column));
g2.setPaint(getItemOutlinePaint(row, column));
g2.draw(bar);
if (bar3dRight != null) {
g2.draw(bar3dRight);
}
if (bar3dTop != null) {
g2.draw(bar3dTop);
}
}
CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
if (generator != null && isItemLabelVisible(row, column)) {
drawItemLabel(g2, dataset, row, column, plot, generator, bar, (transY1 > transY2));
}
// collect entity and tool tip information...
if (getInfo() != null) {
EntityCollection entities = getInfo().getEntityCollection();
if (entities != null) {
GeneralPath barOutline = new GeneralPath();
barOutline.moveTo((float) x0, (float) y0);
barOutline.lineTo((float) x0, (float) y2);
barOutline.lineTo((float) x2, (float) y3);
barOutline.lineTo((float) x3, (float) y3);
barOutline.lineTo((float) x3, (float) y1);
barOutline.lineTo((float) x1, (float) y0);
barOutline.closePath();
String tip = null;
generator = getItemLabelGenerator(row, column);
if (generator != null) {
tip = generator.generateToolTip(dataset, row, column);
}
String url = null;
if (getItemURLGenerator(row, column) != null) {
url = getItemURLGenerator(row, column).generateURL(dataset, row, column);
}
CategoryItemEntity entity = new CategoryItemEntity(
barOutline, tip, url, dataset, row, dataset.getColumnKey(column), column
);
entities.addEntity(entity);
}
}
}
}
/**
* Provides serialization support.
*
* @param stream the output stream.
*
* @throws IOException if there is an I/O error.
*/
private void writeObject(ObjectOutputStream stream) throws IOException {
stream.defaultWriteObject();
SerialUtilities.writePaint(this.wallPaint, stream);
}
/**
* Provides serialization support.
*
* @param stream the input stream.
*
* @throws IOException if there is an I/O error.
* @throws ClassNotFoundException if there is a classpath problem.
*/
private void readObject(ObjectInputStream stream) throws IOException, ClassNotFoundException {
stream.defaultReadObject();
this.wallPaint = SerialUtilities.readPaint(stream);
}
}
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