/**
* Draw a single data item.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the area in which the data is drawn.
* @param plot the plot.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the dataset (a {@link StatisticalCategoryDataset} is required).
* @param row the row index (zero-based).
* @param column the column index (zero-based).
* @param pass the pass.
*/
@Override
public void drawItem(
Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
CategoryDataset dataset,
int row,
int column,
int pass) {
// do nothing if item is not visible
if (!getItemVisible(row, column)) {
return;
}
// if the dataset is not a StatisticalCategoryDataset then just revert
// to the superclass (LineAndShapeRenderer) behaviour...
if (!(dataset instanceof StatisticalCategoryDataset)) {
super.drawItem(g2, state, dataArea, plot, domainAxis, rangeAxis, dataset, row, column, pass);
return;
}
int visibleRow = state.getVisibleSeriesIndex(row);
if (visibleRow < 0) {
return;
}
int visibleRowCount = state.getVisibleSeriesCount();
StatisticalCategoryDataset statDataset = (StatisticalCategoryDataset) dataset;
Number meanValue = statDataset.getMeanValue(row, column);
if (meanValue == null) {
return;
}
PlotOrientation orientation = plot.getOrientation();
// current data point...
double x1;
if (getUseSeriesOffset()) {
x1 =
domainAxis.getCategorySeriesMiddle(
column,
dataset.getColumnCount(),
visibleRow,
visibleRowCount,
getItemMargin(),
dataArea,
plot.getDomainAxisEdge());
} else {
x1 =
domainAxis.getCategoryMiddle(
column, getColumnCount(), dataArea, plot.getDomainAxisEdge());
}
double y1 = rangeAxis.valueToJava2D(meanValue.doubleValue(), dataArea, plot.getRangeAxisEdge());
// draw the standard deviation lines *before* the shapes (if they're
// visible) - it looks better if the shape fill colour is different to
// the line colour
Number sdv = statDataset.getStdDevValue(row, column);
if (pass == 1 && sdv != null) {
// standard deviation lines
RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
double valueDelta = sdv.doubleValue();
double highVal, lowVal;
if ((meanValue.doubleValue() + valueDelta) > rangeAxis.getRange().getUpperBound()) {
highVal =
rangeAxis.valueToJava2D(rangeAxis.getRange().getUpperBound(), dataArea, yAxisLocation);
} else {
highVal =
rangeAxis.valueToJava2D(meanValue.doubleValue() + valueDelta, dataArea, yAxisLocation);
}
if ((meanValue.doubleValue() + valueDelta) < rangeAxis.getRange().getLowerBound()) {
lowVal =
rangeAxis.valueToJava2D(rangeAxis.getRange().getLowerBound(), dataArea, yAxisLocation);
} else {
lowVal =
rangeAxis.valueToJava2D(meanValue.doubleValue() - valueDelta, dataArea, yAxisLocation);
}
if (this.errorIndicatorPaint != null) {
g2.setPaint(this.errorIndicatorPaint);
} else {
g2.setPaint(getItemPaint(row, column));
}
if (this.errorIndicatorStroke != null) {
g2.setStroke(this.errorIndicatorStroke);
} else {
g2.setStroke(getItemOutlineStroke(row, column));
}
Line2D line = new Line2D.Double();
if (orientation == PlotOrientation.HORIZONTAL) {
line.setLine(lowVal, x1, highVal, x1);
g2.draw(line);
line.setLine(lowVal, x1 - 5.0d, lowVal, x1 + 5.0d);
g2.draw(line);
line.setLine(highVal, x1 - 5.0d, highVal, x1 + 5.0d);
g2.draw(line);
} else { // PlotOrientation.VERTICAL
line.setLine(x1, lowVal, x1, highVal);
g2.draw(line);
line.setLine(x1 - 5.0d, highVal, x1 + 5.0d, highVal);
g2.draw(line);
line.setLine(x1 - 5.0d, lowVal, x1 + 5.0d, lowVal);
g2.draw(line);
}
}
Shape hotspot = null;
if (pass == 1 && getItemShapeVisible(row, column)) {
Shape shape = getItemShape(row, column);
if (orientation == PlotOrientation.HORIZONTAL) {
shape = ShapeUtilities.createTranslatedShape(shape, y1, x1);
} else if (orientation == PlotOrientation.VERTICAL) {
shape = ShapeUtilities.createTranslatedShape(shape, x1, y1);
}
hotspot = shape;
if (getItemShapeFilled(row, column)) {
if (getUseFillPaint()) {
g2.setPaint(getItemFillPaint(row, column));
} else {
g2.setPaint(getItemPaint(row, column));
}
g2.fill(shape);
}
if (getDrawOutlines()) {
if (getUseOutlinePaint()) {
g2.setPaint(getItemOutlinePaint(row, column));
} else {
g2.setPaint(getItemPaint(row, column));
}
g2.setStroke(getItemOutlineStroke(row, column));
g2.draw(shape);
}
// draw the item label if there is one...
if (isItemLabelVisible(row, column)) {
if (orientation == PlotOrientation.HORIZONTAL) {
drawItemLabel(
g2, orientation, dataset, row, column, y1, x1, (meanValue.doubleValue() < 0.0));
} else if (orientation == PlotOrientation.VERTICAL) {
drawItemLabel(
g2, orientation, dataset, row, column, x1, y1, (meanValue.doubleValue() < 0.0));
}
}
}
if (pass == 0 && getItemLineVisible(row, column)) {
if (column != 0) {
Number previousValue = statDataset.getValue(row, column - 1);
if (previousValue != null) {
// previous data point...
double previous = previousValue.doubleValue();
double x0;
if (getUseSeriesOffset()) {
x0 =
domainAxis.getCategorySeriesMiddle(
column - 1,
dataset.getColumnCount(),
visibleRow,
visibleRowCount,
getItemMargin(),
dataArea,
plot.getDomainAxisEdge());
} else {
x0 =
domainAxis.getCategoryMiddle(
column - 1, getColumnCount(), dataArea, plot.getDomainAxisEdge());
}
double y0 = rangeAxis.valueToJava2D(previous, dataArea, plot.getRangeAxisEdge());
Line2D line = null;
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(y0, x0, y1, x1);
} else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(x0, y0, x1, y1);
}
g2.setPaint(getItemPaint(row, column));
g2.setStroke(getItemStroke(row, column));
g2.draw(line);
}
}
}
if (pass == 1) {
// add an item entity, if this information is being collected
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addEntity(entities, hotspot, dataset, row, column, x1, y1);
}
}
}
/**
* Draws an item for a plot with a vertical orientation.
*
* @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 data.
* @param visibleRow the visible row index.
* @param row the row index (zero-based).
* @param column the column index (zero-based).
*/
protected void drawVerticalItem(
Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
StatisticalCategoryDataset dataset,
int visibleRow,
int row,
int column) {
// BAR X
double rectX =
calculateBarW0(
plot, PlotOrientation.VERTICAL, dataArea, domainAxis, state, visibleRow, column);
// BAR Y
Number meanValue = dataset.getMeanValue(row, column);
if (meanValue == null) {
return;
}
double value = meanValue.doubleValue();
double base = 0.0;
double lclip = getLowerClip();
double uclip = getUpperClip();
if (uclip <= 0.0) { // cases 1, 2, 3 and 4
if (value >= uclip) {
return; // 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; // bar is not visible
}
base = getLowerClip();
if (value >= uclip) {
value = uclip;
}
}
RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
double transY1 = rangeAxis.valueToJava2D(base, dataArea, yAxisLocation);
double transY2 = rangeAxis.valueToJava2D(value, dataArea, yAxisLocation);
double rectY = Math.min(transY2, transY1);
double rectWidth = state.getBarWidth();
double rectHeight = Math.abs(transY2 - transY1);
Rectangle2D bar = new Rectangle2D.Double(rectX, rectY, rectWidth, rectHeight);
Paint itemPaint = getItemPaint(row, column);
GradientPaintTransformer t = getGradientPaintTransformer();
if (t != null && itemPaint instanceof GradientPaint) {
itemPaint = t.transform((GradientPaint) itemPaint, 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);
}
}
// standard deviation lines
Number n = dataset.getStdDevValue(row, column);
if (n != null) {
double valueDelta = n.doubleValue();
double highVal =
rangeAxis.valueToJava2D(meanValue.doubleValue() + valueDelta, dataArea, yAxisLocation);
double lowVal =
rangeAxis.valueToJava2D(meanValue.doubleValue() - valueDelta, dataArea, yAxisLocation);
if (this.errorIndicatorPaint != null) {
g2.setPaint(this.errorIndicatorPaint);
} else {
g2.setPaint(getItemOutlinePaint(row, column));
}
if (this.errorIndicatorStroke != null) {
g2.setStroke(this.errorIndicatorStroke);
} else {
g2.setStroke(getItemOutlineStroke(row, column));
}
Line2D line;
line =
new Line2D.Double(
rectX + rectWidth / 2.0d, lowVal,
rectX + rectWidth / 2.0d, highVal);
g2.draw(line);
line =
new Line2D.Double(
rectX + rectWidth / 2.0d - 5.0d, highVal, rectX + rectWidth / 2.0d + 5.0d, highVal);
g2.draw(line);
line =
new Line2D.Double(
rectX + rectWidth / 2.0d - 5.0d, lowVal, rectX + rectWidth / 2.0d + 5.0d, lowVal);
g2.draw(line);
}
CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
if (generator != null && isItemLabelVisible(row, column)) {
drawItemLabel(g2, dataset, row, column, plot, generator, bar, (value < 0.0));
}
// add an item entity, if this information is being collected
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addItemEntity(entities, dataset, row, column, bar);
}
}
/**
* Draws an item for a plot with a vertical orientation.
*
* @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 data.
* @param row the row index (zero-based).
* @param column the column index (zero-based).
*/
protected void drawVerticalItem(
Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
StatisticalCategoryDataset dataset,
int row,
int column) {
RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
// BAR X
double rectX = domainAxis.getCategoryStart(column, getColumnCount(), dataArea, xAxisLocation);
int seriesCount = getRowCount();
int categoryCount = getColumnCount();
if (seriesCount > 1) {
double seriesGap =
dataArea.getWidth() * getItemMargin() / (categoryCount * (seriesCount - 1));
rectX = rectX + row * (state.getBarWidth() + seriesGap);
} else {
rectX = rectX + row * state.getBarWidth();
}
// BAR Y
Number meanValue = dataset.getMeanValue(row, column);
double value = meanValue.doubleValue();
double base = 0.0;
double lclip = getLowerClip();
double uclip = getUpperClip();
if (uclip <= 0.0) { // cases 1, 2, 3 and 4
if (value >= uclip) {
return; // 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; // bar is not visible
}
base = getLowerClip();
if (value >= uclip) {
value = uclip;
}
}
RectangleEdge yAxisLocation = plot.getRangeAxisEdge();
double transY1 = rangeAxis.valueToJava2D(base, dataArea, yAxisLocation);
double transY2 = rangeAxis.valueToJava2D(value, dataArea, yAxisLocation);
double rectY = Math.min(transY2, transY1);
double rectWidth = state.getBarWidth();
double rectHeight = Math.abs(transY2 - transY1);
Rectangle2D bar = new Rectangle2D.Double(rectX, rectY, rectWidth, rectHeight);
Paint seriesPaint = getItemPaint(row, column);
g2.setPaint(seriesPaint);
g2.fill(bar);
if (state.getBarWidth() > 3) {
g2.setStroke(getItemStroke(row, column));
g2.setPaint(getItemOutlinePaint(row, column));
g2.draw(bar);
}
// standard deviation lines
double valueDelta = dataset.getStdDevValue(row, column).doubleValue();
double highVal =
rangeAxis.valueToJava2D(meanValue.doubleValue() + valueDelta, dataArea, yAxisLocation);
double lowVal =
rangeAxis.valueToJava2D(meanValue.doubleValue() - valueDelta, dataArea, yAxisLocation);
if (this.errorIndicatorPaint != null) {
g2.setPaint(this.errorIndicatorPaint);
} else {
g2.setPaint(getItemOutlinePaint(row, column));
}
Line2D line = null;
line =
new Line2D.Double(
rectX + rectWidth / 2.0d, lowVal,
rectX + rectWidth / 2.0d, highVal);
g2.draw(line);
line =
new Line2D.Double(
rectX + rectWidth / 2.0d - 5.0d, highVal, rectX + rectWidth / 2.0d + 5.0d, highVal);
g2.draw(line);
line =
new Line2D.Double(
rectX + rectWidth / 2.0d - 5.0d, lowVal, rectX + rectWidth / 2.0d + 5.0d, lowVal);
g2.draw(line);
CategoryItemLabelGenerator generator = getItemLabelGenerator(row, column);
if (generator != null && isItemLabelVisible(row, column)) {
drawItemLabel(g2, dataset, row, column, plot, generator, bar, (value < 0.0));
}
// add an item entity, if this information is being collected
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addItemEntity(entities, dataset, row, column, bar);
}
}