 protected void drawInterval(Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
IntervalCategoryDataset dataset,
int row,
int column) {
int seriesCount = getRowCount();
int categoryCount = getColumnCount();
PlotOrientation orientation = plot.getOrientation();
double rectX = 0.0;
double rectY = 0.0;
RectangleEdge domainAxisLocation = plot.getDomainAxisEdge();
RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();
// Y0
Number value0 = dataset.getEndValue(row, column);
if (value0 == null) {
return;
}
double java2dValue0 = rangeAxis.valueToJava2D(value0.doubleValue(),
dataArea, rangeAxisLocation);
// Y1
Number value1 = dataset.getStartValue(row, column);
if (value1 == null) {
return;
}
double java2dValue1 = rangeAxis.valueToJava2D(
value1.doubleValue(), dataArea, rangeAxisLocation);
if (java2dValue1 < java2dValue0) {
double temp = java2dValue1;
java2dValue1 = java2dValue0;
java2dValue0 = temp;
Number tempNum = value1;
value1 = value0;
value0 = tempNum;
}
// BAR WIDTH
double rectWidth = state.getBarWidth();
// BAR HEIGHT
double rectHeight = Math.abs(java2dValue1 - java2dValue0);
if (orientation == PlotOrientation.HORIZONTAL) {
// BAR Y
rectY = domainAxis.getCategoryStart(column, getColumnCount(),
dataArea, domainAxisLocation);
if (seriesCount > 1) {
double seriesGap = dataArea.getHeight() * getItemMargin()
/ (categoryCount * (seriesCount - 1));
rectY = rectY + row * (state.getBarWidth() + seriesGap);
}
else {
rectY = rectY + row * state.getBarWidth();
}
rectX = java2dValue0;
rectHeight = state.getBarWidth();
rectWidth = Math.abs(java2dValue1 - java2dValue0);
}
else if (orientation == PlotOrientation.VERTICAL) {
// BAR X
rectX = domainAxis.getCategoryStart(column, getColumnCount(),
dataArea, domainAxisLocation);
if (seriesCount > 1) {
double seriesGap = dataArea.getWidth() * getItemMargin()
/ (categoryCount * (seriesCount - 1));
rectX = rectX + row * (state.getBarWidth() + seriesGap);
}
else {
rectX = rectX + row * state.getBarWidth();
}
rectY = java2dValue0;
}
Rectangle2D bar = new Rectangle2D.Double(rectX, rectY, rectWidth,
rectHeight);
Paint seriesPaint = getItemPaint(row, column);
g2.setPaint(seriesPaint);
g2.fill(bar);
// draw the outline...
if (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);
}
}
CategoryItemLabelGenerator generator = getItemLabelGenerator(row,
column);
if (generator != null && isItemLabelVisible(row, column)) {
drawItemLabel(g2, dataset, row, column, plot, generator, bar,
false);
}
// add an item entity, if this information is being collected
EntityCollection entities = state.getEntityCollection();
if (entities != null) {
addItemEntity(entities, dataset, row, column, bar);
}
}
|
public void drawItem(Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
CategoryDataset dataset,
int row,
int column,
int pass) {
if (dataset instanceof IntervalCategoryDataset) {
IntervalCategoryDataset d = (IntervalCategoryDataset) dataset;
drawInterval(g2, state, dataArea, plot, domainAxis, rangeAxis,
d, row, column);
}
else {
super.drawItem(g2, state, dataArea, plot, domainAxis, rangeAxis,
dataset, row, column, pass);
}
} Draws the bar for a single (series, category) data item. |
org.jfree.chart.renderer.AbstractRenderer
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