double yy0 = rangeAxis.valueToJava2D(y0, dataArea,
plot.getRangeAxisEdge());
double yy1 = rangeAxis.valueToJava2D(y1, dataArea,
plot.getRangeAxisEdge());
RectangleEdge xAxisLocation = plot.getDomainAxisEdge();
double x0 = intervalDataset.getStartXValue(series, item);
double xx0 = domainAxis.valueToJava2D(x0, dataArea, xAxisLocation);
double x1 = intervalDataset.getEndXValue(series, item);
double xx1 = domainAxis.valueToJava2D(x1, dataArea, xAxisLocation);
double intervalW = xx1 - xx0; // this may be negative
double baseX = xx0;
if (this.centerBarAtStartValue) {
baseX = baseX - intervalW / 2.0;
}
double m = getMargin();
if (m > 0.0) {
double cut = intervalW * getMargin();
intervalW = intervalW - cut;
baseX = baseX + (cut / 2);
}
double intervalH = Math.abs(yy0 - yy1); // we don't need the sign
PlotOrientation orientation = plot.getOrientation();
int numSeries = dataset.getSeriesCount();
double seriesBarWidth = intervalW / numSeries; // may be negative
Rectangle2D bar = null;
if (orientation == PlotOrientation.HORIZONTAL) {
double barY0 = baseX + (seriesBarWidth * series);
double barY1 = barY0 + seriesBarWidth;
double rx = Math.min(yy0, yy1);
double rw = intervalH;
double ry = Math.min(barY0, barY1);
double rh = Math.abs(barY1 - barY0);
bar = new Rectangle2D.Double(rx, ry, rw, rh);
}
else if (orientation == PlotOrientation.VERTICAL) {
double barX0 = baseX + (seriesBarWidth * series);
double barX1 = barX0 + seriesBarWidth;
double rx = Math.min(barX0, barX1);
double rw = Math.abs(barX1 - barX0);
double ry = Math.min(yy0, yy1);
double rh = intervalH;
bar = new Rectangle2D.Double(rx, ry, rw, rh);
}
boolean positive = (y1 > 0.0);
boolean inverted = rangeAxis.isInverted();
RectangleEdge barBase;
if (orientation == PlotOrientation.HORIZONTAL) {
if (positive && inverted || !positive && !inverted) {
barBase = RectangleEdge.RIGHT;
}
else {