/**
* Draws the arc to represent an interval.
*
* @param g2 the graphics device.
* @param meterArea the drawing area.
* @param interval the interval.
*/
protected void drawArcForInterval(Graphics2D g2, Rectangle2D meterArea, MeterInterval interval) {
double minValue = interval.getRange().getLowerBound();
double maxValue = interval.getRange().getUpperBound();
Paint outlinePaint = interval.getOutlinePaint();
Stroke outlineStroke = interval.getOutlineStroke();
Paint backgroundPaint = interval.getBackgroundPaint();
if (backgroundPaint != null) {
fillArc(g2, meterArea, minValue, maxValue, backgroundPaint, false);
}
if (outlinePaint != null) {
if (outlineStroke != null) {
drawArc(g2, meterArea, minValue, maxValue, outlinePaint, outlineStroke);
}
drawTick(g2, meterArea, minValue, true);
drawTick(g2, meterArea, maxValue, true);
}
}
/**
* Returns an item for each interval.
*
* @return A collection of legend items.
*/
public LegendItemCollection getLegendItems() {
LegendItemCollection result = new LegendItemCollection();
Iterator iterator = this.intervals.iterator();
while (iterator.hasNext()) {
MeterInterval mi = (MeterInterval) iterator.next();
Paint color = mi.getBackgroundPaint();
if (color == null) {
color = mi.getOutlinePaint();
}
LegendItem item =
new LegendItem(
mi.getLabel(),
mi.getLabel(),
null,
null,
new Rectangle2D.Double(-4.0, -4.0, 8.0, 8.0),
color);
result.add(item);
}
return result;
}