/**
* 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);
}
}
/**
* Draws a tick.
*
* @param g2 the graphics device.
* @param meterArea the meter area.
* @param value the value.
*/
protected void drawTick(Graphics2D g2, Rectangle2D meterArea, double value) {
drawTick(g2, meterArea, value, false);
}
/**
* Draws the ticks that subdivide the overall range.
*
* @param g2 the graphics device.
* @param meterArea the meter area.
* @param minValue the minimum value.
* @param maxValue the maximum value.
*/
protected void drawTicks(Graphics2D g2, Rectangle2D meterArea, double minValue, double maxValue) {
for (double v = minValue; v <= maxValue; v += this.tickSize) {
drawTick(g2, meterArea, v);
}
}