@Override
public void handleEvent(DataRetrievalEvent evt) {
switch (evt.getType()) {
case COMPLETED:
DrawingMode mode = (DrawingMode) instructions.get(DrawingInstruction.MODE);
if (mode == DrawingMode.ARC) {
int maxDataValue = IntervalTrack.getMaxValue(evt.getData());
Range range = (Range) instructions.get(DrawingInstruction.RANGE);
addInstruction(
DrawingInstruction.AXIS_RANGE,
new AxisRange(range, new Range(0, (int) Math.round(Math.log(maxDataValue)))));
}
break;
}
super.handleEvent(evt);
}
private void renderArcMode(Graphics2D g2, GraphPaneAdapter gp, Resolution r) {
ColourScheme cs = (ColourScheme) instructions.get(DrawingInstruction.COLOUR_SCHEME);
Color bgcolor = cs.getColor(ColourKey.OPAQUE_GRAPH);
AxisRange axisRange = (AxisRange) instructions.get(DrawingInstruction.AXIS_RANGE);
if (r == Resolution.HIGH) {
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
gp.setXRange(axisRange.getXRange());
gp.setYRange(axisRange.getYRange());
for (Record record : data) {
Interval inter = ((IntervalRecord) record).getInterval();
int arcLength = inter.getLength();
double arcHeight = Math.log((double) arcLength);
double rectWidth = arcLength * gp.getUnitWidth();
double rectHeight = arcHeight * 2 * gp.getUnitHeight();
double xOrigin = gp.transformXPos(inter.getStart());
double yOrigin = gp.transformYPos(arcHeight);
g2.setColor(bgcolor);
g2.draw(new Arc2D.Double(xOrigin, yOrigin, rectWidth, rectHeight, -180, -180, Arc2D.OPEN));
}
}
}