private void setIndicators() {
if (ellipseIndicator == null) ellipseIndicator = new Ellipse2D.Double();
if (arcIndicator == null) arcIndicator = new Arc2D.Double();
ellipseIndicator.setFrame(angle.x, angle.y, angle.width, angle.height);
arcIndicator.setArc(
angle.x, angle.y, angle.width, angle.height, angle.start, angle.extent, Arc2D.PIE);
}
public Arc2D evaluate(Arc2D v0, Arc2D v1, float fraction) {
double x = v0.getX() + ((v1.getX() - v0.getX()) * fraction);
double y = v0.getY() + ((v1.getY() - v0.getY()) * fraction);
double w = v0.getWidth() + ((v1.getWidth() - v0.getWidth()) * fraction);
double h = v0.getHeight() + ((v1.getHeight() - v0.getHeight()) * fraction);
double start = v0.getAngleStart() + ((v1.getAngleStart() - v0.getAngleStart()) * fraction);
double extent = v0.getAngleExtent() + ((v1.getAngleExtent() - v0.getAngleExtent()) * fraction);
Arc2D value = (Arc2D) v0.clone();
value.setArc(x, y, w, h, start, extent, v0.getArcType());
return value;
}
public boolean contains(double x, double y) {
setArc();
double narrow = Math.abs(angle.extent) * 0.2;
if (arc == null) arc = new Arc2D.Double();
arc.setArc(
atom3.rx - 0.5 * angle.width,
atom3.ry - 0.5 * angle.height,
angle.width,
angle.height,
angle.extent > 0 ? angle.start + narrow : angle.start - narrow,
angle.extent > 0 ? angle.extent - narrow - narrow : angle.extent + narrow + narrow,
Arc2D.PIE);
return arc.contains(x, y);
}
/**
* Draws the scale on the dial plot.
*
* @param g2 the graphics target (<code>null</code> not permitted).
* @param plot the dial plot (<code>null</code> not permitted).
* @param frame the reference frame that is used to construct the geometry of the plot (<code>null
* </code> not permitted).
* @param view the visible part of the plot (<code>null</code> not permitted).
*/
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame, Rectangle2D view) {
Rectangle2D arcRect =
DialPlot.rectangleByRadius(frame, this.getTickRadius(), this.getTickRadius());
Rectangle2D arcRectMajor =
DialPlot.rectangleByRadius(
frame,
this.getTickRadius() - this.getMajorTickLength(),
this.getTickRadius() - this.getMajorTickLength());
Rectangle2D arcRectMinor = arcRect;
if (this.getMinorTickCount() > 0 && this.getMinorTickLength() > 0.0) {
arcRectMinor =
DialPlot.rectangleByRadius(
frame,
this.getTickRadius() - this.getMinorTickLength(),
this.getTickRadius() - this.getMinorTickLength());
}
Rectangle2D arcRectForLabels =
DialPlot.rectangleByRadius(
frame,
this.getTickRadius() - this.getTickLabelOffset(),
this.getTickRadius() - this.getTickLabelOffset());
boolean firstLabel = true;
Arc2D arc = new Arc2D.Double();
Line2D workingLine = new Line2D.Double();
Stroke arcStroke = new BasicStroke(0.75f);
for (double v = this.getLowerBound();
v <= this.getUpperBound();
v += this.getMajorTickIncrement()) {
arc.setArc(arcRect, this.getStartAngle(), valueToAngle(v) - this.getStartAngle(), Arc2D.OPEN);
g2.setPaint(this.getMajorTickPaint());
g2.setStroke(arcStroke);
g2.draw(arc);
Point2D pt0 = arc.getEndPoint();
arc.setArc(
arcRectMajor, this.getStartAngle(), valueToAngle(v) - this.getStartAngle(), Arc2D.OPEN);
Point2D pt1 = arc.getEndPoint();
g2.setPaint(this.getMajorTickPaint());
g2.setStroke(this.getMajorTickStroke());
workingLine.setLine(pt0, pt1);
g2.draw(workingLine);
arc.setArc(
arcRectForLabels,
this.getStartAngle(),
valueToAngle(v) - this.getStartAngle(),
Arc2D.OPEN);
Point2D pt2 = arc.getEndPoint();
if (this.getTickLabelsVisible()) {
if (!firstLabel || this.getFirstTickLabelVisible()) {
g2.setFont(this.getTickLabelFont());
TextUtilities.drawAlignedString(
this.getTickLabelFormatter().format(v),
g2,
(float) pt2.getX(),
(float) pt2.getY(),
TextAnchor.CENTER);
}
}
firstLabel = false;
// now do the minor tick marks
if (this.getMinorTickCount() > 0 && this.getMinorTickLength() > 0.0) {
double minorTickIncrement = this.getMajorTickIncrement() / (this.getMinorTickCount() + 1);
for (int i = 0; i < this.getMinorTickCount(); i++) {
double vv = v + ((i + 1) * minorTickIncrement);
if (vv >= this.getUpperBound()) {
break;
}
double angle = valueToAngle(vv);
arc.setArc(arcRect, this.getStartAngle(), angle - this.getStartAngle(), Arc2D.OPEN);
pt0 = arc.getEndPoint();
arc.setArc(arcRectMinor, this.getStartAngle(), angle - this.getStartAngle(), Arc2D.OPEN);
Point2D pt3 = arc.getEndPoint();
g2.setStroke(this.getMinorTickStroke());
g2.setPaint(this.getMinorTickPaint());
workingLine.setLine(pt0, pt3);
g2.draw(workingLine);
}
}
}
}