/**
* Returns a path which is cappedPath at the ends, to prevent it from drawing under the end caps.
*/
protected BezierPath getCappedPath() {
if (cappedPath == null) {
cappedPath = path.clone();
if (isClosed()) {
cappedPath.setClosed(true);
} else {
if (cappedPath.size() > 1) {
if (get(START_DECORATION) != null) {
BezierPath.Node p0 = cappedPath.get(0);
BezierPath.Node p1 = cappedPath.get(1);
Point2D.Double pp;
if ((p0.getMask() & BezierPath.C2_MASK) != 0) {
pp = p0.getControlPoint(2);
} else if ((p1.getMask() & BezierPath.C1_MASK) != 0) {
pp = p1.getControlPoint(1);
} else {
pp = p1.getControlPoint(0);
}
double radius = get(START_DECORATION).getDecorationRadius(this);
double lineLength = Geom.length(p0.getControlPoint(0), pp);
cappedPath.set(
0, 0, Geom.cap(pp, p0.getControlPoint(0), -Math.min(radius, lineLength)));
}
if (get(END_DECORATION) != null) {
BezierPath.Node p0 = cappedPath.get(cappedPath.size() - 1);
BezierPath.Node p1 = cappedPath.get(cappedPath.size() - 2);
Point2D.Double pp;
if ((p0.getMask() & BezierPath.C1_MASK) != 0) {
pp = p0.getControlPoint(1);
} else if ((p1.getMask() & BezierPath.C2_MASK) != 0) {
pp = p1.getControlPoint(2);
} else {
pp = p1.getControlPoint(0);
}
double radius = get(END_DECORATION).getDecorationRadius(this);
double lineLength = Geom.length(p0.getControlPoint(0), pp);
cappedPath.set(
cappedPath.size() - 1,
0,
Geom.cap(pp, p0.getControlPoint(0), -Math.min(radius, lineLength)));
}
cappedPath.invalidatePath();
}
}
}
return cappedPath;
}
protected void readPoints(DOMInput in) throws IOException {
path.clear();
in.openElement("points");
setClosed(in.getAttribute("closed", false));
for (int i = 0, n = in.getElementCount("p"); i < n; i++) {
in.openElement("p", i);
BezierPath.Node node =
new BezierPath.Node(
in.getAttribute("mask", 0),
in.getAttribute("x", 0d),
in.getAttribute("y", 0d),
in.getAttribute("c1x", in.getAttribute("x", 0d)),
in.getAttribute("c1y", in.getAttribute("y", 0d)),
in.getAttribute("c2x", in.getAttribute("x", 0d)),
in.getAttribute("c2y", in.getAttribute("y", 0d)));
node.keepColinear = in.getAttribute("colinear", true);
path.add(node);
path.invalidatePath();
in.closeElement();
}
in.closeElement();
}
@Override
public void invalidate() {
super.invalidate();
path.invalidatePath();
cappedPath = null;
}
@Override
protected void validate() {
super.validate();
path.invalidatePath();
cappedPath = null;
}