// this is a bit of a hack. It returns -1 if we're not on a leaf, and
// the length of the leaf if we are on a leaf.
private float onLeaf() {
float[] curve = recCurveStack[recLevel];
float polyLen = 0;
float x0 = curve[0], y0 = curve[1];
for (int i = 2; i < curveType; i += 2) {
final float x1 = curve[i], y1 = curve[i + 1];
final float len = Helpers.linelen(x0, y0, x1, y1);
polyLen += len;
curLeafCtrlPolyLengths[i / 2 - 1] = len;
x0 = x1;
y0 = y1;
}
final float lineLen =
Helpers.linelen(curve[0], curve[1], curve[curveType - 2], curve[curveType - 1]);
if (polyLen - lineLen < ERR || recLevel == limit) {
return (polyLen + lineLen) / 2;
}
return -1;
}
