private void setOutput() {
if (points == null) return;
// if init points have no labels, all the points and segments
// of the polygon don't get labels either: in this case we only
// have the polygon itself as output object
if (!labelPointsAndSegments) {
output = new GeoElement[1];
output[0] = poly;
}
// otherwise: points and segments are also output objects
else {
// size = poly + points + segments
GeoSegmentND[] segments = poly.getSegments();
GeoPoint[] points = poly.getPoints();
int size = 1 + segments.length + points.length;
output = new GeoElement[size];
int k = 0;
output[k] = poly;
for (int i = 0; i < segments.length; i++) {
output[++k] = (GeoElement) segments[i];
}
for (int i = 0; i < points.length; i++) {
output[++k] = points[i];
}
}
}
private void updateSegmentsAndPointsLabels(int oldPointNumber) {
if (labelsNeedIniting) return;
// set labels only when points have labels
/*
labelPointsAndSegments = labelPointsAndSegments || A.isLabelSet() || B.isLabelSet();
boolean pointsSegmentsShowLabel = labelPointsAndSegments &&
(A.isEuclidianVisible() && A.isLabelVisible() ||
B.isEuclidianVisible() && B.isLabelVisible());
*/
boolean pointsSegmentsShowLabel = true;
// set labels for points only if the original points had labels
if (labelPointsAndSegments) {
for (int i = 0; i < points.length; i++) {
if (!points[i].isLabelSet()) {
points[i].setLabel(null);
points[i].setLabelVisible(pointsSegmentsShowLabel);
}
}
}
// update all segments and set labels for new segments
GeoSegmentND[] segments = poly.getSegments();
for (int i = 0; i < segments.length; i++) {
GeoElement seg = (GeoElement) segments[i];
if (labelPointsAndSegments) {
if (!seg.isLabelSet()) {
seg.setLabel(null);
seg.setAuxiliaryObject(true);
seg.setLabelVisible(pointsSegmentsShowLabel);
} else {
pointsSegmentsShowLabel = pointsSegmentsShowLabel || seg.isLabelVisible();
}
}
seg.getParentAlgorithm().update();
}
}