Iterable<VisualFragment> getFragmentsInVisualOrder(
final float startX, final int startVisualColumn, final int startOffset, int endOffset) {
assert startOffset <= endOffset;
final BidiRun[] runs;
int startLogicalColumn = 0;
if (startOffset == endOffset) {
runs = new BidiRun[0];
} else {
List<BidiRun> runList = new ArrayList<BidiRun>();
for (BidiRun run : myBidiRunsInLogicalOrder) {
if (run.startOffset < startOffset) {
startLogicalColumn =
run.getLogicalColumn(startLogicalColumn, Math.min(startOffset, run.endOffset));
}
if (run.endOffset <= startOffset) continue;
if (run.startOffset >= endOffset) break;
runList.add(run.subRun(startOffset, endOffset));
}
runs = runList.toArray(new BidiRun[runList.size()]);
reorderRunsVisually(runs);
}
final int finalStartLogicalColumn = startLogicalColumn;
return new Iterable<VisualFragment>() {
@Override
public Iterator<VisualFragment> iterator() {
return new VisualOrderIterator(
startX, startVisualColumn, finalStartLogicalColumn, startOffset, runs);
}
};
}
private LineLayout(@NotNull List<BidiRun> runs, boolean calculateWidth) {
myBidiRunsInLogicalOrder = runs.toArray(new BidiRun[runs.size()]);
myBidiRunsInVisualOrder = myBidiRunsInLogicalOrder.clone();
reorderRunsVisually(myBidiRunsInVisualOrder);
myWidth = calculateWidth ? calculateWidth() : -1;
}
