private boolean isFirstInZone(BxLine line) {
return !line.hasPrev() || line.getParent() != line.getPrev().getParent();
}
private double getFontIndex(BxLine line) {
List<String> fonts =
Lists.newArrayList(line.getParent().getParent().getParent().getFontNames());
Collections.sort(fonts);
return fonts.indexOf(line.getMostPopularFontName());
}