private BxBounds parseElementContainingVertexes(Element el) {
ArrayList<Element> vs = getChildren("Vertex", el);
if (vs.isEmpty()) {
return null;
}
ArrayList<ComparablePair<Integer, Integer>> list =
new ArrayList<ComparablePair<Integer, Integer>>();
int minx = Integer.MAX_VALUE;
int maxx = Integer.MIN_VALUE;
int miny = Integer.MAX_VALUE;
int maxy = Integer.MIN_VALUE;
for (Element v : vs) {
int x = Integer.parseInt(v.getAttribute("x"));
if (x < minx) minx = x;
if (x > maxx) maxx = x;
int y = Integer.parseInt(v.getAttribute("y"));
if (y < miny) miny = y;
if (y > maxy) maxy = y;
list.add(new ComparablePair<Integer, Integer>(x, y));
}
Collections.sort(list);
ComparablePair<Integer, Integer> mine = list.get(0);
ComparablePair<Integer, Integer> maxe = list.get(list.size() - 1);
BxBounds ret = new BxBounds(minx, miny, maxx - minx, maxy - miny);
if (ret.getHeight() == 0 || ret.getWidth() == 0) {
log.warn("problems with height or width points are:");
for (ComparablePair<Integer, Integer> pa : list) {
log.warn("\t" + pa.o1 + " , " + pa.o2);
}
}
return ret;
}
private BxPage parsePageNode(Element elem) {
BxPage page = new BxPage();
double minX = 0, minY = 0, maxX = 0, maxY = 0;
boolean started = false;
List<Element> e = getChildren("Zone", elem);
for (Element zo : e) {
BxZone zon = parseZoneNode(zo);
page.addZone(zon);
BxBounds zoneBounds = zon.getBounds();
if (!started) {
minX = zoneBounds.getX();
minY = zoneBounds.getY();
maxX = zoneBounds.getX() + zoneBounds.getWidth();
maxY = zoneBounds.getY() + zoneBounds.getHeight();
started = true;
}
if (zoneBounds.getX() < minX) {
minX = zoneBounds.getX();
}
if (zoneBounds.getX() + zoneBounds.getWidth() > maxX) {
maxX = zoneBounds.getX() + zoneBounds.getWidth();
}
if (zoneBounds.getY() < minY) {
minY = zoneBounds.getY();
}
if (zoneBounds.getY() + zoneBounds.getHeight() > maxY) {
maxY = zoneBounds.getY() + zoneBounds.getHeight();
}
}
Collections.sort(
page.getZones(),
new Comparator() {
@Override
public int compare(Object t, Object t1) {
BxZone z1 = (BxZone) t;
BxZone z2 = (BxZone) t1;
int ret = Double.compare(z1.getBounds().getY(), z2.getBounds().getY());
if (ret == 0) {
ret = Double.compare(z1.getBounds().getX(), z2.getBounds().getX());
}
return ret;
}
});
return page.setBounds(new BxBounds(minX, minY, maxX - minX, maxY - minY));
}
private double getFontIndex(BxLine line) {
List<String> fonts =
Lists.newArrayList(line.getParent().getParent().getParent().getFontNames());
Collections.sort(fonts);
return fonts.indexOf(line.getMostPopularFontName());
}