public Rect expandIn(int w, int h, int maxW, int maxH) {
Rect r = expand(w, h);
if (r.getX() < 0) {
r.setWidth(r.getWidth() + r.getX());
r.setX(0);
}
if (r.getY() < 0) {
r.setHeight(r.getHeight() + r.getY());
r.setX(y);
}
if (r.getRightPos() > maxW) {
r.setWidth(maxW - r.getX());
}
if (r.getBottomPos() > maxH) {
r.setHeight(maxH - r.getY());
}
return r;
}
public boolean contains(Rect r) {
return contains(r.x, r.y) && contains(r.x + r.getWidth(), r.y + r.getHeight());
}