boolean isInvalid(StringBlock block, float gap) {
if (isHead() || isTail()) return false;
if (x0 == Integer.MIN_VALUE || y0 == Integer.MIN_VALUE) {
return true;
}
Rectangle bound = block.getTextBox();
if (bound == null) {
return false;
}
return x0 > 0 && bound.x + bound.width - gap < getX1();
}
private Rectangle getBound(StringBlock block) {
if (block.getTextBox() != null) {
return block.getTextBox();
}
return UNBOUNDED;
}