// Returns a point whose x and y fields represent the required pages wide
// and tall, respectively
private Point estimatePagesRequired(int width, int height) {
if (width <= 0 || height <= 0) return new Point(0, 0);
Point pref = target.preferredSize();
Point prefPages = new Point(pref.x / width, pref.y / height);
Point min = target.minimumSize();
// Adding width-1 rounds up page count w/out floating point op
// Same goes for adding height-1
Point minPages =
new Point(
Math.max((min.x + width - 1) / width, 1), Math.max((min.y + height - 1) / height, 1));
return new Point(Math.max(prefPages.x, minPages.x), Math.max(prefPages.y, minPages.y));
}
public Point preferredSize() {
return target.preferredSize();
}
public boolean hasNext() {
return currentPiece != null || target.hasNext();
}
public Point minimumSize() {
return target.minimumSize();
}
