core/src/in/srain/cube/image/ImageReuseInfoManger.java
public ImageReuseInfo create(String thisSize) {
        ArrayList<String> list = new ArrayList<String>();
        boolean canBeReused = false;
        for (int i = 0; i < mSizeList.length; i++) {
            String size = mSizeList[i];

            if (!canBeReused && thisSize.equals(size)) {
                canBeReused = true;
                continue;
            }
            if (canBeReused && !thisSize.equals(size)) {
                list.add(size);
            }
        }
        if (list.size() == 0) {
            return new ImageReuseInfo(thisSize, null);
        } else {
            String[] sizeList = new String[list.size()];
            list.toArray(sizeList);
            return new ImageReuseInfo(thisSize, sizeList);
        }
    }
public ImageReuseInfo create(String thisSize) {
        ArrayList<String> list = new ArrayList<String>();
        boolean canBeReused = false;
        for (int i = 0; i < mSizeList.length; i++) {
            String size = mSizeList[i];

            if (!canBeReused && thisSize.equals(size)) {
                canBeReused = true;
                continue;
            }
            if (canBeReused && !thisSize.equals(size)) {
                list.add(size);
            }
        }
        if (list.size() == 0) {
            return new ImageReuseInfo(thisSize, null);
        } else {
            String[] sizeList = new String[list.size()];
            list.toArray(sizeList);
            return new ImageReuseInfo(thisSize, sizeList);
        }
    }
Find out the size list can be re-sued.

@param thisSize if "small_180" is input
@return {"big_360", "big_720"} will be returned.