Here you can find the source of dividable(final String charBitmap, final int row)
private static boolean dividable(final String charBitmap, final int row)
//package com.java2s; //License from project: Apache License public class Main { private static boolean dividable(final String charBitmap, final int row) { return (charBitmap.length() % row) == 0; }/*from w ww . j av a 2 s . c o m*/ }