docs: private void read(int bit , int row , int col ) {
  		int value = gridReader.readBit(row,col);
  		if( value == -1 ) {
  			// The requested region is outside the image. A partial QR code can be read so let's just
  			// assign it a value of zero and let error correction handle this
  			value = 0;
  		}
  		bits.set(bit,value);
  	}