2 * Copyright 2008 ZXing authors
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.google.zxing.oned;
19 import com.google.zxing.ReaderException;
20 import com.google.zxing.Result;
21 import com.google.zxing.common.BitArray;
24 * <p>This interfaces captures additional functionality that readers of
25 * UPC/EAN family of barcodes should expose.</p>
29 public interface UPCEANReader extends OneDReader {
32 * <p>Like {@link #decodeRow(int, BitArray, java.util.Hashtable)}, but
33 * allows caller to inform method about where the UPC/EAN start pattern is
34 * found. This allows this to be computed once and reused across many implementations.</p>
36 Result decodeRow(int rowNumber, BitArray row, int[] startGuardRange) throws ReaderException;