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Side by Side Diff: xfa/src/fxbarcode/oned/BC_OnedEAN8Reader.cpp

Issue 1803723002: Move xfa/src up to xfa/. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Rebase to master Created 4 years, 9 months ago
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1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 // Original code is licensed as follows:
7 /*
8 * Copyright 2008 ZXing authors
9 *
10 * Licensed under the Apache License, Version 2.0 (the "License");
11 * you may not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS,
18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and
20 * limitations under the License.
21 */
22
23 #include "xfa/src/fxbarcode/BC_Reader.h"
24 #include "xfa/src/fxbarcode/common/BC_CommonBitArray.h"
25 #include "xfa/src/fxbarcode/oned/BC_OneDReader.h"
26 #include "xfa/src/fxbarcode/oned/BC_OneDimReader.h"
27 #include "xfa/src/fxbarcode/oned/BC_OnedEAN8Reader.h"
28 #include "xfa/src/fxbarcode/utils.h"
29
30 CBC_OnedEAN8Reader::CBC_OnedEAN8Reader() {}
31 CBC_OnedEAN8Reader::~CBC_OnedEAN8Reader() {}
32 int32_t CBC_OnedEAN8Reader::DecodeMiddle(CBC_CommonBitArray* row,
33 CFX_Int32Array* startRange,
34 CFX_ByteString& resultResult,
35 int32_t& e) {
36 CFX_Int32Array counters;
37 counters.Add(0);
38 counters.Add(0);
39 counters.Add(0);
40 counters.Add(0);
41 int32_t end = row->GetSize();
42 int32_t rowOffset = (*startRange)[1];
43 int32_t rowOffsetLeft = rowOffset;
44 for (int32_t x = 0; x < 4 && rowOffset < end; x++) {
45 int32_t bestMatch =
46 DecodeDigit(row, &counters, rowOffset,
47 &(CBC_OneDimReader::L_PATTERNS[0][0]), 10, e);
48 BC_EXCEPTION_CHECK_ReturnValue(e, 0);
49 resultResult += (FX_CHAR)('0' + bestMatch);
50 for (int32_t i = 0; i < counters.GetSize(); i++) {
51 rowOffset += counters[i];
52 }
53 }
54 int32_t RowOffsetLen = (rowOffset - rowOffsetLeft) / 4;
55 CFX_Int32Array result;
56 result.Add(CBC_OneDimReader::MIDDLE_PATTERN[0]);
57 result.Add(CBC_OneDimReader::MIDDLE_PATTERN[1]);
58 result.Add(CBC_OneDimReader::MIDDLE_PATTERN[2]);
59 result.Add(CBC_OneDimReader::MIDDLE_PATTERN[3]);
60 result.Add(CBC_OneDimReader::MIDDLE_PATTERN[4]);
61 CFX_Int32Array* middleRange =
62 FindGuardPattern(row, rowOffset, TRUE, &result, e);
63 BC_EXCEPTION_CHECK_ReturnValue(e, 0);
64 int32_t rowOffsetMid = rowOffset;
65 rowOffset = (*middleRange)[1];
66 if ((rowOffset - rowOffsetMid) > RowOffsetLen) {
67 e = BCExceptionNotFound;
68 BC_EXCEPTION_CHECK_ReturnValue(e, 0);
69 }
70 delete middleRange;
71 for (int32_t y = 0; y < 4 && rowOffset < end; y++) {
72 int32_t bestMatch =
73 DecodeDigit(row, &counters, rowOffset,
74 &(CBC_OneDimReader::L_PATTERNS[0][0]), 10, e);
75 BC_EXCEPTION_CHECK_ReturnValue(e, 0);
76 resultResult += (FX_CHAR)('0' + bestMatch);
77 for (int32_t i = 0; i < counters.GetSize(); i++) {
78 rowOffset += counters[i];
79 }
80 }
81 return rowOffset;
82 }
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