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

Issue 1172793002: Merge to XFA: Use stdint.h types throughout PDFium. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: Created 5 years, 6 months ago
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1 // Copyright 2014 PDFium Authors. All rights reserved. 1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 // Original code is licensed as follows: 6 // Original code is licensed as follows:
7 /* 7 /*
8 * Copyright 2008 ZXing authors 8 * Copyright 2008 ZXing authors
9 * 9 *
10 * Licensed under the Apache License, Version 2.0 (the "License"); 10 * Licensed under the Apache License, Version 2.0 (the "License");
11 * you may not use this file except in compliance with 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 12 * You may obtain a copy of the License at
13 * 13 *
14 * http://www.apache.org/licenses/LICENSE-2.0 14 * http://www.apache.org/licenses/LICENSE-2.0
15 * 15 *
16 * Unless required by applicable law or agreed to in writing, software 16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS, 17 * distributed under the License is distributed on an "AS IS" BASIS,
18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and 19 * See the License for the specific language governing permissions and
20 * limitations under the License. 20 * limitations under the License.
21 */ 21 */
22 22
23 #include "../barcode.h" 23 #include "../barcode.h"
24 #include "../BC_Reader.h" 24 #include "../BC_Reader.h"
25 #include "../common/BC_CommonBitArray.h" 25 #include "../common/BC_CommonBitArray.h"
26 #include "../oned/BC_OneDReader.h" 26 #include "../oned/BC_OneDReader.h"
27 #include "../oned/BC_OnedCode39Reader.h" 27 #include "../oned/BC_OnedCode39Reader.h"
28 #include "../oned/BC_OnedCodaBarReader.h" 28 #include "../oned/BC_OnedCodaBarReader.h"
29 FX_LPCSTR CBC_OnedCodaBarReader::ALPHABET_STRING = "0123456789-$:/.+ABCDTN"; 29 FX_LPCSTR CBC_OnedCodaBarReader::ALPHABET_STRING = "0123456789-$:/.+ABCDTN";
30 const FX_INT32 CBC_OnedCodaBarReader::CHARACTER_ENCODINGS[22] = { 30 const int32_t CBC_OnedCodaBarReader::CHARACTER_ENCODINGS[22] = {
31 0x003, 0x006, 0x009, 0x060, 0x012, 0x042, 0x021, 0x024, 0x030, 0x048, 31 0x003, 0x006, 0x009, 0x060, 0x012, 0x042, 0x021, 0x024, 0x030, 0x048,
32 0x00c, 0x018, 0x045, 0x051, 0x054, 0x015, 0x01A, 0x029, 0x00B, 0x00E, 32 0x00c, 0x018, 0x045, 0x051, 0x054, 0x015, 0x01A, 0x029, 0x00B, 0x00E,
33 0x01A, 0x029 33 0x01A, 0x029
34 }; 34 };
35 const FX_INT32 CBC_OnedCodaBarReader::minCharacterLength = 3; 35 const int32_t CBC_OnedCodaBarReader::minCharacterLength = 3;
36 const FX_CHAR CBC_OnedCodaBarReader::STARTEND_ENCODING[8] = {'E', '*', 'A', 'B', 'C', 'D', 'T', 'N'}; 36 const FX_CHAR CBC_OnedCodaBarReader::STARTEND_ENCODING[8] = {'E', '*', 'A', 'B', 'C', 'D', 'T', 'N'};
37 CBC_OnedCodaBarReader::CBC_OnedCodaBarReader() 37 CBC_OnedCodaBarReader::CBC_OnedCodaBarReader()
38 { 38 {
39 } 39 }
40 CBC_OnedCodaBarReader::~CBC_OnedCodaBarReader() 40 CBC_OnedCodaBarReader::~CBC_OnedCodaBarReader()
41 { 41 {
42 } 42 }
43 CFX_ByteString CBC_OnedCodaBarReader::DecodeRow(FX_INT32 rowNumber, CBC_CommonBi tArray *row, FX_INT32 hints, FX_INT32 &e) 43 CFX_ByteString CBC_OnedCodaBarReader::DecodeRow(int32_t rowNumber, CBC_CommonBit Array *row, int32_t hints, int32_t &e)
44 { 44 {
45 CFX_Int32Array *int32Ptr = FindAsteriskPattern(row, e); 45 CFX_Int32Array *int32Ptr = FindAsteriskPattern(row, e);
46 BC_EXCEPTION_CHECK_ReturnValue(e, ""); 46 BC_EXCEPTION_CHECK_ReturnValue(e, "");
47 CBC_AutoPtr<CFX_Int32Array> start(int32Ptr); 47 CBC_AutoPtr<CFX_Int32Array> start(int32Ptr);
48 (*start)[1] = 0; 48 (*start)[1] = 0;
49 FX_INT32 nextStart = (*start)[1]; 49 int32_t nextStart = (*start)[1];
50 FX_INT32 end = row->GetSize(); 50 int32_t end = row->GetSize();
51 while (nextStart < end && !row->Get(nextStart)) { 51 while (nextStart < end && !row->Get(nextStart)) {
52 nextStart++; 52 nextStart++;
53 } 53 }
54 CFX_ByteString result; 54 CFX_ByteString result;
55 CFX_Int32Array counters; 55 CFX_Int32Array counters;
56 counters.SetSize(7); 56 counters.SetSize(7);
57 FX_CHAR decodedChar; 57 FX_CHAR decodedChar;
58 FX_INT32 lastStart; 58 int32_t lastStart;
59 do { 59 do {
60 RecordPattern(row, nextStart, &counters, e); 60 RecordPattern(row, nextStart, &counters, e);
61 BC_EXCEPTION_CHECK_ReturnValue(e, ""); 61 BC_EXCEPTION_CHECK_ReturnValue(e, "");
62 decodedChar = ToNarrowWidePattern(&counters); 62 decodedChar = ToNarrowWidePattern(&counters);
63 if (decodedChar == '!') { 63 if (decodedChar == '!') {
64 e = BCExceptionNotFound; 64 e = BCExceptionNotFound;
65 return ""; 65 return "";
66 } 66 }
67 result += decodedChar; 67 result += decodedChar;
68 lastStart = nextStart; 68 lastStart = nextStart;
69 for (FX_INT32 i = 0; i < counters.GetSize(); i++) { 69 for (int32_t i = 0; i < counters.GetSize(); i++) {
70 nextStart += counters[i]; 70 nextStart += counters[i];
71 } 71 }
72 while (nextStart < end && !row->Get(nextStart)) { 72 while (nextStart < end && !row->Get(nextStart)) {
73 nextStart++; 73 nextStart++;
74 } 74 }
75 } while (nextStart < end); 75 } while (nextStart < end);
76 FX_INT32 lastPatternSize = 0; 76 int32_t lastPatternSize = 0;
77 for (FX_INT32 j = 0; j < counters.GetSize(); j++) { 77 for (int32_t j = 0; j < counters.GetSize(); j++) {
78 lastPatternSize += counters[j]; 78 lastPatternSize += counters[j];
79 } 79 }
80 FX_INT32 whiteSpaceAfterEnd = nextStart - lastStart - lastPatternSize; 80 int32_t whiteSpaceAfterEnd = nextStart - lastStart - lastPatternSize;
81 if (nextStart != end && (whiteSpaceAfterEnd / 2 < lastPatternSize)) { 81 if (nextStart != end && (whiteSpaceAfterEnd / 2 < lastPatternSize)) {
82 e = BCExceptionNotFound; 82 e = BCExceptionNotFound;
83 return ""; 83 return "";
84 } 84 }
85 if (result.GetLength() < 2) { 85 if (result.GetLength() < 2) {
86 e = BCExceptionNotFound; 86 e = BCExceptionNotFound;
87 return ""; 87 return "";
88 } 88 }
89 FX_CHAR startchar = result[0]; 89 FX_CHAR startchar = result[0];
90 if (!ArrayContains(STARTEND_ENCODING, startchar)) { 90 if (!ArrayContains(STARTEND_ENCODING, startchar)) {
91 e = BCExceptionNotFound; 91 e = BCExceptionNotFound;
92 return ""; 92 return "";
93 } 93 }
94 FX_INT32 len = result.GetLength(); 94 int32_t len = result.GetLength();
95 CFX_ByteString temp = result; 95 CFX_ByteString temp = result;
96 for (FX_INT32 k = 1; k < result.GetLength(); k++) { 96 for (int32_t k = 1; k < result.GetLength(); k++) {
97 if (ArrayContains(STARTEND_ENCODING, result[k])) { 97 if (ArrayContains(STARTEND_ENCODING, result[k])) {
98 if ((k + 1) != result.GetLength()) { 98 if ((k + 1) != result.GetLength()) {
99 result.Delete(1, k); 99 result.Delete(1, k);
100 k = 1; 100 k = 1;
101 } 101 }
102 } 102 }
103 } 103 }
104 if (result.GetLength() < 5) { 104 if (result.GetLength() < 5) {
105 FX_INT32 index = temp.Find(result.Mid(1, result.GetLength() - 1)); 105 int32_t index = temp.Find(result.Mid(1, result.GetLength() - 1));
106 if (index == len - (result.GetLength() - 1)) { 106 if (index == len - (result.GetLength() - 1)) {
107 e = BCExceptionNotFound; 107 e = BCExceptionNotFound;
108 return ""; 108 return "";
109 } 109 }
110 } 110 }
111 if (result.GetLength() > minCharacterLength) { 111 if (result.GetLength() > minCharacterLength) {
112 result = result.Mid(1, result.GetLength() - 2); 112 result = result.Mid(1, result.GetLength() - 2);
113 } else { 113 } else {
114 e = BCExceptionNotFound; 114 e = BCExceptionNotFound;
115 return ""; 115 return "";
116 } 116 }
117 return result; 117 return result;
118 } 118 }
119 CFX_Int32Array *CBC_OnedCodaBarReader::FindAsteriskPattern(CBC_CommonBitArray *r ow, FX_INT32 &e) 119 CFX_Int32Array *CBC_OnedCodaBarReader::FindAsteriskPattern(CBC_CommonBitArray *r ow, int32_t &e)
120 { 120 {
121 FX_INT32 width = row->GetSize(); 121 int32_t width = row->GetSize();
122 FX_INT32 rowOffset = 0; 122 int32_t rowOffset = 0;
123 while (rowOffset < width) { 123 while (rowOffset < width) {
124 if (row->Get(rowOffset)) { 124 if (row->Get(rowOffset)) {
125 break; 125 break;
126 } 126 }
127 rowOffset++; 127 rowOffset++;
128 } 128 }
129 FX_INT32 counterPosition = 0; 129 int32_t counterPosition = 0;
130 CFX_Int32Array counters; 130 CFX_Int32Array counters;
131 counters.SetSize(7); 131 counters.SetSize(7);
132 FX_INT32 patternStart = rowOffset; 132 int32_t patternStart = rowOffset;
133 FX_BOOL isWhite = FALSE; 133 FX_BOOL isWhite = FALSE;
134 FX_INT32 patternLength = counters.GetSize(); 134 int32_t patternLength = counters.GetSize();
135 for (FX_INT32 i = rowOffset; i < width; i++) { 135 for (int32_t i = rowOffset; i < width; i++) {
136 FX_BOOL pixel = row->Get(i); 136 FX_BOOL pixel = row->Get(i);
137 if (pixel ^ isWhite) { 137 if (pixel ^ isWhite) {
138 counters[counterPosition]++; 138 counters[counterPosition]++;
139 } else { 139 } else {
140 if (counterPosition == patternLength - 1) { 140 if (counterPosition == patternLength - 1) {
141 if (ArrayContains(STARTEND_ENCODING, ToNarrowWidePattern(&counte rs))) { 141 if (ArrayContains(STARTEND_ENCODING, ToNarrowWidePattern(&counte rs))) {
142 FX_BOOL btemp3 = row->IsRange(FX_MAX(0, patternStart - (i - patternStart) / 2), patternStart, FALSE, e); 142 FX_BOOL btemp3 = row->IsRange(FX_MAX(0, patternStart - (i - patternStart) / 2), patternStart, FALSE, e);
143 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); 143 BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
144 if (btemp3) { 144 if (btemp3) {
145 CFX_Int32Array *result = FX_NEW CFX_Int32Array(); 145 CFX_Int32Array *result = FX_NEW CFX_Int32Array();
146 result->SetSize(2); 146 result->SetSize(2);
147 (*result)[0] = patternStart; 147 (*result)[0] = patternStart;
148 (*result)[1] = i; 148 (*result)[1] = i;
149 return result; 149 return result;
150 } 150 }
151 } 151 }
152 patternStart += counters[0] + counters[1]; 152 patternStart += counters[0] + counters[1];
153 for (FX_INT32 y = 2; y < patternLength; y++) { 153 for (int32_t y = 2; y < patternLength; y++) {
154 counters[y - 2] = counters[y]; 154 counters[y - 2] = counters[y];
155 } 155 }
156 counters[patternLength - 2] = 0; 156 counters[patternLength - 2] = 0;
157 counters[patternLength - 1] = 0; 157 counters[patternLength - 1] = 0;
158 counterPosition--; 158 counterPosition--;
159 } else { 159 } else {
160 counterPosition++; 160 counterPosition++;
161 } 161 }
162 counters[counterPosition] = 1; 162 counters[counterPosition] = 1;
163 isWhite = !isWhite; 163 isWhite = !isWhite;
164 } 164 }
165 } 165 }
166 e = BCExceptionNotFound; 166 e = BCExceptionNotFound;
167 return NULL; 167 return NULL;
168 } 168 }
169 FX_BOOL CBC_OnedCodaBarReader::ArrayContains(const FX_CHAR array[], FX_CHAR key) 169 FX_BOOL CBC_OnedCodaBarReader::ArrayContains(const FX_CHAR array[], FX_CHAR key)
170 { 170 {
171 for(FX_INT32 i = 0; i < 8; i++) { 171 for(int32_t i = 0; i < 8; i++) {
172 if(array[i] == key) { 172 if(array[i] == key) {
173 return TRUE; 173 return TRUE;
174 } 174 }
175 } 175 }
176 return FALSE; 176 return FALSE;
177 } 177 }
178 FX_CHAR CBC_OnedCodaBarReader::ToNarrowWidePattern(CFX_Int32Array *counter) 178 FX_CHAR CBC_OnedCodaBarReader::ToNarrowWidePattern(CFX_Int32Array *counter)
179 { 179 {
180 FX_INT32 numCounters = counter->GetSize(); 180 int32_t numCounters = counter->GetSize();
181 if (numCounters < 1) { 181 if (numCounters < 1) {
182 return '!'; 182 return '!';
183 } 183 }
184 FX_INT32 averageCounter = 0; 184 int32_t averageCounter = 0;
185 FX_INT32 totalCounters = 0; 185 int32_t totalCounters = 0;
186 for (FX_INT32 i = 0; i < numCounters; i++) { 186 for (int32_t i = 0; i < numCounters; i++) {
187 totalCounters += (*counter)[i]; 187 totalCounters += (*counter)[i];
188 } 188 }
189 averageCounter = totalCounters / numCounters; 189 averageCounter = totalCounters / numCounters;
190 FX_INT32 pattern = 0; 190 int32_t pattern = 0;
191 FX_INT32 wideCounters = 0; 191 int32_t wideCounters = 0;
192 for (FX_INT32 j = 0; j < numCounters; j++) { 192 for (int32_t j = 0; j < numCounters; j++) {
193 if ((*counter)[j] > averageCounter) { 193 if ((*counter)[j] > averageCounter) {
194 pattern |= 1 << (numCounters - 1 - j); 194 pattern |= 1 << (numCounters - 1 - j);
195 wideCounters++; 195 wideCounters++;
196 } 196 }
197 } 197 }
198 if ((wideCounters == 2) || (wideCounters == 3)) { 198 if ((wideCounters == 2) || (wideCounters == 3)) {
199 for (FX_INT32 k = 0; k < 22; k++) { 199 for (int32_t k = 0; k < 22; k++) {
200 if (CHARACTER_ENCODINGS[k] == pattern) { 200 if (CHARACTER_ENCODINGS[k] == pattern) {
201 return (ALPHABET_STRING)[k]; 201 return (ALPHABET_STRING)[k];
202 } 202 }
203 } 203 }
204 } 204 }
205 return '!'; 205 return '!';
206 } 206 }
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