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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 2010 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/BC_Writer.h" | |
| 25 #include "xfa/src/fxbarcode/oned/BC_OneDReader.h" | |
| 26 #include "xfa/src/fxbarcode/oned/BC_OneDimWriter.h" | |
| 27 #include "xfa/src/fxbarcode/oned/BC_OnedCode128Reader.h" | |
| 28 #include "xfa/src/fxbarcode/oned/BC_OnedCode128Writer.h" | |
| 29 | |
| 30 const int32_t CBC_OnedCode128Writer::CODE_CODE_B = 100; | |
| 31 const int32_t CBC_OnedCode128Writer::CODE_CODE_C = 99; | |
| 32 const int32_t CBC_OnedCode128Writer::CODE_START_B = 104; | |
| 33 const int32_t CBC_OnedCode128Writer::CODE_START_C = 105; | |
| 34 const int32_t CBC_OnedCode128Writer::CODE_STOP = 106; | |
| 35 | |
| 36 CBC_OnedCode128Writer::CBC_OnedCode128Writer() { | |
| 37 m_codeFormat = BC_CODE128_B; | |
| 38 } | |
| 39 CBC_OnedCode128Writer::CBC_OnedCode128Writer(BC_TYPE type) { | |
| 40 m_codeFormat = type; | |
| 41 } | |
| 42 CBC_OnedCode128Writer::~CBC_OnedCode128Writer() {} | |
| 43 BC_TYPE CBC_OnedCode128Writer::GetType() { | |
| 44 return m_codeFormat; | |
| 45 } | |
| 46 FX_BOOL CBC_OnedCode128Writer::CheckContentValidity( | |
| 47 const CFX_WideStringC& contents) { | |
| 48 FX_BOOL ret = TRUE; | |
| 49 int32_t position = 0; | |
| 50 int32_t patternIndex = -1; | |
| 51 if (m_codeFormat == BC_CODE128_B || m_codeFormat == BC_CODE128_C) { | |
| 52 while (position < contents.GetLength()) { | |
| 53 patternIndex = (int32_t)contents.GetAt(position); | |
| 54 if (patternIndex >= 32 && patternIndex <= 126 && patternIndex != 34) { | |
| 55 position++; | |
| 56 continue; | |
| 57 } else { | |
| 58 ret = FALSE; | |
| 59 break; | |
| 60 } | |
| 61 position++; | |
| 62 } | |
| 63 } else { | |
| 64 ret = FALSE; | |
| 65 } | |
| 66 return ret; | |
| 67 } | |
| 68 CFX_WideString CBC_OnedCode128Writer::FilterContents( | |
| 69 const CFX_WideStringC& contents) { | |
| 70 CFX_WideString filterChineseChar; | |
| 71 FX_WCHAR ch; | |
| 72 for (int32_t i = 0; i < contents.GetLength(); i++) { | |
| 73 ch = contents.GetAt(i); | |
| 74 if (ch > 175) { | |
| 75 i++; | |
| 76 continue; | |
| 77 } | |
| 78 filterChineseChar += ch; | |
| 79 } | |
| 80 CFX_WideString filtercontents; | |
| 81 if (m_codeFormat == BC_CODE128_B) { | |
| 82 for (int32_t i = 0; i < filterChineseChar.GetLength(); i++) { | |
| 83 ch = filterChineseChar.GetAt(i); | |
| 84 if (ch >= 32 && ch <= 126) { | |
| 85 filtercontents += ch; | |
| 86 } else { | |
| 87 continue; | |
| 88 } | |
| 89 } | |
| 90 } else if (m_codeFormat == BC_CODE128_C) { | |
| 91 for (int32_t i = 0; i < filterChineseChar.GetLength(); i++) { | |
| 92 ch = filterChineseChar.GetAt(i); | |
| 93 if (ch >= 32 && ch <= 106) { | |
| 94 filtercontents += ch; | |
| 95 } else { | |
| 96 continue; | |
| 97 } | |
| 98 } | |
| 99 } else { | |
| 100 filtercontents = contents; | |
| 101 } | |
| 102 return filtercontents; | |
| 103 } | |
| 104 FX_BOOL CBC_OnedCode128Writer::SetTextLocation(BC_TEXT_LOC location) { | |
| 105 if (location < BC_TEXT_LOC_NONE || location > BC_TEXT_LOC_BELOWEMBED) { | |
| 106 return FALSE; | |
| 107 } | |
| 108 m_locTextLoc = location; | |
| 109 return TRUE; | |
| 110 } | |
| 111 uint8_t* CBC_OnedCode128Writer::Encode(const CFX_ByteString& contents, | |
| 112 BCFORMAT format, | |
| 113 int32_t& outWidth, | |
| 114 int32_t& outHeight, | |
| 115 int32_t hints, | |
| 116 int32_t& e) { | |
| 117 if (format != BCFORMAT_CODE_128) { | |
| 118 e = BCExceptionOnlyEncodeCODE_128; | |
| 119 return NULL; | |
| 120 } | |
| 121 uint8_t* ret = | |
| 122 CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e); | |
| 123 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | |
| 124 return ret; | |
| 125 } | |
| 126 uint8_t* CBC_OnedCode128Writer::Encode(const CFX_ByteString& contents, | |
| 127 BCFORMAT format, | |
| 128 int32_t& outWidth, | |
| 129 int32_t& outHeight, | |
| 130 int32_t& e) { | |
| 131 uint8_t* ret = Encode(contents, format, outWidth, outHeight, 0, e); | |
| 132 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | |
| 133 return ret; | |
| 134 } | |
| 135 FX_BOOL CBC_OnedCode128Writer::IsDigits(const CFX_ByteString& contents, | |
| 136 int32_t start, | |
| 137 int32_t length) { | |
| 138 int32_t end = start + length; | |
| 139 for (int32_t i = start; i < end; i++) { | |
| 140 if (contents[i] < '0' || contents[i] > '9') { | |
| 141 return FALSE; | |
| 142 } | |
| 143 } | |
| 144 return TRUE; | |
| 145 } | |
| 146 uint8_t* CBC_OnedCode128Writer::Encode(const CFX_ByteString& contents, | |
| 147 int32_t& outLength, | |
| 148 int32_t& e) { | |
| 149 if (contents.GetLength() < 1 || contents.GetLength() > 80) { | |
| 150 e = BCExceptionContentsLengthShouldBetween1and80; | |
| 151 return NULL; | |
| 152 } | |
| 153 CFX_PtrArray patterns; | |
| 154 int32_t checkSum = 0; | |
| 155 if (m_codeFormat == BC_CODE128_B) { | |
| 156 checkSum = Encode128B(contents, patterns); | |
| 157 } else if (m_codeFormat == BC_CODE128_C) { | |
| 158 checkSum = Encode128C(contents, patterns); | |
| 159 } else { | |
| 160 e = BCExceptionFormatException; | |
| 161 return NULL; | |
| 162 } | |
| 163 checkSum %= 103; | |
| 164 patterns.Add((int32_t*)CBC_OnedCode128Reader::CODE_PATTERNS[checkSum]); | |
| 165 patterns.Add((int32_t*)CBC_OnedCode128Reader::CODE_PATTERNS[CODE_STOP]); | |
| 166 m_iContentLen = contents.GetLength() + 3; | |
| 167 int32_t codeWidth = 0; | |
| 168 for (int32_t k = 0; k < patterns.GetSize(); k++) { | |
| 169 int32_t* pattern = (int32_t*)patterns[k]; | |
| 170 for (int32_t j = 0; j < 7; j++) { | |
| 171 codeWidth += pattern[j]; | |
| 172 } | |
| 173 } | |
| 174 outLength = codeWidth; | |
| 175 uint8_t* result = FX_Alloc(uint8_t, outLength); | |
| 176 int32_t pos = 0; | |
| 177 for (int32_t j = 0; j < patterns.GetSize(); j++) { | |
| 178 int32_t* pattern = (int32_t*)patterns[j]; | |
| 179 pos += AppendPattern(result, pos, pattern, 7, 1, e); | |
| 180 if (e != BCExceptionNO) { | |
| 181 FX_Free(result); | |
| 182 return NULL; | |
| 183 } | |
| 184 } | |
| 185 return result; | |
| 186 } | |
| 187 int32_t CBC_OnedCode128Writer::Encode128B(const CFX_ByteString& contents, | |
| 188 CFX_PtrArray& patterns) { | |
| 189 int32_t checkSum = 0; | |
| 190 int32_t checkWeight = 1; | |
| 191 int32_t position = 0; | |
| 192 patterns.Add((int32_t*)CBC_OnedCode128Reader::CODE_PATTERNS[CODE_START_B]); | |
| 193 checkSum += CODE_START_B * checkWeight; | |
| 194 while (position < contents.GetLength()) { | |
| 195 int32_t patternIndex = 0; | |
| 196 patternIndex = contents[position] - ' '; | |
| 197 position += 1; | |
| 198 patterns.Add((int32_t*)CBC_OnedCode128Reader::CODE_PATTERNS[patternIndex]); | |
| 199 checkSum += patternIndex * checkWeight; | |
| 200 if (position != 0) { | |
| 201 checkWeight++; | |
| 202 } | |
| 203 } | |
| 204 return checkSum; | |
| 205 } | |
| 206 int32_t CBC_OnedCode128Writer::Encode128C(const CFX_ByteString& contents, | |
| 207 CFX_PtrArray& patterns) { | |
| 208 int32_t checkSum = 0; | |
| 209 int32_t checkWeight = 1; | |
| 210 int32_t position = 0; | |
| 211 patterns.Add((int32_t*)CBC_OnedCode128Reader::CODE_PATTERNS[CODE_START_C]); | |
| 212 checkSum += CODE_START_C * checkWeight; | |
| 213 while (position < contents.GetLength()) { | |
| 214 int32_t patternIndex = 0; | |
| 215 FX_CHAR ch = contents.GetAt(position); | |
| 216 if (ch < '0' || ch > '9') { | |
| 217 patternIndex = (int32_t)ch; | |
| 218 position++; | |
| 219 } else { | |
| 220 patternIndex = FXSYS_atoi(contents.Mid(position, 2)); | |
| 221 if (contents.GetAt(position + 1) < '0' || | |
| 222 contents.GetAt(position + 1) > '9') { | |
| 223 position += 1; | |
| 224 } else { | |
| 225 position += 2; | |
| 226 } | |
| 227 } | |
| 228 patterns.Add((int32_t*)CBC_OnedCode128Reader::CODE_PATTERNS[patternIndex]); | |
| 229 checkSum += patternIndex * checkWeight; | |
| 230 if (position != 0) { | |
| 231 checkWeight++; | |
| 232 } | |
| 233 } | |
| 234 return checkSum; | |
| 235 } | |
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