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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 2011 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/common/BC_CommonBitArray.h" | |
| 26 #include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h" | |
| 27 #include "xfa/src/fxbarcode/oned/BC_OneDReader.h" | |
| 28 #include "xfa/src/fxbarcode/oned/BC_OneDimWriter.h" | |
| 29 #include "xfa/src/fxbarcode/oned/BC_OnedCodaBarReader.h" | |
| 30 #include "xfa/src/fxbarcode/oned/BC_OnedCodaBarWriter.h" | |
| 31 | |
| 32 const FX_CHAR CBC_OnedCodaBarWriter::START_END_CHARS[] = { | |
| 33 'A', 'B', 'C', 'D', 'T', 'N', '*', 'E', 'a', 'b', 'c', 'd', 't', 'n', 'e'}; | |
| 34 const FX_CHAR CBC_OnedCodaBarWriter::CONTENT_CHARS[] = { | |
| 35 '0', '1', '2', '3', '4', '5', '6', '7', | |
| 36 '8', '9', '-', '$', '/', ':', '+', '.'}; | |
| 37 | |
| 38 CBC_OnedCodaBarWriter::CBC_OnedCodaBarWriter() { | |
| 39 m_chStart = 'A'; | |
| 40 m_chEnd = 'B'; | |
| 41 m_iWideNarrRatio = 2; | |
| 42 } | |
| 43 CBC_OnedCodaBarWriter::~CBC_OnedCodaBarWriter() {} | |
| 44 FX_BOOL CBC_OnedCodaBarWriter::SetStartChar(FX_CHAR start) { | |
| 45 for (size_t i = 0; i < FX_ArraySize(START_END_CHARS); ++i) { | |
| 46 if (START_END_CHARS[i] == start) { | |
| 47 m_chStart = start; | |
| 48 return TRUE; | |
| 49 } | |
| 50 } | |
| 51 return FALSE; | |
| 52 } | |
| 53 | |
| 54 FX_BOOL CBC_OnedCodaBarWriter::SetEndChar(FX_CHAR end) { | |
| 55 for (size_t i = 0; i < FX_ArraySize(START_END_CHARS); ++i) { | |
| 56 if (START_END_CHARS[i] == end) { | |
| 57 m_chEnd = end; | |
| 58 return TRUE; | |
| 59 } | |
| 60 } | |
| 61 return FALSE; | |
| 62 } | |
| 63 void CBC_OnedCodaBarWriter::SetDataLength(int32_t length) { | |
| 64 m_iDataLenth = length + 2; | |
| 65 } | |
| 66 FX_BOOL CBC_OnedCodaBarWriter::SetTextLocation(BC_TEXT_LOC location) { | |
| 67 if (location < BC_TEXT_LOC_NONE || location > BC_TEXT_LOC_BELOWEMBED) { | |
| 68 return FALSE; | |
| 69 } | |
| 70 m_locTextLoc = location; | |
| 71 return TRUE; | |
| 72 } | |
| 73 FX_BOOL CBC_OnedCodaBarWriter::SetWideNarrowRatio(int32_t ratio) { | |
| 74 if (ratio < 2 || ratio > 3) { | |
| 75 return FALSE; | |
| 76 } | |
| 77 m_iWideNarrRatio = ratio; | |
| 78 return TRUE; | |
| 79 } | |
| 80 FX_BOOL CBC_OnedCodaBarWriter::FindChar(FX_WCHAR ch, FX_BOOL isContent) { | |
| 81 if (isContent) { | |
| 82 for (size_t i = 0; i < FX_ArraySize(CONTENT_CHARS); ++i) { | |
| 83 if (ch == (FX_WCHAR)CONTENT_CHARS[i]) { | |
| 84 return TRUE; | |
| 85 } | |
| 86 } | |
| 87 for (size_t j = 0; j < FX_ArraySize(START_END_CHARS); ++j) { | |
| 88 if (ch == (FX_WCHAR)START_END_CHARS[j]) { | |
| 89 return TRUE; | |
| 90 } | |
| 91 } | |
| 92 return FALSE; | |
| 93 } else { | |
| 94 for (size_t i = 0; i < FX_ArraySize(CONTENT_CHARS); ++i) { | |
| 95 if (ch == (FX_WCHAR)CONTENT_CHARS[i]) { | |
| 96 return TRUE; | |
| 97 } | |
| 98 } | |
| 99 return FALSE; | |
| 100 } | |
| 101 } | |
| 102 FX_BOOL CBC_OnedCodaBarWriter::CheckContentValidity( | |
| 103 const CFX_WideStringC& contents) { | |
| 104 FX_WCHAR ch; | |
| 105 int32_t index = 0; | |
| 106 for (index = 0; index < contents.GetLength(); index++) { | |
| 107 ch = contents.GetAt(index); | |
| 108 if (FindChar(ch, FALSE)) { | |
| 109 continue; | |
| 110 } else { | |
| 111 return FALSE; | |
| 112 } | |
| 113 } | |
| 114 return TRUE; | |
| 115 } | |
| 116 CFX_WideString CBC_OnedCodaBarWriter::FilterContents( | |
| 117 const CFX_WideStringC& contents) { | |
| 118 CFX_WideString filtercontents; | |
| 119 FX_WCHAR ch; | |
| 120 for (int32_t index = 0; index < contents.GetLength(); index++) { | |
| 121 ch = contents.GetAt(index); | |
| 122 if (ch > 175) { | |
| 123 index++; | |
| 124 continue; | |
| 125 } | |
| 126 if (FindChar(ch, TRUE)) { | |
| 127 filtercontents += ch; | |
| 128 } else { | |
| 129 continue; | |
| 130 } | |
| 131 } | |
| 132 return filtercontents; | |
| 133 } | |
| 134 uint8_t* CBC_OnedCodaBarWriter::Encode(const CFX_ByteString& contents, | |
| 135 BCFORMAT format, | |
| 136 int32_t& outWidth, | |
| 137 int32_t& outHeight, | |
| 138 int32_t& e) { | |
| 139 uint8_t* ret = Encode(contents, format, outWidth, outHeight, 0, e); | |
| 140 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | |
| 141 return ret; | |
| 142 } | |
| 143 uint8_t* CBC_OnedCodaBarWriter::Encode(const CFX_ByteString& contents, | |
| 144 BCFORMAT format, | |
| 145 int32_t& outWidth, | |
| 146 int32_t& outHeight, | |
| 147 int32_t hints, | |
| 148 int32_t& e) { | |
| 149 if (format != BCFORMAT_CODABAR) { | |
| 150 e = BCExceptionOnlyEncodeCODEBAR; | |
| 151 return NULL; | |
| 152 } | |
| 153 uint8_t* ret = | |
| 154 CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e); | |
| 155 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | |
| 156 return ret; | |
| 157 } | |
| 158 uint8_t* CBC_OnedCodaBarWriter::Encode(const CFX_ByteString& contents, | |
| 159 int32_t& outLength, | |
| 160 int32_t& e) { | |
| 161 CBC_OnedCodaBarReader CodaBarR; | |
| 162 CFX_ByteString data = m_chStart + contents + m_chEnd; | |
| 163 m_iContentLen = data.GetLength(); | |
| 164 uint8_t* result = FX_Alloc2D(uint8_t, m_iWideNarrRatio * 7, data.GetLength()); | |
| 165 FX_CHAR ch; | |
| 166 int32_t position = 0; | |
| 167 for (int32_t index = 0; index < data.GetLength(); index++) { | |
| 168 ch = data.GetAt(index); | |
| 169 if (((ch >= 'a') && (ch <= 'z'))) { | |
| 170 ch = ch - 32; | |
| 171 } | |
| 172 switch (ch) { | |
| 173 case 'T': | |
| 174 ch = 'A'; | |
| 175 break; | |
| 176 case 'N': | |
| 177 ch = 'B'; | |
| 178 break; | |
| 179 case '*': | |
| 180 ch = 'C'; | |
| 181 break; | |
| 182 case 'E': | |
| 183 ch = 'D'; | |
| 184 break; | |
| 185 default: | |
| 186 break; | |
| 187 } | |
| 188 int32_t code = 0; | |
| 189 int32_t len = (int32_t)strlen(CodaBarR.ALPHABET_STRING); | |
| 190 for (int32_t i = 0; i < len; i++) { | |
| 191 if (ch == CodaBarR.ALPHABET_STRING[i]) { | |
| 192 code = CodaBarR.CHARACTER_ENCODINGS[i]; | |
| 193 break; | |
| 194 } | |
| 195 } | |
| 196 uint8_t color = 1; | |
| 197 int32_t counter = 0; | |
| 198 int32_t bit = 0; | |
| 199 while (bit < 7) { | |
| 200 result[position] = color; | |
| 201 position++; | |
| 202 if (((code >> (6 - bit)) & 1) == 0 || counter == m_iWideNarrRatio - 1) { | |
| 203 color = !color; | |
| 204 bit++; | |
| 205 counter = 0; | |
| 206 } else { | |
| 207 counter++; | |
| 208 } | |
| 209 } | |
| 210 if (index < data.GetLength() - 1) { | |
| 211 result[position] = 0; | |
| 212 position++; | |
| 213 } | |
| 214 } | |
| 215 outLength = position; | |
| 216 return result; | |
| 217 } | |
| 218 CFX_WideString CBC_OnedCodaBarWriter::encodedContents( | |
| 219 const CFX_WideStringC& contents) { | |
| 220 CFX_WideString strStart(m_chStart); | |
| 221 CFX_WideString strEnd(m_chEnd); | |
| 222 return strStart + contents + strEnd; | |
| 223 } | |
| 224 void CBC_OnedCodaBarWriter::RenderResult(const CFX_WideStringC& contents, | |
| 225 uint8_t* code, | |
| 226 int32_t codeLength, | |
| 227 FX_BOOL isDevice, | |
| 228 int32_t& e) { | |
| 229 CBC_OneDimWriter::RenderResult(encodedContents(contents), code, codeLength, | |
| 230 isDevice, e); | |
| 231 } | |
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