diff options
Diffstat (limited to 'xfa/src/fxbarcode/datamatrix/BC_ErrorCorrection.cpp')
-rw-r--r-- | xfa/src/fxbarcode/datamatrix/BC_ErrorCorrection.cpp | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/xfa/src/fxbarcode/datamatrix/BC_ErrorCorrection.cpp b/xfa/src/fxbarcode/datamatrix/BC_ErrorCorrection.cpp deleted file mode 100644 index d5ae9bf9bf..0000000000 --- a/xfa/src/fxbarcode/datamatrix/BC_ErrorCorrection.cpp +++ /dev/null @@ -1,175 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com -// Original code is licensed as follows: -/* - * Copyright 2006 Jeremias Maerki. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "xfa/src/fxbarcode/datamatrix/BC_Encoder.h" -#include "xfa/src/fxbarcode/datamatrix/BC_ErrorCorrection.h" -#include "xfa/src/fxbarcode/datamatrix/BC_SymbolInfo.h" -#include "xfa/src/fxbarcode/datamatrix/BC_SymbolShapeHint.h" - -int32_t CBC_ErrorCorrection::FACTOR_SETS[] = {5, 7, 10, 11, 12, 14, 18, 20, - 24, 28, 36, 42, 48, 56, 62, 68}; -int32_t CBC_ErrorCorrection::FACTORS[][100] = { - {228, 48, 15, 111, 62}, - {23, 68, 144, 134, 240, 92, 254}, - {28, 24, 185, 166, 223, 248, 116, 255, 110, 61}, - {175, 138, 205, 12, 194, 168, 39, 245, 60, 97, 120}, - {41, 153, 158, 91, 61, 42, 142, 213, 97, 178, 100, 242}, - {156, 97, 192, 252, 95, 9, 157, 119, 138, 45, 18, 186, 83, 185}, - {83, 195, 100, 39, 188, 75, 66, 61, 241, 213, 109, 129, 94, 254, 225, 48, - 90, 188}, - {15, 195, 244, 9, 233, 71, 168, 2, 188, 160, 153, 145, 253, 79, 108, 82, 27, - 174, 186, 172}, - {52, 190, 88, 205, 109, 39, 176, 21, 155, 197, 251, 223, 155, 21, 5, 172, - 254, 124, 12, 181, 184, 96, 50, 193}, - {211, 231, 43, 97, 71, 96, 103, 174, 37, 151, 170, 53, 75, 34, 249, 121, 17, - 138, 110, 213, 141, 136, 120, 151, 233, 168, 93, 255}, - {245, 127, 242, 218, 130, 250, 162, 181, 102, 120, 84, 179, 220, 251, 80, - 182, 229, 18, 2, 4, 68, 33, 101, 137, 95, 119, 115, 44, 175, 184, 59, 25, - 225, 98, 81, 112}, - {77, 193, 137, 31, 19, 38, 22, 153, 247, 105, 122, 2, 245, 133, 242, 8, 175, - 95, 100, 9, 167, 105, 214, 111, 57, 121, 21, 1, 253, 57, 54, 101, 248, 202, - 69, 50, 150, 177, 226, 5, 9, 5}, - {245, 132, 172, 223, 96, 32, 117, 22, 238, 133, 238, 231, 205, 188, 237, 87, - 191, 106, 16, 147, 118, 23, 37, 90, 170, 205, 131, 88, 120, 100, 66, 138, - 186, 240, 82, 44, 176, 87, 187, 147, 160, 175, 69, 213, 92, 253, 225, 19}, - {175, 9, 223, 238, 12, 17, 220, 208, 100, 29, 175, 170, 230, 192, 215, 235, - 150, 159, 36, 223, 38, 200, 132, 54, 228, 146, 218, 234, 117, 203, 29, 232, - 144, 238, 22, 150, 201, 117, 62, 207, 164, 13, 137, 245, 127, 67, 247, 28, - 155, 43, 203, 107, 233, 53, 143, 46}, - {242, 93, 169, 50, 144, 210, 39, 118, 202, 188, 201, 189, 143, 108, 196, 37, - 185, 112, 134, 230, 245, 63, 197, 190, 250, 106, 185, 221, 175, 64, 114, - 71, 161, 44, 147, 6, 27, 218, 51, 63, 87, 10, 40, 130, 188, 17, 163, 31, - 176, 170, 4, 107, 232, 7, 94, 166, 224, 124, 86, 47, 11, 204}, - {220, 228, 173, 89, 251, 149, 159, 56, 89, 33, 147, 244, 154, 36, 73, 127, - 213, 136, 248, 180, 234, 197, 158, 177, 68, 122, 93, 213, 15, 160, 227, - 236, 66, 139, 153, 185, 202, 167, 179, 25, 220, 232, 96, 210, 231, 136, - 223, 239, 181, 241, 59, 52, 172, 25, 49, 232, 211, 189, 64, 54, 108, 153, - 132, 63, 96, 103, 82, 186}}; -int32_t CBC_ErrorCorrection::MODULO_VALUE = 0x12D; -int32_t CBC_ErrorCorrection::LOG[256] = {0}; -int32_t CBC_ErrorCorrection::ALOG[256] = {0}; -void CBC_ErrorCorrection::Initialize() { - int32_t p = 1; - for (int32_t i = 0; i < 255; i++) { - ALOG[i] = p; - LOG[p] = i; - p <<= 1; - if (p >= 256) { - p ^= MODULO_VALUE; - } - } -} -void CBC_ErrorCorrection::Finalize() {} -CBC_ErrorCorrection::CBC_ErrorCorrection() {} -CBC_ErrorCorrection::~CBC_ErrorCorrection() {} -CFX_WideString CBC_ErrorCorrection::encodeECC200(CFX_WideString codewords, - CBC_SymbolInfo* symbolInfo, - int32_t& e) { - if (codewords.GetLength() != symbolInfo->m_dataCapacity) { - e = BCExceptionIllegalArgument; - return (FX_WCHAR*)""; - } - CFX_WideString sb; - sb += codewords; - int32_t blockCount = symbolInfo->getInterleavedBlockCount(); - if (blockCount == 1) { - CFX_WideString ecc = - createECCBlock(codewords, symbolInfo->m_errorCodewords, e); - BC_EXCEPTION_CHECK_ReturnValue(e, (FX_WCHAR*)""); - sb += ecc; - } else { - CFX_Int32Array dataSizes; - dataSizes.SetSize(blockCount); - CFX_Int32Array errorSizes; - errorSizes.SetSize(blockCount); - CFX_Int32Array startPos; - startPos.SetSize(blockCount); - for (int32_t i = 0; i < blockCount; i++) { - dataSizes[i] = symbolInfo->getDataLengthForInterleavedBlock(i + 1); - errorSizes[i] = symbolInfo->getErrorLengthForInterleavedBlock(i + 1); - startPos[i] = 0; - if (i > 0) { - startPos[i] = startPos[i - 1] + dataSizes[i]; - } - } - for (int32_t block = 0; block < blockCount; block++) { - CFX_WideString temp; - for (int32_t d = block; d < symbolInfo->m_dataCapacity; d += blockCount) { - temp += (FX_WCHAR)codewords.GetAt(d); - } - CFX_WideString ecc = createECCBlock(temp, errorSizes[block], e); - BC_EXCEPTION_CHECK_ReturnValue(e, (FX_WCHAR*)""); - int32_t pos = 0; - for (int32_t l = block; l < errorSizes[block] * blockCount; - l += blockCount) { - sb.SetAt(symbolInfo->m_dataCapacity + l, ecc.GetAt(pos++)); - } - } - } - return sb; -} -CFX_WideString CBC_ErrorCorrection::createECCBlock(CFX_WideString codewords, - int32_t numECWords, - int32_t& e) { - return createECCBlock(codewords, 0, codewords.GetLength(), numECWords, e); -} -CFX_WideString CBC_ErrorCorrection::createECCBlock(CFX_WideString codewords, - int32_t start, - int32_t len, - int32_t numECWords, - int32_t& e) { - int32_t table = -1; - for (int32_t i = 0; i < sizeof(FACTOR_SETS) / sizeof(int32_t); i++) { - if (FACTOR_SETS[i] == numECWords) { - table = i; - break; - } - } - if (table < 0) { - e = BCExceptionIllegalArgument; - return (FX_WCHAR*)""; - } - FX_WORD* ecc = FX_Alloc(FX_WORD, numECWords); - FXSYS_memset(ecc, 0, numECWords * sizeof(FX_WORD)); - for (int32_t l = start; l < start + len; l++) { - FX_WORD m = ecc[numECWords - 1] ^ codewords.GetAt(l); - for (int32_t k = numECWords - 1; k > 0; k--) { - if (m != 0 && FACTORS[table][k] != 0) { - ecc[k] = (FX_WORD)(ecc[k - 1] ^ - ALOG[(LOG[m] + LOG[FACTORS[table][k]]) % 255]); - } else { - ecc[k] = ecc[k - 1]; - } - } - if (m != 0 && FACTORS[table][0] != 0) { - ecc[0] = (FX_WORD)ALOG[(LOG[m] + LOG[FACTORS[table][0]]) % 255]; - } else { - ecc[0] = 0; - } - } - CFX_WideString strecc; - for (int32_t j = 0; j < numECWords; j++) { - strecc += (FX_WCHAR)ecc[numECWords - j - 1]; - } - FX_Free(ecc); - return strecc; -} |