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Diffstat (limited to 'xfa/fxbarcode/oned/BC_OnedCode128Reader.cpp')
| -rw-r--r-- | xfa/fxbarcode/oned/BC_OnedCode128Reader.cpp | 349 |
1 files changed, 0 insertions, 349 deletions
diff --git a/xfa/fxbarcode/oned/BC_OnedCode128Reader.cpp b/xfa/fxbarcode/oned/BC_OnedCode128Reader.cpp deleted file mode 100644 index b868327a37..0000000000 --- a/xfa/fxbarcode/oned/BC_OnedCode128Reader.cpp +++ /dev/null @@ -1,349 +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 2008 ZXing authors - * - * 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 <algorithm> - -#include "xfa/fxbarcode/BC_Reader.h" -#include "xfa/fxbarcode/common/BC_CommonBitArray.h" -#include "xfa/fxbarcode/oned/BC_OneDReader.h" -#include "xfa/fxbarcode/oned/BC_OnedCode128Reader.h" -#include "xfa/fxbarcode/utils.h" - -const int32_t CBC_OnedCode128Reader::CODE_PATTERNS[107][7] = { - {2, 1, 2, 2, 2, 2, 0}, {2, 2, 2, 1, 2, 2, 0}, {2, 2, 2, 2, 2, 1, 0}, - {1, 2, 1, 2, 2, 3, 0}, {1, 2, 1, 3, 2, 2, 0}, {1, 3, 1, 2, 2, 2, 0}, - {1, 2, 2, 2, 1, 3, 0}, {1, 2, 2, 3, 1, 2, 0}, {1, 3, 2, 2, 1, 2, 0}, - {2, 2, 1, 2, 1, 3, 0}, {2, 2, 1, 3, 1, 2, 0}, {2, 3, 1, 2, 1, 2, 0}, - {1, 1, 2, 2, 3, 2, 0}, {1, 2, 2, 1, 3, 2, 0}, {1, 2, 2, 2, 3, 1, 0}, - {1, 1, 3, 2, 2, 2, 0}, {1, 2, 3, 1, 2, 2, 0}, {1, 2, 3, 2, 2, 1, 0}, - {2, 2, 3, 2, 1, 1, 0}, {2, 2, 1, 1, 3, 2, 0}, {2, 2, 1, 2, 3, 1, 0}, - {2, 1, 3, 2, 1, 2, 0}, {2, 2, 3, 1, 1, 2, 0}, {3, 1, 2, 1, 3, 1, 0}, - {3, 1, 1, 2, 2, 2, 0}, {3, 2, 1, 1, 2, 2, 0}, {3, 2, 1, 2, 2, 1, 0}, - {3, 1, 2, 2, 1, 2, 0}, {3, 2, 2, 1, 1, 2, 0}, {3, 2, 2, 2, 1, 1, 0}, - {2, 1, 2, 1, 2, 3, 0}, {2, 1, 2, 3, 2, 1, 0}, {2, 3, 2, 1, 2, 1, 0}, - {1, 1, 1, 3, 2, 3, 0}, {1, 3, 1, 1, 2, 3, 0}, {1, 3, 1, 3, 2, 1, 0}, - {1, 1, 2, 3, 1, 3, 0}, {1, 3, 2, 1, 1, 3, 0}, {1, 3, 2, 3, 1, 1, 0}, - {2, 1, 1, 3, 1, 3, 0}, {2, 3, 1, 1, 1, 3, 0}, {2, 3, 1, 3, 1, 1, 0}, - {1, 1, 2, 1, 3, 3, 0}, {1, 1, 2, 3, 3, 1, 0}, {1, 3, 2, 1, 3, 1, 0}, - {1, 1, 3, 1, 2, 3, 0}, {1, 1, 3, 3, 2, 1, 0}, {1, 3, 3, 1, 2, 1, 0}, - {3, 1, 3, 1, 2, 1, 0}, {2, 1, 1, 3, 3, 1, 0}, {2, 3, 1, 1, 3, 1, 0}, - {2, 1, 3, 1, 1, 3, 0}, {2, 1, 3, 3, 1, 1, 0}, {2, 1, 3, 1, 3, 1, 0}, - {3, 1, 1, 1, 2, 3, 0}, {3, 1, 1, 3, 2, 1, 0}, {3, 3, 1, 1, 2, 1, 0}, - {3, 1, 2, 1, 1, 3, 0}, {3, 1, 2, 3, 1, 1, 0}, {3, 3, 2, 1, 1, 1, 0}, - {3, 1, 4, 1, 1, 1, 0}, {2, 2, 1, 4, 1, 1, 0}, {4, 3, 1, 1, 1, 1, 0}, - {1, 1, 1, 2, 2, 4, 0}, {1, 1, 1, 4, 2, 2, 0}, {1, 2, 1, 1, 2, 4, 0}, - {1, 2, 1, 4, 2, 1, 0}, {1, 4, 1, 1, 2, 2, 0}, {1, 4, 1, 2, 2, 1, 0}, - {1, 1, 2, 2, 1, 4, 0}, {1, 1, 2, 4, 1, 2, 0}, {1, 2, 2, 1, 1, 4, 0}, - {1, 2, 2, 4, 1, 1, 0}, {1, 4, 2, 1, 1, 2, 0}, {1, 4, 2, 2, 1, 1, 0}, - {2, 4, 1, 2, 1, 1, 0}, {2, 2, 1, 1, 1, 4, 0}, {4, 1, 3, 1, 1, 1, 0}, - {2, 4, 1, 1, 1, 2, 0}, {1, 3, 4, 1, 1, 1, 0}, {1, 1, 1, 2, 4, 2, 0}, - {1, 2, 1, 1, 4, 2, 0}, {1, 2, 1, 2, 4, 1, 0}, {1, 1, 4, 2, 1, 2, 0}, - {1, 2, 4, 1, 1, 2, 0}, {1, 2, 4, 2, 1, 1, 0}, {4, 1, 1, 2, 1, 2, 0}, - {4, 2, 1, 1, 1, 2, 0}, {4, 2, 1, 2, 1, 1, 0}, {2, 1, 2, 1, 4, 1, 0}, - {2, 1, 4, 1, 2, 1, 0}, {4, 1, 2, 1, 2, 1, 0}, {1, 1, 1, 1, 4, 3, 0}, - {1, 1, 1, 3, 4, 1, 0}, {1, 3, 1, 1, 4, 1, 0}, {1, 1, 4, 1, 1, 3, 0}, - {1, 1, 4, 3, 1, 1, 0}, {4, 1, 1, 1, 1, 3, 0}, {4, 1, 1, 3, 1, 1, 0}, - {1, 1, 3, 1, 4, 1, 0}, {1, 1, 4, 1, 3, 1, 0}, {3, 1, 1, 1, 4, 1, 0}, - {4, 1, 1, 1, 3, 1, 0}, {2, 1, 1, 4, 1, 2, 0}, {2, 1, 1, 2, 1, 4, 0}, - {2, 1, 1, 2, 3, 2, 0}, {2, 3, 3, 1, 1, 1, 2}}; - -CBC_OnedCode128Reader::CBC_OnedCode128Reader() {} -CBC_OnedCode128Reader::~CBC_OnedCode128Reader() {} -CFX_Int32Array* CBC_OnedCode128Reader::FindStartPattern(CBC_CommonBitArray* row, - int32_t& e) { - int32_t width = row->GetSize(); - int32_t rowOffset = 0; - while (rowOffset < width) { - if (row->Get(rowOffset)) { - break; - } - rowOffset++; - } - int32_t counterPosition = 0; - CFX_Int32Array counters; - counters.SetSize(6); - int32_t patternStart = rowOffset; - FX_BOOL isWhite = FALSE; - int32_t patternLength = counters.GetSize(); - for (int32_t i = rowOffset; i < width; i++) { - FX_BOOL pixel = row->Get(i); - if (pixel ^ isWhite) { - counters[counterPosition]++; - } else { - if (counterPosition == patternLength - 1) { - int32_t bestVariance = MAX_AVG_VARIANCE; - int32_t bestMatch = -1; - for (int32_t startCode = CODE_START_A; startCode <= CODE_START_C; - startCode++) { - int32_t variance = PatternMatchVariance( - &counters, &CODE_PATTERNS[startCode][0], MAX_INDIVIDUAL_VARIANCE); - if (variance < bestVariance) { - bestVariance = variance; - bestMatch = startCode; - } - } - if (bestMatch >= 0) { - FX_BOOL btemp2 = - row->IsRange(std::max(0, patternStart - (i - patternStart) / 2), - patternStart, FALSE, e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - if (btemp2) { - CFX_Int32Array* result = new CFX_Int32Array; - result->SetSize(3); - (*result)[0] = patternStart; - (*result)[1] = i; - (*result)[2] = bestMatch; - return result; - } - } - patternStart += counters[0] + counters[1]; - for (int32_t y = 2; y < patternLength; y++) { - counters[y - 2] = counters[y]; - } - counters[patternLength - 2] = 0; - counters[patternLength - 1] = 0; - counterPosition--; - } else { - counterPosition++; - } - counters[counterPosition] = 1; - isWhite = !isWhite; - } - } - e = BCExceptionNotFound; - return nullptr; -} -int32_t CBC_OnedCode128Reader::DecodeCode(CBC_CommonBitArray* row, - CFX_Int32Array* counters, - int32_t rowOffset, - int32_t& e) { - RecordPattern(row, rowOffset, counters, e); - BC_EXCEPTION_CHECK_ReturnValue(e, 0); - int32_t bestVariance = MAX_AVG_VARIANCE; - int32_t bestMatch = -1; - for (int32_t d = 0; d < 107; d++) { - int32_t variance = PatternMatchVariance(counters, &CODE_PATTERNS[d][0], - MAX_INDIVIDUAL_VARIANCE); - if (variance < bestVariance) { - bestVariance = variance; - bestMatch = d; - } - } - if (bestMatch >= 0) { - return bestMatch; - } - e = BCExceptionNotFound; - return 0; -} -CFX_ByteString CBC_OnedCode128Reader::DecodeRow(int32_t rowNumber, - CBC_CommonBitArray* row, - int32_t hints, - int32_t& e) { - CFX_Int32Array* startPatternInfo = FindStartPattern(row, e); - BC_EXCEPTION_CHECK_ReturnValue(e, ""); - int32_t startCode = (*startPatternInfo)[2]; - int32_t codeSet; - switch (startCode) { - case 103: - codeSet = CODE_CODE_A; - break; - case 104: - codeSet = CODE_CODE_B; - break; - case 105: - codeSet = CODE_CODE_C; - break; - default: - if (startPatternInfo) { - startPatternInfo->RemoveAll(); - delete startPatternInfo; - startPatternInfo = nullptr; - } - e = BCExceptionFormatException; - return ""; - } - FX_BOOL done = FALSE; - FX_BOOL isNextShifted = FALSE; - CFX_ByteString result; - int32_t lastStart = (*startPatternInfo)[0]; - int32_t nextStart = (*startPatternInfo)[1]; - if (startPatternInfo) { - startPatternInfo->RemoveAll(); - delete startPatternInfo; - startPatternInfo = nullptr; - } - CFX_Int32Array counters; - counters.SetSize(6); - int32_t lastCode = 0; - int32_t code = 0; - int32_t checksumTotal = startCode; - int32_t multiplier = 0; - FX_BOOL lastCharacterWasPrintable = TRUE; - while (!done) { - FX_BOOL unshift = isNextShifted; - isNextShifted = FALSE; - lastCode = code; - code = DecodeCode(row, &counters, nextStart, e); - BC_EXCEPTION_CHECK_ReturnValue(e, ""); - if (code != CODE_STOP) { - lastCharacterWasPrintable = TRUE; - } - if (code != CODE_STOP) { - multiplier++; - checksumTotal += multiplier * code; - } - lastStart = nextStart; - for (int32_t i = 0; i < counters.GetSize(); i++) { - nextStart += counters[i]; - } - switch (code) { - case 103: - case 104: - case 105: - e = BCExceptionFormatException; - return ""; - } - switch (codeSet) { - case 101: - if (code < 64) { - result += (FX_CHAR)(' ' + code); - } else if (code < 96) { - result += (FX_CHAR)(code - 64); - } else { - if (code != CODE_STOP) { - lastCharacterWasPrintable = FALSE; - } - switch (code) { - case 102: - case 97: - case 96: - case 101: - break; - case 98: - isNextShifted = TRUE; - codeSet = CODE_CODE_B; - break; - case 100: - codeSet = CODE_CODE_B; - break; - case 99: - codeSet = CODE_CODE_C; - break; - case 106: - done = TRUE; - break; - } - } - break; - case 100: - if (code < 96) { - result += (FX_CHAR)(' ' + code); - } else { - if (code != CODE_STOP) { - lastCharacterWasPrintable = FALSE; - } - switch (code) { - case 102: - case 97: - case 96: - case 100: - break; - case 98: - isNextShifted = TRUE; - codeSet = CODE_CODE_A; - break; - case 101: - codeSet = CODE_CODE_A; - break; - case 99: - codeSet = CODE_CODE_C; - break; - case 106: - done = TRUE; - break; - } - } - break; - case 99: - if (code < 100) { - if (code < 10) { - result += '0'; - } - FX_CHAR temp[128]; - // TODO(dsinclair): Should this be snprintf? - sprintf(temp, "%d", code); - result += temp; - } else { - if (code != CODE_STOP) { - lastCharacterWasPrintable = FALSE; - } - switch (code) { - case 102: - break; - case 101: - codeSet = CODE_CODE_A; - break; - case 100: - codeSet = CODE_CODE_B; - break; - case 106: - done = TRUE; - break; - } - } - break; - } - if (unshift) { - codeSet = codeSet == CODE_CODE_A ? CODE_CODE_B : CODE_CODE_A; - } - } - int32_t width = row->GetSize(); - while (nextStart < width && row->Get(nextStart)) { - nextStart++; - } - FX_BOOL boolT1 = row->IsRange( - nextStart, std::min(width, nextStart + (nextStart - lastStart) / 2), - FALSE, e); - BC_EXCEPTION_CHECK_ReturnValue(e, ""); - if (!boolT1) { - e = BCExceptionNotFound; - return ""; - } - checksumTotal -= multiplier * lastCode; - if (checksumTotal % 103 != lastCode) { - e = BCExceptionChecksumException; - return ""; - } - int32_t resultLength = result.GetLength(); - if (resultLength > 0 && lastCharacterWasPrintable) { - if (codeSet == CODE_CODE_C) { - result = result.Mid(0, result.GetLength() - 2); - } else { - result = result.Mid(0, result.GetLength() - 1); - } - } - if (result.GetLength() == 0) { - e = BCExceptionFormatException; - return ""; - } - return result; -} |