| Index: xfa/src/fxbarcode/oned/BC_OneDimReader.cpp
|
| diff --git a/xfa/src/fxbarcode/oned/BC_OneDimReader.cpp b/xfa/src/fxbarcode/oned/BC_OneDimReader.cpp
|
| deleted file mode 100644
|
| index 07b86571892e2807611736bc3f75679deb12397f..0000000000000000000000000000000000000000
|
| --- a/xfa/src/fxbarcode/oned/BC_OneDimReader.cpp
|
| +++ /dev/null
|
| @@ -1,219 +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 "xfa/src/fxbarcode/oned/BC_OneDimReader.h"
|
| -
|
| -#include <memory>
|
| -
|
| -#include "xfa/src/fxbarcode/BC_Reader.h"
|
| -#include "xfa/src/fxbarcode/common/BC_CommonBitArray.h"
|
| -#include "xfa/src/fxbarcode/oned/BC_OneDReader.h"
|
| -#include "xfa/src/fxbarcode/utils.h"
|
| -
|
| -const int32_t CBC_OneDimReader::START_END_PATTERN[3] = {1, 1, 1};
|
| -const int32_t CBC_OneDimReader::MIDDLE_PATTERN[5] = {1, 1, 1, 1, 1};
|
| -const int32_t CBC_OneDimReader::L_PATTERNS[10][4] = {
|
| - {3, 2, 1, 1}, {2, 2, 2, 1}, {2, 1, 2, 2}, {1, 4, 1, 1}, {1, 1, 3, 2},
|
| - {1, 2, 3, 1}, {1, 1, 1, 4}, {1, 3, 1, 2}, {1, 2, 1, 3}, {3, 1, 1, 2}};
|
| -const int32_t CBC_OneDimReader::L_AND_G_PATTERNS[20][4] = {
|
| - {3, 2, 1, 1}, {2, 2, 2, 1}, {2, 1, 2, 2}, {1, 4, 1, 1}, {1, 1, 3, 2},
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| - {1, 2, 3, 1}, {1, 1, 1, 4}, {1, 3, 1, 2}, {1, 2, 1, 3}, {3, 1, 1, 2},
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| - {1, 1, 2, 3}, {1, 2, 2, 2}, {2, 2, 1, 2}, {1, 1, 4, 1}, {2, 3, 1, 1},
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| - {1, 3, 2, 1}, {4, 1, 1, 1}, {2, 1, 3, 1}, {3, 1, 2, 1}, {2, 1, 1, 3}};
|
| -
|
| -CBC_OneDimReader::CBC_OneDimReader() {}
|
| -CBC_OneDimReader::~CBC_OneDimReader() {}
|
| -CFX_Int32Array* CBC_OneDimReader::FindStartGuardPattern(CBC_CommonBitArray* row,
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| - int32_t& e) {
|
| - FX_BOOL foundStart = FALSE;
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| - CFX_Int32Array* startRange = NULL;
|
| - CFX_Int32Array startEndPattern;
|
| - startEndPattern.SetSize(3);
|
| - startEndPattern[0] = START_END_PATTERN[0];
|
| - startEndPattern[1] = START_END_PATTERN[1];
|
| - startEndPattern[2] = START_END_PATTERN[2];
|
| - int32_t nextStart = 0;
|
| - while (!foundStart) {
|
| - delete startRange;
|
| - startRange = FindGuardPattern(row, nextStart, FALSE, &startEndPattern, e);
|
| - BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
|
| - int32_t start = (*startRange)[0];
|
| - nextStart = (*startRange)[1];
|
| - if (start <= 1) {
|
| - break;
|
| - }
|
| - int32_t quietStart = start - (nextStart - start);
|
| - if (quietStart >= 0) {
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| - FX_BOOL booT = row->IsRange(quietStart, start, FALSE, e);
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| - BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
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| - foundStart = booT;
|
| - }
|
| - }
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| - return startRange;
|
| -}
|
| -CFX_ByteString CBC_OneDimReader::DecodeRow(int32_t rowNumber,
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| - CBC_CommonBitArray* row,
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| - int32_t hints,
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| - int32_t& e) {
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| - std::unique_ptr<CFX_Int32Array> result(FindStartGuardPattern(row, e));
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| - BC_EXCEPTION_CHECK_ReturnValue(e, "");
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| - CFX_ByteString temp = DecodeRow(rowNumber, row, result.get(), hints, e);
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| - BC_EXCEPTION_CHECK_ReturnValue(e, "");
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| - return temp;
|
| -}
|
| -CFX_ByteString CBC_OneDimReader::DecodeRow(int32_t rowNumber,
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| - CBC_CommonBitArray* row,
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| - CFX_Int32Array* startGuardRange,
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| - int32_t hints,
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| - int32_t& e) {
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| - CFX_ByteString result;
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| - DecodeMiddle(row, startGuardRange, result, e);
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| - BC_EXCEPTION_CHECK_ReturnValue(e, "");
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| - FX_BOOL b = CheckChecksum(result, e);
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| - BC_EXCEPTION_CHECK_ReturnValue(e, "");
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| - if (!b) {
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| - e = BCExceptionChecksumException;
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| - return "";
|
| - }
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| - return result;
|
| -}
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| -FX_BOOL CBC_OneDimReader::CheckChecksum(CFX_ByteString& s, int32_t& e) {
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| - FX_BOOL temp = CheckStandardUPCEANChecksum(s, e);
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| - BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
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| - return temp;
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| -}
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| -FX_BOOL CBC_OneDimReader::CheckStandardUPCEANChecksum(CFX_ByteString& s,
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| - int32_t& e) {
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| - int32_t length = s.GetLength();
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| - if (length == 0) {
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| - return FALSE;
|
| - }
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| - int32_t sum = 0;
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| - for (int32_t i = length - 2; i >= 0; i -= 2) {
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| - int32_t digit = (int32_t)s[i] - (int32_t)'0';
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| - if (digit < 0 || digit > 9) {
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| - e = BCExceptionFormatException;
|
| - return FALSE;
|
| - }
|
| - sum += digit;
|
| - }
|
| - sum *= 3;
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| - for (int32_t j = length - 1; j >= 0; j -= 2) {
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| - int32_t digit = (int32_t)s[j] - (int32_t)'0';
|
| - if (digit < 0 || digit > 9) {
|
| - e = BCExceptionFormatException;
|
| - return FALSE;
|
| - }
|
| - sum += digit;
|
| - }
|
| - return sum % 10 == 0;
|
| -}
|
| -CFX_Int32Array* CBC_OneDimReader::DecodeEnd(CBC_CommonBitArray* row,
|
| - int32_t endStart,
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| - int32_t& e) {
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| - CFX_Int32Array startEndPattern;
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| - startEndPattern.Add(START_END_PATTERN[0]);
|
| - startEndPattern.Add(START_END_PATTERN[1]);
|
| - startEndPattern.Add(START_END_PATTERN[2]);
|
| - CFX_Int32Array* FindGuard =
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| - FindGuardPattern(row, endStart, FALSE, &startEndPattern, e);
|
| - BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
|
| - return FindGuard;
|
| -}
|
| -CFX_Int32Array* CBC_OneDimReader::FindGuardPattern(CBC_CommonBitArray* row,
|
| - int32_t rowOffset,
|
| - FX_BOOL whiteFirst,
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| - CFX_Int32Array* pattern,
|
| - int32_t& e) {
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| - int32_t patternLength = pattern->GetSize();
|
| - CFX_Int32Array counters;
|
| - counters.SetSize(patternLength);
|
| - int32_t width = row->GetSize();
|
| - FX_BOOL isWhite = FALSE;
|
| - while (rowOffset < width) {
|
| - isWhite = !row->Get(rowOffset);
|
| - if (whiteFirst == isWhite) {
|
| - break;
|
| - }
|
| - rowOffset++;
|
| - }
|
| - int32_t counterPosition = 0;
|
| - int32_t patternStart = rowOffset;
|
| - for (int32_t x = rowOffset; x < width; x++) {
|
| - FX_BOOL pixel = row->Get(x);
|
| - if (pixel ^ isWhite) {
|
| - counters[counterPosition]++;
|
| - } else {
|
| - if (counterPosition == patternLength - 1) {
|
| - if (PatternMatchVariance(&counters, &(*pattern)[0],
|
| - MAX_INDIVIDUAL_VARIANCE) < MAX_AVG_VARIANCE) {
|
| - CFX_Int32Array* result = new CFX_Int32Array();
|
| - result->SetSize(2);
|
| - (*result)[0] = patternStart;
|
| - (*result)[1] = x;
|
| - 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;
|
| - BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
|
| - return NULL;
|
| -}
|
| -int32_t CBC_OneDimReader::DecodeDigit(CBC_CommonBitArray* row,
|
| - CFX_Int32Array* counters,
|
| - int32_t rowOffset,
|
| - const int32_t* patterns,
|
| - int32_t patternLength,
|
| - int32_t& e) {
|
| - RecordPattern(row, rowOffset, counters, e);
|
| - BC_EXCEPTION_CHECK_ReturnValue(e, 0);
|
| - int32_t bestVariance = MAX_AVG_VARIANCE;
|
| - int32_t bestMatch = -1;
|
| - int32_t max = patternLength;
|
| - for (int32_t i = 0; i < max; i++) {
|
| - int32_t variance = PatternMatchVariance(counters, &patterns[i * 4],
|
| - MAX_INDIVIDUAL_VARIANCE);
|
| - if (variance < bestVariance) {
|
| - bestVariance = variance;
|
| - bestMatch = i;
|
| - }
|
| - }
|
| - if (bestMatch >= 0) {
|
| - return bestMatch;
|
| - } else {
|
| - e = BCExceptionNotFound;
|
| - return 0;
|
| - }
|
| - return 0;
|
| -}
|
|
|