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Diffstat (limited to 'xfa/fxbarcode/oned/BC_OneDimReader.cpp')
-rw-r--r--xfa/fxbarcode/oned/BC_OneDimReader.cpp217
1 files changed, 0 insertions, 217 deletions
diff --git a/xfa/fxbarcode/oned/BC_OneDimReader.cpp b/xfa/fxbarcode/oned/BC_OneDimReader.cpp
deleted file mode 100644
index e413adb6a4..0000000000
--- a/xfa/fxbarcode/oned/BC_OneDimReader.cpp
+++ /dev/null
@@ -1,217 +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/fxbarcode/oned/BC_OneDimReader.h"
-
-#include <memory>
-
-#include "xfa/fxbarcode/BC_Reader.h"
-#include "xfa/fxbarcode/common/BC_CommonBitArray.h"
-#include "xfa/fxbarcode/oned/BC_OneDReader.h"
-#include "xfa/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},
- {1, 2, 3, 1}, {1, 1, 1, 4}, {1, 3, 1, 2}, {1, 2, 1, 3}, {3, 1, 1, 2},
- {1, 1, 2, 3}, {1, 2, 2, 2}, {2, 2, 1, 2}, {1, 1, 4, 1}, {2, 3, 1, 1},
- {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,
- int32_t& e) {
- FX_BOOL foundStart = FALSE;
- CFX_Int32Array* startRange = nullptr;
- 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, nullptr);
- int32_t start = (*startRange)[0];
- nextStart = (*startRange)[1];
- if (start <= 1) {
- break;
- }
- int32_t quietStart = start - (nextStart - start);
- if (quietStart >= 0) {
- FX_BOOL booT = row->IsRange(quietStart, start, FALSE, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- foundStart = booT;
- }
- }
- return startRange;
-}
-CFX_ByteString CBC_OneDimReader::DecodeRow(int32_t rowNumber,
- CBC_CommonBitArray* row,
- int32_t hints,
- int32_t& e) {
- std::unique_ptr<CFX_Int32Array> result(FindStartGuardPattern(row, e));
- BC_EXCEPTION_CHECK_ReturnValue(e, "");
- CFX_ByteString temp = DecodeRow(rowNumber, row, result.get(), hints, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, "");
- return temp;
-}
-CFX_ByteString CBC_OneDimReader::DecodeRow(int32_t rowNumber,
- CBC_CommonBitArray* row,
- CFX_Int32Array* startGuardRange,
- int32_t hints,
- int32_t& e) {
- CFX_ByteString result;
- DecodeMiddle(row, startGuardRange, result, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, "");
- FX_BOOL b = CheckChecksum(result, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, "");
- if (!b) {
- e = BCExceptionChecksumException;
- return "";
- }
- return result;
-}
-FX_BOOL CBC_OneDimReader::CheckChecksum(CFX_ByteString& s, int32_t& e) {
- FX_BOOL temp = CheckStandardUPCEANChecksum(s, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
- return temp;
-}
-FX_BOOL CBC_OneDimReader::CheckStandardUPCEANChecksum(CFX_ByteString& s,
- int32_t& e) {
- int32_t length = s.GetLength();
- if (length == 0) {
- return FALSE;
- }
- int32_t sum = 0;
- for (int32_t i = length - 2; i >= 0; i -= 2) {
- int32_t digit = (int32_t)s[i] - (int32_t)'0';
- if (digit < 0 || digit > 9) {
- e = BCExceptionFormatException;
- return FALSE;
- }
- sum += digit;
- }
- sum *= 3;
- for (int32_t j = length - 1; j >= 0; j -= 2) {
- 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,
- int32_t& e) {
- CFX_Int32Array startEndPattern;
- startEndPattern.Add(START_END_PATTERN[0]);
- startEndPattern.Add(START_END_PATTERN[1]);
- startEndPattern.Add(START_END_PATTERN[2]);
- CFX_Int32Array* FindGuard =
- FindGuardPattern(row, endStart, FALSE, &startEndPattern, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- return FindGuard;
-}
-CFX_Int32Array* CBC_OneDimReader::FindGuardPattern(CBC_CommonBitArray* row,
- int32_t rowOffset,
- FX_BOOL whiteFirst,
- CFX_Int32Array* pattern,
- int32_t& e) {
- 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, nullptr);
- return nullptr;
-}
-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;
- }
- e = BCExceptionNotFound;
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 12:49:10 +0000