From a26153440b46b3b37b7e81435debb296f22769f4 Mon Sep 17 00:00:00 2001 From: dsinclair Date: Thu, 16 Jun 2016 12:29:07 -0700 Subject: Remove barcode reading code. We never read barcodes, we only write them. Remove code related to barcode reading. Review-Url: https://codereview.chromium.org/2071633002 --- xfa/fxbarcode/oned/BC_OnedCodaBarReader.cpp | 213 ---------------------------- 1 file changed, 213 deletions(-) delete mode 100644 xfa/fxbarcode/oned/BC_OnedCodaBarReader.cpp (limited to 'xfa/fxbarcode/oned/BC_OnedCodaBarReader.cpp') diff --git a/xfa/fxbarcode/oned/BC_OnedCodaBarReader.cpp b/xfa/fxbarcode/oned/BC_OnedCodaBarReader.cpp deleted file mode 100644 index 0fa0e9a29b..0000000000 --- a/xfa/fxbarcode/oned/BC_OnedCodaBarReader.cpp +++ /dev/null @@ -1,213 +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_OnedCodaBarReader.h" - -#include -#include - -#include "core/fxcrt/include/fx_basic.h" -#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_OnedCode39Reader.h" -#include "xfa/fxbarcode/utils.h" - -const FX_CHAR* CBC_OnedCodaBarReader::ALPHABET_STRING = - "0123456789-$:/.+ABCDTN"; -const int32_t CBC_OnedCodaBarReader::CHARACTER_ENCODINGS[22] = { - 0x003, 0x006, 0x009, 0x060, 0x012, 0x042, 0x021, 0x024, - 0x030, 0x048, 0x00c, 0x018, 0x045, 0x051, 0x054, 0x015, - 0x01A, 0x029, 0x00B, 0x00E, 0x01A, 0x029}; -const FX_CHAR CBC_OnedCodaBarReader::STARTEND_ENCODING[8] = { - 'E', '*', 'A', 'B', 'C', 'D', 'T', 'N'}; - -CBC_OnedCodaBarReader::CBC_OnedCodaBarReader() {} -CBC_OnedCodaBarReader::~CBC_OnedCodaBarReader() {} -CFX_ByteString CBC_OnedCodaBarReader::DecodeRow(int32_t rowNumber, - CBC_CommonBitArray* row, - int32_t hints, - int32_t& e) { - std::unique_ptr start(FindAsteriskPattern(row, e)); - BC_EXCEPTION_CHECK_ReturnValue(e, ""); - (*start)[1] = 0; - int32_t nextStart = (*start)[1]; - int32_t end = row->GetSize(); - while (nextStart < end && !row->Get(nextStart)) { - nextStart++; - } - CFX_ByteString result; - CFX_Int32Array counters; - counters.SetSize(7); - FX_CHAR decodedChar; - int32_t lastStart; - do { - RecordPattern(row, nextStart, &counters, e); - BC_EXCEPTION_CHECK_ReturnValue(e, ""); - decodedChar = ToNarrowWidePattern(&counters); - if (decodedChar == '!') { - e = BCExceptionNotFound; - return ""; - } - result += decodedChar; - lastStart = nextStart; - for (int32_t i = 0; i < counters.GetSize(); i++) { - nextStart += counters[i]; - } - while (nextStart < end && !row->Get(nextStart)) { - nextStart++; - } - } while (nextStart < end); - int32_t lastPatternSize = 0; - for (int32_t j = 0; j < counters.GetSize(); j++) { - lastPatternSize += counters[j]; - } - int32_t whiteSpaceAfterEnd = nextStart - lastStart - lastPatternSize; - if (nextStart != end && (whiteSpaceAfterEnd / 2 < lastPatternSize)) { - e = BCExceptionNotFound; - return ""; - } - if (result.GetLength() < 2) { - e = BCExceptionNotFound; - return ""; - } - FX_CHAR startchar = result[0]; - if (!ArrayContains(STARTEND_ENCODING, startchar)) { - e = BCExceptionNotFound; - return ""; - } - int32_t len = result.GetLength(); - CFX_ByteString temp = result; - for (int32_t k = 1; k < result.GetLength(); k++) { - if (ArrayContains(STARTEND_ENCODING, result[k])) { - if ((k + 1) != result.GetLength()) { - result.Delete(1, k); - k = 1; - } - } - } - if (result.GetLength() < 5) { - int32_t index = - temp.Find(result.Mid(1, result.GetLength() - 1).AsStringC()); - if (index == len - (result.GetLength() - 1)) { - e = BCExceptionNotFound; - return ""; - } - } - if (result.GetLength() > minCharacterLength) { - result = result.Mid(1, result.GetLength() - 2); - } else { - e = BCExceptionNotFound; - return ""; - } - return result; -} -CFX_Int32Array* CBC_OnedCodaBarReader::FindAsteriskPattern( - 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(7); - 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) { - if (ArrayContains(STARTEND_ENCODING, ToNarrowWidePattern(&counters))) { - FX_BOOL btemp3 = - row->IsRange(std::max(0, patternStart - (i - patternStart) / 2), - patternStart, FALSE, e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - if (btemp3) { - CFX_Int32Array* result = new CFX_Int32Array(); - result->SetSize(2); - (*result)[0] = patternStart; - (*result)[1] = i; - 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; -} -FX_BOOL CBC_OnedCodaBarReader::ArrayContains(const FX_CHAR array[], - FX_CHAR key) { - for (int32_t i = 0; i < 8; i++) { - if (array[i] == key) { - return TRUE; - } - } - return FALSE; -} -FX_CHAR CBC_OnedCodaBarReader::ToNarrowWidePattern(CFX_Int32Array* counter) { - int32_t numCounters = counter->GetSize(); - if (numCounters < 1) { - return '!'; - } - int32_t averageCounter = 0; - int32_t totalCounters = 0; - for (int32_t i = 0; i < numCounters; i++) { - totalCounters += (*counter)[i]; - } - averageCounter = totalCounters / numCounters; - int32_t pattern = 0; - int32_t wideCounters = 0; - for (int32_t j = 0; j < numCounters; j++) { - if ((*counter)[j] > averageCounter) { - pattern |= 1 << (numCounters - 1 - j); - wideCounters++; - } - } - if ((wideCounters == 2) || (wideCounters == 3)) { - for (int32_t k = 0; k < 22; k++) { - if (CHARACTER_ENCODINGS[k] == pattern) { - return (ALPHABET_STRING)[k]; - } - } - } - return '!'; -} -- cgit v1.2.3