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authordsinclair <dsinclair@chromium.org>2016-06-16 12:29:07 -0700
committerCommit bot <commit-bot@chromium.org>2016-06-16 12:29:07 -0700
commita26153440b46b3b37b7e81435debb296f22769f4 (patch)
tree37b3073d15af7ae2850b5a02be87123feb54a054 /xfa/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp
parent8320ee28f24615d1d619a5db1b7c235ea6f91dde (diff)
downloadpdfium-a26153440b46b3b37b7e81435debb296f22769f4.tar.xz
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
Diffstat (limited to 'xfa/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp')
-rw-r--r--xfa/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp109
1 files changed, 0 insertions, 109 deletions
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp b/xfa/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp
deleted file mode 100644
index 5bfd51b09a..0000000000
--- a/xfa/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp
+++ /dev/null
@@ -1,109 +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 2007 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/datamatrix/BC_DataMatrixDecoder.h"
-
-#include <memory>
-
-#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
-#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h"
-#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h"
-#include "xfa/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.h"
-#include "xfa/fxbarcode/datamatrix/BC_DataMatrixDataBlock.h"
-#include "xfa/fxbarcode/datamatrix/BC_DataMatrixDecodedBitStreamParser.h"
-#include "xfa/fxbarcode/datamatrix/BC_DataMatrixVersion.h"
-
-CBC_DataMatrixDecoder::CBC_DataMatrixDecoder() {
- m_rsDecoder = nullptr;
-}
-void CBC_DataMatrixDecoder::Init() {
- m_rsDecoder =
- new CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256::DataMatrixField);
-}
-CBC_DataMatrixDecoder::~CBC_DataMatrixDecoder() {
- delete m_rsDecoder;
-}
-
-CBC_CommonDecoderResult* CBC_DataMatrixDecoder::Decode(
- CBC_CommonBitMatrix* bits,
- int32_t& e) {
- CBC_DataMatrixBitMatrixParser parser;
- parser.Init(bits, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- CBC_DataMatrixVersion* version = parser.GetVersion();
- std::unique_ptr<CFX_ByteArray> codewords(parser.ReadCodewords(e));
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- CFX_ArrayTemplate<CBC_DataMatrixDataBlock*>* dataBlocks =
- CBC_DataMatrixDataBlock::GetDataBlocks(codewords.get(), version, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- int32_t dataBlocksCount = dataBlocks->GetSize();
- int32_t totalBytes = 0;
- for (int32_t i = 0; i < dataBlocksCount; i++) {
- totalBytes += (*dataBlocks)[i]->GetNumDataCodewords();
- }
- CFX_ByteArray resultBytes;
- resultBytes.SetSize(totalBytes);
- for (int32_t j = 0; j < dataBlocksCount; j++) {
- CFX_ByteArray* codewordBytes = (*dataBlocks)[j]->GetCodewords();
- int32_t numDataCodewords = (*dataBlocks)[j]->GetNumDataCodewords();
- CorrectErrors(*codewordBytes, numDataCodewords, e);
- if (e != BCExceptionNO) {
- for (int32_t i = 0; i < dataBlocks->GetSize(); i++) {
- delete (*dataBlocks)[i];
- }
- delete dataBlocks;
- return nullptr;
- }
- for (int32_t i = 0; i < numDataCodewords; i++) {
- resultBytes[i * dataBlocksCount + j] = (*codewordBytes)[i];
- }
- }
- for (int32_t i = 0; i < (dataBlocks->GetSize()); i++) {
- delete (*dataBlocks)[i];
- }
- delete dataBlocks;
- CBC_CommonDecoderResult* resultR =
- CBC_DataMatrixDecodedBitStreamParser::Decode(resultBytes, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- return resultR;
-}
-
-void CBC_DataMatrixDecoder::CorrectErrors(CFX_ByteArray& codewordBytes,
- int32_t numDataCodewords,
- int32_t& e) {
- int32_t numCodewords = codewordBytes.GetSize();
- CFX_Int32Array codewordsInts;
- codewordsInts.SetSize(numCodewords);
- int32_t i;
- for (i = 0; i < numCodewords; i++) {
- codewordsInts[i] = codewordBytes[i] & 0xFF;
- }
- int32_t numECCodewords = codewordBytes.GetSize() - numDataCodewords;
- m_rsDecoder->Decode(&codewordsInts, numECCodewords, e);
- if (e != BCExceptionNO) {
- e = BCExceptionChecksumException;
- return;
- }
- for (i = 0; i < numDataCodewords; i++) {
- codewordBytes[i] = (uint8_t)codewordsInts[i];
- }
-}