diff options
Diffstat (limited to 'xfa/src/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp')
-rw-r--r-- | xfa/src/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp | 230 |
1 files changed, 115 insertions, 115 deletions
diff --git a/xfa/src/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp b/xfa/src/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp index 8d886201cd..aa6ee72c29 100644 --- a/xfa/src/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp +++ b/xfa/src/fxbarcode/datamatrix/BC_DataMatrixDecoder.cpp @@ -1,115 +1,115 @@ -// 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/src/fxbarcode/barcode.h"
-#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
-#include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h"
-#include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h"
-#include "BC_DataMatrixDecoder.h"
-#include "BC_DataMatrixBitMatrixParser.h"
-#include "BC_DataMatrixVersion.h"
-#include "BC_DataMatrixDataBlock.h"
-#include "BC_DataMatrixDecodedBitStreamParser.h"
-CBC_DataMatrixDecoder::CBC_DataMatrixDecoder() {
- m_rsDecoder = NULL;
-}
-void CBC_DataMatrixDecoder::Init() {
- m_rsDecoder =
- new CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256::DataMatrixField);
-}
-CBC_DataMatrixDecoder::~CBC_DataMatrixDecoder() {
- if (m_rsDecoder != NULL) {
- delete m_rsDecoder;
- }
- m_rsDecoder = NULL;
-}
-CBC_CommonDecoderResult* CBC_DataMatrixDecoder::Decode(
- CBC_CommonBitMatrix* bits,
- int32_t& e) {
- CBC_DataMatrixBitMatrixParser parser;
- parser.Init(bits, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_DataMatrixVersion* version = parser.GetVersion();
- CFX_ByteArray* byteTemp = parser.ReadCodewords(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CFX_ByteArray> codewords(byteTemp);
- CFX_PtrArray* dataBlocks =
- CBC_DataMatrixDataBlock::GetDataBlocks(codewords.get(), version, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- int32_t dataBlocksCount = dataBlocks->GetSize();
- int32_t totalBytes = 0;
- int32_t i, j;
- for (i = 0; i < dataBlocksCount; i++) {
- totalBytes +=
- ((CBC_DataMatrixDataBlock*)(*dataBlocks)[i])->GetNumDataCodewords();
- }
- CFX_ByteArray resultBytes;
- resultBytes.SetSize(totalBytes);
- for (j = 0; j < dataBlocksCount; j++) {
- CFX_ByteArray* codewordBytes =
- ((CBC_DataMatrixDataBlock*)(*dataBlocks)[j])->GetCodewords();
- int32_t numDataCodewords =
- ((CBC_DataMatrixDataBlock*)(*dataBlocks)[j])->GetNumDataCodewords();
- CorrectErrors(*codewordBytes, numDataCodewords, e);
- if (e != BCExceptionNO) {
- for (int32_t i = 0; i < dataBlocks->GetSize(); i++) {
- delete (CBC_DataMatrixDataBlock*)(*dataBlocks)[i];
- }
- delete dataBlocks;
- dataBlocks = NULL;
- return NULL;
- }
- int32_t i;
- for (i = 0; i < numDataCodewords; i++) {
- resultBytes[i * dataBlocksCount + j] = (*codewordBytes)[i];
- }
- }
- for (i = 0; i < (dataBlocks->GetSize()); i++) {
- delete (CBC_DataMatrixDataBlock*)(*dataBlocks)[i];
- }
- delete dataBlocks;
- dataBlocks = NULL;
- CBC_CommonDecoderResult* resultR =
- CBC_DataMatrixDecodedBitStreamParser::Decode(resultBytes, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- 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];
- }
-}
+// 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/src/fxbarcode/barcode.h" +#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h" +#include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h" +#include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h" +#include "BC_DataMatrixDecoder.h" +#include "BC_DataMatrixBitMatrixParser.h" +#include "BC_DataMatrixVersion.h" +#include "BC_DataMatrixDataBlock.h" +#include "BC_DataMatrixDecodedBitStreamParser.h" +CBC_DataMatrixDecoder::CBC_DataMatrixDecoder() { + m_rsDecoder = NULL; +} +void CBC_DataMatrixDecoder::Init() { + m_rsDecoder = + new CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256::DataMatrixField); +} +CBC_DataMatrixDecoder::~CBC_DataMatrixDecoder() { + if (m_rsDecoder != NULL) { + delete m_rsDecoder; + } + m_rsDecoder = NULL; +} +CBC_CommonDecoderResult* CBC_DataMatrixDecoder::Decode( + CBC_CommonBitMatrix* bits, + int32_t& e) { + CBC_DataMatrixBitMatrixParser parser; + parser.Init(bits, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_DataMatrixVersion* version = parser.GetVersion(); + CFX_ByteArray* byteTemp = parser.ReadCodewords(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CFX_ByteArray> codewords(byteTemp); + CFX_PtrArray* dataBlocks = + CBC_DataMatrixDataBlock::GetDataBlocks(codewords.get(), version, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + int32_t dataBlocksCount = dataBlocks->GetSize(); + int32_t totalBytes = 0; + int32_t i, j; + for (i = 0; i < dataBlocksCount; i++) { + totalBytes += + ((CBC_DataMatrixDataBlock*)(*dataBlocks)[i])->GetNumDataCodewords(); + } + CFX_ByteArray resultBytes; + resultBytes.SetSize(totalBytes); + for (j = 0; j < dataBlocksCount; j++) { + CFX_ByteArray* codewordBytes = + ((CBC_DataMatrixDataBlock*)(*dataBlocks)[j])->GetCodewords(); + int32_t numDataCodewords = + ((CBC_DataMatrixDataBlock*)(*dataBlocks)[j])->GetNumDataCodewords(); + CorrectErrors(*codewordBytes, numDataCodewords, e); + if (e != BCExceptionNO) { + for (int32_t i = 0; i < dataBlocks->GetSize(); i++) { + delete (CBC_DataMatrixDataBlock*)(*dataBlocks)[i]; + } + delete dataBlocks; + dataBlocks = NULL; + return NULL; + } + int32_t i; + for (i = 0; i < numDataCodewords; i++) { + resultBytes[i * dataBlocksCount + j] = (*codewordBytes)[i]; + } + } + for (i = 0; i < (dataBlocks->GetSize()); i++) { + delete (CBC_DataMatrixDataBlock*)(*dataBlocks)[i]; + } + delete dataBlocks; + dataBlocks = NULL; + CBC_CommonDecoderResult* resultR = + CBC_DataMatrixDecodedBitStreamParser::Decode(resultBytes, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + 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]; + } +} |