Organize barcode codes into modules.

xfa/src/fxbarcode/src/BC_DataMatrixDecoder.cpp

-// 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 "barcode.h"
-#include "include/BC_DataMatrixDecoder.h"
-#include "include/BC_ReedSolomonDecoder.h"
-#include "include/BC_ReedSolomonGF256.h"
-#include "include/BC_CommonBitMatrix.h"
-#include "include/BC_DataMatrixBitMatrixParser.h"
-#include "include/BC_DataMatrixVersion.h"
-#include "include/BC_DataMatrixDataBlock.h"
-#include "include/BC_DataMatrixDecodedBitStreamParser.h"
-CBC_DataMatrixDecoder::CBC_DataMatrixDecoder()
-{
-    m_rsDecoder = NULL;
-}
-void CBC_DataMatrixDecoder::Init()
-{
-    m_rsDecoder = FX_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, FX_INT32 &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);
-    FX_INT32 dataBlocksCount = dataBlocks->GetSize();
-    FX_INT32 totalBytes = 0;
-    FX_INT32 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();
-        FX_INT32 numDataCodewords = ((CBC_DataMatrixDataBlock*)(*dataBlocks)[j])->GetNumDataCodewords();
-        CorrectErrors(*codewordBytes, numDataCodewords, e);
-        if (e != BCExceptionNO) {
-            for(FX_INT32 i = 0; i < dataBlocks->GetSize(); i++) {
-                delete (CBC_DataMatrixDataBlock*)(*dataBlocks)[i];
-            }
-            delete dataBlocks;
-            dataBlocks = NULL;
-            return NULL;
-        }
-        FX_INT32 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, FX_INT32 numDataCodewords, FX_INT32 &e)
-{
-    FX_INT32 numCodewords = codewordBytes.GetSize();
-    CFX_Int32Array codewordsInts;
-    codewordsInts.SetSize(numCodewords);
-    FX_INT32 i;
-    for (i = 0; i < numCodewords; i++) {
-        codewordsInts[i] = codewordBytes[i] & 0xFF;
-    }
-    FX_INT32 numECCodewords = codewordBytes.GetSize() - numDataCodewords;
-    m_rsDecoder->Decode(&codewordsInts, numECCodewords, e);
-    if (e != BCExceptionNO) {
-        e = BCExceptionChecksumException;
-        return ;
-    }
-    for (i = 0; i < numDataCodewords; i++) {
-        codewordBytes[i] = (FX_BYTE) codewordsInts[i];
-    }
-}