Organize barcode codes into modules.

xfa/src/fxbarcode/src/BC_QRCoderDecoder.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 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 "barcode.h"
-#include "include/BC_ReedSolomonDecoder.h"
-#include "include/BC_CommonBitMatrix.h"
-#include "include/BC_CommonDecoderResult.h"
-#include "include/BC_QRBitMatrixParser.h"
-#include "include/BC_QRDataBlock.h"
-#include "include/BC_QRDecodedBitStreamParser.h"
-#include "include/BC_QRCoderVersion.h"
-#include "include/BC_QRCoderFormatInformation.h"
-#include "include/BC_ReedSolomonGF256.h"
-#include "include/BC_QRCoderDecoder.h"
-CBC_QRCoderDecoder::CBC_QRCoderDecoder()
-{
-    m_rsDecoder = NULL;
-}
-
-void CBC_QRCoderDecoder::Init()
-{
-    m_rsDecoder = FX_NEW CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256::QRCodeFild);
-}
-CBC_QRCoderDecoder::~CBC_QRCoderDecoder()
-{
-    if(m_rsDecoder != NULL) {
-        delete m_rsDecoder;
-    }
-    m_rsDecoder = NULL;
-}
-CBC_CommonDecoderResult* CBC_QRCoderDecoder::Decode(FX_BOOL* image, FX_INT32 width, FX_INT32 height, FX_INT32 &e)
-{
-    CBC_CommonBitMatrix  bits;
-    bits.Init(width);
-    for(FX_INT32 i = 0; i < width; i++) {
-        for(FX_INT32 j = 0; j < height; j++) {
-            if(image[i * width + j]) {
-                bits.Set(j, i);
-            }
-        }
-    }
-    CBC_CommonDecoderResult* cdr = Decode(&bits, height, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    return cdr;
-}
-CBC_CommonDecoderResult* CBC_QRCoderDecoder::Decode(CBC_CommonBitMatrix* bits, FX_INT32 byteModeDecode, FX_INT32 &e)
-{
-    CBC_QRBitMatrixParser parser;
-    parser.Init(bits, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    CBC_QRCoderVersion *version = parser.ReadVersion(e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    CBC_QRCoderFormatInformation* temp = parser.ReadFormatInformation(e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    CBC_QRCoderErrorCorrectionLevel* ecLevel = temp->GetErrorCorrectionLevel();
-    CFX_ByteArray* ba = parser.ReadCodewords(e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    CBC_AutoPtr<CFX_ByteArray > codewords(ba);
-    CFX_PtrArray *dataBlocks = CBC_QRDataBlock::GetDataBlocks(codewords.get(), version, ecLevel, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    FX_INT32 totalBytes = 0;
-    for (FX_INT32 i = 0; i < dataBlocks->GetSize(); i++) {
-        totalBytes += ((CBC_QRDataBlock*) ((*dataBlocks)[i]))->GetNumDataCodewords();
-    }
-    CFX_ByteArray resultBytes;
-    FX_INT32 resultOffset = 0;
-    for (FX_INT32 j = 0; j < dataBlocks->GetSize(); j++) {
-        CBC_QRDataBlock *dataBlock = (CBC_QRDataBlock *)((*dataBlocks)[j]);
-        CFX_ByteArray* codewordBytes = dataBlock->GetCodewords();
-        FX_INT32 numDataCodewords = dataBlock->GetNumDataCodewords();
-        CorrectErrors(codewordBytes, numDataCodewords, e);
-        if (e != BCExceptionNO) {
-            for(FX_INT32 k = 0; k < dataBlocks->GetSize(); k++) {
-                delete (CBC_QRDataBlock*)(*dataBlocks)[k];
-            }
-            dataBlocks->RemoveAll();
-            delete dataBlocks;
-            dataBlocks = NULL;
-            return NULL;
-        }
-        for(FX_INT32 i = 0; i < numDataCodewords; i++) {
-            resultBytes.Add((*codewordBytes)[i]);
-        }
-    }
-    for(FX_INT32 k = 0; k < dataBlocks->GetSize(); k++) {
-        delete  (CBC_QRDataBlock*)(*dataBlocks)[k] ;
-    }
-    dataBlocks->RemoveAll();
-    delete dataBlocks;
-    dataBlocks = NULL;
-    CBC_CommonDecoderResult* cdr = CBC_QRDecodedBitStreamParser::Decode(&resultBytes, version, ecLevel, byteModeDecode, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    return cdr;
-}
-void CBC_QRCoderDecoder::CorrectErrors(CFX_ByteArray* codewordBytes, FX_INT32 numDataCodewords, FX_INT32 &e)
-{
-    FX_INT32 numCodewords = codewordBytes->GetSize();
-    CFX_Int32Array codewordsInts;
-    codewordsInts.SetSize(numCodewords);
-    for(FX_INT32 i = 0; i < numCodewords; i++) {
-        codewordsInts[i] = (FX_INT32)((*codewordBytes)[i] & 0xff);
-    }
-    FX_INT32 numECCodewords = codewordBytes->GetSize() - numDataCodewords;
-    m_rsDecoder->Decode(&codewordsInts, numECCodewords, e);
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-    for(FX_INT32 k = 0; k < numDataCodewords; k++) {
-        (*codewordBytes)[k] = (FX_BYTE) codewordsInts[k];
-    }
-}