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;
}
CBC_CommonDecoderResult* CBC_QRCoderDecoder::Decode(CBC_CommonBitMatrix* bits,
int32_t byteModeDecode,
int32_t& 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);
int32_t totalBytes = 0;
for (int32_t i = 0; i < dataBlocks->GetSize(); i++) {
totalBytes += ((CBC_QRDataBlock*)((*dataBlocks)[i]))->GetNumDataCodewords();
}
CFX_ByteArray resultBytes;
for (int32_t j = 0; j < dataBlocks->GetSize(); j++) {
CBC_QRDataBlock* dataBlock = (CBC_QRDataBlock*)((*dataBlocks)[j]);
CFX_ByteArray* codewordBytes = dataBlock->GetCodewords();
int32_t numDataCodewords = dataBlock->GetNumDataCodewords();
CorrectErrors(codewordBytes, numDataCodewords, e);
if (e != BCExceptionNO) {
for (int32_t k = 0; k < dataBlocks->GetSize(); k++) {
delete (CBC_QRDataBlock*)(*dataBlocks)[k];
}
dataBlocks->RemoveAll();
delete dataBlocks;
dataBlocks = NULL;
return NULL;
}
for (int32_t i = 0; i < numDataCodewords; i++) {
resultBytes.Add((*codewordBytes)[i]);
}
}
for (int32_t 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;
}
