int32_t CBC_DecodedBitStreamPaser::textCompaction(CFX_Int32Array& codewords,
int32_t codeIndex,
CFX_ByteString& result) {
CFX_Int32Array textCompactionData;
textCompactionData.SetSize((codewords[0] - codeIndex) << 1);
CFX_Int32Array byteCompactionData;
byteCompactionData.SetSize((codewords[0] - codeIndex) << 1);
int32_t index = 0;
FX_BOOL end = FALSE;
while ((codeIndex < codewords[0]) && !end) {
int32_t code = codewords[codeIndex++];
if (code < TEXT_COMPACTION_MODE_LATCH) {
textCompactionData[index] = code / 30;
textCompactionData[index + 1] = code % 30;
index += 2;
} else {
switch (code) {
case TEXT_COMPACTION_MODE_LATCH:
textCompactionData[index++] = TEXT_COMPACTION_MODE_LATCH;
break;
case BYTE_COMPACTION_MODE_LATCH:
codeIndex--;
end = TRUE;
break;
case NUMERIC_COMPACTION_MODE_LATCH:
codeIndex--;
end = TRUE;
break;
case BEGIN_MACRO_PDF417_CONTROL_BLOCK:
codeIndex--;
end = TRUE;
break;
case BEGIN_MACRO_PDF417_OPTIONAL_FIELD:
codeIndex--;
end = TRUE;
break;
case MACRO_PDF417_TERMINATOR:
codeIndex--;
end = TRUE;
break;
case MODE_SHIFT_TO_BYTE_COMPACTION_MODE:
textCompactionData[index] = MODE_SHIFT_TO_BYTE_COMPACTION_MODE;
code = codewords[codeIndex++];
byteCompactionData[index] = code;
index++;
break;
case BYTE_COMPACTION_MODE_LATCH_6:
codeIndex--;
end = TRUE;
break;
}
}
}
decodeTextCompaction(textCompactionData, byteCompactionData, index, result);
return codeIndex;
}
int32_t CBC_DecodedBitStreamPaser::decodeMacroBlock(
CFX_Int32Array& codewords,
int32_t codeIndex,
CBC_PDF417ResultMetadata* resultMetadata,
int32_t& e) {
if (codeIndex + NUMBER_OF_SEQUENCE_CODEWORDS > codewords[0]) {
e = BCExceptionFormatInstance;
return -1;
}
CFX_Int32Array segmentIndexArray;
segmentIndexArray.SetSize(NUMBER_OF_SEQUENCE_CODEWORDS);
for (int32_t i = 0; i < NUMBER_OF_SEQUENCE_CODEWORDS; i++, codeIndex++) {
segmentIndexArray.SetAt(i, codewords[codeIndex]);
}
CFX_ByteString str =
decodeBase900toBase10(segmentIndexArray, NUMBER_OF_SEQUENCE_CODEWORDS, e);
BC_EXCEPTION_CHECK_ReturnValue(e, -1);
resultMetadata->setSegmentIndex(atoi(str.GetBuffer(str.GetLength())));
CFX_ByteString fileId;
codeIndex = textCompaction(codewords, codeIndex, fileId);
resultMetadata->setFileId(fileId);
if (codewords[codeIndex] == BEGIN_MACRO_PDF417_OPTIONAL_FIELD) {
codeIndex++;
CFX_Int32Array additionalOptionCodeWords;
additionalOptionCodeWords.SetSize(codewords[0] - codeIndex);
int32_t additionalOptionCodeWordsIndex = 0;
FX_BOOL end = FALSE;
while ((codeIndex < codewords[0]) && !end) {
int32_t code = codewords[codeIndex++];
if (code < TEXT_COMPACTION_MODE_LATCH) {
additionalOptionCodeWords[additionalOptionCodeWordsIndex++] = code;
} else {
switch (code) {
case MACRO_PDF417_TERMINATOR:
resultMetadata->setLastSegment(TRUE);
codeIndex++;
end = TRUE;
break;
default:
e = BCExceptionFormatInstance;
return -1;
}
}
}
CFX_Int32Array array;
array.SetSize(additionalOptionCodeWordsIndex);
array.Copy(additionalOptionCodeWords);
resultMetadata->setOptionalData(array);
} else if (codewords[codeIndex] == MACRO_PDF417_TERMINATOR) {
resultMetadata->setLastSegment(TRUE);
codeIndex++;
}
return codeIndex;
}
CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Multiply(
CBC_ReedSolomonGF256Poly* other,
int32_t& e) {
if (IsZero() || other->IsZero()) {
CBC_ReedSolomonGF256Poly* temp = m_field->GetZero()->Clone(e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
return temp;
}
CFX_Int32Array aCoefficients;
aCoefficients.Copy(m_coefficients);
int32_t aLength = m_coefficients.GetSize();
CFX_Int32Array bCoefficients;
bCoefficients.Copy(*(other->GetCoefficients()));
int32_t bLength = other->GetCoefficients()->GetSize();
CFX_Int32Array product;
product.SetSize(aLength + bLength - 1);
for (int32_t i = 0; i < aLength; i++) {
int32_t aCoeff = m_coefficients[i];
for (int32_t j = 0; j < bLength; j++) {
product[i + j] = CBC_ReedSolomonGF256::AddOrSubtract(
product[i + j],
m_field->Multiply(aCoeff, other->GetCoefficients()->operator[](j)));
}
}
CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
temp->Init(m_field, &product, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
return temp;
}
CFX_Int32Array* CBC_ReedSolomonDecoder::FindErrorLocations(
CBC_ReedSolomonGF256Poly* errorLocator,
int32_t& e) {
int32_t numErrors = errorLocator->GetDegree();
if (numErrors == 1) {
CBC_AutoPtr<CFX_Int32Array> temp(new CFX_Int32Array);
temp->Add(errorLocator->GetCoefficients(1));
return temp.release();
}
CFX_Int32Array* tempT = new CFX_Int32Array;
tempT->SetSize(numErrors);
CBC_AutoPtr<CFX_Int32Array> result(tempT);
int32_t ie = 0;
for (int32_t i = 1; i < 256 && ie < numErrors; i++) {
if (errorLocator->EvaluateAt(i) == 0) {
(*result)[ie] = m_field->Inverse(i, ie);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
ie++;
}
}
if (ie != numErrors) {
e = BCExceptionDegreeNotMatchRoots;
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
}
return result.release();
}
CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::AddOrSubtract(
CBC_ReedSolomonGF256Poly* other,
int32_t& e) {
if (IsZero())
return other->Clone(e);
if (other->IsZero())
return Clone(e);
CFX_Int32Array smallerCoefficients;
smallerCoefficients.Copy(m_coefficients);
CFX_Int32Array largerCoefficients;
largerCoefficients.Copy(*(other->GetCoefficients()));
if (smallerCoefficients.GetSize() > largerCoefficients.GetSize()) {
CFX_Int32Array temp;
temp.Copy(smallerCoefficients);
smallerCoefficients.Copy(largerCoefficients);
largerCoefficients.Copy(temp);
}
CFX_Int32Array sumDiff;
sumDiff.SetSize(largerCoefficients.GetSize());
int32_t lengthDiff =
largerCoefficients.GetSize() - smallerCoefficients.GetSize();
for (int32_t i = 0; i < lengthDiff; i++) {
sumDiff[i] = largerCoefficients[i];
}
for (int32_t j = lengthDiff; j < largerCoefficients.GetSize(); j++) {
sumDiff[j] = (CBC_ReedSolomonGF256::AddOrSubtract(
smallerCoefficients[j - lengthDiff], largerCoefficients[j]));
}
CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
temp->Init(m_field, &sumDiff, e);
BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
return temp;
}
CFX_Int32Array* CBC_ReedSolomonDecoder::FindErrorMagnitudes(
CBC_ReedSolomonGF256Poly* errorEvaluator,
CFX_Int32Array* errorLocations,
FX_BOOL dataMatrix,
int32_t& e) {
int32_t s = errorLocations->GetSize();
CFX_Int32Array* temp = new CFX_Int32Array;
temp->SetSize(s);
CBC_AutoPtr<CFX_Int32Array> result(temp);
for (int32_t i = 0; i < s; i++) {
int32_t xiInverse = m_field->Inverse(errorLocations->operator[](i), e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
int32_t denominator = 1;
for (int32_t j = 0; j < s; j++) {
if (i != j) {
denominator = m_field->Multiply(
denominator, CBC_ReedSolomonGF256::AddOrSubtract(
1, m_field->Multiply(errorLocations->operator[](j),
xiInverse)));
}
}
int32_t temp = m_field->Inverse(denominator, temp);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
(*result)[i] =
m_field->Multiply(errorEvaluator->EvaluateAt(xiInverse), temp);
}
return result.release();
}
CFX_WideString CBC_ErrorCorrection::encodeECC200(CFX_WideString codewords,
CBC_SymbolInfo* symbolInfo,
int32_t& e) {
if (codewords.GetLength() != symbolInfo->m_dataCapacity) {
e = BCExceptionIllegalArgument;
return (FX_WCHAR*)"";
}
CFX_WideString sb;
sb += codewords;
int32_t blockCount = symbolInfo->getInterleavedBlockCount();
if (blockCount == 1) {
CFX_WideString ecc =
createECCBlock(codewords, symbolInfo->m_errorCodewords, e);
BC_EXCEPTION_CHECK_ReturnValue(e, (FX_WCHAR*)"");
sb += ecc;
} else {
CFX_Int32Array dataSizes;
dataSizes.SetSize(blockCount);
CFX_Int32Array errorSizes;
errorSizes.SetSize(blockCount);
CFX_Int32Array startPos;
startPos.SetSize(blockCount);
for (int32_t i = 0; i < blockCount; i++) {
dataSizes[i] = symbolInfo->getDataLengthForInterleavedBlock(i + 1);
errorSizes[i] = symbolInfo->getErrorLengthForInterleavedBlock(i + 1);
startPos[i] = 0;
if (i > 0) {
startPos[i] = startPos[i - 1] + dataSizes[i];
}
}
for (int32_t block = 0; block < blockCount; block++) {
CFX_WideString temp;
for (int32_t d = block; d < symbolInfo->m_dataCapacity; d += blockCount) {
temp += (FX_WCHAR)codewords.GetAt(d);
}
CFX_WideString ecc = createECCBlock(temp, errorSizes[block], e);
BC_EXCEPTION_CHECK_ReturnValue(e, (FX_WCHAR*)"");
int32_t pos = 0;
for (int32_t l = block; l < errorSizes[block] * blockCount;
l += blockCount) {
sb.SetAt(symbolInfo->m_dataCapacity + l, ecc.GetAt(pos++));
}
}
}
return sb;
}
void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received,
int32_t twoS,
int32_t& e) {
CBC_ReedSolomonGF256Poly poly;
poly.Init(m_field, received, e);
BC_EXCEPTION_CHECK_ReturnVoid(e);
CFX_Int32Array syndromeCoefficients;
syndromeCoefficients.SetSize(twoS);
FX_BOOL dataMatrix = FALSE;
FX_BOOL noError = TRUE;
for (int32_t i = 0; i < twoS; i++) {
int32_t eval = poly.EvaluateAt(m_field->Exp(dataMatrix ? i + 1 : i));
syndromeCoefficients[twoS - 1 - i] = eval;
if (eval != 0) {
noError = FALSE;
}
}
if (noError) {
return;
}
CBC_ReedSolomonGF256Poly syndrome;
syndrome.Init(m_field, &syndromeCoefficients, e);
BC_EXCEPTION_CHECK_ReturnVoid(e);
CBC_ReedSolomonGF256Poly* rsg = m_field->BuildMonomial(twoS, 1, e);
BC_EXCEPTION_CHECK_ReturnVoid(e);
CBC_AutoPtr<CBC_ReedSolomonGF256Poly> temp(rsg);
CFX_PtrArray* pa = RunEuclideanAlgorithm(temp.get(), &syndrome, twoS, e);
BC_EXCEPTION_CHECK_ReturnVoid(e);
CBC_AutoPtr<CFX_PtrArray> sigmaOmega(pa);
CBC_AutoPtr<CBC_ReedSolomonGF256Poly> sigma(
(CBC_ReedSolomonGF256Poly*)(*sigmaOmega)[0]);
CBC_AutoPtr<CBC_ReedSolomonGF256Poly> omega(
(CBC_ReedSolomonGF256Poly*)(*sigmaOmega)[1]);
CFX_Int32Array* ia1 = FindErrorLocations(sigma.get(), e);
BC_EXCEPTION_CHECK_ReturnVoid(e);
CBC_AutoPtr<CFX_Int32Array> errorLocations(ia1);
CFX_Int32Array* ia2 =
FindErrorMagnitudes(omega.get(), errorLocations.get(), dataMatrix, e);
BC_EXCEPTION_CHECK_ReturnVoid(e);
CBC_AutoPtr<CFX_Int32Array> errorMagnitudes(ia2);
for (int32_t k = 0; k < errorLocations->GetSize(); k++) {
int32_t position =
received->GetSize() - 1 - m_field->Log((*errorLocations)[k], e);
BC_EXCEPTION_CHECK_ReturnVoid(e);
if (position < 0) {
e = BCExceptionBadErrorLocation;
BC_EXCEPTION_CHECK_ReturnVoid(e);
}
(*received)[position] = CBC_ReedSolomonGF256::AddOrSubtract(
(*received)[position], (*errorMagnitudes)[k]);
}
}
void CBC_QRCoderDecoder::CorrectErrors(CFX_ByteArray* codewordBytes,
int32_t numDataCodewords,
int32_t& e) {
int32_t numCodewords = codewordBytes->GetSize();
CFX_Int32Array codewordsInts;
codewordsInts.SetSize(numCodewords);
for (int32_t i = 0; i < numCodewords; i++) {
codewordsInts[i] = (int32_t)((*codewordBytes)[i] & 0xff);
}
int32_t numECCodewords = codewordBytes->GetSize() - numDataCodewords;
m_rsDecoder->Decode(&codewordsInts, numECCodewords, e);
BC_EXCEPTION_CHECK_ReturnVoid(e);
for (int32_t k = 0; k < numDataCodewords; k++) {
(*codewordBytes)[k] = (uint8_t)codewordsInts[k];
}
}
CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Multiply(int32_t scalar,
int32_t& e) {
if (scalar == 0)
return m_field->GetZero()->Clone(e);
if (scalar == 1)
return Clone(e);
int32_t size = m_coefficients.GetSize();
CFX_Int32Array product;
product.SetSize(size);
for (int32_t i = 0; i < size; i++) {
product[i] = m_field->Multiply(m_coefficients[i], scalar);
}
CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
temp->Init(m_field, &product, e);
BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
return temp;
}
CFX_Int32Array* CBC_DetectionResultRowIndicatorColumn::getRowHeights(
int32_t& e) {
CBC_BarcodeMetadata* barcodeMetadata = getBarcodeMetadata();
if (barcodeMetadata == NULL) {
e = BCExceptionCannotMetadata;
return NULL;
}
adjustIncompleteIndicatorColumnRowNumbers(*barcodeMetadata);
CFX_Int32Array* result = new CFX_Int32Array;
result->SetSize(barcodeMetadata->getRowCount());
for (int32_t i = 0; i < getCodewords()->GetSize(); i++) {
CBC_Codeword* codeword = (CBC_Codeword*)getCodewords()->GetAt(i);
if (codeword != NULL) {
result->SetAt(codeword->getRowNumber(),
result->GetAt(codeword->getRowNumber()) + 1);
}
}
return result;
}
CFX_Int32Array* CBC_PDF417CodewordDecoder::sampleBitCounts(
CFX_Int32Array& moduleBitCount) {
FX_FLOAT bitCountSum =
(FX_FLOAT)CBC_PDF417Common::getBitCountSum(moduleBitCount);
CFX_Int32Array* bitCount = new CFX_Int32Array();
bitCount->SetSize(CBC_PDF417Common::BARS_IN_MODULE);
int32_t bitCountIndex = 0;
int32_t sumPreviousBits = 0;
for (int32_t i = 0; i < CBC_PDF417Common::MODULES_IN_CODEWORD; i++) {
FX_FLOAT sampleIndex =
bitCountSum / (2 * CBC_PDF417Common::MODULES_IN_CODEWORD) +
(i * bitCountSum) / CBC_PDF417Common::MODULES_IN_CODEWORD;
if (sumPreviousBits + moduleBitCount.GetAt(bitCountIndex) <= sampleIndex) {
sumPreviousBits += moduleBitCount.GetAt(bitCountIndex);
bitCountIndex++;
}
bitCount->SetAt(bitCountIndex, bitCount->GetAt(bitCountIndex) + 1);
}
return bitCount;
}
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];
}
}
void CBC_DataMatrixDecodedBitStreamParser::DecodeAnsiX12Segment(
CBC_CommonBitSource* bits,
CFX_ByteString& result,
int32_t& e) {
CFX_Int32Array cValues;
cValues.SetSize(3);
do {
if (bits->Available() == 8) {
return;
}
int32_t firstByte = bits->ReadBits(8, e);
BC_EXCEPTION_CHECK_ReturnVoid(e);
if (firstByte == 254) {
return;
}
int32_t iTemp1 = bits->ReadBits(8, e);
BC_EXCEPTION_CHECK_ReturnVoid(e);
ParseTwoBytes(firstByte, iTemp1, cValues);
int32_t i;
for (i = 0; i < 3; i++) {
int32_t cValue = cValues[i];
if (cValue == 0) {
BC_FX_ByteString_Append(result, 1, '\r');
} else if (cValue == 1) {
BC_FX_ByteString_Append(result, 1, '*');
} else if (cValue == 2) {
BC_FX_ByteString_Append(result, 1, '>');
} else if (cValue == 3) {
BC_FX_ByteString_Append(result, 1, ' ');
} else if (cValue < 14) {
BC_FX_ByteString_Append(result, 1, (FX_CHAR)(cValue + 44));
} else if (cValue < 40) {
BC_FX_ByteString_Append(result, 1, (FX_CHAR)(cValue + 51));
} else {
e = BCExceptionFormatException;
return;
}
}
} while (bits->Available() > 0);
}
int32_t CBC_DecodedBitStreamPaser::byteCompaction(int32_t mode,
CFX_Int32Array& codewords,
int32_t codeIndex,
CFX_ByteString& result) {
if (mode == BYTE_COMPACTION_MODE_LATCH) {
int32_t count = 0;
int64_t value = 0;
FX_WORD* decodedData = FX_Alloc(FX_WORD, 6);
CFX_Int32Array byteCompactedCodewords;
byteCompactedCodewords.SetSize(6);
FX_BOOL end = FALSE;
int32_t nextCode = codewords[codeIndex++];
while ((codeIndex < codewords[0]) && !end) {
byteCompactedCodewords[count++] = nextCode;
value = 900 * value + nextCode;
nextCode = codewords[codeIndex++];
if (nextCode == TEXT_COMPACTION_MODE_LATCH ||
nextCode == BYTE_COMPACTION_MODE_LATCH ||
nextCode == NUMERIC_COMPACTION_MODE_LATCH ||
nextCode == BYTE_COMPACTION_MODE_LATCH_6 ||
nextCode == BEGIN_MACRO_PDF417_CONTROL_BLOCK ||
nextCode == BEGIN_MACRO_PDF417_OPTIONAL_FIELD ||
nextCode == MACRO_PDF417_TERMINATOR) {
codeIndex--;
end = TRUE;
} else {
if ((count % 5 == 0) && (count > 0)) {
int32_t j = 0;
for (; j < 6; ++j) {
decodedData[5 - j] = (FX_WORD)(value % 256);
value >>= 8;
}
for (j = 0; j < 6; ++j) {
result += (FX_CHAR)decodedData[j];
}
count = 0;
}
}
}
CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::MultiplyByMonomial(
int32_t degree,
int32_t coefficient,
int32_t& e) {
if (degree < 0) {
e = BCExceptionDegreeIsNegative;
return nullptr;
}
if (coefficient == 0)
return m_field->GetZero()->Clone(e);
int32_t size = m_coefficients.GetSize();
CFX_Int32Array product;
product.SetSize(size + degree);
for (int32_t i = 0; i < size; i++) {
product[i] = (m_field->Multiply(m_coefficients[i], coefficient));
}
CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
temp->Init(m_field, &product, e);
BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
return temp;
}
CBC_PDF417ECModulusPoly* CBC_PDF417ECModulusGF::buildMonomial(
int32_t degree,
int32_t coefficient,
int32_t& e) {
if (degree < 0) {
e = BCExceptionIllegalArgument;
return NULL;
}
CBC_PDF417ECModulusPoly* modulusPoly = NULL;
if (coefficient == 0) {
modulusPoly = new CBC_PDF417ECModulusPoly(m_zero->getField(),
m_zero->getCoefficients(), e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
return modulusPoly;
}
CFX_Int32Array coefficients;
coefficients.SetSize(degree + 1);
coefficients[0] = coefficient;
modulusPoly = new CBC_PDF417ECModulusPoly(this, coefficients, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
return modulusPoly;
}
int32_t CBC_HighLevelEncoder::lookAheadTest(CFX_WideString msg,
int32_t startpos,
int32_t currentMode) {
if (startpos >= msg.GetLength()) {
return currentMode;
}
CFX_FloatArray charCounts;
if (currentMode == ASCII_ENCODATION) {
charCounts.Add(0);
charCounts.Add(1);
charCounts.Add(1);
charCounts.Add(1);
charCounts.Add(1);
charCounts.Add(1.25f);
} else {
charCounts.Add(1);
charCounts.Add(2);
charCounts.Add(2);
charCounts.Add(2);
charCounts.Add(2);
charCounts.Add(2.25f);
charCounts[currentMode] = 0;
}
int32_t charsProcessed = 0;
while (TRUE) {
if ((startpos + charsProcessed) == msg.GetLength()) {
FX_DWORD min = std::numeric_limits<int32_t>::max();
CFX_ByteArray mins;
mins.SetSize(6);
CFX_Int32Array intCharCounts;
intCharCounts.SetSize(6);
min = findMinimums(charCounts, intCharCounts, min, mins);
int32_t minCount = getMinimumCount(mins);
if (intCharCounts[ASCII_ENCODATION] == min) {
return ASCII_ENCODATION;
}
if (minCount == 1 && mins[BASE256_ENCODATION] > 0) {
return BASE256_ENCODATION;
}
if (minCount == 1 && mins[EDIFACT_ENCODATION] > 0) {
return EDIFACT_ENCODATION;
}
if (minCount == 1 && mins[TEXT_ENCODATION] > 0) {
return TEXT_ENCODATION;
}
if (minCount == 1 && mins[X12_ENCODATION] > 0) {
return X12_ENCODATION;
}
return C40_ENCODATION;
}
FX_WCHAR c = msg.GetAt(startpos + charsProcessed);
charsProcessed++;
if (isDigit(c)) {
charCounts[ASCII_ENCODATION] += 0.5;
} else if (isExtendedASCII(c)) {
charCounts[ASCII_ENCODATION] =
(FX_FLOAT)ceil(charCounts[ASCII_ENCODATION]);
charCounts[ASCII_ENCODATION] += 2;
} else {
charCounts[ASCII_ENCODATION] =
(FX_FLOAT)ceil(charCounts[ASCII_ENCODATION]);
charCounts[ASCII_ENCODATION]++;
}
if (isNativeC40(c)) {
charCounts[C40_ENCODATION] += 2.0f / 3.0f;
} else if (isExtendedASCII(c)) {
charCounts[C40_ENCODATION] += 8.0f / 3.0f;
} else {
charCounts[C40_ENCODATION] += 4.0f / 3.0f;
}
if (isNativeText(c)) {
charCounts[TEXT_ENCODATION] += 2.0f / 3.0f;
} else if (isExtendedASCII(c)) {
charCounts[TEXT_ENCODATION] += 8.0f / 3.0f;
} else {
charCounts[TEXT_ENCODATION] += 4.0f / 3.0f;
}
if (isNativeX12(c)) {
charCounts[X12_ENCODATION] += 2.0f / 3.0f;
} else if (isExtendedASCII(c)) {
charCounts[X12_ENCODATION] += 13.0f / 3.0f;
} else {
charCounts[X12_ENCODATION] += 10.0f / 3.0f;
}
if (isNativeEDIFACT(c)) {
charCounts[EDIFACT_ENCODATION] += 3.0f / 4.0f;
} else if (isExtendedASCII(c)) {
charCounts[EDIFACT_ENCODATION] += 17.0f / 4.0f;
} else {
charCounts[EDIFACT_ENCODATION] += 13.0f / 4.0f;
}
if (isSpecialB256(c)) {
charCounts[BASE256_ENCODATION] += 4;
} else {
charCounts[BASE256_ENCODATION]++;
}
if (charsProcessed >= 4) {
CFX_Int32Array intCharCounts;
intCharCounts.SetSize(6);
CFX_ByteArray mins;
mins.SetSize(6);
findMinimums(charCounts, intCharCounts,
std::numeric_limits<int32_t>::max(), mins);
int32_t minCount = getMinimumCount(mins);
if (intCharCounts[ASCII_ENCODATION] < intCharCounts[BASE256_ENCODATION] &&
intCharCounts[ASCII_ENCODATION] < intCharCounts[C40_ENCODATION] &&
intCharCounts[ASCII_ENCODATION] < intCharCounts[TEXT_ENCODATION] &&
intCharCounts[ASCII_ENCODATION] < intCharCounts[X12_ENCODATION] &&
intCharCounts[ASCII_ENCODATION] < intCharCounts[EDIFACT_ENCODATION]) {
return ASCII_ENCODATION;
}
if (intCharCounts[BASE256_ENCODATION] < intCharCounts[ASCII_ENCODATION] ||
(mins[C40_ENCODATION] + mins[TEXT_ENCODATION] + mins[X12_ENCODATION] +
mins[EDIFACT_ENCODATION]) == 0) {
return BASE256_ENCODATION;
}
if (minCount == 1 && mins[EDIFACT_ENCODATION] > 0) {
return EDIFACT_ENCODATION;
}
if (minCount == 1 && mins[TEXT_ENCODATION] > 0) {
return TEXT_ENCODATION;
}
if (minCount == 1 && mins[X12_ENCODATION] > 0) {
return X12_ENCODATION;
}
if (intCharCounts[C40_ENCODATION] + 1 < intCharCounts[ASCII_ENCODATION] &&
intCharCounts[C40_ENCODATION] + 1 <
intCharCounts[BASE256_ENCODATION] &&
intCharCounts[C40_ENCODATION] + 1 <
intCharCounts[EDIFACT_ENCODATION] &&
intCharCounts[C40_ENCODATION] + 1 < intCharCounts[TEXT_ENCODATION]) {
if (intCharCounts[C40_ENCODATION] < intCharCounts[X12_ENCODATION]) {
return C40_ENCODATION;
}
if (intCharCounts[C40_ENCODATION] == intCharCounts[X12_ENCODATION]) {
int32_t p = startpos + charsProcessed + 1;
while (p < msg.GetLength()) {
FX_WCHAR tc = msg.GetAt(p);
if (isX12TermSep(tc)) {
return X12_ENCODATION;
}
if (!isNativeX12(tc)) {
break;
}
p++;
}
return C40_ENCODATION;
}
}
}
}
}
CFX_PtrArray* CBC_Detector::findRowsWithPattern(CBC_CommonBitMatrix* matrix,
int32_t height,
int32_t width,
int32_t startRow,
int32_t startColumn,
int32_t* pattern,
int32_t patternLength) {
CFX_PtrArray* result = new CFX_PtrArray;
result->SetSize(4);
FX_BOOL found = FALSE;
CFX_Int32Array counters;
counters.SetSize(patternLength);
for (; startRow < height; startRow += ROW_STEP) {
CFX_Int32Array* loc =
findGuardPattern(matrix, startColumn, startRow, width, FALSE, pattern,
patternLength, counters);
if (loc != NULL) {
while (startRow > 0) {
CFX_Int32Array* previousRowLoc =
findGuardPattern(matrix, startColumn, --startRow, width, FALSE,
pattern, patternLength, counters);
if (previousRowLoc != NULL) {
delete loc;
loc = previousRowLoc;
} else {
startRow++;
break;
}
}
result->SetAt(
0, new CBC_ResultPoint((FX_FLOAT)loc->GetAt(0), (FX_FLOAT)startRow));
result->SetAt(
1, new CBC_ResultPoint((FX_FLOAT)loc->GetAt(1), (FX_FLOAT)startRow));
found = TRUE;
delete loc;
break;
}
}
int32_t stopRow = startRow + 1;
if (found) {
int32_t skippedRowCount = 0;
CFX_Int32Array previousRowLoc;
previousRowLoc.Add((int32_t)((CBC_ResultPoint*)result->GetAt(0))->GetX());
previousRowLoc.Add((int32_t)((CBC_ResultPoint*)result->GetAt(1))->GetX());
for (; stopRow < height; stopRow++) {
CFX_Int32Array* loc =
findGuardPattern(matrix, previousRowLoc[0], stopRow, width, FALSE,
pattern, patternLength, counters);
if (loc != NULL &&
abs(previousRowLoc[0] - loc->GetAt(0)) < MAX_PATTERN_DRIFT &&
abs(previousRowLoc[1] - loc->GetAt(1)) < MAX_PATTERN_DRIFT) {
previousRowLoc.Copy(*loc);
skippedRowCount = 0;
} else {
if (skippedRowCount > SKIPPED_ROW_COUNT_MAX) {
delete loc;
break;
} else {
skippedRowCount++;
}
}
delete loc;
}
stopRow -= skippedRowCount + 1;
result->SetAt(2, new CBC_ResultPoint((FX_FLOAT)previousRowLoc.GetAt(0),
(FX_FLOAT)stopRow));
result->SetAt(3, new CBC_ResultPoint((FX_FLOAT)previousRowLoc.GetAt(1),
(FX_FLOAT)stopRow));
}
if (stopRow - startRow < BARCODE_MIN_HEIGHT) {
for (int32_t i = 0; i < result->GetSize(); i++) {
result->SetAt(i, NULL);
}
}
return result;
}
void CBC_DataMatrixDecodedBitStreamParser::DecodeTextSegment(
CBC_CommonBitSource* bits,
CFX_ByteString& result,
int32_t& e) {
FX_BOOL upperShift = FALSE;
CFX_Int32Array cValues;
cValues.SetSize(3);
int32_t shift = 0;
do {
if (bits->Available() == 8) {
return;
}
int32_t firstByte = bits->ReadBits(8, e);
BC_EXCEPTION_CHECK_ReturnVoid(e);
if (firstByte == 254) {
return;
}
int32_t inTp = bits->ReadBits(8, e);
BC_EXCEPTION_CHECK_ReturnVoid(e);
ParseTwoBytes(firstByte, inTp, cValues);
for (int32_t i = 0; i < 3; i++) {
int32_t cValue = cValues[i];
switch (shift) {
case 0:
if (cValue < 3) {
shift = cValue + 1;
} else if (cValue < 40) {
FX_CHAR textChar = TEXT_BASIC_SET_CHARS[cValue];
if (upperShift) {
result += (FX_CHAR)(textChar + 128);
upperShift = FALSE;
} else {
result += textChar;
}
} else {
e = BCExceptionFormatException;
return;
}
break;
case 1:
if (upperShift) {
result += (FX_CHAR)(cValue + 128);
upperShift = FALSE;
} else {
result += cValue;
}
shift = 0;
break;
case 2:
if (cValue < 27) {
FX_CHAR c40char = C40_SHIFT2_SET_CHARS[cValue];
if (upperShift) {
result += (FX_CHAR)(c40char + 128);
upperShift = FALSE;
} else {
result += c40char;
}
} else if (cValue == 27) {
e = BCExceptionFormatException;
return;
} else if (cValue == 30) {
upperShift = TRUE;
} else {
e = BCExceptionFormatException;
return;
}
shift = 0;
break;
case 3:
if (cValue < 19) {
FX_CHAR textChar = TEXT_SHIFT3_SET_CHARS[cValue];
if (upperShift) {
result += (FX_CHAR)(textChar + 128);
upperShift = FALSE;
} else {
result += textChar;
}
shift = 0;
} else {
e = BCExceptionFormatException;
return;
}
break;
default:
break;
e = BCExceptionFormatException;
return;
}
}
} while (bits->Available() > 0);
}
