CFX_ByteString CBC_PDF417Reader::Decode(CBC_BinaryBitmap* image,
FX_BOOL multiple,
int32_t hints,
int32_t& e) {
CFX_ByteString results;
CBC_PDF417DetectorResult* detectorResult =
CBC_Detector::detect(image, hints, multiple, e);
BC_EXCEPTION_CHECK_ReturnValue(e, "");
for (int32_t i = 0; i < detectorResult->getPoints()->GetSize(); i++) {
CFX_PtrArray* points = (CFX_PtrArray*)detectorResult->getPoints()->GetAt(i);
CBC_CommonDecoderResult* ResultTemp = CBC_PDF417ScanningDecoder::decode(
detectorResult->getBits(), (CBC_ResultPoint*)points->GetAt(4),
(CBC_ResultPoint*)points->GetAt(5), (CBC_ResultPoint*)points->GetAt(6),
(CBC_ResultPoint*)points->GetAt(7), getMinCodewordWidth(*points),
getMaxCodewordWidth(*points), e);
if (ResultTemp == NULL) {
delete detectorResult;
e = BCExceptiontNotFoundInstance;
return "";
}
results += ResultTemp->GetText();
delete ResultTemp;
}
delete detectorResult;
return results;
}
CBC_CommonDecoderResult* CBC_DataMatrixDecodedBitStreamParser::Decode(
CFX_ByteArray& bytes,
int32_t& e) {
CBC_CommonBitSource bits(&bytes);
CFX_ByteString result;
CFX_ByteString resultTrailer;
CFX_Int32Array byteSegments;
int32_t mode = ASCII_ENCODE;
do {
if (mode == 1) {
mode = DecodeAsciiSegment(&bits, result, resultTrailer, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
} else {
switch (mode) {
case 2:
DecodeC40Segment(&bits, result, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
break;
case 3:
DecodeTextSegment(&bits, result, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
break;
case 4:
DecodeAnsiX12Segment(&bits, result, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
break;
case 5:
DecodeEdifactSegment(&bits, result, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
break;
case 6:
DecodeBase256Segment(&bits, result, byteSegments, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
break;
default:
NULL;
e = BCExceptionFormatException;
return NULL;
}
mode = ASCII_ENCODE;
}
} while (mode != PAD_ENCODE && bits.Available() > 0);
if (resultTrailer.GetLength() > 0) {
result += resultTrailer;
}
CBC_CommonDecoderResult* tempCp = new CBC_CommonDecoderResult();
tempCp->Init(bytes, result,
(byteSegments.GetSize() <= 0) ? CFX_Int32Array() : byteSegments,
NULL, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
return tempCp;
}
CBC_CommonDecoderResult* CBC_DecodedBitStreamPaser::decode(
CFX_Int32Array& codewords,
CFX_ByteString ecLevel,
int32_t& e) {
CFX_ByteString result;
int32_t codeIndex = 1;
int32_t code = codewords.GetAt(codeIndex);
codeIndex++;
CBC_PDF417ResultMetadata* resultMetadata = new CBC_PDF417ResultMetadata;
while (codeIndex < codewords[0]) {
switch (code) {
case TEXT_COMPACTION_MODE_LATCH:
codeIndex = textCompaction(codewords, codeIndex, result);
break;
case BYTE_COMPACTION_MODE_LATCH:
codeIndex = byteCompaction(code, codewords, codeIndex, result);
break;
case NUMERIC_COMPACTION_MODE_LATCH:
codeIndex = numericCompaction(codewords, codeIndex, result, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
break;
case MODE_SHIFT_TO_BYTE_COMPACTION_MODE:
codeIndex = byteCompaction(code, codewords, codeIndex, result);
break;
case BYTE_COMPACTION_MODE_LATCH_6:
codeIndex = byteCompaction(code, codewords, codeIndex, result);
break;
case BEGIN_MACRO_PDF417_CONTROL_BLOCK:
codeIndex = decodeMacroBlock(codewords, codeIndex, resultMetadata, e);
if (e != BCExceptionNO) {
delete resultMetadata;
return NULL;
}
break;
default:
codeIndex--;
codeIndex = textCompaction(codewords, codeIndex, result);
break;
}
if (codeIndex < codewords.GetSize()) {
code = codewords[codeIndex++];
} else {
e = BCExceptionFormatInstance;
delete resultMetadata;
return NULL;
}
}
if (result.GetLength() == 0) {
e = BCExceptionFormatInstance;
delete resultMetadata;
return NULL;
}
CFX_ByteArray rawBytes;
CFX_PtrArray byteSegments;
CBC_CommonDecoderResult* tempCd = new CBC_CommonDecoderResult();
tempCd->Init(rawBytes, result, byteSegments, ecLevel, e);
if (e != BCExceptionNO) {
delete resultMetadata;
return NULL;
}
tempCd->setOther(resultMetadata);
return tempCd;
}
CBC_CommonDecoderResult* CBC_QRDecodedBitStreamParser::Decode(
CFX_ByteArray* bytes,
CBC_QRCoderVersion* version,
CBC_QRCoderErrorCorrectionLevel* ecLevel,
int32_t byteModeDecode,
int32_t& e) {
CBC_CommonBitSource bits(bytes);
CFX_ByteString result;
CBC_CommonCharacterSetECI* currentCharacterSetECI = NULL;
FX_BOOL fc1Infact = FALSE;
CFX_Int32Array byteSegments;
CBC_QRCoderMode* mode = NULL;
do {
if (bits.Available() < 4) {
mode = CBC_QRCoderMode::sTERMINATOR;
} else {
int32_t iTemp1 = bits.ReadBits(4, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
mode = CBC_QRCoderMode::ForBits(iTemp1, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
if (mode == NULL) {
e = BCExceptionUnSupportMode;
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
}
}
if (!(mode == CBC_QRCoderMode::sTERMINATOR)) {
if (mode == CBC_QRCoderMode::sFNC1_FIRST_POSITION ||
mode == CBC_QRCoderMode::sFNC1_SECOND_POSITION) {
fc1Infact = TRUE;
} else if (mode == CBC_QRCoderMode::sSTRUCTURED_APPEND) {
bits.ReadBits(16, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
} else if (mode == CBC_QRCoderMode::sECI) {
int32_t value = ParseECIValue(&bits, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
currentCharacterSetECI =
CBC_CommonCharacterSetECI::GetCharacterSetECIByValue(value);
} else {
if (mode == CBC_QRCoderMode::sGBK) {
bits.ReadBits(4, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
}
int32_t numBits = mode->GetCharacterCountBits(version, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
int32_t count = bits.ReadBits(numBits, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
if (mode == CBC_QRCoderMode::sNUMERIC) {
DecodeNumericSegment(&bits, result, count, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
} else if (mode == CBC_QRCoderMode::sALPHANUMERIC) {
DecodeAlphanumericSegment(&bits, result, count, fc1Infact, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
} else if (mode == CBC_QRCoderMode::sBYTE) {
DecodeByteSegment(&bits, result, count, currentCharacterSetECI,
&byteSegments, byteModeDecode, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
} else if (mode == CBC_QRCoderMode::sGBK) {
DecodeGBKSegment(&bits, result, count, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
} else if (mode == CBC_QRCoderMode::sKANJI) {
DecodeKanjiSegment(&bits, result, count, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
} else {
e = BCExceptionUnSupportMode;
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
}
}
}
} while (!(mode == CBC_QRCoderMode::sTERMINATOR));
CBC_CommonDecoderResult* tempCd = new CBC_CommonDecoderResult();
tempCd->Init(*bytes, result, byteSegments, ecLevel, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
return tempCd;
}
