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;
}
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;
}
