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;
}
Exemplo n.º 3
0
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;
}