示例#1
0
CFX_WideString CPDF_PageLabel::GetLabel(int nPage) const
{
    CFX_WideString wsLabel;
    if (m_pDocument == NULL) {
        return wsLabel;
    }
    CPDF_Dictionary* pPDFRoot = m_pDocument->GetRoot();
    if (pPDFRoot == NULL) {
        return wsLabel;
    }
    CPDF_Dictionary* pLabels = pPDFRoot->GetDict(FX_BSTRC("PageLabels"));
    CPDF_NumberTree numberTree(pLabels);
    CPDF_Object* pValue = NULL;
    int n = nPage;
    while (n >= 0) {
        pValue = numberTree.LookupValue(n);
        if (pValue != NULL) {
            break;
        }
        n--;
    }
    if (pValue != NULL) {
        pValue = pValue->GetDirect();
        if (pValue->GetType() == PDFOBJ_DICTIONARY) {
            CPDF_Dictionary* pLabel = (CPDF_Dictionary*)pValue;
            if (pLabel->KeyExist(FX_BSTRC("P"))) {
                wsLabel += pLabel->GetUnicodeText(FX_BSTRC("P"));
            }
            CFX_ByteString bsNumberingStyle = pLabel->GetString(FX_BSTRC("S"), NULL);
            int nLabelNum = nPage - n + pLabel->GetInteger(FX_BSTRC("St"), 1);
            CFX_WideString wsNumPortion = _GetLabelNumPortion(nLabelNum, bsNumberingStyle);
            wsLabel += wsNumPortion;
            return wsLabel;
        }
    }
    wsLabel.Format(L"%d", nPage + 1);
    return wsLabel;
}
示例#2
0
CFX_WideString CPDF_PageLabel::GetLabel(int nPage) const {
  CFX_WideString wsLabel;
  if (!m_pDocument) {
    return wsLabel;
  }
  CPDF_Dictionary* pPDFRoot = m_pDocument->GetRoot();
  if (!pPDFRoot) {
    return wsLabel;
  }
  CPDF_Dictionary* pLabels = pPDFRoot->GetDictBy("PageLabels");
  CPDF_NumberTree numberTree(pLabels);
  CPDF_Object* pValue = NULL;
  int n = nPage;
  while (n >= 0) {
    pValue = numberTree.LookupValue(n);
    if (pValue) {
      break;
    }
    n--;
  }
  if (pValue) {
    pValue = pValue->GetDirect();
    if (CPDF_Dictionary* pLabel = pValue->AsDictionary()) {
      if (pLabel->KeyExist("P")) {
        wsLabel += pLabel->GetUnicodeTextBy("P");
      }
      CFX_ByteString bsNumberingStyle = pLabel->GetStringBy("S", NULL);
      int nLabelNum = nPage - n + pLabel->GetIntegerBy("St", 1);
      CFX_WideString wsNumPortion =
          _GetLabelNumPortion(nLabelNum, bsNumberingStyle);
      wsLabel += wsNumPortion;
      return wsLabel;
    }
  }
  wsLabel.Format(L"%d", nPage + 1);
  return wsLabel;
}