C++ (Cpp) CPDF_Document::LoadFont示例

CPDF_Font* CBA_FontMap::FindResFontSameCharset(CPDF_Dictionary* pResDict,
                                               CFX_ByteString& sFontAlias,
                                               int32_t nCharset) {
  if (!pResDict)
    return NULL;

  CPDF_Document* pDocument = GetDocument();
  ASSERT(pDocument != NULL);

  CPDF_Dictionary* pFonts = pResDict->GetDict("Font");
  if (pFonts == NULL)
    return NULL;

  CPDF_Font* pFind = NULL;

  FX_POSITION pos = pFonts->GetStartPos();
  while (pos) {
    CPDF_Object* pObj = NULL;
    CFX_ByteString csKey;
    pObj = pFonts->GetNextElement(pos, csKey);
    if (pObj == NULL)
      continue;

    CPDF_Object* pDirect = pObj->GetDirect();
    if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY)
      continue;

    CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect;
    if (pElement->GetString("Type") != "Font")
      continue;

    CPDF_Font* pFont = pDocument->LoadFont(pElement);
    if (pFont == NULL)
      continue;
    const CFX_SubstFont* pSubst = pFont->GetSubstFont();
    if (pSubst == NULL)
      continue;
    if (pSubst->m_Charset == nCharset) {
      sFontAlias = csKey;
      pFind = pFont;
    }
  }
  return pFind;
}

示例#2

显示文件

文件： cba_fontmap.cpp 项目： gradescope/pdfium

CPDF_Font* CBA_FontMap::FindResFontSameCharset(CPDF_Dictionary* pResDict,
                                               CFX_ByteString& sFontAlias,
                                               int32_t nCharset) {
  if (!pResDict)
    return nullptr;

  CPDF_Dictionary* pFonts = pResDict->GetDictBy("Font");
  if (!pFonts)
    return nullptr;

  CPDF_Document* pDocument = GetDocument();
  CPDF_Font* pFind = nullptr;
  for (const auto& it : *pFonts) {
    const CFX_ByteString& csKey = it.first;
    CPDF_Object* pObj = it.second;
    if (!pObj)
      continue;

    CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
    if (!pElement)
      continue;
    if (pElement->GetStringBy("Type") != "Font")
      continue;

    CPDF_Font* pFont = pDocument->LoadFont(pElement);
    if (!pFont)
      continue;
    const CFX_SubstFont* pSubst = pFont->GetSubstFont();
    if (!pSubst)
      continue;
    if (pSubst->m_Charset == nCharset) {
      sFontAlias = csKey;
      pFind = pFont;
    }
  }
  return pFind;
}