C++ (Cpp) CreateFontStream Examples

Example #1

File: cfgas_fontmgr.cpp Project: documentcloud/pdfium

bool CFGAS_FontMgr::EnumFontsFromFontMapper() {
  CFX_FontMapper* pFontMapper =
      CFX_GEModule::Get()->GetFontMgr()->GetBuiltinMapper();
  if (!pFontMapper)
    return false;

  IFX_SystemFontInfo* pSystemFontInfo = pFontMapper->GetSystemFontInfo();
  if (!pSystemFontInfo)
    return false;

  pSystemFontInfo->EnumFontList(pFontMapper);
  for (int32_t i = 0; i < pFontMapper->GetFaceSize(); ++i) {
    IFX_SeekableReadStream* pFontStream =
        CreateFontStream(pFontMapper, pSystemFontInfo, i);
    if (!pFontStream)
      continue;

    CFX_WideString wsFaceName =
        CFX_WideString::FromLocal(pFontMapper->GetFaceName(i).c_str());
    RegisterFaces(pFontStream, &wsFaceName);
    pFontStream->Release();
  }
  if (m_InstalledFonts.GetSize() == 0)
    return false;

  return true;
}

Example #2

File: cfgas_fontmgr.cpp Project: documentcloud/pdfium

CFGAS_GEFont* CFGAS_FontMgr::LoadFont(const CFX_WideString& wsFaceName,
                                      int32_t iFaceIndex,
                                      int32_t* pFaceCount) {
  CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();
  CFX_FontMapper* pFontMapper = pFontMgr->GetBuiltinMapper();
  if (!pFontMapper)
    return nullptr;

  IFX_SystemFontInfo* pSystemFontInfo = pFontMapper->GetSystemFontInfo();
  if (!pSystemFontInfo)
    return nullptr;

  IFX_SeekableReadStream* pFontStream =
      CreateFontStream(wsFaceName.UTF8Encode());
  if (!pFontStream)
    return nullptr;

  std::unique_ptr<CFX_Font> pInternalFont(new CFX_Font());
  if (!pInternalFont->LoadFile(pFontStream, iFaceIndex)) {
    pFontStream->Release();
    return nullptr;
  }

  CFGAS_GEFont* pFont = CFGAS_GEFont::LoadFont(std::move(pInternalFont), this);
  if (!pFont) {
    pFontStream->Release();
    return nullptr;
  }

  m_IFXFont2FileRead.SetAt(pFont, pFontStream);
  if (pFaceCount)
    *pFaceCount = pFont->GetDevFont()->GetFace()->num_faces;

  return pFont;
}

Example #3

File: fgas_stdfontmgr.cpp Project: endlessm/chromium-browser

FX_BOOL CFGAS_FontMgrImp::VerifyUnicode(CFX_FontDescriptor* pDesc,
                                        FX_WCHAR wcUnicode) {
  IFX_FileRead* pFileRead = CreateFontStream(pDesc->m_wsFaceName.UTF8Encode());
  if (!pFileRead)
    return FALSE;
  FXFT_Face pFace = LoadFace(pFileRead, pDesc->m_nFaceIndex);
  FT_Error retCharmap = FXFT_Select_Charmap(pFace, FXFT_ENCODING_UNICODE);
  FT_Error retIndex = FXFT_Get_Char_Index(pFace, wcUnicode);
  pFileRead->Release();
  if (!pFace)
    return FALSE;
  if (FXFT_Get_Face_External_Stream(pFace))
    FXFT_Clear_Face_External_Stream(pFace);
  FXFT_Done_Face(pFace);
  return !retCharmap && retIndex;
}

Example #4

File: cfgas_fontmgr.cpp Project: documentcloud/pdfium

IFX_SeekableReadStream* CFGAS_FontMgr::CreateFontStream(
    const CFX_ByteString& bsFaceName) {
  CFX_FontMgr* pFontMgr = CFX_GEModule::Get()->GetFontMgr();
  CFX_FontMapper* pFontMapper = pFontMgr->GetBuiltinMapper();

  if (!pFontMapper)
    return nullptr;

  IFX_SystemFontInfo* pSystemFontInfo = pFontMapper->GetSystemFontInfo();
  if (!pSystemFontInfo)
    return nullptr;

  pSystemFontInfo->EnumFontList(pFontMapper);
  for (int32_t i = 0; i < pFontMapper->GetFaceSize(); ++i) {
    if (pFontMapper->GetFaceName(i) == bsFaceName)
      return CreateFontStream(pFontMapper, pSystemFontInfo, i);
  }
  return nullptr;
}