Beispiel #1
0
CFGAS_GEFont* CFGAS_FontMgr::GetFontByUnicode(FX_WCHAR wUnicode,
                                              uint32_t dwFontStyles,
                                              const FX_WCHAR* pszFontFamily) {
  CFGAS_GEFont* pFont = nullptr;
  if (m_FailedUnicodes2Nullptr.Lookup(wUnicode, pFont))
    return nullptr;
  const FGAS_FONTUSB* x = FGAS_GetUnicodeBitField(wUnicode);
  uint16_t wCodePage = x ? x->wCodePage : 0xFFFF;
  uint16_t wBitField = x ? x->wBitField : 0x03E7;
  CFX_ByteString bsHash;
  if (wCodePage == 0xFFFF)
    bsHash.Format("%d, %d, %d", wCodePage, wBitField, dwFontStyles);
  else
    bsHash.Format("%d, %d", wCodePage, dwFontStyles);
  bsHash += CFX_WideString(pszFontFamily).UTF8Encode();
  uint32_t dwHash = FX_HashCode_GetA(bsHash.AsStringC(), false);
  CFX_ArrayTemplate<CFGAS_GEFont*>* pFonts = nullptr;
  if (m_Hash2Fonts.Lookup(dwHash, pFonts)) {
    if (!pFonts)
      return nullptr;

    for (int32_t i = 0; i < pFonts->GetSize(); ++i) {
      if (VerifyUnicode(pFonts->GetAt(i), wUnicode))
        return pFonts->GetAt(i)->Retain();
    }
  }
  if (!pFonts)
    pFonts = new CFX_ArrayTemplate<CFGAS_GEFont*>;
  m_Hash2Fonts.SetAt(dwHash, pFonts);
  CFX_FontDescriptorInfos* sortedFonts = nullptr;
  if (!m_Hash2CandidateList.Lookup(dwHash, sortedFonts)) {
    sortedFonts = new CFX_FontDescriptorInfos;
    MatchFonts(*sortedFonts, wCodePage, dwFontStyles,
               CFX_WideString(pszFontFamily), wUnicode);
    m_Hash2CandidateList.SetAt(dwHash, sortedFonts);
  }
  for (int32_t i = 0; i < sortedFonts->GetSize(); ++i) {
    CFX_FontDescriptor* pDesc = sortedFonts->GetAt(i).pFont;
    if (!VerifyUnicode(pDesc, wUnicode))
      continue;
    pFont = LoadFont(pDesc->m_wsFaceName, pDesc->m_nFaceIndex, nullptr);
    if (!pFont)
      continue;
    pFont->SetLogicalFontStyle(dwFontStyles);
    pFonts->Add(pFont);
    return pFont;
  }
  if (!pszFontFamily)
    m_FailedUnicodes2Nullptr.SetAt(wUnicode, nullptr);
  return nullptr;
}
CFGAS_GEFont* CFGAS_FontMgrImp::GetFontByCodePage(
    uint16_t wCodePage,
    uint32_t dwFontStyles,
    const FX_WCHAR* pszFontFamily) {
  CFX_ByteString bsHash;
  bsHash.Format("%d, %d", wCodePage, dwFontStyles);
  bsHash += CFX_WideString(pszFontFamily).UTF8Encode();
  uint32_t dwHash = FX_HashCode_GetA(bsHash.AsStringC(), false);
  CFX_ArrayTemplate<CFGAS_GEFont*>* pFonts = nullptr;
  if (m_Hash2Fonts.Lookup(dwHash, pFonts)) {
    if (!pFonts)
      return nullptr;

    if (pFonts->GetSize() != 0)
      return pFonts->GetAt(0)->Retain();
  }

  if (!pFonts)
    pFonts = new CFX_ArrayTemplate<CFGAS_GEFont*>;

  m_Hash2Fonts.SetAt(dwHash, pFonts);
  CFX_FontDescriptorInfos* sortedFonts = nullptr;
  if (!m_Hash2CandidateList.Lookup(dwHash, sortedFonts)) {
    sortedFonts = new CFX_FontDescriptorInfos;
    MatchFonts(*sortedFonts, wCodePage, dwFontStyles,
               CFX_WideString(pszFontFamily), 0);
    m_Hash2CandidateList.SetAt(dwHash, sortedFonts);
  }
  if (sortedFonts->GetSize() == 0)
    return nullptr;

  CFX_FontDescriptor* pDesc = sortedFonts->GetAt(0).pFont;
  CFGAS_GEFont* pFont =
      LoadFont(pDesc->m_wsFaceName, pDesc->m_nFaceIndex, nullptr);
  if (pFont)
    pFont->SetLogicalFontStyle(dwFontStyles);

  pFonts->Add(pFont);
  return pFont;
}