vcl/source/font/DirectFontSubstitution.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <unotools/fontdefs.hxx>
  21
  22 #include <font/DirectFontSubstitution.hxx>
  23
  24 #include <svdata.hxx>
  25
  26 #include <string>
  27 #include <vector>
  28
  29 namespace vcl::font
  30 {
  31 void DirectFontSubstitution::AddFontSubstitute(const OUString& rFontName,
  32                                                const OUString& rSubstFontName,
  33                                                AddFontSubstituteFlags nFlags)
  34 {
  35     maFontSubstList.emplace_back(rFontName, rSubstFontName, nFlags);
  36 }
  37
  38 void DirectFontSubstitution::RemoveFontsSubstitute() { maFontSubstList.clear(); }
  39
  40 bool DirectFontSubstitution::FindFontSubstitute(OUString& rSubstName,
  41                                                 std::u16string_view rSearchName) const
  42 {
  43     // TODO: get rid of O(N) searches
  44     std::vector<FontSubstEntry>::const_iterator it = std::find_if(
  45         maFontSubstList.begin(), maFontSubstList.end(), [&](const FontSubstEntry& s) {
  46             return (s.mnFlags & AddFontSubstituteFlags::ALWAYS) && (s.maSearchName == rSearchName);
  47         });
  48     if (it != maFontSubstList.end())
  49     {
  50         rSubstName = it->maSearchReplaceName;
  51         return true;
  52     }
  53     return false;
  54 }
  55
  56 void ImplFontSubstitute(OUString& rFontName)
  57 {
  58     // must be canonicalised
  59     assert(GetEnglishSearchFontName(rFontName) == rFontName);
  60     OUString aSubstFontName;
  61     // apply user-configurable font replacement (eg, from the list in Tools->Options)
  62     const DirectFontSubstitution* pSubst = ImplGetSVData()->maGDIData.mpDirectFontSubst;
  63     if (pSubst && pSubst->FindFontSubstitute(aSubstFontName, rFontName))
  64     {
  65         rFontName = aSubstFontName;
  66         return;
  67     }
  68 }
  69 }
  70
  71 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */