vcl/source/gdi/impglyphitem.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 <impglyphitem.hxx>
  21
  22 #if (defined UNX && !defined MACOSX && !defined IOS)
  23 #include <unx/freetype_glyphcache.hxx>
  24 #endif
  25
  26 SalLayoutGlyphs::SalLayoutGlyphs() {}
  27
  28 SalLayoutGlyphs::~SalLayoutGlyphs() {}
  29
  30 SalLayoutGlyphs::SalLayoutGlyphs(SalLayoutGlyphs&& rOther) noexcept
  31 {
  32     std::swap(m_pImpl, rOther.m_pImpl);
  33     std::swap(m_pExtraImpls, rOther.m_pExtraImpls);
  34 }
  35
  36 SalLayoutGlyphs& SalLayoutGlyphs::operator=(SalLayoutGlyphs&& rOther) noexcept
  37 {
  38     if (this != &rOther)
  39     {
  40         std::swap(m_pImpl, rOther.m_pImpl);
  41         std::swap(m_pExtraImpls, rOther.m_pExtraImpls);
  42     }
  43     return *this;
  44 }
  45
  46 bool SalLayoutGlyphs::IsValid() const
  47 {
  48     if (m_pImpl == nullptr)
  49         return false;
  50     if (!m_pImpl->IsValid())
  51         return false;
  52     if (m_pExtraImpls)
  53         for (std::unique_ptr<SalLayoutGlyphsImpl> const& impl : *m_pExtraImpls)
  54             if (!impl->IsValid())
  55                 return false;
  56     return true;
  57 }
  58
  59 void SalLayoutGlyphs::Invalidate()
  60 {
  61     // Invalidating is in fact simply clearing.
  62     m_pImpl.reset();
  63     m_pExtraImpls.reset();
  64 }
  65
  66 SalLayoutGlyphsImpl* SalLayoutGlyphs::Impl(unsigned int nLevel) const
  67 {
  68     if (nLevel == 0)
  69         return m_pImpl.get();
  70     if (m_pExtraImpls != nullptr && nLevel - 1 < m_pExtraImpls->size())
  71         return (*m_pExtraImpls)[nLevel - 1].get();
  72     return nullptr;
  73 }
  74
  75 void SalLayoutGlyphs::AppendImpl(SalLayoutGlyphsImpl* pImpl)
  76 {
  77     if (!m_pImpl)
  78         m_pImpl.reset(pImpl);
  79     else
  80     {
  81         if (!m_pExtraImpls)
  82             m_pExtraImpls.reset(new std::vector<std::unique_ptr<SalLayoutGlyphsImpl>>);
  83         m_pExtraImpls->emplace_back(pImpl);
  84     }
  85 }
  86
  87 SalLayoutGlyphsImpl* SalLayoutGlyphsImpl::clone() const { return new SalLayoutGlyphsImpl(*this); }
  88
  89 bool SalLayoutGlyphsImpl::IsValid() const
  90 {
  91     if (!m_rFontInstance.is())
  92         return false;
  93     if (empty())
  94         return false;
  95     return true;
  96 }
  97
  98 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */