include/vcl/glyphitem.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   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 #ifndef INCLUDED_VCL_GLYPHITEM_HXX
  21 #define INCLUDED_VCL_GLYPHITEM_HXX
  22
  23 #include <sal/types.h>
  24 #include <vcl/dllapi.h>
  25
  26 #include <vector>
  27 #include <memory>
  28
  29 typedef sal_uInt16 sal_GlyphId;
  30
  31 class SalLayoutGlyphsImpl;
  32
  33 class VCL_DLLPUBLIC SalLayoutGlyphs final
  34 {
  35     std::unique_ptr<SalLayoutGlyphsImpl> m_pImpl;
  36     // Extra items are in a dynamically allocated vector in order to save memory.
  37     // The usual case should be that this stays unused (it should be only used
  38     // when font fallback takes place).
  39     std::unique_ptr<std::vector<std::unique_ptr<SalLayoutGlyphsImpl>>> m_pExtraImpls;
  40
  41 public:
  42     SalLayoutGlyphs();
  43     SalLayoutGlyphs(const SalLayoutGlyphs&) = delete;
  44     SalLayoutGlyphs(SalLayoutGlyphs&&) noexcept;
  45     ~SalLayoutGlyphs();
  46
  47     SalLayoutGlyphs& operator=(const SalLayoutGlyphs&) = delete;
  48     SalLayoutGlyphs& operator=(SalLayoutGlyphs&&) noexcept;
  49
  50     SalLayoutGlyphsImpl* Impl(unsigned int nLevel) const;
  51     void AppendImpl(SalLayoutGlyphsImpl* pImpl);
  52
  53     bool IsValid() const;
  54     void Invalidate();
  55 };
  56
  57 #endif // INCLUDED_VCL_GLYPHITEM_HXX
  58
  59 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */