include/vcl/glyphitem.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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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
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  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 class SalLayoutGlyphsImpl;
  30
  31 class VCL_DLLPUBLIC SalLayoutGlyphs final
  32 {
  33     std::unique_ptr<SalLayoutGlyphsImpl> m_pImpl;
  34     // Extra items are in a dynamically allocated vector in order to save memory.
  35     // The usual case should be that this stays unused (it should be only used
  36     // when font fallback takes place).
  37     std::unique_ptr<std::vector<std::unique_ptr<SalLayoutGlyphsImpl>>> m_pExtraImpls;
  38
  39 public:
  40     SalLayoutGlyphs();
  41     SalLayoutGlyphs(const SalLayoutGlyphs&) = delete;
  42     SalLayoutGlyphs(SalLayoutGlyphs&&) noexcept;
  43     ~SalLayoutGlyphs();
  44
  45     SalLayoutGlyphs& operator=(const SalLayoutGlyphs&) = delete;
  46     SalLayoutGlyphs& operator=(SalLayoutGlyphs&&) noexcept;
  47
  48     SalLayoutGlyphsImpl* Impl(unsigned int nLevel) const;
  49     void AppendImpl(SalLayoutGlyphsImpl* pImpl);
  50
  51     bool IsValid() const;
  52     void Invalidate();
  53 };
  54
  55 #endif // INCLUDED_VCL_GLYPHITEM_HXX
  56
  57 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */