include/vcl/glyphitem.hxx

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   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
  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 <vcl/dllapi.h>
  24
  25 #include <vector>
  26 #include <memory>
  27
  28 class SalLayoutGlyphsImpl;
  29
  30 class VCL_DLLPUBLIC SalLayoutGlyphs final
  31 {
  32     std::unique_ptr<SalLayoutGlyphsImpl> m_pImpl;
  33     // Extra items are in a dynamically allocated vector in order to save memory.
  34     // The usual case should be that this stays unused (it should be only used
  35     // when font fallback takes place).
  36     std::unique_ptr<std::vector<std::unique_ptr<SalLayoutGlyphsImpl>>> m_pExtraImpls;
  37
  38 public:
  39     SalLayoutGlyphs();
  40     SalLayoutGlyphs(const SalLayoutGlyphs&) = delete;
  41     SalLayoutGlyphs(SalLayoutGlyphs&&) noexcept;
  42     ~SalLayoutGlyphs();
  43
  44     SalLayoutGlyphs& operator=(const SalLayoutGlyphs&) = delete;
  45     SalLayoutGlyphs& operator=(SalLayoutGlyphs&&) noexcept;
  46
  47     SalLayoutGlyphsImpl* Impl(unsigned int nLevel) const;
  48     void AppendImpl(SalLayoutGlyphsImpl* pImpl);
  49
  50     bool IsValid() const;
  51     void Invalidate();
  52 };
  53
  54 #endif // INCLUDED_VCL_GLYPHITEM_HXX
  55
  56 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */