vcl/inc/PhysicalFontCollection.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.
   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 #ifndef INCLUDED_VCL_INC_PHYSICALFONTCOLLECTION_HXX
  21 #define INCLUDED_VCL_INC_PHYSICALFONTCOLLECTION_HXX
  22
  23 #include <vcl/dllapi.h>
  24
  25 #include "outfont.hxx"
  26 #include "PhysicalFontFamily.hxx"
  27
  28 // - PhysicalFontCollection -
  29
  30 // TODO: merge with ImplFontCache
  31 // TODO: rename to LogicalFontManager
  32
  33 class VCL_PLUGIN_PUBLIC PhysicalFontCollection
  34 {
  35 private:
  36     friend class WinGlyphFallbackSubstititution;
  37     mutable bool            mbMatchData;    // true if matching attributes are initialized
  38     bool                    mbMapNames;     // true if MapNames are available
  39
  40     typedef std::unordered_map<OUString, PhysicalFontFamily*,OUStringHash> PhysicalFontFamilies;
  41     PhysicalFontFamilies    maPhysicalFontFamilies;
  42
  43     ImplPreMatchFontSubstitution* mpPreMatchHook;       // device specific prematch substitution
  44     ImplGlyphFallbackFontSubstitution* mpFallbackHook;  // device specific glyh fallback substitution
  45
  46 public:
  47     explicit                PhysicalFontCollection();
  48     virtual                 ~PhysicalFontCollection();
  49
  50     // fill the list with device fonts
  51     void                    Add( PhysicalFontFace* );
  52     void                    Clear();
  53     int                     Count() const { return maPhysicalFontFamilies.size(); }
  54
  55     // find the device font
  56     PhysicalFontFamily*    FindFontFamily( const OUString& rFontName ) const;
  57     PhysicalFontFamily*    FindOrCreateFamily( const OUString &rFamilyName );
  58     PhysicalFontFamily*    ImplFindByFont( FontSelectPattern& ) const;
  59     PhysicalFontFamily*    ImplFindBySearchName( const OUString& ) const;
  60
  61     // suggest fonts for glyph fallback
  62     PhysicalFontFamily*    GetGlyphFallbackFont( FontSelectPattern&,
  63                         OUString& rMissingCodes, int nFallbackLevel ) const;
  64
  65     // prepare platform specific font substitutions
  66     void                    SetPreMatchHook( ImplPreMatchFontSubstitution* );
  67     void                    SetFallbackHook( ImplGlyphFallbackFontSubstitution* );
  68
  69     // misc utilities
  70     PhysicalFontCollection* Clone( bool bScalable, bool bEmbeddable ) const;
  71     ImplGetDevFontList*     GetDevFontList() const;
  72     ImplGetDevSizeList*     GetDevSizeList( const OUString& rFontName ) const;
  73
  74     PhysicalFontFamily*    ImplFindByTokenNames(const OUString& rTokenStr) const;
  75
  76 protected:
  77     void                    InitMatchData() const;
  78     bool                    AreMapNamesAvailable() const { return mbMapNames; }
  79
  80     PhysicalFontFamily*    ImplFindByAliasName(const OUString& rSearchName,
  81         const OUString& rShortName) const;
  82     PhysicalFontFamily*    ImplFindBySubstFontAttr( const utl::FontNameAttr& ) const;
  83     PhysicalFontFamily*    ImplFindByAttributes(ImplFontAttrs nSearchType, FontWeight, FontWidth,
  84                                                  FontItalic, const OUString& rSearchFamily) const;
  85     PhysicalFontFamily*    FindDefaultFont() const;
  86
  87 private:
  88     void                    InitGenericGlyphFallback() const;
  89     mutable PhysicalFontFamily**   mpFallbackList;
  90     mutable int                     mnFallbackCount;
  91 };
  92
  93 #endif // INCLUDED_VCL_INC_PHYSICALFONTCOLLECTION_HXX
  94
  95 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */