vcl/inc/PhysicalFontFace.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_PHYSICALFONTFACE_HXX
  21 #define INCLUDED_VCL_INC_PHYSICALFONTFACE_HXX
  22
  23 #include <salhelper/simplereferenceobject.hxx>
  24 #include <rtl/ref.hxx>
  25 #include <tools/long.hxx>
  26 #include <vcl/dllapi.h>
  27 #include <vcl/fontcharmap.hxx>
  28
  29 #include "fontattributes.hxx"
  30
  31 class LogicalFontInstance;
  32 struct FontMatchStatus;
  33 class FontSelectPattern;
  34 class PhysicalFontFamily;
  35
  36 namespace vcl
  37 {
  38 struct FontCapabilities;
  39 }
  40
  41 struct FontMatchStatus
  42 {
  43 public:
  44     int                 mnFaceMatch;
  45     int                 mnHeightMatch;
  46     int                 mnWidthMatch;
  47     const OUString*     mpTargetStyleName;
  48 };
  49
  50
  51 // TODO: no more direct access to members
  52 // TODO: get rid of height/width for scalable fonts
  53 // TODO: make cloning cheaper
  54
  55 /**
  56  * abstract base class for physical font faces
  57  *
  58  * It acts as a factory for its corresponding LogicalFontInstances and
  59  * can be extended to cache device and font instance specific data.
  60  */
  61 class VCL_PLUGIN_PUBLIC PhysicalFontFace : public FontAttributes, public salhelper::SimpleReferenceObject
  62 {
  63 public:
  64     virtual rtl::Reference<LogicalFontInstance> CreateFontInstance(const FontSelectPattern&) const = 0;
  65
  66     int                     GetHeight() const           { return mnHeight; }
  67     int                     GetWidth() const            { return mnWidth; }
  68     virtual sal_IntPtr      GetFontId() const = 0;
  69     virtual FontCharMapRef GetFontCharMap() const = 0;
  70     virtual bool GetFontCapabilities(vcl::FontCapabilities&) const = 0;
  71
  72     bool                    IsBetterMatch( const FontSelectPattern&, FontMatchStatus& ) const;
  73     sal_Int32               CompareWithSize( const PhysicalFontFace& ) const;
  74     sal_Int32               CompareIgnoreSize( const PhysicalFontFace& ) const;
  75
  76 protected:
  77     explicit PhysicalFontFace(const FontAttributes&);
  78     void                    SetBitmapSize( int nW, int nH ) { mnWidth=nW; mnHeight=nH; }
  79
  80     tools::Long                    mnWidth;    // Width (in pixels)
  81     tools::Long                    mnHeight;   // Height (in pixels)
  82 };
  83
  84 #endif // INCLUDED_VCL_INC_PHYSICALFONTFACE_HXX
  85
  86 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
  87