vcl/inc/impfont.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 #pragma once
  21
  22 #include <sal/config.h>
  23
  24 #include <rtl/ustring.hxx>
  25 #include <tools/color.hxx>
  26 #include <tools/fontenum.hxx>
  27 #include <tools/gen.hxx>
  28 #include <i18nlangtag/languagetag.hxx>
  29 #include <vcl/fntstyle.hxx>
  30
  31 /* The following class is extraordinarily similar to FontAttributes. */
  32
  33 class ImplFont
  34 {
  35 public:
  36     explicit            ImplFont();
  37     explicit            ImplFont( const ImplFont& );
  38
  39     // device independent font functions
  40     const OUString&     GetFamilyName() const                           { return maFamilyName; }
  41     FontFamily          GetFamilyType()                                 { if(meFamily==FAMILY_DONTKNOW)  AskConfig(); return meFamily; }
  42     const OUString&     GetStyleName() const                            { return maStyleName; }
  43
  44     FontWeight          GetWeight()                                     { if(meWeight==WEIGHT_DONTKNOW)  AskConfig(); return meWeight; }
  45     FontItalic          GetItalic()                                     { if(meItalic==ITALIC_DONTKNOW)  AskConfig(); return meItalic; }
  46     FontPitch           GetPitch()                                      { if(mePitch==PITCH_DONTKNOW)    AskConfig(); return mePitch; }
  47     FontWidth           GetWidthType()                                  { if(meWidthType==WIDTH_DONTKNOW) AskConfig(); return meWidthType; }
  48     TextAlign           GetAlignment() const                            { return meAlign; }
  49     rtl_TextEncoding    GetCharSet() const                              { return meCharSet; }
  50     const Size&         GetFontSize() const                      { return maAverageFontSize; }
  51
  52     void                SetFamilyName( const OUString& sFamilyName )    { maFamilyName = sFamilyName; }
  53     void                SetStyleName( const OUString& sStyleName )      { maStyleName = sStyleName; }
  54     void                SetFamilyType( const FontFamily eFontFamily )   { meFamily = eFontFamily; }
  55
  56     void                SetPitch( const FontPitch ePitch )              { mePitch = ePitch; }
  57     void                SetItalic( const FontItalic eItalic )           { meItalic = eItalic; }
  58     void                SetWeight( const FontWeight eWeight )           { meWeight = eWeight; }
  59     void                SetWidthType( const FontWidth eWidthType )      { meWidthType = eWidthType; }
  60     void                SetAlignment( const TextAlign eAlignment )      { meAlign = eAlignment; }
  61     void                SetCharSet( const rtl_TextEncoding eCharSet )   { meCharSet = eCharSet; }
  62     void                SetFontSize( const Size& rSize )
  63     {
  64         if(rSize.Height() != maAverageFontSize.Height())
  65         {
  66             // reset evtl. buffered calculated AverageFontSize, it depends
  67             // on Font::Height
  68             mnCalculatedAverageFontWidth = 0;
  69         }
  70         maAverageFontSize = rSize;
  71     }
  72
  73     // straight properties, no getting them from AskConfig()
  74     FontFamily          GetFamilyTypeNoAsk() const                      { return meFamily; }
  75     FontWeight          GetWeightNoAsk() const                          { return meWeight; }
  76     FontItalic          GetItalicNoAsk() const                          { return meItalic; }
  77     FontPitch           GetPitchNoAsk() const                           { return mePitch; }
  78     FontWidth           GetWidthTypeNoAsk() const                       { return meWidthType; }
  79
  80     // device dependent functions
  81     int                 GetQuality() const                              { return mnQuality; }
  82
  83     void                SetQuality( int nQuality )                      { mnQuality = nQuality; }
  84     void                IncreaseQualityBy( int nQualityAmount )         { mnQuality += nQualityAmount; }
  85     void                DecreaseQualityBy( int nQualityAmount )         { mnQuality -= nQualityAmount; }
  86
  87     tools::Long         GetCalculatedAverageFontWidth() const           { return mnCalculatedAverageFontWidth; }
  88     void                SetCalculatedAverageFontWidth(tools::Long nNew) { mnCalculatedAverageFontWidth = nNew; }
  89
  90     bool                operator==( const ImplFont& ) const;
  91     bool                EqualIgnoreColor( const ImplFont& ) const;
  92
  93     size_t              GetHashValue() const;
  94     size_t              GetHashValueIgnoreColor() const;
  95
  96 private:
  97     friend class vcl::Font;
  98     friend SvStream&    ReadImplFont( SvStream& rIStm, ImplFont&, tools::Long& );
  99     friend SvStream&    WriteImplFont( SvStream& rOStm, const ImplFont&, tools::Long );
 100
 101     void                AskConfig();
 102
 103     // Device independent variables
 104     OUString            maFamilyName;
 105     OUString            maStyleName;
 106     FontWeight          meWeight;
 107     FontFamily          meFamily;
 108     FontPitch           mePitch;
 109     FontWidth           meWidthType;
 110     FontItalic          meItalic;
 111     TextAlign           meAlign;
 112     FontLineStyle       meUnderline;
 113     FontLineStyle       meOverline;
 114     FontStrikeout       meStrikeout;
 115     FontRelief          meRelief;
 116     FontEmphasisMark    meEmphasisMark;
 117     FontKerning         meKerning;
 118     short               mnSpacing;
 119     Size                maAverageFontSize;
 120     rtl_TextEncoding    meCharSet;
 121
 122     LanguageTag         maLanguageTag;
 123     LanguageTag         maCJKLanguageTag;
 124
 125     // Flags - device independent
 126     bool                mbOutline:1,
 127                         mbConfigLookup:1,   // config lookup should only be done once
 128                         mbShadow:1,
 129                         mbVertical:1,
 130                         mbTransparent:1;    // compatibility, now on output device
 131
 132     // deprecated variables - device independent
 133     Color               maColor;            // compatibility, now on output device
 134     Color               maFillColor;        // compatibility, now on output device
 135
 136     // Device dependent variables
 137     bool                mbWordLine:1;
 138
 139     // TODO: metric data, should be migrated to ImplFontMetric
 140     Degree10            mnOrientation;
 141
 142     int                 mnQuality;
 143
 144     tools::Long         mnCalculatedAverageFontWidth;
 145 };
 146
 147 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */