vcl/source/font/fontselect.cxx

   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 #include <sal/config.h>
  21
  22 #include <PhysicalFontFace.hxx>
  23 #include "svdata.hxx"
  24
  25 // These mustn't conflict with font name lists which use ; and ,
  26 const char FontSelectPatternAttributes::FEAT_PREFIX = ':';
  27 const char FontSelectPatternAttributes::FEAT_SEPARATOR = '&';
  28
  29 FontSelectPattern::FontSelectPattern( const vcl::Font& rFont,
  30     const OUString& rSearchName, const Size& rSize, float fExactHeight)
  31     : FontSelectPatternAttributes(rFont, rSearchName, rSize, fExactHeight)
  32     , mpFontData( nullptr )
  33     , mpFontInstance( nullptr )
  34 {
  35 }
  36
  37
  38 FontSelectPatternAttributes::FontSelectPatternAttributes( const vcl::Font& rFont,
  39     const OUString& rSearchName, const Size& rSize, float fExactHeight )
  40     : maSearchName( rSearchName )
  41     , mnWidth( rSize.Width() )
  42     , mnHeight( rSize.Height() )
  43     , mfExactHeight( fExactHeight)
  44     , mnOrientation( rFont.GetOrientation() )
  45     , meLanguage( rFont.GetLanguage() )
  46     , mbVertical( rFont.IsVertical() )
  47     , mbNonAntialiased( false )
  48     , mbEmbolden( false )
  49 {
  50     maTargetName = GetFamilyName();
  51
  52     rFont.GetFontAttributes( *this );
  53
  54     // normalize orientation between 0 and 3600
  55     if( 3600 <= (unsigned)mnOrientation )
  56     {
  57         if( mnOrientation >= 0 )
  58             mnOrientation %= 3600;
  59         else
  60             mnOrientation = 3600 - (-mnOrientation % 3600);
  61     }
  62
  63     // normalize width and height
  64     if( mnHeight < 0 )
  65         mnHeight = -mnHeight;
  66     if( mnWidth < 0 )
  67         mnWidth = -mnWidth;
  68 }
  69
  70
  71 // NOTE: this ctor is still used on Windows. Do not remove.
  72 #ifdef _WIN32
  73 FontSelectPatternAttributes::FontSelectPatternAttributes( const PhysicalFontFace& rFontData,
  74     const Size& rSize, float fExactHeight, int nOrientation, bool bVertical )
  75     : FontAttributes( rFontData )
  76     , mnWidth( rSize.Width() )
  77     , mnHeight( rSize.Height() )
  78     , mfExactHeight( fExactHeight )
  79     , mnOrientation( nOrientation )
  80     , meLanguage( 0 )
  81     , mbVertical( bVertical )
  82     , mbNonAntialiased( false )
  83     , mbEmbolden( false )
  84 {
  85     maTargetName = maSearchName = GetFamilyName();
  86     // NOTE: no normalization for width/height/orientation
  87 }
  88
  89 FontSelectPattern::FontSelectPattern( const PhysicalFontFace& rFontData,
  90     const Size& rSize, float fExactHeight, int nOrientation, bool bVertical )
  91     : FontSelectPatternAttributes(rFontData, rSize, fExactHeight, nOrientation, bVertical)
  92     , mpFontData( &rFontData )
  93     , mpFontInstance( nullptr )
  94 {
  95 }
  96 #endif
  97
  98 void FontSelectPattern::copyAttributes(const FontSelectPatternAttributes &rAttributes)
  99 {
 100     static_cast<FontSelectPatternAttributes&>(*this) = rAttributes;
 101 }
 102
 103 size_t FontSelectPatternAttributes::hashCode() const
 104 {
 105     // TODO: does it pay off to improve this hash function?
 106     size_t nHash;
 107     // check for features and generate a unique hash if necessary
 108     if (maTargetName.indexOf(FontSelectPatternAttributes::FEAT_PREFIX)
 109         != -1)
 110     {
 111         nHash = maTargetName.hashCode();
 112     }
 113     else
 114     {
 115         nHash = maSearchName.hashCode();
 116     }
 117     nHash += 11 * mnHeight;
 118     nHash += 19 * GetWeight();
 119     nHash += 29 * GetItalic();
 120     nHash += 37 * mnOrientation;
 121     nHash += 41 * (sal_uInt16)meLanguage;
 122     if( mbVertical )
 123         nHash += 53;
 124     return nHash;
 125 }
 126
 127 bool FontSelectPatternAttributes::operator==(const FontSelectPatternAttributes& rOther) const
 128 {
 129     if (!CompareDeviceIndependentFontAttributes(rOther))
 130         return false;
 131
 132     if (maTargetName != rOther.maTargetName)
 133         return false;
 134
 135     if (maSearchName != rOther.maSearchName)
 136         return false;
 137
 138     if (mnWidth != rOther.mnWidth)
 139         return false;
 140
 141     if (mnHeight != rOther.mnHeight)
 142         return false;
 143
 144     if (mfExactHeight != rOther.mfExactHeight)
 145         return false;
 146
 147     if (mnOrientation != rOther.mnOrientation)
 148         return false;
 149
 150     if (meLanguage != rOther.meLanguage)
 151         return false;
 152
 153     if (mbVertical != rOther.mbVertical)
 154         return false;
 155
 156     if (mbNonAntialiased != rOther.mbNonAntialiased)
 157         return false;
 158
 159     if (mbEmbolden != rOther.mbEmbolden)
 160         return false;
 161
 162     if (maItalicMatrix != rOther.maItalicMatrix)
 163         return false;
 164
 165     return true;
 166 }
 167
 168 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */