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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <sal/types.h>
#include <tools/fontenum.hxx>
#include <unotools/fontdefs.hxx>
#include <fontattributes.hxx>
#include <font/FontSelectPattern.hxx>
#include <font/PhysicalFontFace.hxx>
#include <o3tl/string_view.hxx>
#include <string_view>
namespace vcl::font
{
PhysicalFontFace::PhysicalFontFace( const FontAttributes& rDFA )
: FontAttributes( rDFA )
{
// StarSymbol is a unicode font, but it still deserves the symbol flag
if( !IsSymbolFont() )
if ( IsStarSymbol( GetFamilyName() ) )
SetSymbolFlag( true );
}
sal_Int32 PhysicalFontFace::CompareIgnoreSize( const PhysicalFontFace& rOther ) const
{
// compare their width, weight, italic, style name and family name
if( GetWidthType() < rOther.GetWidthType() )
return -1;
else if( GetWidthType() > rOther.GetWidthType() )
return 1;
if( GetWeight() < rOther.GetWeight() )
return -1;
else if( GetWeight() > rOther.GetWeight() )
return 1;
if( GetItalic() < rOther.GetItalic() )
return -1;
else if( GetItalic() > rOther.GetItalic() )
return 1;
sal_Int32 nRet = GetFamilyName().compareTo( rOther.GetFamilyName() );
if (nRet == 0)
{
nRet = GetStyleName().compareTo( rOther.GetStyleName() );
}
return nRet;
}
static int FamilyNameMatchValue(FontSelectPattern const& rFSP, std::u16string_view sFontFamily)
{
const OUString& rFontName = rFSP.maTargetName;
if (rFontName.equalsIgnoreAsciiCase(sFontFamily))
return 240000;
return 0;
}
static int StyleNameMatchValue(FontMatchStatus const& rStatus, std::u16string_view rStyle)
{
if (rStatus.mpTargetStyleName && o3tl::equalsIgnoreAsciiCase(rStyle, *rStatus.mpTargetStyleName))
return 120000;
return 0;
}
static int PitchMatchValue(FontSelectPattern const& rFSP, FontPitch ePitch)
{
if ((rFSP.GetPitch() != PITCH_DONTKNOW) && (rFSP.GetPitch() == ePitch))
return 20000;
return 0;
}
static int PreferNormalFontWidthMatchValue(FontWidth eWidthType)
{
// TODO: change when the upper layers can tell their width preference
if (eWidthType == WIDTH_NORMAL)
return 400;
else if ((eWidthType == WIDTH_SEMI_EXPANDED) || (eWidthType == WIDTH_SEMI_CONDENSED))
return 300;
return 0;
}
static int WeightMatchValue(FontSelectPattern const& rFSP, FontWeight eWeight)
{
int nMatch = 0;
if (rFSP.GetWeight() != WEIGHT_DONTKNOW)
{
// if not bold or requiring emboldening prefer light fonts to bold fonts
FontWeight ePatternWeight = rFSP.mbEmbolden ? WEIGHT_NORMAL : rFSP.GetWeight();
int nReqWeight = static_cast<int>(ePatternWeight);
if (ePatternWeight > WEIGHT_MEDIUM)
nReqWeight += 100;
int nGivenWeight = static_cast<int>(eWeight);
if (eWeight > WEIGHT_MEDIUM)
nGivenWeight += 100;
int nWeightDiff = nReqWeight - nGivenWeight;
if (nWeightDiff == 0)
nMatch += 1000;
else if (nWeightDiff == +1 || nWeightDiff == -1)
nMatch += 700;
else if (nWeightDiff < +50 && nWeightDiff > -50)
nMatch += 200;
}
else
{
// prefer NORMAL font weight
// TODO: change when the upper layers can tell their weight preference
if (eWeight == WEIGHT_NORMAL)
nMatch += 450;
else if (eWeight == WEIGHT_MEDIUM)
nMatch += 350;
else if ((eWeight == WEIGHT_SEMILIGHT) || (eWeight == WEIGHT_SEMIBOLD))
nMatch += 200;
else if (eWeight == WEIGHT_LIGHT)
nMatch += 150;
}
return nMatch;
}
static int ItalicMatchValue(FontSelectPattern const& rFSP, FontItalic eItalic)
{
// if requiring custom matrix to fake italic, prefer upright font
FontItalic ePatternItalic
= rFSP.maItalicMatrix != ItalicMatrix() ? ITALIC_NONE : rFSP.GetItalic();
if (ePatternItalic == ITALIC_NONE)
{
if (eItalic == ITALIC_NONE)
return 900;
}
else
{
if (ePatternItalic == eItalic)
return 900;
else if (eItalic != ITALIC_NONE)
return 600;
}
return 0;
}
bool PhysicalFontFace::IsBetterMatch( const FontSelectPattern& rFSP, FontMatchStatus& rStatus ) const
{
int nMatch = FamilyNameMatchValue(rFSP, GetFamilyName());
nMatch += StyleNameMatchValue(rStatus, GetStyleName());
nMatch += PitchMatchValue(rFSP, GetPitch());
nMatch += PreferNormalFontWidthMatchValue(GetWidthType());
nMatch += WeightMatchValue(rFSP, GetWeight());
nMatch += ItalicMatchValue(rFSP, GetItalic());
if (rFSP.mnOrientation != 0_deg10)
nMatch += 80;
else if (rFSP.mnWidth != 0)
nMatch += 25;
else
nMatch += 5;
if( rStatus.mnFaceMatch > nMatch )
{
return false;
}
else if( rStatus.mnFaceMatch < nMatch )
{
rStatus.mnFaceMatch = nMatch;
return true;
}
return true;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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