Files
libreoffice/vcl/source/gdi/font.cxx
Noel Grandin 19a32ddfd2 convert KERNING_ constants to scoped enum
Change-Id: I58031485aaa9ebdeb986a3ee0376f36a9f667947
2015-05-14 12:00:40 +02:00

1026 lines
32 KiB
C++

/* -*- 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 "unotools/fontcfg.hxx"
#include "tools/stream.hxx"
#include "tools/vcompat.hxx"
#include "tools/debug.hxx"
#include <tools/gen.hxx>
#include "vcl/font.hxx"
#include "impfont.hxx"
#include "outfont.hxx"
#include "sft.hxx"
#include <sal/macros.h>
#include <algorithm>
using namespace vcl;
Impl_Font::Impl_Font() :
maColor( COL_TRANSPARENT ),
maFillColor( COL_TRANSPARENT ),
maLanguageTag( LANGUAGE_DONTKNOW ),
maCJKLanguageTag( LANGUAGE_DONTKNOW )
{
mnRefCount = 1;
meCharSet = RTL_TEXTENCODING_DONTKNOW;
meFamily = FAMILY_DONTKNOW;
mePitch = PITCH_DONTKNOW;
meAlign = ALIGN_TOP;
meWeight = WEIGHT_DONTKNOW;
meWidthType = WIDTH_DONTKNOW;
meItalic = ITALIC_NONE;
meUnderline = UNDERLINE_NONE;
meOverline = UNDERLINE_NONE;
meStrikeout = STRIKEOUT_NONE;
meRelief = RELIEF_NONE;
meEmphasisMark = EMPHASISMARK_NONE;
mnOrientation = 0;
mnKerning = FontKerning::NONE;
mbWordLine = false;
mbOutline = false;
mbShadow = false;
mbVertical = false;
mbTransparent = true;
mbConfigLookup = false;
}
Impl_Font::Impl_Font( const Impl_Font& rImplFont )
: maFamilyName( rImplFont.maFamilyName ),
maStyleName( rImplFont.maStyleName ),
maSize( rImplFont.maSize ),
maColor( rImplFont.maColor ),
maFillColor( rImplFont.maFillColor ),
maLanguageTag( rImplFont.maLanguageTag ),
maCJKLanguageTag( rImplFont.maCJKLanguageTag )
{
mnRefCount = 1;
meCharSet = rImplFont.meCharSet;
meFamily = rImplFont.meFamily;
mePitch = rImplFont.mePitch;
meAlign = rImplFont.meAlign;
meWeight = rImplFont.meWeight;
meWidthType = rImplFont.meWidthType;
meItalic = rImplFont.meItalic;
meUnderline = rImplFont.meUnderline;
meOverline = rImplFont.meOverline;
meStrikeout = rImplFont.meStrikeout;
meRelief = rImplFont.meRelief;
meEmphasisMark = rImplFont.meEmphasisMark;
mnOrientation = rImplFont.mnOrientation;
mnKerning = rImplFont.mnKerning;
mbWordLine = rImplFont.mbWordLine;
mbOutline = rImplFont.mbOutline;
mbShadow = rImplFont.mbShadow;
mbVertical = rImplFont.mbVertical;
mbTransparent = rImplFont.mbTransparent;
mbConfigLookup = rImplFont.mbConfigLookup;
}
bool Impl_Font::operator==( const Impl_Font& rOther ) const
{
// equality tests split up for easier debugging
if( (meWeight != rOther.meWeight)
|| (meItalic != rOther.meItalic)
|| (meFamily != rOther.meFamily)
|| (mePitch != rOther.mePitch) )
return false;
if( (meCharSet != rOther.meCharSet)
|| (maLanguageTag != rOther.maLanguageTag)
|| (maCJKLanguageTag != rOther.maCJKLanguageTag)
|| (meAlign != rOther.meAlign) )
return false;
if( (maSize != rOther.maSize)
|| (mnOrientation != rOther.mnOrientation)
|| (mbVertical != rOther.mbVertical) )
return false;
if( (maFamilyName != rOther.maFamilyName)
|| (maStyleName != rOther.maStyleName) )
return false;
if( (maColor != rOther.maColor)
|| (maFillColor != rOther.maFillColor) )
return false;
if( (meUnderline != rOther.meUnderline)
|| (meOverline != rOther.meOverline)
|| (meStrikeout != rOther.meStrikeout)
|| (meRelief != rOther.meRelief)
|| (meEmphasisMark != rOther.meEmphasisMark)
|| (mbWordLine != rOther.mbWordLine)
|| (mbOutline != rOther.mbOutline)
|| (mbShadow != rOther.mbShadow)
|| (mnKerning != rOther.mnKerning)
|| (mbTransparent != rOther.mbTransparent) )
return false;
return true;
}
void Impl_Font::AskConfig()
{
if( mbConfigLookup )
return;
mbConfigLookup = true;
// prepare the FontSubst configuration lookup
const utl::FontSubstConfiguration& rFontSubst = utl::FontSubstConfiguration::get();
OUString aShortName;
OUString aFamilyName;
ImplFontAttrs nType = ImplFontAttrs::None;
FontWeight eWeight = WEIGHT_DONTKNOW;
FontWidth eWidthType = WIDTH_DONTKNOW;
OUString aMapName = GetEnglishSearchFontName( maFamilyName );
utl::FontSubstConfiguration::getMapName( aMapName,
aShortName, aFamilyName, eWeight, eWidthType, nType );
// lookup the font name in the configuration
const utl::FontNameAttr* pFontAttr = rFontSubst.getSubstInfo( aMapName );
// if the direct lookup failed try again with an alias name
if ( !pFontAttr && (aShortName != aMapName) )
pFontAttr = rFontSubst.getSubstInfo( aShortName );
if( pFontAttr )
{
// the font was found in the configuration
if( meFamily == FAMILY_DONTKNOW )
{
if ( pFontAttr->Type & ImplFontAttrs::Serif )
meFamily = FAMILY_ROMAN;
else if ( pFontAttr->Type & ImplFontAttrs::SansSerif )
meFamily = FAMILY_SWISS;
else if ( pFontAttr->Type & ImplFontAttrs::Typewriter )
meFamily = FAMILY_MODERN;
else if ( pFontAttr->Type & ImplFontAttrs::Italic )
meFamily = FAMILY_SCRIPT;
else if ( pFontAttr->Type & ImplFontAttrs::Decorative )
meFamily = FAMILY_DECORATIVE;
}
if( mePitch == PITCH_DONTKNOW )
{
if ( pFontAttr->Type & ImplFontAttrs::Fixed )
mePitch = PITCH_FIXED;
}
}
// if some attributes are still unknown then use the FontSubst magic
if( meFamily == FAMILY_DONTKNOW )
{
if( nType & ImplFontAttrs::Serif )
meFamily = FAMILY_ROMAN;
else if( nType & ImplFontAttrs::SansSerif )
meFamily = FAMILY_SWISS;
else if( nType & ImplFontAttrs::Typewriter )
meFamily = FAMILY_MODERN;
else if( nType & ImplFontAttrs::Italic )
meFamily = FAMILY_SCRIPT;
else if( nType & ImplFontAttrs::Decorative )
meFamily = FAMILY_DECORATIVE;
}
if( meWeight == WEIGHT_DONTKNOW )
meWeight = eWeight;
if( meWidthType == WIDTH_DONTKNOW )
meWidthType = eWidthType;
}
void Font::MakeUnique()
{
// create a copy if others still reference it
if ( mpImplFont->mnRefCount != 1 )
{
if ( mpImplFont->mnRefCount )
mpImplFont->mnRefCount--;
mpImplFont = new Impl_Font( *mpImplFont );
}
}
Font::Font()
{
static Impl_Font aStaticImplFont;
// RefCount is zero for static objects
aStaticImplFont.mnRefCount = 0;
mpImplFont = &aStaticImplFont;
}
Font::Font( const vcl::Font& rFont )
{
bool bRefIncrementable = rFont.mpImplFont->mnRefCount < ::std::numeric_limits<sal_uInt32>::max();
DBG_ASSERT( bRefIncrementable, "Font: RefCount overflow" );
mpImplFont = rFont.mpImplFont;
// do not count static objects (where RefCount is zero)
if ( mpImplFont->mnRefCount && bRefIncrementable )
mpImplFont->mnRefCount++;
}
Font::Font( const OUString& rFamilyName, const Size& rSize )
{
mpImplFont = new Impl_Font;
mpImplFont->maFamilyName = rFamilyName;
mpImplFont->maSize = rSize;
}
Font::Font( const OUString& rFamilyName, const OUString& rStyleName, const Size& rSize )
{
mpImplFont = new Impl_Font;
mpImplFont->maFamilyName= rFamilyName;
mpImplFont->maStyleName = rStyleName;
mpImplFont->maSize = rSize;
}
Font::Font( FontFamily eFamily, const Size& rSize )
{
mpImplFont = new Impl_Font;
mpImplFont->meFamily = eFamily;
mpImplFont->maSize = rSize;
}
Font::~Font()
{
// decrement reference counter and delete if last reference
// if the object is not static (Refcounter==0)
if ( mpImplFont->mnRefCount )
{
if ( mpImplFont->mnRefCount == 1 )
delete mpImplFont;
else
mpImplFont->mnRefCount--;
}
}
void Font::SetColor( const Color& rColor )
{
if( mpImplFont->maColor != rColor )
{
MakeUnique();
mpImplFont->maColor = rColor;
}
}
void Font::SetFillColor( const Color& rColor )
{
MakeUnique();
mpImplFont->maFillColor = rColor;
if ( rColor.GetTransparency() )
mpImplFont->mbTransparent = true;
if (GetUnderline() == UNDERLINE_SINGLE ) {
SAL_INFO("vcl.gdi", "I'm setting a filling (from Font) of (" << rColor.GetRed() << "," << rColor.GetGreen() << "," << rColor.GetBlue() << ")");
}
}
void Font::SetTransparent( bool bTransparent )
{
if( mpImplFont->mbTransparent != bTransparent )
{
MakeUnique();
mpImplFont->mbTransparent = bTransparent;
}
}
void Font::SetAlign( FontAlign eAlign )
{
if( mpImplFont->meAlign != eAlign )
{
MakeUnique();
mpImplFont->meAlign = eAlign;
}
}
void Font::SetName( const OUString& rFamilyName )
{
MakeUnique();
mpImplFont->maFamilyName = rFamilyName;
}
void Font::SetStyleName( const OUString& rStyleName )
{
MakeUnique();
mpImplFont->maStyleName = rStyleName;
}
void Font::SetSize( const Size& rSize )
{
if( mpImplFont->maSize != rSize )
{
MakeUnique();
mpImplFont->maSize = rSize;
}
}
void Font::SetFamily( FontFamily eFamily )
{
if( mpImplFont->meFamily != eFamily )
{
MakeUnique();
mpImplFont->meFamily = eFamily;
}
}
void Font::SetCharSet( rtl_TextEncoding eCharSet )
{
if( mpImplFont->meCharSet != eCharSet )
{
MakeUnique();
mpImplFont->meCharSet = eCharSet;
}
}
void Font::SetLanguageTag( const LanguageTag& rLanguageTag )
{
if( mpImplFont->maLanguageTag != rLanguageTag )
{
MakeUnique();
mpImplFont->maLanguageTag = rLanguageTag;
}
}
void Font::SetCJKContextLanguageTag( const LanguageTag& rLanguageTag )
{
if( mpImplFont->maCJKLanguageTag != rLanguageTag )
{
MakeUnique();
mpImplFont->maCJKLanguageTag = rLanguageTag;
}
}
void Font::SetLanguage( LanguageType eLanguage )
{
if( mpImplFont->maLanguageTag.getLanguageType( false) != eLanguage )
{
MakeUnique();
mpImplFont->maLanguageTag.reset( eLanguage);
}
}
void Font::SetCJKContextLanguage( LanguageType eLanguage )
{
if( mpImplFont->maCJKLanguageTag.getLanguageType( false) != eLanguage )
{
MakeUnique();
mpImplFont->maCJKLanguageTag.reset( eLanguage);
}
}
void Font::SetPitch( FontPitch ePitch )
{
if( mpImplFont->mePitch != ePitch )
{
MakeUnique();
mpImplFont->mePitch = ePitch;
}
}
void Font::SetOrientation( short nOrientation )
{
if( mpImplFont->mnOrientation != nOrientation )
{
MakeUnique();
mpImplFont->mnOrientation = nOrientation;
}
}
void Font::SetVertical( bool bVertical )
{
if( mpImplFont->mbVertical != bVertical )
{
MakeUnique();
mpImplFont->mbVertical = bVertical;
}
}
void Font::SetKerning( FontKerning nKerning )
{
if( mpImplFont->mnKerning != nKerning )
{
MakeUnique();
mpImplFont->mnKerning = nKerning;
}
}
bool Font::IsKerning() const
{
return bool(mpImplFont->mnKerning & FontKerning::FontSpecific);
}
void Font::SetWeight( FontWeight eWeight )
{
if( mpImplFont->meWeight != eWeight )
{
MakeUnique();
mpImplFont->meWeight = eWeight;
}
}
void Font::SetWidthType( FontWidth eWidth )
{
if( mpImplFont->meWidthType != eWidth )
{
MakeUnique();
mpImplFont->meWidthType = eWidth;
}
}
void Font::SetItalic( FontItalic eItalic )
{
if( mpImplFont->meItalic != eItalic )
{
MakeUnique();
mpImplFont->meItalic = eItalic;
}
}
void Font::SetOutline( bool bOutline )
{
if( mpImplFont->mbOutline != bOutline )
{
MakeUnique();
mpImplFont->mbOutline = bOutline;
}
}
void Font::SetShadow( bool bShadow )
{
if( mpImplFont->mbShadow != bShadow )
{
MakeUnique();
mpImplFont->mbShadow = bShadow;
}
}
void Font::SetUnderline( FontUnderline eUnderline )
{
if( mpImplFont->meUnderline != eUnderline )
{
MakeUnique();
mpImplFont->meUnderline = eUnderline;
}
}
void Font::SetOverline( FontUnderline eOverline )
{
if( mpImplFont->meOverline != eOverline )
{
MakeUnique();
mpImplFont->meOverline = eOverline;
}
}
void Font::SetStrikeout( FontStrikeout eStrikeout )
{
if( mpImplFont->meStrikeout != eStrikeout )
{
MakeUnique();
mpImplFont->meStrikeout = eStrikeout;
}
}
void Font::SetRelief( FontRelief eRelief )
{
if( mpImplFont->meRelief != eRelief )
{
MakeUnique();
mpImplFont->meRelief = eRelief;
}
}
void Font::SetEmphasisMark( FontEmphasisMark eEmphasisMark )
{
if( mpImplFont->meEmphasisMark != eEmphasisMark )
{
MakeUnique();
mpImplFont->meEmphasisMark = eEmphasisMark;
}
}
void Font::SetWordLineMode( bool bWordLine )
{
if( mpImplFont->mbWordLine != bWordLine )
{
MakeUnique();
mpImplFont->mbWordLine = bWordLine;
}
}
Font& Font::operator=( const vcl::Font& rFont )
{
bool bRefIncrementable = rFont.mpImplFont->mnRefCount < ::std::numeric_limits<sal_uInt32>::max();
DBG_ASSERT( bRefIncrementable, "Font: RefCount overflow" );
// Increment RefCount first, so that we can reference ourselves
// RefCount == 0 for static objects
if ( rFont.mpImplFont->mnRefCount && bRefIncrementable )
rFont.mpImplFont->mnRefCount++;
// If it's not static ImplData and if it's the last reference, delete it
// else decrement RefCount
if ( mpImplFont->mnRefCount )
{
if ( mpImplFont->mnRefCount == 1 )
delete mpImplFont;
else
mpImplFont->mnRefCount--;
}
mpImplFont = rFont.mpImplFont;
return *this;
}
bool Font::operator==( const vcl::Font& rFont ) const
{
return mpImplFont == rFont.mpImplFont || *mpImplFont == *rFont.mpImplFont;
}
void Font::Merge( const vcl::Font& rFont )
{
if ( !rFont.GetName().isEmpty() )
{
SetName( rFont.GetName() );
SetStyleName( rFont.GetStyleName() );
SetCharSet( GetCharSet() );
SetLanguageTag( rFont.GetLanguageTag() );
SetCJKContextLanguageTag( rFont.GetCJKContextLanguageTag() );
// don't use access methods here, might lead to AskConfig(), if DONTKNOW
SetFamily( rFont.mpImplFont->meFamily );
SetPitch( rFont.mpImplFont->mePitch );
}
// don't use access methods here, might lead to AskConfig(), if DONTKNOW
if ( rFont.mpImplFont->meWeight != WEIGHT_DONTKNOW )
SetWeight( rFont.GetWeight() );
if ( rFont.mpImplFont->meItalic != ITALIC_DONTKNOW )
SetItalic( rFont.GetItalic() );
if ( rFont.mpImplFont->meWidthType != WIDTH_DONTKNOW )
SetWidthType( rFont.GetWidthType() );
if ( rFont.GetSize().Height() )
SetSize( rFont.GetSize() );
if ( rFont.GetUnderline() != UNDERLINE_DONTKNOW )
{
SetUnderline( rFont.GetUnderline() );
SetWordLineMode( rFont.IsWordLineMode() );
}
if ( rFont.GetOverline() != UNDERLINE_DONTKNOW )
{
SetOverline( rFont.GetOverline() );
SetWordLineMode( rFont.IsWordLineMode() );
}
if ( rFont.GetStrikeout() != STRIKEOUT_DONTKNOW )
{
SetStrikeout( rFont.GetStrikeout() );
SetWordLineMode( rFont.IsWordLineMode() );
}
// Defaults?
SetOrientation( rFont.GetOrientation() );
SetVertical( rFont.IsVertical() );
SetEmphasisMark( rFont.GetEmphasisMark() );
SetKerning( rFont.IsKerning() ? FontKerning::FontSpecific : FontKerning::NONE );
SetOutline( rFont.IsOutline() );
SetShadow( rFont.IsShadow() );
SetRelief( rFont.GetRelief() );
}
void Font::GetFontAttributes( ImplFontAttributes& rAttrs ) const
{
rAttrs.SetFamilyName( mpImplFont->maFamilyName );
rAttrs.SetStyleName( mpImplFont->maStyleName );
rAttrs.SetFamilyType( mpImplFont->meFamily );
rAttrs.SetPitch( mpImplFont->mePitch );
rAttrs.SetItalic( mpImplFont->meItalic );
rAttrs.SetWeight( mpImplFont->meWeight );
rAttrs.SetWidthType( WIDTH_DONTKNOW );
rAttrs.SetSymbolFlag( mpImplFont->meCharSet == RTL_TEXTENCODING_SYMBOL );
}
SvStream& ReadImpl_Font( SvStream& rIStm, Impl_Font& rImpl_Font )
{
VersionCompat aCompat( rIStm, StreamMode::READ );
sal_uInt16 nTmp16;
bool bTmp;
sal_uInt8 nTmp8;
rImpl_Font.maFamilyName = rIStm.ReadUniOrByteString(rIStm.GetStreamCharSet());
rImpl_Font.maStyleName = rIStm.ReadUniOrByteString(rIStm.GetStreamCharSet());
ReadPair( rIStm, rImpl_Font.maSize );
rIStm.ReadUInt16( nTmp16 ); rImpl_Font.meCharSet = (rtl_TextEncoding) nTmp16;
rIStm.ReadUInt16( nTmp16 ); rImpl_Font.meFamily = (FontFamily) nTmp16;
rIStm.ReadUInt16( nTmp16 ); rImpl_Font.mePitch = (FontPitch) nTmp16;
rIStm.ReadUInt16( nTmp16 ); rImpl_Font.meWeight = (FontWeight) nTmp16;
rIStm.ReadUInt16( nTmp16 ); rImpl_Font.meUnderline = (FontUnderline) nTmp16;
rIStm.ReadUInt16( nTmp16 ); rImpl_Font.meStrikeout = (FontStrikeout) nTmp16;
rIStm.ReadUInt16( nTmp16 ); rImpl_Font.meItalic = (FontItalic) nTmp16;
rIStm.ReadUInt16( nTmp16 ); rImpl_Font.maLanguageTag.reset( (LanguageType) nTmp16);
rIStm.ReadUInt16( nTmp16 ); rImpl_Font.meWidthType = (FontWidth) nTmp16;
rIStm.ReadInt16( rImpl_Font.mnOrientation );
rIStm.ReadCharAsBool( bTmp ); rImpl_Font.mbWordLine = bTmp;
rIStm.ReadCharAsBool( bTmp ); rImpl_Font.mbOutline = bTmp;
rIStm.ReadCharAsBool( bTmp ); rImpl_Font.mbShadow = bTmp;
rIStm.ReadUChar( nTmp8 ); rImpl_Font.mnKerning = static_cast<FontKerning>(nTmp8);
if( aCompat.GetVersion() >= 2 )
{
rIStm.ReadUChar( nTmp8 ); rImpl_Font.meRelief = (FontRelief)nTmp8;
rIStm.ReadUInt16( nTmp16 ); rImpl_Font.maCJKLanguageTag.reset( (LanguageType)nTmp16);
rIStm.ReadCharAsBool( bTmp ); rImpl_Font.mbVertical = bTmp;
rIStm.ReadUInt16( nTmp16 ); rImpl_Font.meEmphasisMark = (FontEmphasisMark)nTmp16;
}
if( aCompat.GetVersion() >= 3 )
{
rIStm.ReadUInt16( nTmp16 ); rImpl_Font.meOverline = (FontUnderline) nTmp16;
}
// Relief
// CJKContextLanguage
return rIStm;
}
SvStream& WriteImpl_Font( SvStream& rOStm, const Impl_Font& rImpl_Font )
{
VersionCompat aCompat( rOStm, StreamMode::WRITE, 3 );
rOStm.WriteUniOrByteString( rImpl_Font.maFamilyName, rOStm.GetStreamCharSet() );
rOStm.WriteUniOrByteString( rImpl_Font.maStyleName, rOStm.GetStreamCharSet() );
WritePair( rOStm, rImpl_Font.maSize );
rOStm.WriteUInt16( GetStoreCharSet( rImpl_Font.meCharSet ) );
rOStm.WriteUInt16( rImpl_Font.meFamily );
rOStm.WriteUInt16( rImpl_Font.mePitch );
rOStm.WriteUInt16( rImpl_Font.meWeight );
rOStm.WriteUInt16( rImpl_Font.meUnderline );
rOStm.WriteUInt16( rImpl_Font.meStrikeout );
rOStm.WriteUInt16( rImpl_Font.meItalic );
rOStm.WriteUInt16( rImpl_Font.maLanguageTag.getLanguageType( false) );
rOStm.WriteUInt16( rImpl_Font.meWidthType );
rOStm.WriteInt16( rImpl_Font.mnOrientation );
rOStm.WriteBool( rImpl_Font.mbWordLine );
rOStm.WriteBool( rImpl_Font.mbOutline );
rOStm.WriteBool( rImpl_Font.mbShadow );
rOStm.WriteUChar( static_cast<sal_uInt8>(rImpl_Font.mnKerning) );
// new in version 2
rOStm.WriteUChar( rImpl_Font.meRelief );
rOStm.WriteUInt16( rImpl_Font.maCJKLanguageTag.getLanguageType( false) );
rOStm.WriteBool( rImpl_Font.mbVertical );
rOStm.WriteUInt16( rImpl_Font.meEmphasisMark );
// new in version 3
rOStm.WriteUInt16( rImpl_Font.meOverline );
return rOStm;
}
SvStream& ReadFont( SvStream& rIStm, vcl::Font& rFont )
{
rFont.MakeUnique();
return ReadImpl_Font( rIStm, *rFont.mpImplFont );
}
SvStream& WriteFont( SvStream& rOStm, const vcl::Font& rFont )
{
return WriteImpl_Font( rOStm, *rFont.mpImplFont );
}
namespace
{
bool identifyTrueTypeFont( const void* i_pBuffer, sal_uInt32 i_nSize, Font& o_rResult )
{
bool bResult = false;
TrueTypeFont* pTTF = NULL;
if( OpenTTFontBuffer( i_pBuffer, i_nSize, 0, &pTTF ) == SF_OK )
{
TTGlobalFontInfo aInfo;
GetTTGlobalFontInfo( pTTF, &aInfo );
// most importantly: the family name
if( aInfo.ufamily )
o_rResult.SetName( aInfo.ufamily );
else if( aInfo.family )
o_rResult.SetName( OStringToOUString( aInfo.family, RTL_TEXTENCODING_ASCII_US ) );
// set weight
if( aInfo.weight )
{
if( aInfo.weight < FW_EXTRALIGHT )
o_rResult.SetWeight( WEIGHT_THIN );
else if( aInfo.weight < FW_LIGHT )
o_rResult.SetWeight( WEIGHT_ULTRALIGHT );
else if( aInfo.weight < FW_NORMAL )
o_rResult.SetWeight( WEIGHT_LIGHT );
else if( aInfo.weight < FW_MEDIUM )
o_rResult.SetWeight( WEIGHT_NORMAL );
else if( aInfo.weight < FW_SEMIBOLD )
o_rResult.SetWeight( WEIGHT_MEDIUM );
else if( aInfo.weight < FW_BOLD )
o_rResult.SetWeight( WEIGHT_SEMIBOLD );
else if( aInfo.weight < FW_EXTRABOLD )
o_rResult.SetWeight( WEIGHT_BOLD );
else if( aInfo.weight < FW_BLACK )
o_rResult.SetWeight( WEIGHT_ULTRABOLD );
else
o_rResult.SetWeight( WEIGHT_BLACK );
}
else
o_rResult.SetWeight( (aInfo.macStyle & 1) ? WEIGHT_BOLD : WEIGHT_NORMAL );
// set width
if( aInfo.width )
{
if( aInfo.width == FWIDTH_ULTRA_CONDENSED )
o_rResult.SetWidth( WIDTH_ULTRA_CONDENSED );
else if( aInfo.width == FWIDTH_EXTRA_CONDENSED )
o_rResult.SetWidth( WIDTH_EXTRA_CONDENSED );
else if( aInfo.width == FWIDTH_CONDENSED )
o_rResult.SetWidth( WIDTH_CONDENSED );
else if( aInfo.width == FWIDTH_SEMI_CONDENSED )
o_rResult.SetWidth( WIDTH_SEMI_CONDENSED );
else if( aInfo.width == FWIDTH_NORMAL )
o_rResult.SetWidth( WIDTH_NORMAL );
else if( aInfo.width == FWIDTH_SEMI_EXPANDED )
o_rResult.SetWidth( WIDTH_SEMI_EXPANDED );
else if( aInfo.width == FWIDTH_EXPANDED )
o_rResult.SetWidth( WIDTH_EXPANDED );
else if( aInfo.width == FWIDTH_EXTRA_EXPANDED )
o_rResult.SetWidth( WIDTH_EXTRA_EXPANDED );
else if( aInfo.width >= FWIDTH_ULTRA_EXPANDED )
o_rResult.SetWidth( WIDTH_ULTRA_EXPANDED );
}
// set italic
o_rResult.SetItalic( (aInfo.italicAngle != 0) ? ITALIC_NORMAL : ITALIC_NONE );
// set pitch
o_rResult.SetPitch( (aInfo.pitch == 0) ? PITCH_VARIABLE : PITCH_FIXED );
// set style name
if( aInfo.usubfamily )
o_rResult.SetStyleName( OUString( aInfo.usubfamily ) );
else if( aInfo.subfamily )
o_rResult.SetStyleName( OUString::createFromAscii( aInfo.subfamily ) );
// cleanup
CloseTTFont( pTTF );
// success
bResult = true;
}
return bResult;
}
struct WeightSearchEntry
{
const char* string;
int string_len;
FontWeight weight;
bool operator<( const WeightSearchEntry& rRight ) const
{
return rtl_str_compareIgnoreAsciiCase_WithLength( string, string_len, rRight.string, rRight.string_len ) < 0;
}
}
weight_table[] =
{
{ "black", 5, WEIGHT_BLACK },
{ "bold", 4, WEIGHT_BOLD },
{ "book", 4, WEIGHT_LIGHT },
{ "demi", 4, WEIGHT_SEMIBOLD },
{ "heavy", 5, WEIGHT_BLACK },
{ "light", 5, WEIGHT_LIGHT },
{ "medium", 6, WEIGHT_MEDIUM },
{ "regular", 7, WEIGHT_NORMAL },
{ "super", 5, WEIGHT_ULTRABOLD },
{ "thin", 4, WEIGHT_THIN }
};
bool identifyType1Font( const char* i_pBuffer, sal_uInt32 i_nSize, Font& o_rResult )
{
bool bResult = false;
// might be a type1, find eexec
const char* pStream = i_pBuffer;
const char* pExec = "eexec";
const char* pExecPos = std::search( pStream, pStream+i_nSize, pExec, pExec+5 );
if( pExecPos != pStream+i_nSize)
{
// find /FamilyName entry
static const char* pFam = "/FamilyName";
const char* pFamPos = std::search( pStream, pExecPos, pFam, pFam+11 );
if( pFamPos != pExecPos )
{
// extract the string value behind /FamilyName
const char* pOpen = pFamPos+11;
while( pOpen < pExecPos && *pOpen != '(' )
pOpen++;
const char* pClose = pOpen;
while( pClose < pExecPos && *pClose != ')' )
pClose++;
if( pClose - pOpen > 1 )
{
o_rResult.SetName( OStringToOUString( OString( pOpen+1, pClose-pOpen-1 ), RTL_TEXTENCODING_ASCII_US ) );
}
}
// parse /ItalicAngle
static const char* pItalic = "/ItalicAngle";
const char* pItalicPos = std::search( pStream, pExecPos, pItalic, pItalic+12 );
if( pItalicPos != pExecPos )
{
sal_Int32 nItalic = rtl_str_toInt32( pItalicPos+12, 10 );
o_rResult.SetItalic( (nItalic != 0) ? ITALIC_NORMAL : ITALIC_NONE );
}
// parse /Weight
static const char* pWeight = "/Weight";
const char* pWeightPos = std::search( pStream, pExecPos, pWeight, pWeight+7 );
if( pWeightPos != pExecPos )
{
// extract the string value behind /Weight
const char* pOpen = pWeightPos+7;
while( pOpen < pExecPos && *pOpen != '(' )
pOpen++;
const char* pClose = pOpen;
while( pClose < pExecPos && *pClose != ')' )
pClose++;
if( pClose - pOpen > 1 )
{
WeightSearchEntry aEnt;
aEnt.string = pOpen+1;
aEnt.string_len = (pClose-pOpen)-1;
aEnt.weight = WEIGHT_NORMAL;
const int nEnt = SAL_N_ELEMENTS( weight_table );
WeightSearchEntry* pFound = std::lower_bound( weight_table, weight_table+nEnt, aEnt );
if( pFound != (weight_table+nEnt) )
o_rResult.SetWeight( pFound->weight );
}
}
// parse isFixedPitch
static const char* pFixed = "/isFixedPitch";
const char* pFixedPos = std::search( pStream, pExecPos, pFixed, pFixed+13 );
if( pFixedPos != pExecPos )
{
// skip whitespace
while( pFixedPos < pExecPos-4 &&
( *pFixedPos == ' ' ||
*pFixedPos == '\t' ||
*pFixedPos == '\r' ||
*pFixedPos == '\n' ) )
{
pFixedPos++;
}
// find "true" value
if( rtl_str_compareIgnoreAsciiCase_WithLength( pFixedPos, 4, "true", 4 ) == 0 )
o_rResult.SetPitch( PITCH_FIXED );
else
o_rResult.SetPitch( PITCH_VARIABLE );
}
}
return bResult;
}
}
Font Font::identifyFont( const void* i_pBuffer, sal_uInt32 i_nSize )
{
Font aResult;
if( ! identifyTrueTypeFont( i_pBuffer, i_nSize, aResult ) )
{
const char* pStream = static_cast<const char*>(i_pBuffer);
if( pStream && i_nSize > 100 &&
*pStream == '%' && pStream[1] == '!' )
{
identifyType1Font( pStream, i_nSize, aResult );
}
}
return aResult;
}
// The inlines from the font.hxx header are now instantiated for pImpl-ification
const Color& Font::GetColor() const { return mpImplFont->maColor; }
const Color& Font::GetFillColor() const { return mpImplFont->maFillColor; }
bool Font::IsTransparent() const { return mpImplFont->mbTransparent; }
FontAlign Font::GetAlign() const { return mpImplFont->meAlign; }
const OUString& Font::GetName() const { return mpImplFont->maFamilyName; }
const OUString& Font::GetStyleName() const { return mpImplFont->maStyleName; }
const Size& Font::GetSize() const { return mpImplFont->maSize; }
void Font::SetHeight( long nHeight ) { SetSize( Size( mpImplFont->maSize.Width(), nHeight ) ); }
long Font::GetHeight() const { return mpImplFont->maSize.Height(); }
void Font::SetWidth( long nWidth ) { SetSize( Size( nWidth, mpImplFont->maSize.Height() ) ); }
long Font::GetWidth() const { return mpImplFont->maSize.Width(); }
rtl_TextEncoding Font::GetCharSet() const { return mpImplFont->meCharSet; }
const LanguageTag& Font::GetLanguageTag() const { return mpImplFont->maLanguageTag; }
const LanguageTag& Font::GetCJKContextLanguageTag() const { return mpImplFont->maCJKLanguageTag; }
LanguageType Font::GetLanguage() const { return mpImplFont->maLanguageTag.getLanguageType( false); }
LanguageType Font::GetCJKContextLanguage() const { return mpImplFont->maCJKLanguageTag.getLanguageType( false); }
short Font::GetOrientation() const { return mpImplFont->mnOrientation; }
bool Font::IsVertical() const { return mpImplFont->mbVertical; }
FontKerning Font::GetKerning() const { return mpImplFont->mnKerning; }
FontPitch Font::GetPitch() const { return mpImplFont->GetPitch(); }
FontWeight Font::GetWeight() const { return mpImplFont->GetWeight(); }
FontWidth Font::GetWidthType() const { return mpImplFont->GetWidthType(); }
FontItalic Font::GetItalic() const { return mpImplFont->GetItalic(); }
FontFamily Font::GetFamily() const { return mpImplFont->GetFamily(); }
bool Font::IsOutline() const { return mpImplFont->mbOutline; }
bool Font::IsShadow() const { return mpImplFont->mbShadow; }
FontRelief Font::GetRelief() const { return mpImplFont->meRelief; }
FontUnderline Font::GetUnderline() const { return mpImplFont->meUnderline; }
FontUnderline Font::GetOverline() const { return mpImplFont->meOverline; }
FontStrikeout Font::GetStrikeout() const { return mpImplFont->meStrikeout; }
FontEmphasisMark Font::GetEmphasisMark() const { return mpImplFont->meEmphasisMark; }
bool Font::IsWordLineMode() const { return mpImplFont->mbWordLine; }
bool Font::IsSameInstance( const vcl::Font& rFont ) const { return (mpImplFont == rFont.mpImplFont); }
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */