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Diffstat (limited to 'vcl/source/font/font.cxx')
| -rw-r--r-- | vcl/source/font/font.cxx | 1155 |
1 files changed, 1155 insertions, 0 deletions
diff --git a/vcl/source/font/font.cxx b/vcl/source/font/font.cxx new file mode 100644 index 000000000..2b7f22ad0 --- /dev/null +++ b/vcl/source/font/font.cxx @@ -0,0 +1,1155 @@ +/* -*- 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 <tools/stream.hxx> +#include <tools/vcompat.hxx> +#include <tools/gen.hxx> +#include <unotools/configmgr.hxx> +#include <unotools/fontcfg.hxx> +#include <unotools/fontdefs.hxx> +#include <o3tl/hash_combine.hxx> + +#include <vcl/font.hxx> +#include <vcl/svapp.hxx> +#include <vcl/outdev.hxx> +#include <vcl/virdev.hxx> + +#include <impfont.hxx> +#include <fontattributes.hxx> +#include <fontsubset.hxx> +#include <sft.hxx> + +#include <algorithm> +#include <string_view> + +#include <vcl/TypeSerializer.hxx> + +#ifdef _WIN32 +#include <vcl/metric.hxx> +#endif + +using namespace vcl; + +namespace +{ + Font::ImplType& GetGlobalDefault() + { + static Font::ImplType gDefault; + return gDefault; + } +} + +Font::Font() : mpImplFont(GetGlobalDefault()) +{ +} + +Font::Font( const vcl::Font& rFont ) : mpImplFont( rFont.mpImplFont ) +{ +} + +Font::Font( vcl::Font&& rFont ) noexcept : mpImplFont( std::move(rFont.mpImplFont) ) +{ +} + +Font::Font( const OUString& rFamilyName, const Size& rSize ) +{ + if (const_cast<const ImplType&>(mpImplFont)->maFamilyName != rFamilyName + || const_cast<const ImplType&>(mpImplFont)->maAverageFontSize != rSize) + { + mpImplFont->SetFamilyName( rFamilyName ); + mpImplFont->SetFontSize( rSize ); + } +} + +Font::Font( const OUString& rFamilyName, const OUString& rStyleName, const Size& rSize ) +{ + if (const_cast<const ImplType&>(mpImplFont)->maFamilyName != rFamilyName + || const_cast<const ImplType&>(mpImplFont)->maStyleName != rStyleName + || const_cast<const ImplType&>(mpImplFont)->maAverageFontSize != rSize) + { + mpImplFont->SetFamilyName( rFamilyName ); + mpImplFont->SetStyleName( rStyleName ); + mpImplFont->SetFontSize( rSize ); + } +} + +Font::Font( FontFamily eFamily, const Size& rSize ) +{ + if (const_cast<const ImplType&>(mpImplFont)->meFamily != eFamily + || const_cast<const ImplType&>(mpImplFont)->maAverageFontSize != rSize) + { + mpImplFont->SetFamilyType( eFamily ); + mpImplFont->SetFontSize( rSize ); + } +} + +Font::~Font() +{ +} + +void Font::SetColor( const Color& rColor ) +{ + if (const_cast<const ImplType&>(mpImplFont)->maColor != rColor) + { + mpImplFont->maColor = rColor; + } +} + +void Font::SetFillColor( const Color& rColor ) +{ + if (const_cast<const ImplType&>(mpImplFont)->maFillColor != rColor) + { + mpImplFont->maFillColor = rColor; + if ( rColor.IsTransparent() ) + mpImplFont->mbTransparent = true; + } +} + +void Font::SetTransparent( bool bTransparent ) +{ + if (const_cast<const ImplType&>(mpImplFont)->mbTransparent != bTransparent) + mpImplFont->mbTransparent = bTransparent; +} + +void Font::SetAlignment( TextAlign eAlign ) +{ + if (const_cast<const ImplType&>(mpImplFont)->meAlign != eAlign) + mpImplFont->SetAlignment(eAlign); +} + +void Font::SetFamilyName( const OUString& rFamilyName ) +{ + if (const_cast<const ImplType&>(mpImplFont)->maFamilyName != rFamilyName) + mpImplFont->SetFamilyName( rFamilyName ); +} + +void Font::SetStyleName( const OUString& rStyleName ) +{ + if (const_cast<const ImplType&>(mpImplFont)->maStyleName != rStyleName) + mpImplFont->maStyleName = rStyleName; +} + +void Font::SetFontSize( const Size& rSize ) +{ + if (const_cast<const ImplType&>(mpImplFont)->GetFontSize() != rSize) + mpImplFont->SetFontSize( rSize ); +} + +void Font::SetFamily( FontFamily eFamily ) +{ + if (const_cast<const ImplType&>(mpImplFont)->GetFamilyTypeNoAsk() != eFamily) + mpImplFont->SetFamilyType( eFamily ); +} + +void Font::SetCharSet( rtl_TextEncoding eCharSet ) +{ + if (const_cast<const ImplType&>(mpImplFont)->GetCharSet() != eCharSet) + { + mpImplFont->SetCharSet( eCharSet ); + + if ( eCharSet == RTL_TEXTENCODING_SYMBOL ) + mpImplFont->SetSymbolFlag( true ); + else + mpImplFont->SetSymbolFlag( false ); + } +} + +bool Font::IsSymbolFont() const +{ + return mpImplFont->IsSymbolFont(); +} + +void Font::SetSymbolFlag( bool bSymbol ) +{ + if (const_cast<const ImplType&>(mpImplFont)->mbSymbolFlag != bSymbol) + { + mpImplFont->SetSymbolFlag( bSymbol ); + + if ( IsSymbolFont() ) + { + mpImplFont->SetCharSet( RTL_TEXTENCODING_SYMBOL ); + } + else + { + if ( std::as_const(mpImplFont)->GetCharSet() == RTL_TEXTENCODING_SYMBOL ) + mpImplFont->SetCharSet( RTL_TEXTENCODING_DONTKNOW ); + } + } +} + +void Font::SetLanguageTag( const LanguageTag& rLanguageTag ) +{ + if (const_cast<const ImplType&>(mpImplFont)->maLanguageTag != rLanguageTag) + mpImplFont->maLanguageTag = rLanguageTag; +} + +void Font::SetCJKContextLanguageTag( const LanguageTag& rLanguageTag ) +{ + if (const_cast<const ImplType&>(mpImplFont)->maCJKLanguageTag != rLanguageTag) + mpImplFont->maCJKLanguageTag = rLanguageTag; +} + +void Font::SetLanguage( LanguageType eLanguage ) +{ + if (const_cast<const ImplType&>(mpImplFont)->maLanguageTag.getLanguageType(false) != eLanguage) + mpImplFont->maLanguageTag.reset( eLanguage); +} + +void Font::SetCJKContextLanguage( LanguageType eLanguage ) +{ + if (const_cast<const ImplType&>(mpImplFont)->maCJKLanguageTag.getLanguageType(false) != eLanguage) + mpImplFont->maCJKLanguageTag.reset( eLanguage); +} + +void Font::SetPitch( FontPitch ePitch ) +{ + if (const_cast<const ImplType&>(mpImplFont)->GetPitchNoAsk() != ePitch) + mpImplFont->SetPitch( ePitch ); +} + +void Font::SetOrientation( Degree10 nOrientation ) +{ + if (const_cast<const ImplType&>(mpImplFont)->mnOrientation != nOrientation) + mpImplFont->mnOrientation = nOrientation; +} + +void Font::SetVertical( bool bVertical ) +{ + if (const_cast<const ImplType&>(mpImplFont)->mbVertical != bVertical) + mpImplFont->mbVertical = bVertical; +} + +void Font::SetKerning( FontKerning eKerning ) +{ + if (const_cast<const ImplType&>(mpImplFont)->meKerning != eKerning) + mpImplFont->meKerning = eKerning; +} + +bool Font::IsKerning() const +{ + return mpImplFont->meKerning != FontKerning::NONE; +} + +void Font::SetWeight( FontWeight eWeight ) +{ + if (const_cast<const ImplType&>(mpImplFont)->GetWeightNoAsk() != eWeight) + mpImplFont->SetWeight( eWeight ); +} + +void Font::SetWidthType( FontWidth eWidth ) +{ + if (const_cast<const ImplType&>(mpImplFont)->GetWidthTypeNoAsk() != eWidth) + mpImplFont->SetWidthType( eWidth ); +} + +void Font::SetItalic( FontItalic eItalic ) +{ + if (const_cast<const ImplType&>(mpImplFont)->GetItalicNoAsk() != eItalic) + mpImplFont->SetItalic( eItalic ); +} + +void Font::SetOutline( bool bOutline ) +{ + if (const_cast<const ImplType&>(mpImplFont)->mbOutline != bOutline) + mpImplFont->mbOutline = bOutline; +} + +void Font::SetShadow( bool bShadow ) +{ + if (const_cast<const ImplType&>(mpImplFont)->mbShadow != bShadow) + mpImplFont->mbShadow = bShadow; +} + +void Font::SetUnderline( FontLineStyle eUnderline ) +{ + if (const_cast<const ImplType&>(mpImplFont)->meUnderline != eUnderline) + mpImplFont->meUnderline = eUnderline; +} + +void Font::SetOverline( FontLineStyle eOverline ) +{ + if (const_cast<const ImplType&>(mpImplFont)->meOverline != eOverline) + mpImplFont->meOverline = eOverline; +} + +void Font::SetStrikeout( FontStrikeout eStrikeout ) +{ + if (const_cast<const ImplType&>(mpImplFont)->meStrikeout != eStrikeout) + mpImplFont->meStrikeout = eStrikeout; +} + +void Font::SetRelief( FontRelief eRelief ) +{ + if (const_cast<const ImplType&>(mpImplFont)->meRelief != eRelief) + mpImplFont->meRelief = eRelief; +} + +void Font::SetEmphasisMark( FontEmphasisMark eEmphasisMark ) +{ + if (const_cast<const ImplType&>(mpImplFont)->meEmphasisMark != eEmphasisMark ) + mpImplFont->meEmphasisMark = eEmphasisMark; +} + +void Font::SetWordLineMode( bool bWordLine ) +{ + if (const_cast<const ImplType&>(mpImplFont)->mbWordLine != bWordLine) + mpImplFont->mbWordLine = bWordLine; +} + +Font& Font::operator=( const vcl::Font& rFont ) +{ + mpImplFont = rFont.mpImplFont; + return *this; +} + +Font& Font::operator=( vcl::Font&& rFont ) noexcept +{ + mpImplFont = std::move(rFont.mpImplFont); + return *this; +} + +bool Font::operator==( const vcl::Font& rFont ) const +{ + return mpImplFont == rFont.mpImplFont; +} + +bool Font::EqualIgnoreColor( const vcl::Font& rFont ) const +{ + return mpImplFont->EqualIgnoreColor( *rFont.mpImplFont ); +} + +size_t Font::GetHashValue() const +{ + return mpImplFont->GetHashValue(); +} + +size_t Font::GetHashValueIgnoreColor() const +{ + return mpImplFont->GetHashValueIgnoreColor(); +} + +void Font::Merge( const vcl::Font& rFont ) +{ + if ( !rFont.GetFamilyName().isEmpty() ) + { + SetFamilyName( rFont.GetFamilyName() ); + 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->GetFamilyTypeNoAsk() ); + SetPitch( rFont.mpImplFont->GetPitchNoAsk() ); + } + + // don't use access methods here, might lead to AskConfig(), if DONTKNOW + if ( rFont.mpImplFont->GetWeightNoAsk() != WEIGHT_DONTKNOW ) + SetWeight( rFont.GetWeight() ); + if ( rFont.mpImplFont->GetItalicNoAsk() != ITALIC_DONTKNOW ) + SetItalic( rFont.GetItalic() ); + if ( rFont.mpImplFont->GetWidthTypeNoAsk() != WIDTH_DONTKNOW ) + SetWidthType( rFont.GetWidthType() ); + + if ( rFont.GetFontSize().Height() ) + SetFontSize( rFont.GetFontSize() ); + if ( rFont.GetUnderline() != LINESTYLE_DONTKNOW ) + { + SetUnderline( rFont.GetUnderline() ); + SetWordLineMode( rFont.IsWordLineMode() ); + } + if ( rFont.GetOverline() != LINESTYLE_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( FontAttributes& rAttrs ) const +{ + rAttrs.SetFamilyName( mpImplFont->GetFamilyName() ); + rAttrs.SetStyleName( mpImplFont->maStyleName ); + rAttrs.SetFamilyType( mpImplFont->GetFamilyTypeNoAsk() ); + rAttrs.SetPitch( mpImplFont->GetPitchNoAsk() ); + rAttrs.SetItalic( mpImplFont->GetItalicNoAsk() ); + rAttrs.SetWeight( mpImplFont->GetWeightNoAsk() ); + rAttrs.SetWidthType( WIDTH_DONTKNOW ); + rAttrs.SetSymbolFlag( mpImplFont->GetCharSet() == RTL_TEXTENCODING_SYMBOL ); +} + +// tdf#127471 for corrections on EMF/WMF we need the AvgFontWidth in Windows-specific notation +tools::Long Font::GetOrCalculateAverageFontWidth() const +{ + if(0 == mpImplFont->GetCalculatedAverageFontWidth()) + { + // VirtualDevice is not thread safe + SolarMutexGuard aGuard; + + // create unscaled copy of font (this), a VirtualDevice and set it there + vcl::Font aUnscaledFont(*this); + ScopedVclPtr<VirtualDevice> pTempVirtualDevice(VclPtr<VirtualDevice>::Create()); + aUnscaledFont.SetAverageFontWidth(0); + pTempVirtualDevice->SetFont(aUnscaledFont); + +#ifdef _WIN32 + // on Windows systems use FontMetric to get/create AverageFontWidth from system + const FontMetric aMetric(pTempVirtualDevice->GetFontMetric()); + const_cast<Font*>(this)->mpImplFont->SetCalculatedAverageFontWidth(aMetric.GetAverageFontWidth()); +#else + // On non-Windows systems we need to calculate AvgFontWidth + // as close as possible (discussion see documentation in task), + // so calculate it. For discussion of method used, see task + // buffer measure string creation, will always use the same + static constexpr OUStringLiteral aMeasureString + = u"\u0020\u0021\u0022\u0023\u0024\u0025\u0026\u0027" + "\u0028\u0029\u002A\u002B\u002C\u002D\u002E\u002F" + "\u0030\u0031\u0032\u0033\u0034\u0035\u0036\u0037" + "\u0038\u0039\u003A\u003B\u003C\u003D\u003E\u003F" + "\u0040\u0041\u0042\u0043\u0044\u0045\u0046\u0047" + "\u0048\u0049\u004A\u004B\u004C\u004D\u004E\u004F" + "\u0050\u0051\u0052\u0053\u0054\u0055\u0056\u0057" + "\u0058\u0059\u005A\u005B\u005C\u005D\u005E\u005F" + "\u0060\u0061\u0062\u0063\u0064\u0065\u0066\u0067" + "\u0068\u0069\u006A\u006B\u006C\u006D\u006E\u006F" + "\u0070\u0071\u0072\u0073\u0074\u0075\u0076\u0077" + "\u0078\u0079\u007A\u007B\u007C\u007D\u007E"; + + const double fAverageFontWidth( + pTempVirtualDevice->GetTextWidth(aMeasureString) / + static_cast<double>(aMeasureString.getLength())); + const_cast<Font*>(this)->mpImplFont->SetCalculatedAverageFontWidth(basegfx::fround(fAverageFontWidth)); +#endif + } + + return mpImplFont->GetCalculatedAverageFontWidth(); +} + +SvStream& ReadImplFont( SvStream& rIStm, ImplFont& rImplFont, tools::Long& rnNormedFontScaling ) +{ + VersionCompatRead aCompat( rIStm ); + sal_uInt16 nTmp16(0); + sal_Int16 nTmps16(0); + bool bTmp(false); + sal_uInt8 nTmp8(0); + + rImplFont.SetFamilyName( rIStm.ReadUniOrByteString(rIStm.GetStreamCharSet()) ); + rImplFont.maStyleName = rIStm.ReadUniOrByteString(rIStm.GetStreamCharSet()); + TypeSerializer aSerializer(rIStm); + aSerializer.readSize(rImplFont.maAverageFontSize); + + static const bool bFuzzing = utl::ConfigManager::IsFuzzing(); + if (bFuzzing) + { + if (rImplFont.maAverageFontSize.Width() > 8192) + { + SAL_WARN("vcl.gdi", "suspicious average width of: " << rImplFont.maAverageFontSize.Width()); + rImplFont.maAverageFontSize.setWidth(8192); + } + } + + rIStm.ReadUInt16( nTmp16 ); rImplFont.SetCharSet( static_cast<rtl_TextEncoding>(nTmp16) ); + rIStm.ReadUInt16( nTmp16 ); rImplFont.SetFamilyType( static_cast<FontFamily>(nTmp16) ); + rIStm.ReadUInt16( nTmp16 ); rImplFont.SetPitch( static_cast<FontPitch>(nTmp16) ); + rIStm.ReadUInt16( nTmp16 ); rImplFont.SetWeight( static_cast<FontWeight>(nTmp16) ); + rIStm.ReadUInt16( nTmp16 ); rImplFont.meUnderline = static_cast<FontLineStyle>(nTmp16); + rIStm.ReadUInt16( nTmp16 ); rImplFont.meStrikeout = static_cast<FontStrikeout>(nTmp16); + rIStm.ReadUInt16( nTmp16 ); rImplFont.SetItalic( static_cast<FontItalic>(nTmp16) ); + rIStm.ReadUInt16( nTmp16 ); rImplFont.maLanguageTag.reset( LanguageType(nTmp16) ); + rIStm.ReadUInt16( nTmp16 ); rImplFont.meWidthType = static_cast<FontWidth>(nTmp16); + + rIStm.ReadInt16( nTmps16 ); rImplFont.mnOrientation = Degree10(nTmps16); + + rIStm.ReadCharAsBool( bTmp ); rImplFont.mbWordLine = bTmp; + rIStm.ReadCharAsBool( bTmp ); rImplFont.mbOutline = bTmp; + rIStm.ReadCharAsBool( bTmp ); rImplFont.mbShadow = bTmp; + rIStm.ReadUChar( nTmp8 ); rImplFont.meKerning = static_cast<FontKerning>(nTmp8); + + if( aCompat.GetVersion() >= 2 ) + { + rIStm.ReadUChar( nTmp8 ); rImplFont.meRelief = static_cast<FontRelief>(nTmp8); + rIStm.ReadUInt16( nTmp16 ); rImplFont.maCJKLanguageTag.reset( LanguageType(nTmp16) ); + rIStm.ReadCharAsBool( bTmp ); rImplFont.mbVertical = bTmp; + rIStm.ReadUInt16( nTmp16 ); rImplFont.meEmphasisMark = static_cast<FontEmphasisMark>(nTmp16); + } + + if( aCompat.GetVersion() >= 3 ) + { + rIStm.ReadUInt16( nTmp16 ); rImplFont.meOverline = static_cast<FontLineStyle>(nTmp16); + } + + // tdf#127471 read NormedFontScaling + if( aCompat.GetVersion() >= 4 ) + { + sal_Int32 nNormedFontScaling(0); + rIStm.ReadInt32(nNormedFontScaling); + rnNormedFontScaling = nNormedFontScaling; + } + + // Relief + // CJKContextLanguage + + return rIStm; +} + +SvStream& WriteImplFont( SvStream& rOStm, const ImplFont& rImplFont, tools::Long nNormedFontScaling ) +{ + // tdf#127471 increase to version 4 + VersionCompatWrite aCompat( rOStm, 4 ); + + TypeSerializer aSerializer(rOStm); + rOStm.WriteUniOrByteString( rImplFont.GetFamilyName(), rOStm.GetStreamCharSet() ); + rOStm.WriteUniOrByteString( rImplFont.GetStyleName(), rOStm.GetStreamCharSet() ); + aSerializer.writeSize(rImplFont.maAverageFontSize); + + rOStm.WriteUInt16( GetStoreCharSet( rImplFont.GetCharSet() ) ); + rOStm.WriteUInt16( rImplFont.GetFamilyTypeNoAsk() ); + rOStm.WriteUInt16( rImplFont.GetPitchNoAsk() ); + rOStm.WriteUInt16( rImplFont.GetWeightNoAsk() ); + rOStm.WriteUInt16( rImplFont.meUnderline ); + rOStm.WriteUInt16( rImplFont.meStrikeout ); + rOStm.WriteUInt16( rImplFont.GetItalicNoAsk() ); + rOStm.WriteUInt16( static_cast<sal_uInt16>(rImplFont.maLanguageTag.getLanguageType( false)) ); + rOStm.WriteUInt16( rImplFont.GetWidthTypeNoAsk() ); + + rOStm.WriteInt16( rImplFont.mnOrientation.get() ); + + rOStm.WriteBool( rImplFont.mbWordLine ); + rOStm.WriteBool( rImplFont.mbOutline ); + rOStm.WriteBool( rImplFont.mbShadow ); + rOStm.WriteUChar( static_cast<sal_uInt8>(rImplFont.meKerning) ); + + // new in version 2 + rOStm.WriteUChar( static_cast<unsigned char>(rImplFont.meRelief) ); + rOStm.WriteUInt16( static_cast<sal_uInt16>(rImplFont.maCJKLanguageTag.getLanguageType( false)) ); + rOStm.WriteBool( rImplFont.mbVertical ); + rOStm.WriteUInt16( static_cast<sal_uInt16>(rImplFont.meEmphasisMark) ); + + // new in version 3 + rOStm.WriteUInt16( rImplFont.meOverline ); + + // new in version 4, NormedFontScaling + rOStm.WriteInt32(nNormedFontScaling); + + return rOStm; +} + +SvStream& ReadFont( SvStream& rIStm, vcl::Font& rFont ) +{ + // tdf#127471 try to read NormedFontScaling + tools::Long nNormedFontScaling(0); + SvStream& rRetval(ReadImplFont( rIStm, *rFont.mpImplFont, nNormedFontScaling )); + + if (nNormedFontScaling > 0) + { +#ifdef _WIN32 + // we run on windows and a NormedFontScaling was written + if(rFont.GetFontSize().getWidth() == nNormedFontScaling) + { + // the writing producer was running on a non-windows system, adapt to needed windows + // system-specific pre-multiply + const tools::Long nHeight(std::max<tools::Long>(rFont.GetFontSize().getHeight(), 0)); + sal_uInt32 nScaledWidth(0); + + if(nHeight > 0) + { + vcl::Font aUnscaledFont(rFont); + aUnscaledFont.SetAverageFontWidth(0); + const FontMetric aUnscaledFontMetric(Application::GetDefaultDevice()->GetFontMetric(aUnscaledFont)); + + if (nHeight > 0) + { + const double fScaleFactor(static_cast<double>(nNormedFontScaling) / static_cast<double>(nHeight)); + nScaledWidth = basegfx::fround(static_cast<double>(aUnscaledFontMetric.GetAverageFontWidth()) * fScaleFactor); + } + } + + rFont.SetAverageFontWidth(nScaledWidth); + } + else + { + // the writing producer was on a windows system, correct pre-multiplied value + // is already set, nothing to do. Ignore 2nd value. Here a check + // could be done if adapting the 2nd, NormedFontScaling value would be similar to + // the set value for plausibility reasons + } +#else + // we do not run on windows and a NormedFontScaling was written + if(rFont.GetFontSize().getWidth() == nNormedFontScaling) + { + // the writing producer was not on a windows system, correct value + // already set, nothing to do + } + else + { + // the writing producer was on a windows system, correct FontScaling. + // The correct non-pre-multiplied value is the 2nd one, use it + rFont.SetAverageFontWidth(nNormedFontScaling); + } +#endif + } + + return rRetval; +} + +SvStream& WriteFont( SvStream& rOStm, const vcl::Font& rFont ) +{ + // tdf#127471 prepare NormedFontScaling for additional export + tools::Long nNormedFontScaling(rFont.GetFontSize().getWidth()); + + // FontScaling usage at vcl-Font is detected by checking that FontWidth != 0 + if (nNormedFontScaling > 0) + { + const tools::Long nHeight(std::max<tools::Long>(rFont.GetFontSize().getHeight(), 0)); + + // check for negative height + if(0 == nHeight) + { + nNormedFontScaling = 0; + } + else + { +#ifdef _WIN32 + // for WIN32 the value is pre-multiplied with AverageFontWidth + // which makes it system-dependent. Turn that back to have the + // normed non-windows form of it for export as 2nd value + vcl::Font aUnscaledFont(rFont); + aUnscaledFont.SetAverageFontWidth(0); + const FontMetric aUnscaledFontMetric( + Application::GetDefaultDevice()->GetFontMetric(aUnscaledFont)); + + if (aUnscaledFontMetric.GetAverageFontWidth() > 0) + { + const double fScaleFactor( + static_cast<double>(nNormedFontScaling) + / static_cast<double>(aUnscaledFontMetric.GetAverageFontWidth())); + nNormedFontScaling = static_cast<tools::Long>(fScaleFactor * nHeight); + } +#endif + } + } + + return WriteImplFont( rOStm, *rFont.mpImplFont, nNormedFontScaling ); +} + +namespace +{ + bool identifyTrueTypeFont( const void* i_pBuffer, sal_uInt32 i_nSize, Font& o_rResult ) + { + bool bResult = false; + TrueTypeFont* pTTF = nullptr; + if( OpenTTFontBuffer( i_pBuffer, i_nSize, 0, &pTTF ) == SFErrCodes::Ok ) + { + TTGlobalFontInfo aInfo; + GetTTGlobalFontInfo( pTTF, &aInfo ); + // most importantly: the family name + if( aInfo.ufamily ) + o_rResult.SetFamilyName( OUString(aInfo.ufamily) ); + else if( aInfo.family ) + o_rResult.SetFamilyName( 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.SetAverageFontWidth( WIDTH_ULTRA_CONDENSED ); + else if( aInfo.width == FWIDTH_EXTRA_CONDENSED ) + o_rResult.SetAverageFontWidth( WIDTH_EXTRA_CONDENSED ); + else if( aInfo.width == FWIDTH_CONDENSED ) + o_rResult.SetAverageFontWidth( WIDTH_CONDENSED ); + else if( aInfo.width == FWIDTH_SEMI_CONDENSED ) + o_rResult.SetAverageFontWidth( WIDTH_SEMI_CONDENSED ); + else if( aInfo.width == FWIDTH_NORMAL ) + o_rResult.SetAverageFontWidth( WIDTH_NORMAL ); + else if( aInfo.width == FWIDTH_SEMI_EXPANDED ) + o_rResult.SetAverageFontWidth( WIDTH_SEMI_EXPANDED ); + else if( aInfo.width == FWIDTH_EXPANDED ) + o_rResult.SetAverageFontWidth( WIDTH_EXPANDED ); + else if( aInfo.width == FWIDTH_EXTRA_EXPANDED ) + o_rResult.SetAverageFontWidth( WIDTH_EXTRA_EXPANDED ); + else if( aInfo.width >= FWIDTH_ULTRA_EXPANDED ) + o_rResult.SetAverageFontWidth( 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; + } + } + const 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 ) + { + // might be a type1, find eexec + const char* pStream = i_pBuffer; + const char* const 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* const 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.SetFamilyName( OStringToOUString( std::string_view( pOpen+1, pClose-pOpen-1 ), RTL_TEXTENCODING_ASCII_US ) ); + } + } + + // parse /ItalicAngle + static const char* const pItalic = "/ItalicAngle"; + const char* pItalicPos = std::search( pStream, pExecPos, pItalic, pItalic+12 ); + if( pItalicPos != pExecPos ) + { + const char* pItalicEnd = pItalicPos + 12; + auto nItalic = rtl_str_toInt64_WithLength(pItalicEnd, 10, pExecPos - pItalicEnd); + o_rResult.SetItalic( (nItalic != 0) ? ITALIC_NORMAL : ITALIC_NONE ); + } + + // parse /Weight + static const char* const 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; + WeightSearchEntry const * pFound = std::lower_bound( std::begin(weight_table), std::end(weight_table), aEnt ); + if( pFound != std::end(weight_table) && + rtl_str_compareIgnoreAsciiCase_WithLength( pFound->string, pFound->string_len, aEnt.string, aEnt.string_len) == 0 ) + o_rResult.SetWeight( pFound->weight ); + } + } + + // parse isFixedPitch + static const char* const 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 false; + } +} + +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; } + +TextAlign Font::GetAlignment() const { return mpImplFont->GetAlignment(); } + +const OUString& Font::GetFamilyName() const { return mpImplFont->GetFamilyName(); } +const OUString& Font::GetStyleName() const { return mpImplFont->maStyleName; } + +const Size& Font::GetFontSize() const { return mpImplFont->GetFontSize(); } +void Font::SetFontHeight( tools::Long nHeight ) { SetFontSize( Size( std::as_const(mpImplFont)->GetFontSize().Width(), nHeight ) ); } +tools::Long Font::GetFontHeight() const { return mpImplFont->GetFontSize().Height(); } +void Font::SetAverageFontWidth( tools::Long nWidth ) { SetFontSize( Size( nWidth, std::as_const(mpImplFont)->GetFontSize().Height() ) ); } +tools::Long Font::GetAverageFontWidth() const { return mpImplFont->GetFontSize().Width(); } + +rtl_TextEncoding Font::GetCharSet() const { return mpImplFont->GetCharSet(); } + +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); } + +Degree10 Font::GetOrientation() const { return mpImplFont->mnOrientation; } +bool Font::IsVertical() const { return mpImplFont->mbVertical; } +FontKerning Font::GetKerning() const { return mpImplFont->meKerning; } + +FontPitch Font::GetPitch() { return mpImplFont->GetPitch(); } +FontWeight Font::GetWeight() { return mpImplFont->GetWeight(); } +FontWidth Font::GetWidthType() { return mpImplFont->GetWidthType(); } +FontItalic Font::GetItalic() { return mpImplFont->GetItalic(); } +FontFamily Font::GetFamilyType() { return mpImplFont->GetFamilyType(); } + +FontPitch Font::GetPitch() const { return mpImplFont->GetPitchNoAsk(); } +FontWeight Font::GetWeight() const { return mpImplFont->GetWeightNoAsk(); } +FontWidth Font::GetWidthType() const { return mpImplFont->GetWidthTypeNoAsk(); } +FontItalic Font::GetItalic() const { return mpImplFont->GetItalicNoAsk(); } +FontFamily Font::GetFamilyType() const { return mpImplFont->GetFamilyTypeNoAsk(); } + +int Font::GetQuality() const { return mpImplFont->GetQuality(); } +void Font::SetQuality( int nQuality ) { mpImplFont->SetQuality( nQuality ); } +void Font::IncreaseQualityBy( int nQualityAmount ) { mpImplFont->IncreaseQualityBy( nQualityAmount ); } +void Font::DecreaseQualityBy( int nQualityAmount ) { mpImplFont->DecreaseQualityBy( nQualityAmount ); } + +bool Font::IsOutline() const { return mpImplFont->mbOutline; } +bool Font::IsShadow() const { return mpImplFont->mbShadow; } +FontRelief Font::GetRelief() const { return mpImplFont->meRelief; } +FontLineStyle Font::GetUnderline() const { return mpImplFont->meUnderline; } +FontLineStyle 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); } + + +ImplFont::ImplFont() : + meWeight( WEIGHT_DONTKNOW ), + meFamily( FAMILY_DONTKNOW ), + mePitch( PITCH_DONTKNOW ), + meWidthType( WIDTH_DONTKNOW ), + meItalic( ITALIC_NONE ), + meAlign( ALIGN_TOP ), + meUnderline( LINESTYLE_NONE ), + meOverline( LINESTYLE_NONE ), + meStrikeout( STRIKEOUT_NONE ), + meRelief( FontRelief::NONE ), + meEmphasisMark( FontEmphasisMark::NONE ), + meKerning( FontKerning::FontSpecific ), + meCharSet( RTL_TEXTENCODING_DONTKNOW ), + maLanguageTag( LANGUAGE_DONTKNOW ), + maCJKLanguageTag( LANGUAGE_DONTKNOW ), + mbSymbolFlag( false ), + mbOutline( false ), + mbConfigLookup( false ), + mbShadow( false ), + mbVertical( false ), + mbTransparent( true ), + maColor( COL_TRANSPARENT ), + maFillColor( COL_TRANSPARENT ), + mbWordLine( false ), + mnOrientation( 0 ), + mnQuality( 0 ), + mnCalculatedAverageFontWidth( 0 ) +{} + +ImplFont::ImplFont( const ImplFont& rImplFont ) : + maFamilyName( rImplFont.maFamilyName ), + maStyleName( rImplFont.maStyleName ), + meWeight( rImplFont.meWeight ), + meFamily( rImplFont.meFamily ), + mePitch( rImplFont.mePitch ), + meWidthType( rImplFont.meWidthType ), + meItalic( rImplFont.meItalic ), + meAlign( rImplFont.meAlign ), + meUnderline( rImplFont.meUnderline ), + meOverline( rImplFont.meOverline ), + meStrikeout( rImplFont.meStrikeout ), + meRelief( rImplFont.meRelief ), + meEmphasisMark( rImplFont.meEmphasisMark ), + meKerning( rImplFont.meKerning ), + maAverageFontSize( rImplFont.maAverageFontSize ), + meCharSet( rImplFont.meCharSet ), + maLanguageTag( rImplFont.maLanguageTag ), + maCJKLanguageTag( rImplFont.maCJKLanguageTag ), + mbSymbolFlag( rImplFont.mbSymbolFlag ), + mbOutline( rImplFont.mbOutline ), + mbConfigLookup( rImplFont.mbConfigLookup ), + mbShadow( rImplFont.mbShadow ), + mbVertical( rImplFont.mbVertical ), + mbTransparent( rImplFont.mbTransparent ), + maColor( rImplFont.maColor ), + maFillColor( rImplFont.maFillColor ), + mbWordLine( rImplFont.mbWordLine ), + mnOrientation( rImplFont.mnOrientation ), + mnQuality( rImplFont.mnQuality ), + mnCalculatedAverageFontWidth( rImplFont.mnCalculatedAverageFontWidth ) +{} + +bool ImplFont::operator==( const ImplFont& rOther ) const +{ + if(!EqualIgnoreColor( rOther )) + return false; + + if( (maColor != rOther.maColor) + || (maFillColor != rOther.maFillColor) ) + return false; + + return true; +} + +bool ImplFont::EqualIgnoreColor( const ImplFont& 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( (maAverageFontSize != rOther.maAverageFontSize) + || (mnOrientation != rOther.mnOrientation) + || (mbVertical != rOther.mbVertical) ) + return false; + + if( (maFamilyName != rOther.maFamilyName) + || (maStyleName != rOther.maStyleName) ) + 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) + || (meKerning != rOther.meKerning) + || (mbTransparent != rOther.mbTransparent) ) + return false; + + return true; +} + +size_t ImplFont::GetHashValue() const +{ + size_t hash = GetHashValueIgnoreColor(); + o3tl::hash_combine( hash, static_cast<sal_uInt32>( maColor )); + o3tl::hash_combine( hash, static_cast<sal_uInt32>( maFillColor )); + return hash; +} + +size_t ImplFont::GetHashValueIgnoreColor() const +{ + size_t hash = 0; + + o3tl::hash_combine( hash, meWeight ); + o3tl::hash_combine( hash, meItalic ); + o3tl::hash_combine( hash, meFamily ); + o3tl::hash_combine( hash, mePitch ); + + o3tl::hash_combine( hash, meCharSet ); + o3tl::hash_combine( hash, maLanguageTag.getLanguageType( false ).get()); + o3tl::hash_combine( hash, maCJKLanguageTag.getLanguageType( false ).get()); + o3tl::hash_combine( hash, meAlign ); + + o3tl::hash_combine( hash, maAverageFontSize.GetHashValue()); + o3tl::hash_combine( hash, mnOrientation.get()); + o3tl::hash_combine( hash, mbVertical ); + + o3tl::hash_combine( hash, maFamilyName ); + o3tl::hash_combine( hash, maStyleName ); + + o3tl::hash_combine( hash, meUnderline ); + o3tl::hash_combine( hash, meOverline ); + o3tl::hash_combine( hash, meStrikeout ); + o3tl::hash_combine( hash, meRelief ); + o3tl::hash_combine( hash, meEmphasisMark ); + o3tl::hash_combine( hash, mbWordLine ); + o3tl::hash_combine( hash, mbOutline ); + o3tl::hash_combine( hash, mbShadow ); + o3tl::hash_combine( hash, meKerning ); + o3tl::hash_combine( hash, mbTransparent ); + + return hash; +} + +void ImplFont::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( GetWeight() == WEIGHT_DONTKNOW ) + SetWeight( eWeight ); + if( meWidthType == WIDTH_DONTKNOW ) + meWidthType = eWidthType; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |