6d36d7185b
It's cleaner than streaming the font and then hashing the result, and it's also faster. Change-Id: I6262e45362d386c21482f1e71be51912f123ee45 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/133500 Tested-by: Jenkins Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
194 lines
7.3 KiB
C++
194 lines
7.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_VCL_FONT_HXX
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#define INCLUDED_VCL_FONT_HXX
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#include <rtl/ustring.hxx>
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#include <sal/types.h>
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#include <vcl/dllapi.h>
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#include <tools/color.hxx>
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#include <tools/fontenum.hxx>
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#include <tools/long.hxx>
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#include <tools/degree.hxx>
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#include <i18nlangtag/lang.h>
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#include <vcl/fntstyle.hxx>
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#include <o3tl/cow_wrapper.hxx>
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class Size;
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class LanguageTag;
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class SvStream;
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class ImplFont;
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class FontAttributes;
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namespace vcl { class Font; }
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// need to first declare these outside the vcl namespace, or the friend declarations won't work right
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VCL_DLLPUBLIC SvStream& ReadFont( SvStream& rIStm, vcl::Font& );
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VCL_DLLPUBLIC SvStream& WriteFont( SvStream& rOStm, const vcl::Font& );
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namespace vcl {
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class SAL_WARN_UNUSED VCL_DLLPUBLIC Font
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{
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public:
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explicit Font();
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Font( const Font& ); // TODO make me explicit
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Font( Font&& ) noexcept;
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explicit Font( const OUString& rFamilyName, const Size& );
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explicit Font( const OUString& rFamilyName, const OUString& rStyleName, const Size& );
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explicit Font( FontFamily eFamily, const Size& );
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virtual ~Font();
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const OUString& GetFamilyName() const;
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FontFamily GetFamilyType();
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FontFamily GetFamilyType() const;
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const OUString& GetStyleName() const;
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FontWeight GetWeight();
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FontWeight GetWeight() const;
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FontItalic GetItalic();
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FontItalic GetItalic() const;
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FontPitch GetPitch();
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FontPitch GetPitch() const;
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FontWidth GetWidthType();
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FontWidth GetWidthType() const;
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TextAlign GetAlignment() const;
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rtl_TextEncoding GetCharSet() const;
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bool IsSymbolFont() const;
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void SetFamilyName( const OUString& rFamilyName );
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void SetStyleName( const OUString& rStyleName );
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void SetFamily( FontFamily );
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void SetPitch( FontPitch ePitch );
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void SetItalic( FontItalic );
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void SetWeight( FontWeight );
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void SetWidthType( FontWidth );
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void SetAlignment( TextAlign );
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void SetCharSet( rtl_TextEncoding );
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void SetSymbolFlag( bool );
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// Device dependent functions
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int GetQuality() const;
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void SetQuality(int);
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void IncreaseQualityBy(int);
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void DecreaseQualityBy(int);
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// setting the color on the font is obsolete, the only remaining
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// valid use is for keeping backward compatibility with old MetaFiles
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const Color& GetColor() const;
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const Color& GetFillColor() const;
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bool IsTransparent() const;
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void SetColor( const Color& );
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void SetFillColor( const Color& );
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void SetTransparent( bool bTransparent );
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void SetFontSize( const Size& );
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const Size& GetFontSize() const;
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void SetFontHeight( tools::Long nHeight );
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tools::Long GetFontHeight() const;
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void SetAverageFontWidth( tools::Long nWidth );
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tools::Long GetAverageFontWidth() const;
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// tdf#127471 for corrections on EMF/WMF we need the AvgFontWidth in Windows-specific notation
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tools::Long GetOrCalculateAverageFontWidth() const;
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// Prefer LanguageTag over LanguageType
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void SetLanguageTag( const LanguageTag & );
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const LanguageTag& GetLanguageTag() const;
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void SetCJKContextLanguageTag( const LanguageTag& );
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const LanguageTag& GetCJKContextLanguageTag() const;
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void SetLanguage( LanguageType );
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LanguageType GetLanguage() const;
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void SetCJKContextLanguage( LanguageType );
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LanguageType GetCJKContextLanguage() const;
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void SetOrientation( Degree10 nLineOrientation );
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Degree10 GetOrientation() const;
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void SetVertical( bool bVertical );
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bool IsVertical() const;
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void SetKerning( FontKerning nKerning );
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FontKerning GetKerning() const;
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bool IsKerning() const;
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void SetOutline( bool bOutline );
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bool IsOutline() const;
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void SetShadow( bool bShadow );
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bool IsShadow() const;
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void SetRelief( FontRelief );
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FontRelief GetRelief() const;
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void SetUnderline( FontLineStyle );
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FontLineStyle GetUnderline() const;
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void SetOverline( FontLineStyle );
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FontLineStyle GetOverline() const;
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void SetStrikeout( FontStrikeout );
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FontStrikeout GetStrikeout() const;
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void SetEmphasisMark( FontEmphasisMark );
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FontEmphasisMark GetEmphasisMark() const;
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void SetWordLineMode( bool bWordLine );
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bool IsWordLineMode() const;
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void Merge( const Font& rFont );
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void GetFontAttributes( FontAttributes& rAttrs ) const;
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Font& operator=( const Font& );
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Font& operator=( Font&& ) noexcept;
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bool operator==( const Font& ) const;
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bool operator!=( const Font& rFont ) const
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{ return !(Font::operator==( rFont )); }
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bool IsSameInstance( const Font& ) const;
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bool EqualIgnoreColor( const Font& ) const;
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// Compute value usable as hash.
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size_t GetHashValue() const;
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size_t GetHashValueIgnoreColor() const;
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friend VCL_DLLPUBLIC SvStream& ::ReadFont( SvStream& rIStm, vcl::Font& );
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friend VCL_DLLPUBLIC SvStream& ::WriteFont( SvStream& rOStm, const vcl::Font& );
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static Font identifyFont( const void* pBuffer, sal_uInt32 nLen );
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typedef o3tl::cow_wrapper< ImplFont > ImplType;
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inline bool IsUnderlineAbove() const;
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private:
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ImplType mpImplFont;
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};
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inline bool Font::IsUnderlineAbove() const
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{
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if (!IsVertical())
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return false;
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// the underline is right for Japanese only
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return (LANGUAGE_JAPANESE == GetLanguage()) ||
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(LANGUAGE_JAPANESE == GetCJKContextLanguage());
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}
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}
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#endif // _VCL_FONT_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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