/* -*- 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 . */ #ifndef _SV_OUTFONT_HXX #define _SV_OUTFONT_HXX #include #include #include #include #include #include #include #include class ImplDevFontListData; class ImplGetDevFontList; class ImplGetDevSizeList; class ImplFontEntry; class ImplDirectFontSubstitution; class ImplPreMatchFontSubstitution; class ImplGlyphFallbackFontSubstitution; class FontSelectPattern; class Font; class ConvertChar; struct FontMatchStatus; class OutputDevice; class Size; namespace com { namespace sun { namespace star { namespace lang { struct Locale; }}}} // ---------------------- // - ImplFontAttributes - // ---------------------- // device independent font properties class ImplFontAttributes { public: // TODO: create matching interface class const String& GetFamilyName() const { return maName; } const String& GetStyleName() const { return maStyleName; } FontWeight GetWeight() const { return meWeight; } FontItalic GetSlant() const { return meItalic; } FontFamily GetFamilyType() const { return meFamily; } FontPitch GetPitch() const { return mePitch; } FontWidth GetWidthType() const { return meWidthType; } bool IsSymbolFont() const { return mbSymbolFlag; } void SetFamilyName(const String sFamilyName) { maName = sFamilyName; } void SetStyleName( const String sStyleName) { maStyleName = sStyleName; } void SetFamilyType(const FontFamily eFontFamily) { meFamily = eFontFamily; } void SetPitch(const FontPitch ePitch ) { mePitch = ePitch; } void SetItalic(const FontItalic eItalic ) { meItalic = eItalic; } void SetWeight(const FontWeight eWeight ) { meWeight = eWeight; } void SetWidthType(const FontWidth eWidthType) { meWidthType = eWidthType; } void SetSymbolFlag(const bool bSymbolFlag ) { mbSymbolFlag = bSymbolFlag; } bool operator==(const ImplFontAttributes& rOther) const; bool operator!=(const ImplFontAttributes& rOther) const { return !(*this == rOther); } private: String maName; // Font Family Name String maStyleName; // Font Style Name FontWeight meWeight; // Weight Type FontItalic meItalic; // Slant Type FontFamily meFamily; // Family Type FontPitch mePitch; // Pitch Type FontWidth meWidthType; // Width Type bool mbSymbolFlag; }; // ------------------------- // - ImplDevFontAttributes - // ------------------------- // device dependent font properties class ImplDevFontAttributes : public ImplFontAttributes { public: // TODO: create matching interface class const String& GetAliasNames() const { return maMapNames; } int GetQuality() const { return mnQuality; } bool IsRotatable() const { return mbOrientation; } bool IsDeviceFont() const { return mbDevice; } bool IsEmbeddable() const { return mbEmbeddable; } bool IsSubsettable() const { return mbSubsettable; } public: // TODO: hide members behind accessor methods String maMapNames; // List of family name aliass separated with ';' int mnQuality; // Quality (used when similar fonts compete) bool mbOrientation; // true: physical font can be rotated bool mbDevice; // true: built in font bool mbSubsettable; // true: a subset of the font can be created bool mbEmbeddable; // true: the font can be embedded }; // ---------------- // - PhysicalFontFace - // ---------------- // TODO: no more direct access to members // TODO: add reference counting // TODO: get rid of height/width for scalable fonts // TODO: make cloning cheaper // abstract base class for physical font faces class VCL_PLUGIN_PUBLIC PhysicalFontFace : public ImplDevFontAttributes { public: // by using an PhysicalFontFace object as a factory for its corresponding // ImplFontEntry an ImplFontEntry can be extended to cache device and // font instance specific data virtual ImplFontEntry* CreateFontInstance( FontSelectPattern& ) const = 0; virtual int GetHeight() const { return mnHeight; } virtual int GetWidth() const { return mnWidth; } virtual sal_IntPtr GetFontId() const = 0; int GetFontMagic() const { return mnMagic; } bool IsScalable() const { return (mnHeight == 0); } bool CheckMagic( int n ) const { return (n == mnMagic); } PhysicalFontFace* GetNextFace() const { return mpNext; } PhysicalFontFace* CreateAlias() const { return Clone(); } bool IsBetterMatch( const FontSelectPattern&, FontMatchStatus& ) const; StringCompare CompareWithSize( const PhysicalFontFace& ) const; StringCompare CompareIgnoreSize( const PhysicalFontFace& ) const; virtual ~PhysicalFontFace() {} virtual PhysicalFontFace* Clone() const = 0; protected: explicit PhysicalFontFace( const ImplDevFontAttributes&, int nMagic ); void SetBitmapSize( int nW, int nH ) { mnWidth=nW; mnHeight=nH; } long mnWidth; // Width (in pixels) long mnHeight; // Height (in pixels) private: friend class ImplDevFontListData; const int mnMagic; // poor man's RTTI PhysicalFontFace* mpNext; }; class FontSelectPatternAttributes : public ImplFontAttributes { public: FontSelectPatternAttributes( const Font&, const String& rSearchName, const Size&, float fExactHeight ); FontSelectPatternAttributes( const PhysicalFontFace&, const Size&, float fExactHeight, int nOrientation, bool bVertical ); size_t hashCode() const; bool operator==(const FontSelectPatternAttributes& rOther) const; bool operator!=(const FontSelectPatternAttributes& rOther) const { return !(*this == rOther); } public: String maTargetName; // name of the font name token that is chosen String maSearchName; // name of the font that matches best int mnWidth; // width of font in pixel units int mnHeight; // height of font in pixel units float mfExactHeight; // requested height (in pixels with subpixel details) int mnOrientation; // text orientation in 3600 system LanguageType meLanguage; // text language bool mbVertical; // vertical mode of requested font bool mbNonAntialiased; // true if antialiasing is disabled bool mbEmbolden; // Force emboldening ItalicMatrix maItalicMatrix; // Force matrix for slant }; class FontSelectPattern : public FontSelectPatternAttributes { public: FontSelectPattern( const Font&, const String& rSearchName, const Size&, float fExactHeight ); public: // TODO: change to private const PhysicalFontFace* mpFontData; // a matching PhysicalFontFace object ImplFontEntry* mpFontEntry; // pointer to the resulting FontCache entry void copyAttributes(const FontSelectPatternAttributes &rAttributes); }; // ------------------- // - ImplDevFontList - // ------------------- // TODO: merge with ImplFontCache // TODO: rename to LogicalFontManager class VCL_PLUGIN_PUBLIC ImplDevFontList { private: friend class WinGlyphFallbackSubstititution; mutable bool mbMatchData; // true if matching attributes are initialized bool mbMapNames; // true if MapNames are available typedef boost::unordered_map DevFontList; DevFontList maDevFontList; ImplPreMatchFontSubstitution* mpPreMatchHook; // device specific prematch substitution ImplGlyphFallbackFontSubstitution* mpFallbackHook; // device specific glyh fallback substitution public: explicit ImplDevFontList(); virtual ~ImplDevFontList(); // fill the list with device fonts void Add( PhysicalFontFace* ); void Clear(); int Count() const { return maDevFontList.size(); } // find the device font ImplDevFontListData* FindFontFamily( const String& rFontName ) const; ImplDevFontListData* ImplFindByFont( FontSelectPattern&, bool bPrinter, ImplDirectFontSubstitution* ) const; ImplDevFontListData* ImplFindBySearchName( const String& ) const; // suggest fonts for glyph fallback ImplDevFontListData* GetGlyphFallbackFont( FontSelectPattern&, rtl::OUString& rMissingCodes, int nFallbackLevel ) const; // prepare platform specific font substitutions void SetPreMatchHook( ImplPreMatchFontSubstitution* ); void SetFallbackHook( ImplGlyphFallbackFontSubstitution* ); // misc utilities ImplDevFontList* Clone( bool bScalable, bool bEmbeddable ) const; ImplGetDevFontList* GetDevFontList() const; ImplGetDevSizeList* GetDevSizeList( const String& rFontName ) const; ImplDevFontListData* ImplFindByTokenNames(const rtl::OUString& rTokenStr) const; protected: void InitMatchData() const; bool AreMapNamesAvailable() const { return mbMapNames; } ImplDevFontListData* ImplFindByAliasName(const rtl::OUString& rSearchName, const rtl::OUString& rShortName) const; ImplDevFontListData* ImplFindBySubstFontAttr( const utl::FontNameAttr& ) const; ImplDevFontListData* ImplFindByAttributes(sal_uLong nSearchType, FontWeight, FontWidth, FontItalic, const rtl::OUString& rSearchFamily) const; ImplDevFontListData* FindDefaultFont() const; private: void InitGenericGlyphFallback() const; mutable ImplDevFontListData** mpFallbackList; mutable int mnFallbackCount; }; // -------------------- // - ImplKernPairData - // -------------------- struct ImplKernPairData { sal_uInt16 mnChar1; sal_uInt16 mnChar2; long mnKern; }; // ----------------------- // - ImplFontMetricData - // ----------------------- class ImplFontMetricData : public ImplFontAttributes { public: explicit ImplFontMetricData( const FontSelectPattern& ); void ImplInitTextLineSize( const OutputDevice* pDev ); void ImplInitAboveTextLineSize(); public: // TODO: hide members behind accessor methods // font instance attributes from the font request long mnWidth; // Reference Width short mnOrientation; // Rotation in 1/10 degrees // font metrics measured for the font instance long mnAscent; // Ascent long mnDescent; // Descent long mnIntLeading; // Internal Leading long mnExtLeading; // External Leading int mnSlant; // Slant (Italic/Oblique) long mnMinKashida; // Minimal width of kashida (Arabic) // font attributes queried from the font instance int meFamilyType; // Font Family Type bool mbDevice; // Flag for Device Fonts bool mbScalableFont; bool mbKernableFont; // font metrics that are usually derived from the measurements long mnUnderlineSize; // Lineheight of Underline long mnUnderlineOffset; // Offset from Underline to Baseline long mnBUnderlineSize; // Height of bold underline long mnBUnderlineOffset; // Offset from bold underline to baseline long mnDUnderlineSize; // Height of double underline long mnDUnderlineOffset1; // Offset from double underline to baseline long mnDUnderlineOffset2; // Offset from double underline to baseline long mnWUnderlineSize; // Height of WaveLine underline long mnWUnderlineOffset; // Offset from WaveLine underline to baseline, but centrered to WaveLine long mnAboveUnderlineSize; // Height of single underline (for Vertical Right) long mnAboveUnderlineOffset; // Offset from single underline to baseline (for Vertical Right) long mnAboveBUnderlineSize; // Height of bold underline (for Vertical Right) long mnAboveBUnderlineOffset; // Offset from bold underline to baseline (for Vertical Right) long mnAboveDUnderlineSize; // Height of double underline (for Vertical Right) long mnAboveDUnderlineOffset1; // Offset from double underline to baseline (for Vertical Right) long mnAboveDUnderlineOffset2; // Offset from double underline to baseline (for Vertical Right) long mnAboveWUnderlineSize; // Height of WaveLine-strike-out (for Vertical Right) long mnAboveWUnderlineOffset; // Offset from WaveLine-strike-out to baseline, but centrered to to WaveLine (for Vertical Right) long mnStrikeoutSize; // Height of single strike-out long mnStrikeoutOffset; // Offset from single strike-out to baseline long mnBStrikeoutSize; // Height of bold strike-out long mnBStrikeoutOffset; // Offset of bold strike-out to baseline long mnDStrikeoutSize; // Height of double strike-out long mnDStrikeoutOffset1; // Offset of double strike-out to baseline long mnDStrikeoutOffset2; // Offset of double strike-out to baseline }; // ----------------- // - ImplFontEntry - // ------------------ // TODO: rename ImplFontEntry to LogicalFontInstance // TODO: allow sharing of metrics for related fonts class VCL_PLUGIN_PUBLIC ImplFontEntry { public: explicit ImplFontEntry( const FontSelectPattern& ); virtual ~ImplFontEntry(); public: // TODO: make data members private FontSelectPattern maFontSelData; // FontSelectionData ImplFontMetricData maMetric; // Font Metric const ConvertChar* mpConversion; // used e.g. for StarBats->StarSymbol long mnLineHeight; sal_uLong mnRefCount; sal_uInt16 mnSetFontFlags; // Flags returned by SalGraphics::SetFont() short mnOwnOrientation; // text angle if lower layers don't rotate text themselves short mnOrientation; // text angle in 3600 system bool mbInit; // true if maMetric member is valid void AddFallbackForUnicode( sal_UCS4, FontWeight eWeight, const String& rFontName ); bool GetFallbackForUnicode( sal_UCS4, FontWeight eWeight, String* pFontName ) const; void IgnoreFallbackForUnicode( sal_UCS4, FontWeight eWeight, const String& rFontName ); private: // cache of Unicode characters and replacement font names // TODO: a fallback map can be shared with many other ImplFontEntries // TODO: at least the ones which just differ in orientation, stretching or height typedef ::std::pair GFBCacheKey; struct GFBCacheKey_Hash{ size_t operator()( const GFBCacheKey& ) const; }; typedef ::boost::unordered_map UnicodeFallbackList; UnicodeFallbackList* mpUnicodeFallbackList; }; class ImplTextLineInfo { private: long mnWidth; xub_StrLen mnIndex; xub_StrLen mnLen; public: ImplTextLineInfo( long nWidth, xub_StrLen nIndex, xub_StrLen nLen ) { mnWidth = nWidth; mnIndex = nIndex; mnLen = nLen; } long GetWidth() const { return mnWidth; } xub_StrLen GetIndex() const { return mnIndex; } xub_StrLen GetLen() const { return mnLen; } }; #define MULTITEXTLINEINFO_RESIZE 16 typedef ImplTextLineInfo* PImplTextLineInfo; class ImplMultiTextLineInfo { private: PImplTextLineInfo* mpLines; xub_StrLen mnLines; xub_StrLen mnSize; public: ImplMultiTextLineInfo(); ~ImplMultiTextLineInfo(); void AddLine( ImplTextLineInfo* pLine ); void Clear(); ImplTextLineInfo* GetLine( sal_uInt16 nLine ) const { return mpLines[nLine]; } xub_StrLen Count() const { return mnLines; } private: ImplMultiTextLineInfo( const ImplMultiTextLineInfo& ); ImplMultiTextLineInfo& operator=( const ImplMultiTextLineInfo& ); }; #endif // _SV_OUTFONT_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */