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See the License for the * specific language governing permissions and limitations * under the License. * *************************************************************/ #ifndef _SV_OUTFONT_HXX #define _SV_OUTFONT_HXX #include #include #include #include #include #include #include #include #include class ImplDevFontListData; class ImplGetDevFontList; class ImplGetDevSizeList; class ImplFontEntry; class ImplDirectFontSubstitution; class ImplPreMatchFontSubstitution; class ImplGlyphFallbackFontSubstitution; class ImplFontSelectData; class Font; class ConvertChar; struct FontMatchStatus; class OutputDevice; 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; } public: // TODO: hide members behind accessor methods 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 }; // ---------------- // - ImplFontData - // ---------------- // TODO: rename ImplFontData to 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 ImplFontData : public ImplDevFontAttributes { public: // by using an ImplFontData object as a factory for its corresponding // ImplFontEntry an ImplFontEntry can be extended to cache device and // font instance specific data virtual ImplFontEntry* CreateFontInstance( ImplFontSelectData& ) 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); } ImplFontData* GetNextFace() const { return mpNext; } ImplFontData* CreateAlias() const { return Clone(); } bool IsBetterMatch( const ImplFontSelectData&, FontMatchStatus& ) const; StringCompare CompareWithSize( const ImplFontData& ) const; StringCompare CompareIgnoreSize( const ImplFontData& ) const; virtual ~ImplFontData() {} virtual ImplFontData* Clone() const = 0; protected: explicit ImplFontData( 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 ImplFontData* mpNext; }; // ---------------------- // - ImplFontSelectData - // ---------------------- class ImplFontSelectData : public ImplFontAttributes { public: ImplFontSelectData( const Font&, const String& rSearchName, const Size&, float fExactHeight ); ImplFontSelectData( const ImplFontData&, const Size&, float fExactHeight, int nOrientation, bool bVertical ); public: // TODO: change to private 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 const ImplFontData* mpFontData; // a matching ImplFontData object ImplFontEntry* mpFontEntry; // pointer to the resulting FontCache entry }; // ------------------- // - 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 std::hash_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( ImplFontData* ); void Clear(); int Count() const { return maDevFontList.size(); } // find the device font ImplDevFontListData* FindFontFamily( const String& rFontName ) const; ImplDevFontListData* ImplFindByFont( ImplFontSelectData&, bool bPrinter, ImplDirectFontSubstitution* ) const; ImplDevFontListData* ImplFindBySearchName( const String& ) const; // suggest fonts for glyph fallback ImplDevFontListData* GetGlyphFallbackFont( ImplFontSelectData&, 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; //used by 2-level font fallback ImplDevFontListData* ImplFindByLocale( com::sun::star::lang::Locale& ) const; protected: void InitMatchData() const; bool AreMapNamesAvailable() const { return mbMapNames; } ImplDevFontListData* ImplFindByTokenNames( const String& ) const; ImplDevFontListData* ImplFindByAliasName( const String& rSearchName, const String& rShortName ) const; ImplDevFontListData* ImplFindBySubstFontAttr( const utl::FontNameAttr& ) const; ImplDevFontListData* ImplFindByAttributes( sal_uLong nSearchType, FontWeight, FontWidth, FontFamily, FontItalic, const String& rSearchFamily ) const; ImplDevFontListData* FindDefaultFont() const; private: void InitGenericGlyphFallback() const; mutable ImplDevFontListData** mpFallbackList; mutable int mnFallbackCount; }; // -------------------- // - ImplKernPairData - // -------------------- // TODO: get rid of ImplKernPairData and use outdev.hxx's KerningPair struct // the problem is that outdev.hxx is too high level for the device layers // and outdev.hxx's customers depend on KerningPair being defined there struct ImplKernPairData { sal_uInt16 mnChar1; sal_uInt16 mnChar2; long mnKern; }; // ----------------------- // - ImplFontMetricData - // ----------------------- class ImplFontMetricData : public ImplFontAttributes { public: explicit ImplFontMetricData( const ImplFontSelectData& ); 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; // Hoehe von fetter Unterstreichung long mnBUnderlineOffset; // Offset von fetter Unterstreichung zur Baseline long mnDUnderlineSize; // Hoehe von doppelter Unterstreichung long mnDUnderlineOffset1; // Offset von doppelter Unterstreichung zur Baseline long mnDUnderlineOffset2; // Offset von doppelter Unterstreichung zur Baseline long mnWUnderlineSize; // Hoehe von WaveLine-Unterstreichung long mnWUnderlineOffset; // Offset von WaveLine-Unterstreichung zur Baseline, jedoch zentriert zur WaveLine long mnAboveUnderlineSize; // Hoehe von einfacher Unterstreichung (for Vertical Right) long mnAboveUnderlineOffset; // Offset von einfacher Unterstreichung zur Baseline (for Vertical Right) long mnAboveBUnderlineSize; // Hoehe von fetter Unterstreichung (for Vertical Right) long mnAboveBUnderlineOffset; // Offset von fetter Unterstreichung zur Baseline (for Vertical Right) long mnAboveDUnderlineSize; // Hoehe von doppelter Unterstreichung (for Vertical Right) long mnAboveDUnderlineOffset1; // Offset von doppelter Unterstreichung zur Baseline (for Vertical Right) long mnAboveDUnderlineOffset2; // Offset von doppelter Unterstreichung zur Baseline (for Vertical Right) long mnAboveWUnderlineSize; // Hoehe von WaveLine-Unterstreichung (for Vertical Right) long mnAboveWUnderlineOffset; // Offset von WaveLine-Unterstreichung zur Baseline, jedoch zentriert zur WaveLine (for Vertical Right) long mnStrikeoutSize; // Hoehe von einfacher Durchstreichung long mnStrikeoutOffset; // Offset von einfacher Durchstreichung zur Baseline long mnBStrikeoutSize; // Hoehe von fetter Durchstreichung long mnBStrikeoutOffset; // Offset von fetter Durchstreichung zur Baseline long mnDStrikeoutSize; // Hoehe von doppelter Durchstreichung long mnDStrikeoutOffset1; // Offset von doppelter Durchstreichung zur Baseline long mnDStrikeoutOffset2; // Offset von doppelter Durchstreichung zur Baseline }; // ----------------- // - ImplFontEntry - // ------------------ // TODO: rename ImplFontEntry to LogicalFontInstance // TODO: allow sharing of metrics for related fonts class VCL_PLUGIN_PUBLIC ImplFontEntry { public: explicit ImplFontEntry( const ImplFontSelectData& ); virtual ~ImplFontEntry(); public: // TODO: make data members private ImplFontSelectData 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 ::std::hash_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