1ebfcd9afSAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3ebfcd9afSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4ebfcd9afSAndrew Rist * or more contributor license agreements. See the NOTICE file 5ebfcd9afSAndrew Rist * distributed with this work for additional information 6ebfcd9afSAndrew Rist * regarding copyright ownership. The ASF licenses this file 7ebfcd9afSAndrew Rist * to you under the Apache License, Version 2.0 (the 8ebfcd9afSAndrew Rist * "License"); you may not use this file except in compliance 9ebfcd9afSAndrew Rist * with the License. You may obtain a copy of the License at 10ebfcd9afSAndrew Rist * 11ebfcd9afSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12ebfcd9afSAndrew Rist * 13ebfcd9afSAndrew Rist * Unless required by applicable law or agreed to in writing, 14ebfcd9afSAndrew Rist * software distributed under the License is distributed on an 15ebfcd9afSAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16ebfcd9afSAndrew Rist * KIND, either express or implied. See the License for the 17ebfcd9afSAndrew Rist * specific language governing permissions and limitations 18ebfcd9afSAndrew Rist * under the License. 19ebfcd9afSAndrew Rist * 20ebfcd9afSAndrew Rist *************************************************************/ 21ebfcd9afSAndrew Rist 22ebfcd9afSAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef _SV_SALLAYOUT_HXX 25cdf0e10cSrcweir #define _SV_SALLAYOUT_HXX 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <tools/gen.hxx> 28cdf0e10cSrcweir #include <vector> 29ddde725dSArmin Le Grand #include <basegfx/polygon/b2dpolypolygon.hxx> 30cdf0e10cSrcweir 31cdf0e10cSrcweir #ifndef _TOOLS_LANG_HXX 32cdf0e10cSrcweir typedef unsigned short LanguageType; 33cdf0e10cSrcweir #endif 34cdf0e10cSrcweir 35cdf0e10cSrcweir #include <vector> 36cdf0e10cSrcweir #include <list> 37cdf0e10cSrcweir #include <vcl/dllapi.h> 38cdf0e10cSrcweir 39cdf0e10cSrcweir // for typedef sal_UCS4 40cdf0e10cSrcweir #include <vcl/vclenum.hxx> 41*248a599fSHerbert Dürr #include "salglyphid.hxx" 42cdf0e10cSrcweir 43cdf0e10cSrcweir class SalGraphics; 44cdf0e10cSrcweir class ImplFontData; 45cdf0e10cSrcweir 46cdf0e10cSrcweir #define MAX_FALLBACK 16 47cdf0e10cSrcweir 48cdf0e10cSrcweir // ---------------- 49cdf0e10cSrcweir // - LayoutOption - 50cdf0e10cSrcweir // ---------------- 51cdf0e10cSrcweir 52cdf0e10cSrcweir #define SAL_LAYOUT_BIDI_RTL 0x0001 53cdf0e10cSrcweir #define SAL_LAYOUT_BIDI_STRONG 0x0002 54cdf0e10cSrcweir #define SAL_LAYOUT_RIGHT_ALIGN 0x0004 55cdf0e10cSrcweir #define SAL_LAYOUT_KERNING_PAIRS 0x0010 56cdf0e10cSrcweir #define SAL_LAYOUT_KERNING_ASIAN 0x0020 57cdf0e10cSrcweir #define SAL_LAYOUT_VERTICAL 0x0040 58cdf0e10cSrcweir #define SAL_LAYOUT_COMPLEX_DISABLED 0x0100 59cdf0e10cSrcweir #define SAL_LAYOUT_ENABLE_LIGATURES 0x0200 60cdf0e10cSrcweir #define SAL_LAYOUT_SUBSTITUTE_DIGITS 0x0400 61cdf0e10cSrcweir #define SAL_LAYOUT_KASHIDA_JUSTIFICATON 0x0800 62cdf0e10cSrcweir #define SAL_LAYOUT_DISABLE_GLYPH_PROCESSING 0x1000 63cdf0e10cSrcweir #define SAL_LAYOUT_FOR_FALLBACK 0x2000 64cdf0e10cSrcweir 65cdf0e10cSrcweir // ----------------- 66cdf0e10cSrcweir 67cdf0e10cSrcweir // used for managing runs e.g. for BiDi, glyph and script fallback 68cdf0e10cSrcweir class VCL_PLUGIN_PUBLIC ImplLayoutRuns 69cdf0e10cSrcweir { 70cdf0e10cSrcweir private: 71cdf0e10cSrcweir int mnRunIndex; 72cdf0e10cSrcweir std::vector<int> maRuns; 73cdf0e10cSrcweir 74cdf0e10cSrcweir public: ImplLayoutRuns()75cdf0e10cSrcweir ImplLayoutRuns() { mnRunIndex = 0; maRuns.reserve(8); } 76cdf0e10cSrcweir Clear()77cdf0e10cSrcweir void Clear() { maRuns.clear(); } 78cdf0e10cSrcweir bool AddPos( int nCharPos, bool bRTL ); 79cdf0e10cSrcweir bool AddRun( int nMinRunPos, int nEndRunPos, bool bRTL ); 80cdf0e10cSrcweir IsEmpty() const81cdf0e10cSrcweir bool IsEmpty() const { return maRuns.empty(); } ResetPos()82cdf0e10cSrcweir void ResetPos() { mnRunIndex = 0; } NextRun()83cdf0e10cSrcweir void NextRun() { mnRunIndex += 2; } 84cdf0e10cSrcweir bool GetRun( int* nMinRunPos, int* nEndRunPos, bool* bRTL ) const; 85cdf0e10cSrcweir bool GetNextPos( int* nCharPos, bool* bRTL ); 86cdf0e10cSrcweir bool PosIsInRun( int nCharPos ) const; 87cdf0e10cSrcweir bool PosIsInAnyRun( int nCharPos ) const; 88cdf0e10cSrcweir }; 89cdf0e10cSrcweir 90cdf0e10cSrcweir // ----------------- 91cdf0e10cSrcweir 92cdf0e10cSrcweir class ImplLayoutArgs 93cdf0e10cSrcweir { 94cdf0e10cSrcweir public: 95cdf0e10cSrcweir // string related inputs 96cdf0e10cSrcweir int mnFlags; 97cdf0e10cSrcweir int mnLength; 98cdf0e10cSrcweir int mnMinCharPos; 99cdf0e10cSrcweir int mnEndCharPos; 100cdf0e10cSrcweir const xub_Unicode* mpStr; 101cdf0e10cSrcweir 102cdf0e10cSrcweir // positioning related inputs 103cdf0e10cSrcweir const sal_Int32* mpDXArray; // in pixel units 104cdf0e10cSrcweir long mnLayoutWidth; // in pixel units 105cdf0e10cSrcweir int mnOrientation; // in 0-3600 system 106cdf0e10cSrcweir 107cdf0e10cSrcweir // data for bidi and glyph+script fallback 108cdf0e10cSrcweir ImplLayoutRuns maRuns; 109cdf0e10cSrcweir ImplLayoutRuns maReruns; 110cdf0e10cSrcweir 111cdf0e10cSrcweir public: 112cdf0e10cSrcweir ImplLayoutArgs( const xub_Unicode* pStr, int nLength, 113cdf0e10cSrcweir int nMinCharPos, int nEndCharPos, int nFlags ); 114cdf0e10cSrcweir SetLayoutWidth(long nWidth)115cdf0e10cSrcweir void SetLayoutWidth( long nWidth ) { mnLayoutWidth = nWidth; } SetDXArray(const sal_Int32 * pDXArray)116cdf0e10cSrcweir void SetDXArray( const sal_Int32* pDXArray ) { mpDXArray = pDXArray; } SetOrientation(int nOrientation)117cdf0e10cSrcweir void SetOrientation( int nOrientation ) { mnOrientation = nOrientation; } 118cdf0e10cSrcweir ResetPos()119cdf0e10cSrcweir void ResetPos() 120cdf0e10cSrcweir { maRuns.ResetPos(); } GetNextPos(int * nCharPos,bool * bRTL)121cdf0e10cSrcweir bool GetNextPos( int* nCharPos, bool* bRTL ) 122cdf0e10cSrcweir { return maRuns.GetNextPos( nCharPos, bRTL ); } 123cdf0e10cSrcweir bool GetNextRun( int* nMinRunPos, int* nEndRunPos, bool* bRTL ); NeedFallback(int nCharPos,bool bRTL)124cdf0e10cSrcweir bool NeedFallback( int nCharPos, bool bRTL ) 125cdf0e10cSrcweir { return maReruns.AddPos( nCharPos, bRTL ); } NeedFallback(int nMinRunPos,int nEndRunPos,bool bRTL)126cdf0e10cSrcweir bool NeedFallback( int nMinRunPos, int nEndRunPos, bool bRTL ) 127cdf0e10cSrcweir { return maReruns.AddRun( nMinRunPos, nEndRunPos, bRTL ); } 128cdf0e10cSrcweir // methods used by BiDi and glyph fallback NeedFallback() const129cdf0e10cSrcweir bool NeedFallback() const 130cdf0e10cSrcweir { return !maReruns.IsEmpty(); } 131cdf0e10cSrcweir bool PrepareFallback(); 132cdf0e10cSrcweir 133cdf0e10cSrcweir protected: 134cdf0e10cSrcweir void AddRun( int nMinCharPos, int nEndCharPos, bool bRTL ); 135cdf0e10cSrcweir }; 136cdf0e10cSrcweir 137cdf0e10cSrcweir // helper functions often used with ImplLayoutArgs 138cdf0e10cSrcweir bool IsDiacritic( sal_UCS4 ); 139cdf0e10cSrcweir int GetVerticalFlags( sal_UCS4 ); 140cdf0e10cSrcweir sal_UCS4 GetVerticalChar( sal_UCS4 ); 141cdf0e10cSrcweir // #i80090# GetMirroredChar also needed outside vcl, moved to svapp.hxx 142cdf0e10cSrcweir // VCL_DLLPUBLIC sal_UCS4 GetMirroredChar( sal_UCS4 ); 143cdf0e10cSrcweir sal_UCS4 GetLocalizedChar( sal_UCS4, LanguageType ); 144cdf0e10cSrcweir VCL_PLUGIN_PUBLIC const char* GetAutofallback( sal_UCS4 ) ; 145cdf0e10cSrcweir 146cdf0e10cSrcweir // ------------- 147cdf0e10cSrcweir // - SalLayout - 148cdf0e10cSrcweir // ------------- 149cdf0e10cSrcweir 150cdf0e10cSrcweir // all positions/widths are in font units 151cdf0e10cSrcweir // one exception: drawposition is in pixel units 152cdf0e10cSrcweir 153cdf0e10cSrcweir class VCL_PLUGIN_PUBLIC SalLayout 154cdf0e10cSrcweir { 155cdf0e10cSrcweir public: 156cdf0e10cSrcweir // used by upper layers DrawBase()157cdf0e10cSrcweir Point& DrawBase() { return maDrawBase; } DrawBase() const158cdf0e10cSrcweir const Point& DrawBase() const { return maDrawBase; } DrawOffset()159cdf0e10cSrcweir Point& DrawOffset() { return maDrawOffset; } DrawOffset() const160cdf0e10cSrcweir const Point& DrawOffset() const { return maDrawOffset; } 161cdf0e10cSrcweir Point GetDrawPosition( const Point& rRelative = Point(0,0) ) const; 162cdf0e10cSrcweir 163cdf0e10cSrcweir virtual bool LayoutText( ImplLayoutArgs& ) = 0; // first step of layouting 164cdf0e10cSrcweir virtual void AdjustLayout( ImplLayoutArgs& ); // adjusting after fallback etc. InitFont() const165cdf0e10cSrcweir virtual void InitFont() const {} 166cdf0e10cSrcweir virtual void DrawText( SalGraphics& ) const = 0; 167cdf0e10cSrcweir GetUnitsPerPixel() const168cdf0e10cSrcweir int GetUnitsPerPixel() const { return mnUnitsPerPixel; } GetOrientation() const169cdf0e10cSrcweir int GetOrientation() const { return mnOrientation; } 170cdf0e10cSrcweir 171cdf0e10cSrcweir virtual const ImplFontData* GetFallbackFontData( sal_GlyphId ) const; 172cdf0e10cSrcweir 173cdf0e10cSrcweir // methods using string indexing 174cdf0e10cSrcweir virtual int GetTextBreak( long nMaxWidth, long nCharExtra=0, int nFactor=1 ) const = 0; 175cdf0e10cSrcweir virtual long FillDXArray( sal_Int32* pDXArray ) const = 0; GetTextWidth() const176cdf0e10cSrcweir virtual long GetTextWidth() const { return FillDXArray( NULL ); } 177cdf0e10cSrcweir virtual void GetCaretPositions( int nArraySize, sal_Int32* pCaretXArray ) const = 0; IsKashidaPosValid(int) const178cdf0e10cSrcweir virtual bool IsKashidaPosValid ( int /*nCharPos*/ ) const { return true; } // i60594 179cdf0e10cSrcweir 180cdf0e10cSrcweir // methods using glyph indexing 181cdf0e10cSrcweir virtual int GetNextGlyphs( int nLen, sal_GlyphId* pGlyphIdAry, Point& rPos, int&, 182cdf0e10cSrcweir sal_Int32* pGlyphAdvAry = NULL, int* pCharPosAry = NULL ) const = 0; 183cdf0e10cSrcweir virtual bool GetOutline( SalGraphics&, ::basegfx::B2DPolyPolygonVector& ) const; 184cdf0e10cSrcweir virtual bool GetBoundRect( SalGraphics&, Rectangle& ) const; 185cdf0e10cSrcweir 186cdf0e10cSrcweir virtual bool IsSpacingGlyph( sal_GlyphId ) const; 187cdf0e10cSrcweir 188cdf0e10cSrcweir // reference counting 189cdf0e10cSrcweir void Reference() const; 190cdf0e10cSrcweir void Release() const; 191cdf0e10cSrcweir 192cdf0e10cSrcweir // used by glyph+font+script fallback 193cdf0e10cSrcweir virtual void MoveGlyph( int nStart, long nNewXPos ) = 0; 194cdf0e10cSrcweir virtual void DropGlyph( int nStart ) = 0; 195cdf0e10cSrcweir virtual void Simplify( bool bIsBase ) = 0; DisableGlyphInjection(bool)196cdf0e10cSrcweir virtual void DisableGlyphInjection( bool /*bDisable*/ ) {} 197cdf0e10cSrcweir 198cdf0e10cSrcweir protected: 199cdf0e10cSrcweir // used by layout engines 200cdf0e10cSrcweir SalLayout(); 201cdf0e10cSrcweir virtual ~SalLayout(); 202cdf0e10cSrcweir 203cdf0e10cSrcweir // used by layout layers SetUnitsPerPixel(int n)204cdf0e10cSrcweir void SetUnitsPerPixel( int n ) { mnUnitsPerPixel = n; } SetOrientation(int nOrientation)205cdf0e10cSrcweir void SetOrientation( int nOrientation ) // in 0-3600 system 206cdf0e10cSrcweir { mnOrientation = nOrientation; } 207cdf0e10cSrcweir 208cdf0e10cSrcweir static int CalcAsianKerning( sal_UCS4, bool bLeft, bool bVertical ); 209cdf0e10cSrcweir 210cdf0e10cSrcweir private: 211cdf0e10cSrcweir // enforce proper copy semantic 212cdf0e10cSrcweir SAL_DLLPRIVATE SalLayout( const SalLayout& ); 213cdf0e10cSrcweir SAL_DLLPRIVATE SalLayout& operator=( const SalLayout& ); 214cdf0e10cSrcweir 215cdf0e10cSrcweir protected: 216cdf0e10cSrcweir int mnMinCharPos; 217cdf0e10cSrcweir int mnEndCharPos; 218cdf0e10cSrcweir int mnLayoutFlags; 219cdf0e10cSrcweir 220cdf0e10cSrcweir int mnUnitsPerPixel; 221cdf0e10cSrcweir int mnOrientation; 222cdf0e10cSrcweir 223cdf0e10cSrcweir mutable int mnRefCount; 224cdf0e10cSrcweir mutable Point maDrawOffset; 225cdf0e10cSrcweir Point maDrawBase; 226cdf0e10cSrcweir }; 227cdf0e10cSrcweir 228cdf0e10cSrcweir // ------------------ 229cdf0e10cSrcweir // - MultiSalLayout - 230cdf0e10cSrcweir // ------------------ 231cdf0e10cSrcweir 232cdf0e10cSrcweir class VCL_PLUGIN_PUBLIC MultiSalLayout : public SalLayout 233cdf0e10cSrcweir { 234cdf0e10cSrcweir public: 235cdf0e10cSrcweir virtual void DrawText( SalGraphics& ) const; 236cdf0e10cSrcweir virtual int GetTextBreak( long nMaxWidth, long nCharExtra, int nFactor ) const; 237cdf0e10cSrcweir virtual long FillDXArray( sal_Int32* pDXArray ) const; 238cdf0e10cSrcweir virtual void GetCaretPositions( int nArraySize, sal_Int32* pCaretXArray ) const; 239cdf0e10cSrcweir virtual int GetNextGlyphs( int nLen, sal_GlyphId* pGlyphIdxAry, Point& rPos, 240cdf0e10cSrcweir int&, sal_Int32* pGlyphAdvAry, int* pCharPosAry ) const; 241cdf0e10cSrcweir virtual bool GetOutline( SalGraphics&, ::basegfx::B2DPolyPolygonVector& ) const; 242cdf0e10cSrcweir virtual bool GetBoundRect( SalGraphics&, Rectangle& ) const; 243cdf0e10cSrcweir 244cdf0e10cSrcweir // used only by OutputDevice::ImplLayout, TODO: make friend 245cdf0e10cSrcweir explicit MultiSalLayout( SalLayout& rBaseLayout, 246cdf0e10cSrcweir const ImplFontData* pBaseFont = NULL ); 247cdf0e10cSrcweir virtual bool AddFallback( SalLayout& rFallbackLayout, 248cdf0e10cSrcweir ImplLayoutRuns&, const ImplFontData* pFallbackFont ); 249cdf0e10cSrcweir virtual bool LayoutText( ImplLayoutArgs& ); 250cdf0e10cSrcweir virtual void AdjustLayout( ImplLayoutArgs& ); 251cdf0e10cSrcweir virtual void InitFont() const; 252cdf0e10cSrcweir 253cdf0e10cSrcweir virtual const ImplFontData* GetFallbackFontData( sal_GlyphId ) const; 254cdf0e10cSrcweir 255cdf0e10cSrcweir void SetInComplete(bool bInComplete = true); 256cdf0e10cSrcweir 257cdf0e10cSrcweir protected: 258cdf0e10cSrcweir virtual ~MultiSalLayout(); 259cdf0e10cSrcweir 260cdf0e10cSrcweir private: 261cdf0e10cSrcweir // dummy implementations MoveGlyph(int,long)262cdf0e10cSrcweir virtual void MoveGlyph( int, long ) {} DropGlyph(int)263cdf0e10cSrcweir virtual void DropGlyph( int ) {} Simplify(bool)264cdf0e10cSrcweir virtual void Simplify( bool ) {} 265cdf0e10cSrcweir 266cdf0e10cSrcweir // enforce proper copy semantic 267cdf0e10cSrcweir SAL_DLLPRIVATE MultiSalLayout( const MultiSalLayout& ); 268cdf0e10cSrcweir SAL_DLLPRIVATE MultiSalLayout& operator=( const MultiSalLayout& ); 269cdf0e10cSrcweir 270cdf0e10cSrcweir private: 271cdf0e10cSrcweir SalLayout* mpLayouts[ MAX_FALLBACK ]; 272cdf0e10cSrcweir const ImplFontData* mpFallbackFonts[ MAX_FALLBACK ]; 273cdf0e10cSrcweir ImplLayoutRuns maFallbackRuns[ MAX_FALLBACK ]; 274cdf0e10cSrcweir int mnLevel; 275cdf0e10cSrcweir bool mbInComplete; 276cdf0e10cSrcweir }; 277cdf0e10cSrcweir 278cdf0e10cSrcweir // -------------------- 279cdf0e10cSrcweir // - GenericSalLayout - 280cdf0e10cSrcweir // -------------------- 281cdf0e10cSrcweir 282cdf0e10cSrcweir struct GlyphItem 283cdf0e10cSrcweir { 284cdf0e10cSrcweir int mnFlags; 285cdf0e10cSrcweir int mnCharPos; // index in string 286cdf0e10cSrcweir int mnOrigWidth; // original glyph width 287cdf0e10cSrcweir int mnNewWidth; // width after adjustments 288*248a599fSHerbert Dürr sal_GlyphId maGlyphId; 289cdf0e10cSrcweir Point maLinearPos; // absolute position of non rotated string 290cdf0e10cSrcweir 291cdf0e10cSrcweir public: GlyphItemGlyphItem292cdf0e10cSrcweir GlyphItem() {} 293cdf0e10cSrcweir GlyphItemGlyphItem294*248a599fSHerbert Dürr GlyphItem( int nCharPos, sal_GlyphId aGlyphId, const Point& rLinearPos, 295cdf0e10cSrcweir long nFlags, int nOrigWidth ) 296cdf0e10cSrcweir : mnFlags(nFlags), mnCharPos(nCharPos), 297cdf0e10cSrcweir mnOrigWidth(nOrigWidth), mnNewWidth(nOrigWidth), 298*248a599fSHerbert Dürr maGlyphId(aGlyphId), maLinearPos(rLinearPos) 299cdf0e10cSrcweir {} 300cdf0e10cSrcweir 301cdf0e10cSrcweir enum{ FALLBACK_MASK=0xFF, IS_IN_CLUSTER=0x100, IS_RTL_GLYPH=0x200, IS_DIACRITIC=0x400 }; 302cdf0e10cSrcweir IsClusterStartGlyphItem303cdf0e10cSrcweir bool IsClusterStart() const { return ((mnFlags & IS_IN_CLUSTER) == 0); } IsRTLGlyphGlyphItem304cdf0e10cSrcweir bool IsRTLGlyph() const { return ((mnFlags & IS_RTL_GLYPH) != 0); } IsDiacriticGlyphItem305cdf0e10cSrcweir bool IsDiacritic() const { return ((mnFlags & IS_DIACRITIC) != 0); } 306cdf0e10cSrcweir }; 307cdf0e10cSrcweir 308cdf0e10cSrcweir // --------------- 309cdf0e10cSrcweir 310cdf0e10cSrcweir typedef std::list<GlyphItem> GlyphList; 311cdf0e10cSrcweir typedef std::vector<GlyphItem> GlyphVector; 312cdf0e10cSrcweir 313cdf0e10cSrcweir // --------------- 314cdf0e10cSrcweir 315cdf0e10cSrcweir class VCL_PLUGIN_PUBLIC GenericSalLayout : public SalLayout 316cdf0e10cSrcweir { 317cdf0e10cSrcweir public: 318cdf0e10cSrcweir // used by layout engines 319cdf0e10cSrcweir void AppendGlyph( const GlyphItem& ); 320cdf0e10cSrcweir virtual void AdjustLayout( ImplLayoutArgs& ); 321cdf0e10cSrcweir virtual void ApplyDXArray( ImplLayoutArgs& ); 322cdf0e10cSrcweir virtual void Justify( long nNewWidth ); 323cdf0e10cSrcweir void KashidaJustify( long nIndex, int nWidth ); 324cdf0e10cSrcweir void ApplyAsianKerning( const sal_Unicode*, int nLength ); 325cdf0e10cSrcweir void SortGlyphItems(); 326cdf0e10cSrcweir 327cdf0e10cSrcweir // used by upper layers 328cdf0e10cSrcweir virtual long GetTextWidth() const; 329cdf0e10cSrcweir virtual long FillDXArray( sal_Int32* pDXArray ) const; 330cdf0e10cSrcweir virtual int GetTextBreak( long nMaxWidth, long nCharExtra, int nFactor ) const; 331cdf0e10cSrcweir virtual void GetCaretPositions( int nArraySize, sal_Int32* pCaretXArray ) const; 332cdf0e10cSrcweir 333cdf0e10cSrcweir // used by display layers 334cdf0e10cSrcweir virtual int GetNextGlyphs( int nLen, sal_GlyphId* pGlyphIdxAry, Point& rPos, int&, 335cdf0e10cSrcweir sal_Int32* pGlyphAdvAry = NULL, int* pCharPosAry = NULL ) const; 336cdf0e10cSrcweir 337cdf0e10cSrcweir protected: 338cdf0e10cSrcweir GenericSalLayout(); 339cdf0e10cSrcweir virtual ~GenericSalLayout(); 340cdf0e10cSrcweir 341cdf0e10cSrcweir // for glyph+font+script fallback 342cdf0e10cSrcweir virtual void MoveGlyph( int nStart, long nNewXPos ); 343cdf0e10cSrcweir virtual void DropGlyph( int nStart ); 344cdf0e10cSrcweir virtual void Simplify( bool bIsBase ); 345cdf0e10cSrcweir 346cdf0e10cSrcweir bool GetCharWidths( sal_Int32* pCharWidths ) const; 347cdf0e10cSrcweir 348cdf0e10cSrcweir private: 349cdf0e10cSrcweir GlyphItem* mpGlyphItems; // TODO: change to GlyphList 350cdf0e10cSrcweir int mnGlyphCount; 351cdf0e10cSrcweir int mnGlyphCapacity; 352cdf0e10cSrcweir mutable Point maBasePoint; 353cdf0e10cSrcweir 354cdf0e10cSrcweir // enforce proper copy semantic 355cdf0e10cSrcweir SAL_DLLPRIVATE GenericSalLayout( const GenericSalLayout& ); 356cdf0e10cSrcweir SAL_DLLPRIVATE GenericSalLayout& operator=( const GenericSalLayout& ); 357cdf0e10cSrcweir }; 358cdf0e10cSrcweir 359cdf0e10cSrcweir #undef SalGraphics 360cdf0e10cSrcweir 361cdf0e10cSrcweir #endif // _SV_SALLAYOUT_HXX 362