sw/source/core/inc/fntcache.hxx

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  30 #ifndef _FNTCACHE_HXX
  31 #define _FNTCACHE_HXX
  32
  33 #include <vcl/font.hxx>
  34 #include <tools/mempool.hxx>
  35
  36 #include "swtypes.hxx"
  37 #include "swcache.hxx"
  38
  39 class Printer;
  40 class OutputDevice;
  41 class FontMetric;
  42 class SwFntObj;
  43 class SwDrawTextInfo;   // DrawText
  44 class ViewShell;
  45 class SwSubFont;
  46 class MapMode;
  47
  48 /*************************************************************************
  49  *                      class SwFntCache
  50  *************************************************************************/
  51
  52 class SwFntCache : public SwCache
  53 {
  54 public:
  55
  56     inline SwFntCache() : SwCache(50,50
  57 #ifndef PRODUCT
  58     , ByteString( RTL_CONSTASCII_STRINGPARAM(
  59                         "Globaler Font-Cache pFntCache" ))
  60 #endif
  61     ) {}
  62
  63     inline SwFntObj *First( ) { return (SwFntObj *)SwCache::First(); }
  64     inline SwFntObj *Next( SwFntObj *pFntObj)
  65         { return (SwFntObj *)SwCache::Next( (SwCacheObj *)pFntObj ); }
  66     void Flush();
  67 };
  68
  69 // Font-Cache, globale Variable, in txtinit.Cxx angelegt/zerstoert
  70 extern SwFntCache *pFntCache;
  71 extern SwFntObj *pLastFont;
  72 extern BYTE *pMagicNo;
  73 extern Color *pWaveCol;
  74
  75 /*************************************************************************
  76  *                      class SwFntObj
  77  *************************************************************************/
  78
  79 class SwFntObj : public SwCacheObj
  80 {
  81     friend class SwFntAccess;
  82     friend void _InitCore();
  83     friend void _FinitCore();
  84
  85     Font aFont;
  86     Font *pScrFont;
  87     Font *pPrtFont;
  88     OutputDevice* pPrinter;
  89     USHORT nGuessedLeading;
  90     USHORT nExtLeading;
  91     USHORT nScrAscent;
  92     USHORT nPrtAscent;
  93     USHORT nScrHeight;
  94     USHORT nPrtHeight;
  95     USHORT nPropWidth;
  96     USHORT nZoom;
  97     BOOL bSymbol : 1;
  98     BOOL bPaintBlank : 1;
  99
 100     static long nPixWidth;
 101     static MapMode *pPixMap;
 102     static OutputDevice *pPixOut;
 103
 104     // SMARTTAGS
 105     void calcLinePos(SwDrawTextInfo& rInf, Point& aStart, Point& aEnd, xub_StrLen nStart,
 106        xub_StrLen nWrLen, xub_StrLen nCnt, const BOOL bSwitchH2V, const BOOL bSwitchL2R,
 107        long nHalfSpace, long* pKernArray, const BOOL bBidiPor);
 108
 109 public:
 110     DECL_FIXEDMEMPOOL_NEWDEL(SwFntObj)
 111
 112     SwFntObj( const SwSubFont &rFont, const void* pOwner,
 113               ViewShell *pSh );
 114
 115     virtual ~SwFntObj();
 116
 117     inline               Font *GetScrFont()             { return pScrFont; }
 118     inline               Font *GetFont()                { return &aFont; }
 119     inline const Font *GetFont() const  { return &aFont; }
 120
 121     inline USHORT GetGuessedLeading() const  { return nGuessedLeading; }
 122     inline USHORT GetExtLeading() const  { return nExtLeading; }
 123
 124     USHORT GetFontAscent( const ViewShell *pSh, const OutputDevice& rOut );
 125     USHORT GetFontHeight( const ViewShell *pSh, const OutputDevice& rOut );
 126     USHORT GetFontLeading( const ViewShell *pSh, const OutputDevice& rOut );
 127
 128     void GuessLeading( const ViewShell& rSh, const FontMetric& rMet );
 129
 130     void SetDevFont( const ViewShell *pSh, OutputDevice& rOut );
 131     inline OutputDevice* GetPrt() const { return pPrinter; }
 132     inline USHORT       GetZoom() const { return nZoom; }
 133     inline USHORT       GetPropWidth() const { return nPropWidth; }
 134     inline BOOL         IsSymbol() const { return bSymbol; }
 135
 136     void   DrawText( SwDrawTextInfo &rInf );
 137     Size  GetTextSize( SwDrawTextInfo &rInf );
 138     xub_StrLen GetCrsrOfst( SwDrawTextInfo &rInf );
 139
 140     void CreateScrFont( const ViewShell& rSh, const OutputDevice& rOut );
 141     void CreatePrtFont( const OutputDevice& rOut );
 142 };
 143
 144 /*************************************************************************
 145  *                      class SwFntAccess
 146  *************************************************************************/
 147
 148
 149 class SwFntAccess : public SwCacheAccess
 150 {
 151     ViewShell *pShell;
 152 protected:
 153     virtual SwCacheObj *NewObj( );
 154
 155 public:
 156     SwFntAccess( const void * &rMagic, USHORT &rIndex, const void *pOwner,
 157                  ViewShell *pShell,
 158                  BOOL bCheck = FALSE  );
 159     inline SwFntObj* Get() { return (SwFntObj*) SwCacheAccess::Get(); };
 160 };
 161
 162
 163 #endif