xref: /aoo41x/main/vcl/inc/graphite_serverfont.hxx (revision cdf0e10c)
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27 
28 #ifndef _SV_GRAPHITESERVERFONT_HXX
29 #define _SV_GRAPHITESERVERFONT_HXX
30 
31 // We need this to enable namespace support in libgrengine headers.
32 #define GR_NAMESPACE
33 
34 #ifndef MSC
35 #include <graphite_layout.hxx>
36 #include <graphite_adaptors.hxx>
37 
38 // Modules
39 
40 class VCL_PLUGIN_PUBLIC GraphiteLayoutImpl : public GraphiteLayout
41 {
42 public:
43     GraphiteLayoutImpl(const gr::Font & font, const grutils::GrFeatureParser * features, GraphiteFontAdaptor * pFont) throw()
44     : GraphiteLayout(font, features), mpFont(pFont) {};
45     virtual ~GraphiteLayoutImpl() throw() {};
46     virtual sal_GlyphId getKashidaGlyph(int & width);
47 private:
48     GraphiteFontAdaptor * mpFont;
49 };
50 
51 // This class implments the server font specific parts.
52 // @author tse
53 //
54 class VCL_PLUGIN_PUBLIC GraphiteServerFontLayout : public ServerFontLayout
55 {
56 private:
57         mutable GraphiteFontAdaptor * mpFont;
58         // mutable so that the DrawOffset/DrawBase can be set
59         mutable GraphiteLayoutImpl maImpl;
60 public:
61         explicit GraphiteServerFontLayout( GraphiteFontAdaptor* font ) throw();
62 
63         virtual bool  LayoutText( ImplLayoutArgs& rArgs) { SalLayout::AdjustLayout(rArgs); return maImpl.LayoutText(rArgs); };    // first step of layout
64         virtual void  AdjustLayout( ImplLayoutArgs& rArgs)
65         {
66             SalLayout::AdjustLayout(rArgs);
67             maImpl.DrawBase() = maDrawBase;
68             maImpl.DrawOffset() = maDrawOffset;
69             maImpl.AdjustLayout(rArgs);
70         };
71         virtual long    GetTextWidth() const                           { return maImpl.GetTextWidth(); }
72         virtual long    FillDXArray( sal_Int32* dxa ) const                 { return maImpl.FillDXArray(dxa); }
73         virtual int     GetTextBreak( long mw, long ce, int f ) const  { return maImpl.GetTextBreak(mw, ce, f); }
74         virtual void    GetCaretPositions( int as, sal_Int32* cxa ) const   { maImpl.GetCaretPositions(as, cxa); }
75 
76         // used by display layers
77         virtual int     GetNextGlyphs( int l, sal_GlyphId* gia, Point& p, int& s,
78                         sal_Int32* gaa = NULL, int* cpa = NULL ) const
79         {
80             maImpl.DrawBase() = maDrawBase;
81             maImpl.DrawOffset() = maDrawOffset;
82             return maImpl.GetNextGlyphs(l, gia, p, s, gaa, cpa);
83         }
84 
85         virtual void    MoveGlyph( int nStart, long nNewXPos ) { maImpl.MoveGlyph(nStart, nNewXPos); };
86         virtual void    DropGlyph( int nStart ) { maImpl.DropGlyph(nStart); };
87         virtual void    Simplify( bool bIsBase ) { maImpl.Simplify(bIsBase); };
88 
89         virtual ~GraphiteServerFontLayout() throw();
90 
91 // For use with PspGraphics
92         const sal_Unicode* getTextPtr() const;
93         int getMinCharPos() const { return mnMinCharPos; }
94         int getMaxCharPos() const { return mnEndCharPos; }
95 };
96 
97 #endif
98 #endif //_SV_GRAPHITESERVERFONT_HXX
99