Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef _SV_GRAPHITESERVERFONT_HXX
      21             : #define _SV_GRAPHITESERVERFONT_HXX
      22             : 
      23             : // We need this to enable namespace support in libgrengine headers.
      24             : #define GR_NAMESPACE
      25             : 
      26             : #ifndef MSC
      27             : #include <graphite_layout.hxx>
      28             : 
      29             : // Modules
      30             : 
      31             : class VCL_PLUGIN_PUBLIC GraphiteLayoutImpl : public GraphiteLayout
      32             : {
      33             : public:
      34           0 :     GraphiteLayoutImpl(const gr_face * pFace,
      35             :                        ServerFont & rServerFont) throw()
      36           0 :     : GraphiteLayout(pFace), mrServerFont(rServerFont) {};
      37           0 :     virtual ~GraphiteLayoutImpl() throw() {};
      38             :     virtual sal_GlyphId getKashidaGlyph(int & width);
      39             : private:
      40             :     ServerFont & mrServerFont;
      41             : };
      42             : 
      43             : // This class implments the server font specific parts.
      44             : // @author tse
      45             : //
      46             : class VCL_PLUGIN_PUBLIC GraphiteServerFontLayout : public ServerFontLayout
      47             : {
      48             : private:
      49             :         // mutable so that the DrawOffset/DrawBase can be set
      50             :         mutable GraphiteLayoutImpl maImpl;
      51             :         grutils::GrFeatureParser * mpFeatures;
      52             :         const sal_Unicode * mpStr;
      53             : public:
      54             :         GraphiteServerFontLayout(ServerFont& pServerFont) throw();
      55             : 
      56           0 :         virtual bool  LayoutText( ImplLayoutArgs& rArgs)
      57             :         {
      58           0 :             mpStr = rArgs.mpStr;
      59           0 :             SalLayout::AdjustLayout(rArgs);
      60           0 :             return maImpl.LayoutText(rArgs);
      61             :         };    // first step of layout
      62           0 :         virtual void  AdjustLayout( ImplLayoutArgs& rArgs)
      63             :         {
      64           0 :             SalLayout::AdjustLayout(rArgs);
      65           0 :             maImpl.DrawBase() = maDrawBase;
      66           0 :             maImpl.DrawOffset() = maDrawOffset;
      67           0 :             maImpl.AdjustLayout(rArgs);
      68           0 :         };
      69           0 :         virtual long    GetTextWidth() const                           { return maImpl.GetTextWidth(); }
      70           0 :         virtual long    FillDXArray( sal_Int32* dxa ) const                 { return maImpl.FillDXArray(dxa); }
      71           0 :         virtual int     GetTextBreak( long mw, long ce, int f ) const  { return maImpl.GetTextBreak(mw, ce, f); }
      72           0 :         virtual void    GetCaretPositions( int as, sal_Int32* cxa ) const   { maImpl.GetCaretPositions(as, cxa); }
      73             : 
      74             :         // used by display layers
      75           0 :         virtual int     GetNextGlyphs( int l, sal_GlyphId* gia, Point& p, int& s,
      76             :                         sal_Int32* gaa = NULL, int* cpa = NULL ) const
      77             :         {
      78           0 :             maImpl.DrawBase() = maDrawBase;
      79           0 :             maImpl.DrawOffset() = maDrawOffset;
      80           0 :             return maImpl.GetNextGlyphs(l, gia, p, s, gaa, cpa);
      81             :         }
      82             : 
      83           0 :         virtual void    MoveGlyph( int nStart, long nNewXPos ) { maImpl.MoveGlyph(nStart, nNewXPos); };
      84           0 :         virtual void    DropGlyph( int nStart ) { maImpl.DropGlyph(nStart); };
      85           0 :         virtual void    Simplify( bool bIsBase ) { maImpl.Simplify(bIsBase); };
      86             : 
      87             :         virtual ~GraphiteServerFontLayout() throw();
      88             : 
      89             :         static bool IsGraphiteEnabledFont(ServerFont& rServerFont);
      90             : // For use with PspGraphics
      91             :         const sal_Unicode* getTextPtr() const { return mpStr; };
      92             :         int getMinCharPos() const { return mnMinCharPos; }
      93             :         int getMaxCharPos() const { return mnEndCharPos; }
      94             : };
      95             : 
      96             : #endif
      97             : #endif //_SV_GRAPHITESERVERFONT_HXX
      98             : 
      99             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */