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 INCLUDED_VCL_INC_GRAPHITE_SERVERFONT_HXX
      21             : #define INCLUDED_VCL_INC_GRAPHITE_SERVERFONT_HXX
      22             : 
      23             : // We need this to enable namespace support in libgrengine headers.
      24             : #define GR_NAMESPACE
      25             : 
      26             : #ifndef _MSC_VER
      27             : #include <graphite_layout.hxx>
      28             : 
      29             : #include "generic/glyphcache.hxx"
      30             : 
      31             : class PhysicalFontFace;
      32             : 
      33             : // Modules
      34             : 
      35             : class VCL_PLUGIN_PUBLIC GraphiteLayoutImpl : public GraphiteLayout
      36             : {
      37             : public:
      38           0 :     GraphiteLayoutImpl(const gr_face * pFace,
      39             :                        ServerFont & rServerFont) throw()
      40           0 :     : GraphiteLayout(pFace), mrServerFont(rServerFont) {};
      41           0 :     virtual ~GraphiteLayoutImpl() throw() {};
      42             :     virtual sal_GlyphId getKashidaGlyph(int & width) SAL_OVERRIDE;
      43             : private:
      44             :     ServerFont & mrServerFont;
      45             : };
      46             : 
      47             : // This class implments the server font specific parts.
      48             : // @author tse
      49             : 
      50             : class VCL_PLUGIN_PUBLIC GraphiteServerFontLayout : public ServerFontLayout
      51             : {
      52             : private:
      53             :         // mutable so that the DrawOffset/DrawBase can be set
      54             :         mutable GraphiteLayoutImpl maImpl;
      55             :         grutils::GrFeatureParser * mpFeatures;
      56             :         const sal_Unicode * mpStr;
      57             : public:
      58             :         GraphiteServerFontLayout(ServerFont& pServerFont) throw();
      59             : 
      60           0 :         virtual bool  LayoutText( ImplLayoutArgs& rArgs) SAL_OVERRIDE
      61             :         {
      62           0 :             mpStr = rArgs.mpStr;
      63           0 :             SalLayout::AdjustLayout(rArgs);
      64           0 :             return maImpl.LayoutText(rArgs);
      65             :         };    // first step of layout
      66           0 :         virtual void  AdjustLayout( ImplLayoutArgs& rArgs) SAL_OVERRIDE
      67             :         {
      68           0 :             SalLayout::AdjustLayout(rArgs);
      69           0 :             maImpl.DrawBase() = maDrawBase;
      70           0 :             maImpl.DrawOffset() = maDrawOffset;
      71           0 :             maImpl.AdjustLayout(rArgs);
      72           0 :         };
      73           0 :         virtual DeviceCoordinate GetTextWidth() const SAL_OVERRIDE
      74             :         {
      75           0 :             return maImpl.GetTextWidth();
      76             :         }
      77           0 :         virtual DeviceCoordinate FillDXArray( DeviceCoordinate* dxa ) const SAL_OVERRIDE
      78             :         {
      79           0 :             return maImpl.FillDXArray(dxa);
      80             :         }
      81           0 :         virtual sal_Int32 GetTextBreak(DeviceCoordinate max_width, DeviceCoordinate extra, int factor) const SAL_OVERRIDE
      82             :         {
      83           0 :             return maImpl.GetTextBreak(max_width, extra, factor);
      84             :         }
      85           0 :         virtual void    GetCaretPositions( int as, long* cxa ) const SAL_OVERRIDE
      86             :         {
      87           0 :             maImpl.GetCaretPositions(as, cxa);
      88           0 :         }
      89             : 
      90             :         // used by display layers
      91           0 :         virtual int     GetNextGlyphs( int l, sal_GlyphId* gia, Point& p, int& s,
      92             :                         long* gaa = NULL, int* cpa = NULL,
      93             :                         const PhysicalFontFace** pFallbackFonts = NULL ) const SAL_OVERRIDE
      94             :         {
      95           0 :             maImpl.DrawBase() = maDrawBase;
      96           0 :             maImpl.DrawOffset() = maDrawOffset;
      97           0 :             return maImpl.GetNextGlyphs(l, gia, p, s, gaa, cpa, pFallbackFonts);
      98             :         }
      99             : 
     100           0 :         virtual void    MoveGlyph( int nStart, long nNewXPos ) SAL_OVERRIDE { maImpl.MoveGlyph(nStart, nNewXPos); };
     101           0 :         virtual void    DropGlyph( int nStart ) SAL_OVERRIDE { maImpl.DropGlyph(nStart); };
     102           0 :         virtual void    Simplify( bool bIsBase ) SAL_OVERRIDE { maImpl.Simplify(bIsBase); };
     103             : 
     104             :         virtual ~GraphiteServerFontLayout() throw();
     105             : 
     106             :         static bool IsGraphiteEnabledFont(ServerFont& rServerFont);
     107             : // For use with PspGraphics
     108             :         const sal_Unicode* getTextPtr() const { return mpStr; };
     109             :         int getMinCharPos() const { return mnMinCharPos; }
     110             :         int getMaxCharPos() const { return mnEndCharPos; }
     111             : };
     112             : 
     113             : #endif
     114             : #endif // INCLUDED_VCL_INC_GRAPHITE_SERVERFONT_HXX
     115             : 
     116             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */