vcl/inc/unx/freetypetextrender.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   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_UNX_FREETYPETEXTRENDER_HXX
  21 #define INCLUDED_VCL_INC_UNX_FREETYPETEXTRENDER_HXX
  22
  23 #include <textrender.hxx>
  24
  25 class FreetypeFontInstance;
  26
  27 // Generic implementation that uses freetype, but DrawTextLayout()
  28 // still needs implementing (e.g. by Cairo or Skia).
  29 class VCL_DLLPUBLIC FreeTypeTextRenderImpl : public TextRenderImpl
  30 {
  31 protected:
  32     rtl::Reference<FreetypeFontInstance>
  33                             mpFreetypeFont[ MAX_FALLBACK ];
  34
  35     Color           mnTextColor;
  36
  37 public:
  38     FreeTypeTextRenderImpl();
  39     virtual ~FreeTypeTextRenderImpl() override;
  40
  41     virtual void                SetTextColor( Color nColor ) override;
  42     virtual void                SetFont(LogicalFontInstance*, int nFallbackLevel) override;
  43     virtual void                GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) override;
  44     virtual FontCharMapRef      GetFontCharMap() const override;
  45     virtual bool                GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const override;
  46     virtual void                GetDevFontList( PhysicalFontCollection* ) override;
  47     virtual void                ClearDevFontCache() override;
  48     virtual bool                AddTempDevFont( PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) override;
  49     virtual bool                CreateFontSubset(
  50                                     const OUString& rToFile,
  51                                     const PhysicalFontFace*,
  52                                     const sal_GlyphId* pGlyphIDs,
  53                                     const sal_uInt8* pEncoding,
  54                                     sal_Int32* pWidths,
  55                                     int nGlyphs,
  56                                     FontSubsetInfo& rInfo) override;
  57
  58     virtual const void*         GetEmbedFontData(const PhysicalFontFace*, tools::Long* pDataLen) override;
  59     virtual void                FreeEmbedFontData( const void* pData, tools::Long nDataLen ) override;
  60     virtual void                GetGlyphWidths(
  61                                     const PhysicalFontFace*,
  62                                     bool bVertical,
  63                                     std::vector< sal_Int32 >& rWidths,
  64                                     Ucs2UIntMap& rUnicodeEnc ) override;
  65
  66     virtual std::unique_ptr<GenericSalLayout>
  67                                 GetTextLayout(int nFallbackLevel) override;
  68 };
  69
  70 #endif
  71
  72 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */