vcl/inc/unx/cairotextrender.hxx

   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_UNX_CAIROTEXTRENDER_HXX
  21 #define INCLUDED_VCL_INC_UNX_CAIROTEXTRENDER_HXX
  22
  23 #include <textrender.hxx>
  24
  25 class FreetypeFont;
  26 class GlyphCache;
  27 typedef struct _cairo cairo_t;
  28
  29 class VCL_DLLPUBLIC CairoTextRender : public TextRenderImpl
  30 {
  31     FreetypeFont*   mpFreetypeFont[ MAX_FALLBACK ];
  32
  33     Color           mnTextColor;
  34
  35 protected:
  36     virtual GlyphCache&         getPlatformGlyphCache() = 0;
  37     virtual cairo_t*            getCairoContext() = 0;
  38     virtual void                getSurfaceOffset(double& nDX, double& nDY) = 0;
  39     virtual void                releaseCairoContext(cairo_t* cr) = 0;
  40
  41     virtual void                clipRegion(cairo_t* cr) = 0;
  42
  43 public:
  44                                 CairoTextRender();
  45     virtual ~CairoTextRender() override;
  46
  47     virtual void                SetTextColor( Color nColor ) override;
  48     virtual void                SetFont(LogicalFontInstance*, int nFallbackLevel) override;
  49     virtual void                GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) override;
  50     virtual FontCharMapRef      GetFontCharMap() const override;
  51     virtual bool                GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const override;
  52     virtual void                GetDevFontList( PhysicalFontCollection* ) override;
  53     virtual void                ClearDevFontCache() override;
  54     virtual bool                AddTempDevFont( PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) override;
  55     virtual bool                CreateFontSubset(
  56                                     const OUString& rToFile,
  57                                     const PhysicalFontFace*,
  58                                     const sal_GlyphId* pGlyphIDs,
  59                                     const sal_uInt8* pEncoding,
  60                                     sal_Int32* pWidths,
  61                                     int nGlyphs,
  62                                     FontSubsetInfo& rInfo) override;
  63
  64     virtual const void*         GetEmbedFontData(const PhysicalFontFace*, long* pDataLen) override;
  65     virtual void                FreeEmbedFontData( const void* pData, long nDataLen ) override;
  66     virtual void                GetGlyphWidths(
  67                                     const PhysicalFontFace*,
  68                                     bool bVertical,
  69                                     std::vector< sal_Int32 >& rWidths,
  70                                     Ucs2UIntMap& rUnicodeEnc ) override;
  71
  72     virtual std::unique_ptr<GenericSalLayout>
  73                                 GetTextLayout(int nFallbackLevel) override;
  74     virtual void                DrawTextLayout(const GenericSalLayout&, const SalGraphics&) override;
  75 #if ENABLE_CAIRO_CANVAS
  76     virtual SystemFontData      GetSysFontData( int nFallbackLevel ) const override;
  77 #endif
  78 };
  79
  80 #endif
  81
  82 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */