vcl/inc/textrender.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_CAIROFONTIMPL_HXX
  21 #define INCLUDED_VCL_INC_UNX_CAIROFONTIMPL_HXX
  22
  23 #include "salgdi.hxx"
  24
  25 class ImplFontMetricData;
  26 class PhysicalFontCollection;
  27 class PhysicalFontFace;
  28
  29 class TextRenderImpl
  30 {
  31 public:
  32     // can't call ReleaseFonts here, as the destructor just calls this classes SetFont (pure virtual)!
  33     virtual ~TextRenderImpl() {}
  34
  35     virtual void                    SetTextColor( Color nColor ) = 0;
  36     virtual void                    SetFont(LogicalFontInstance*, int nFallbackLevel) = 0;
  37     void ReleaseFonts() { SetFont(nullptr, 0); }
  38     virtual void                    GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) = 0;
  39     virtual FontCharMapRef          GetFontCharMap() const = 0;
  40     virtual bool                    GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const = 0;
  41     virtual void                    GetDevFontList( PhysicalFontCollection* ) = 0;
  42     virtual void                    ClearDevFontCache() = 0;
  43     virtual bool                    AddTempDevFont( PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) = 0;
  44     virtual bool                    CreateFontSubset(
  45                                         const OUString& rToFile,
  46                                         const PhysicalFontFace*,
  47                                         const sal_GlyphId* pGlyphIDs,
  48                                         const sal_uInt8* pEncoding,
  49                                         sal_Int32* pWidths,
  50                                         int nGlyphs,
  51                                         FontSubsetInfo& rInfo) = 0;
  52
  53     virtual const void*             GetEmbedFontData(const PhysicalFontFace*, tools::Long* pDataLen) = 0;
  54     virtual void                    FreeEmbedFontData( const void* pData, tools::Long nDataLen ) = 0;
  55     virtual void                    GetGlyphWidths(
  56                                         const PhysicalFontFace*,
  57                                         bool bVertical,
  58                                         std::vector< sal_Int32 >& rWidths,
  59                                         Ucs2UIntMap& rUnicodeEnc ) = 0;
  60
  61     virtual std::unique_ptr<GenericSalLayout>
  62                                     GetTextLayout(int nFallbackLevel) = 0;
  63     virtual void                    DrawTextLayout(const GenericSalLayout&, const SalGraphics&) = 0;
  64 };
  65
  66 #endif
  67
  68 /* vim:set tabstop=4 shiftwidth=4 softtabstop=4 expandtab: */