vcl/inc/win/winlayout.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 #pragma once
  21
  22 #include <sal/config.h>
  23
  24 #include <rtl/ustring.hxx>
  25
  26 #include <sallayout.hxx>
  27 #include <svsys.h>
  28 #include <win/salgdi.h>
  29 #include <o3tl/sorted_vector.hxx>
  30
  31 // win32 specific logical font instance
  32 class WinFontInstance : public LogicalFontInstance
  33 {
  34     friend rtl::Reference<LogicalFontInstance> WinFontFace::CreateFontInstance(const vcl::font::FontSelectPattern&) const;
  35
  36 public:
  37     ~WinFontInstance() override;
  38
  39     bool hasHScale() const;
  40     float getHScale() const;
  41
  42     void SetGraphics(WinSalGraphics*);
  43     WinSalGraphics* GetGraphics() const { return m_pGraphics; }
  44
  45     HFONT GetHFONT() const { return m_hFont; }
  46     // Return true if the font is for vertical writing.
  47     // I.e. the font name of the LOGFONT is prefixed with '@'.
  48     bool  IsCJKVerticalFont() const { return m_bIsCJKVerticalFont; }
  49     sal_Int32 GetTmDescent() const { return m_nTmDescent; }
  50
  51     const WinFontFace * GetFontFace() const { return static_cast<const WinFontFace *>(LogicalFontInstance::GetFontFace()); }
  52     WinFontFace * GetFontFace() { return static_cast<WinFontFace *>(LogicalFontInstance::GetFontFace()); }
  53
  54     bool GetGlyphOutline(sal_GlyphId, basegfx::B2DPolyPolygon&, bool) const override;
  55
  56     IDWriteFontFace* GetDWFontFace() const;
  57
  58 private:
  59     explicit WinFontInstance(const WinFontFace&, const vcl::font::FontSelectPattern&);
  60
  61     virtual void ImplInitHbFont(hb_font_t*) override;
  62
  63     WinSalGraphics *m_pGraphics;
  64     HFONT m_hFont;
  65     bool  m_bIsCJKVerticalFont;
  66     sal_Int32 m_nTmDescent;
  67     mutable sal::systools::COMReference<IDWriteFontFace> mxDWFontFace;
  68 };
  69
  70 class TextOutRenderer
  71 {
  72 protected:
  73     explicit TextOutRenderer() = default;
  74     TextOutRenderer(const TextOutRenderer &) = delete;
  75     TextOutRenderer & operator = (const TextOutRenderer &) = delete;
  76
  77 public:
  78     static TextOutRenderer & get(bool bUseDWrite, bool bRenderingModeNatural);
  79
  80     virtual ~TextOutRenderer() = default;
  81
  82     virtual bool operator ()(GenericSalLayout const &rLayout,
  83         SalGraphics &rGraphics,
  84         HDC hDC,
  85         bool bRenderingModeNatural) = 0;
  86 };
  87
  88 class ExTextOutRenderer : public TextOutRenderer
  89 {
  90     ExTextOutRenderer(const ExTextOutRenderer &) = delete;
  91     ExTextOutRenderer & operator = (const ExTextOutRenderer &) = delete;
  92
  93 public:
  94     explicit ExTextOutRenderer() = default;
  95
  96     bool operator ()(GenericSalLayout const &rLayout,
  97         SalGraphics &rGraphics,
  98         HDC hDC,
  99         bool bRenderingModeNatural) override;
 100 };
 101
 102 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */