vcl/inc/win/DWriteTextRenderer.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 <usp10.h>
  23 #include <d2d1.h>
  24 #include <dwrite.h>
  25
  26 #include <systools/win32/comtools.hxx>
  27
  28 #include <win/winlayout.hxx>
  29
  30 class D2DWriteTextOutRenderer : public TextOutRenderer
  31 {
  32 public:
  33     using MODE = std::pair<D2D1_TEXT_ANTIALIAS_MODE, DWRITE_RENDERING_MODE>;
  34
  35     explicit D2DWriteTextOutRenderer(MODE mode);
  36
  37     bool operator()(GenericSalLayout const &rLayout,
  38         SalGraphics &rGraphics,
  39         HDC hDC) override;
  40
  41     HRESULT BindDC(HDC hDC, tools::Rectangle const & rRect = tools::Rectangle(0, 0, 1, 1));
  42
  43     HRESULT CreateRenderTarget();
  44
  45     bool Ready() const;
  46
  47     void applyTextAntiAliasMode();
  48
  49     MODE GetRenderingMode() const { return maRenderingMode; }
  50
  51     static MODE GetMode(bool bRenderingModeNatural, bool bAntiAlias);
  52
  53 private:
  54     // This is a singleton object disable copy ctor and assignment operator
  55     D2DWriteTextOutRenderer(const D2DWriteTextOutRenderer &) = delete;
  56     D2DWriteTextOutRenderer & operator = (const D2DWriteTextOutRenderer &) = delete;
  57
  58     IDWriteFontFace* GetDWriteFace(const WinFontInstance& rWinFont, float * lfSize) const;
  59     bool performRender(GenericSalLayout const &rLayout, SalGraphics &rGraphics, HDC hDC, bool& bRetry);
  60
  61     sal::systools::COMReference<ID2D1Factory> mpD2DFactory;
  62     sal::systools::COMReference<ID2D1DCRenderTarget> mpRT;
  63     const D2D1_RENDER_TARGET_PROPERTIES mRTProps;
  64
  65     MODE maRenderingMode;
  66 };
  67
  68 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */