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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /vcl/inc/win/DWriteTextRenderer.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vcl/inc/win/DWriteTextRenderer.hxx')
-rw-r--r-- | vcl/inc/win/DWriteTextRenderer.hxx | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/vcl/inc/win/DWriteTextRenderer.hxx b/vcl/inc/win/DWriteTextRenderer.hxx new file mode 100644 index 000000000..b64cc48a1 --- /dev/null +++ b/vcl/inc/win/DWriteTextRenderer.hxx @@ -0,0 +1,104 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_VCL_INC_WIN_DWRITERENDERER_HXX +#define INCLUDED_VCL_INC_WIN_DWRITERENDERER_HXX + +#include <usp10.h> +#include <d2d1.h> +#include <dwrite.h> + +#include <win/winlayout.hxx> + +enum class D2DTextAntiAliasMode +{ + Default, + Aliased, + AntiAliased, + ClearType, +}; + +class D2DWriteTextOutRenderer : public TextOutRenderer +{ +public: + explicit D2DWriteTextOutRenderer(bool bRenderingModeNatural); + virtual ~D2DWriteTextOutRenderer() override; + + bool operator()(GenericSalLayout const &rLayout, + SalGraphics &rGraphics, + HDC hDC, + bool bRenderingModeNatural) override; + + HRESULT BindDC(HDC hDC, tools::Rectangle const & rRect = tools::Rectangle(0, 0, 1, 1)); + + bool BindFont(HDC hDC) /*override*/; + bool ReleaseFont() /*override*/; + + std::vector<tools::Rectangle> GetGlyphInkBoxes(uint16_t const * pGid, uint16_t const * pGidEnd) const /*override*/; + ID2D1RenderTarget * GetRenderTarget() const { return mpRT; } + IDWriteFontFace * GetFontFace() const { return mpFontFace; } + float GetEmHeight() const { return mlfEmHeight; } + + HRESULT CreateRenderTarget(bool bRenderingModeNatural); + + bool Ready() const; + + void applyTextAntiAliasMode(bool bRenderingModeNatural); + + bool GetRenderingModeNatural() const { return mbRenderingModeNatural; } + +private: + // This is a singleton object disable copy ctor and assignment operator + D2DWriteTextOutRenderer(const D2DWriteTextOutRenderer &) = delete; + D2DWriteTextOutRenderer & operator = (const D2DWriteTextOutRenderer &) = delete; + + bool GetDWriteFaceFromHDC(HDC hDC, IDWriteFontFace ** ppFontFace, float * lfSize) const; + bool performRender(GenericSalLayout const &rLayout, SalGraphics &rGraphics, HDC hDC, bool& bRetry, bool bRenderingModeNatural); + + ID2D1Factory * mpD2DFactory; + IDWriteFactory * mpDWriteFactory; + IDWriteGdiInterop * mpGdiInterop; + ID2D1DCRenderTarget * mpRT; + const D2D1_RENDER_TARGET_PROPERTIES mRTProps; + + IDWriteFontFace * mpFontFace; + float mlfEmHeight; + HDC mhDC; + bool mbRenderingModeNatural; + D2DTextAntiAliasMode meTextAntiAliasMode; +}; + +/** + * Sets and unsets the needed DirectWrite transform to support the font's horizontal scaling and + * rotation. + */ +class WinFontTransformGuard +{ +public: + WinFontTransformGuard(ID2D1RenderTarget* pRenderTarget, float fHScale, const GenericSalLayout& rLayout, const D2D1_POINT_2F& rBaseline, bool bIsVertical); + ~WinFontTransformGuard(); + +private: + ID2D1RenderTarget* mpRenderTarget; + D2D1::Matrix3x2F maTransform; +}; + +#endif // INCLUDED_VCL_INC_WIN_DWRITERENDERER_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |