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/* -*- 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();
virtual ~D2DWriteTextOutRenderer() override;
bool operator ()(GenericSalLayout const &rLayout,
SalGraphics &rGraphics,
HDC hDC) 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 Ready() const;
void applyTextAntiAliasMode();
void changeTextAntiAliasMode(D2DTextAntiAliasMode eMode);
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);
ID2D1Factory * mpD2DFactory;
IDWriteFactory * mpDWriteFactory;
IDWriteGdiInterop * mpGdiInterop;
ID2D1DCRenderTarget * mpRT;
const D2D1_RENDER_TARGET_PROPERTIES mRTProps;
IDWriteFontFace * mpFontFace;
float mlfEmHeight;
HDC mhDC;
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);
~WinFontTransformGuard();
private:
ID2D1RenderTarget* mpRenderTarget;
D2D1::Matrix3x2F maTransform;
};
#endif // INCLUDED_VCL_INC_WIN_DWRITERENDERER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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