1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/* -*- 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,
ClearType,
AntiAliased,
};
class D2DWriteTextOutRenderer : public TextOutRenderer
{
typedef HRESULT(WINAPI *pD2D1CreateFactory_t)(D2D1_FACTORY_TYPE,
REFIID, const D2D1_FACTORY_OPTIONS *, void **);
typedef HRESULT(WINAPI *pDWriteCreateFactory_t)(DWRITE_FACTORY_TYPE,
REFIID, IUnknown **);
static HINSTANCE mmD2d1, mmDWrite;
static pD2D1CreateFactory_t D2D1CreateFactory;
static pDWriteCreateFactory_t DWriteCreateFactory;
public:
static bool InitModules();
explicit D2DWriteTextOutRenderer();
virtual ~D2DWriteTextOutRenderer() override;
bool operator ()(CommonSalLayout const &rLayout,
SalGraphics &rGraphics,
HDC hDC) override;
bool BindDC(HDC hDC, tools::Rectangle const & rRect = tools::Rectangle(0, 0, 1, 1))
{
if (rRect.GetWidth() == 0 || rRect.GetHeight() == 0)
return false;
RECT const rc = { rRect.Left(), rRect.Top(), rRect.Right(), rRect.Bottom() };
return SUCCEEDED(mpRT->BindDC(hDC, &rc));
}
bool BindFont(HDC hDC) /*override*/;
bool ReleaseFont() /*override*/;
std::vector<tools::Rectangle> GetGlyphInkBoxes(uint16_t * pGid, uint16_t * pGidEnd) const /*override*/;
ID2D1RenderTarget * GetRenderTarget() const { return mpRT; }
IDWriteFontFace * GetFontFace() const { return mpFontFace; }
float GetEmHeight() const { return mlfEmHeight; }
HRESULT CreateRenderTarget() {
if (mpRT) mpRT->Release(); mpRT = nullptr;
return mpD2DFactory->CreateDCRenderTarget(&mRTProps, &mpRT);
}
bool Ready() const { return mpGdiInterop && mpRT; }
void applyTextAntiAliasMode();
void setTextAntiAliasMode(D2DTextAntiAliasMode eMode)
{
meTextAntiAliasMode = eMode;
}
private:
static void CleanupModules();
// 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;
ID2D1Factory * mpD2DFactory;
IDWriteFactory * mpDWriteFactory;
IDWriteGdiInterop * mpGdiInterop;
ID2D1DCRenderTarget * mpRT;
const D2D1_RENDER_TARGET_PROPERTIES mRTProps;
IDWriteFontFace * mpFontFace;
float mlfEmHeight;
HDC mhDC;
D2DTextAntiAliasMode meTextAntiAliasMode;
IDWriteRenderingParams* mpRenderingParameters;
};
#endif // INCLUDED_VCL_INC_WIN_DWRITERENDERER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
