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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/* -*- 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_VIRDEV_HXX
#define INCLUDED_VCL_VIRDEV_HXX
#include <vcl/dllapi.h>
#include <vcl/outdev.hxx>
#include <vcl/salgtype.hxx>
#include <memory>
class SalVirtualDevice;
struct SystemGraphicsData;
typedef struct _cairo_surface cairo_surface_t;
class SAL_WARN_UNUSED VCL_DLLPUBLIC VirtualDevice : public OutputDevice
{
friend class Application;
friend class ::OutputDevice;
friend class Printer;
friend cairo_surface_t* get_underlying_cairo_surface(const VirtualDevice&);
public:
// reference device modes for different compatibility levels
enum class RefDevMode { NONE = 0,
Dpi600 = 1, // 600 dpi
MSO1 = 3,
PDF1 = 4,
Custom = 5
};
private:
std::unique_ptr<SalVirtualDevice> mpVirDev;
VclPtr<VirtualDevice> mpPrev;
VclPtr<VirtualDevice> mpNext;
sal_uInt16 mnBitCount;
bool mbScreenComp;
const DeviceFormat meFormat;
const DeviceFormat meAlphaFormat;
RefDevMode meRefDevMode;
bool mbForceZeroExtleadBug;
SAL_DLLPRIVATE void ImplInitVirDev( const OutputDevice* pOutDev, tools::Long nDX, tools::Long nDY, const SystemGraphicsData *pData = nullptr );
SAL_DLLPRIVATE bool InnerImplSetOutputSizePixel( const Size& rNewSize, bool bErase,
sal_uInt8* pBuffer );
SAL_DLLPRIVATE bool ImplSetOutputSizePixel( const Size& rNewSize, bool bErase,
sal_uInt8* pBuffer );
VirtualDevice (const VirtualDevice &) = delete;
VirtualDevice & operator= (const VirtualDevice &) = delete;
/** Used for alpha VDev, to set areas to opaque
@since \#i32109#
*/
SAL_DLLPRIVATE void ImplFillOpaqueRectangle( const tools::Rectangle& rRect );
protected:
virtual bool AcquireGraphics() const override;
virtual void ReleaseGraphics( bool bRelease = true ) override;
/** Create a virtual device of size 1x1
@param pCompDev
The generated vdev will be compatible to this device.
If it's the nullptr, it uses Application::GetDefaultDevice().
@param eFormat
Device format of the generated virtual device. Use DeviceFormat::DEFAULT here, to
indicate: take default screen depth. Only DeviceFormat::BITMASK
is the other possibility to denote a binary mask.
@param eAlphaFormat
Device format of the generated virtual device. Use DeviceFormat::DEFAULT here, to
indicate: take default screen depth. Only DeviceFormat::BITMASK
is the other possibility to denote a binary mask.
@param eOutDevType
This real virtual output device type.
*/
explicit VirtualDevice(const OutputDevice* pCompDev, DeviceFormat eFormat,
DeviceFormat eAlphaFormat, OutDevType eOutDevType);
public:
/** Create a virtual device of size 1x1
@param eFormat
Device format of the generated virtual device. Use DeviceFormat::DEFAULT here, to
indicate: take default screen depth. Only DeviceFormat::BITMASK
is the other possibility to denote a binary mask.
@param eAlphaFormat
Device format of the generated virtual device. Use DeviceFormat::DEFAULT here, to
indicate: take default screen depth. Only DeviceFormat::BITMASK
is the other possibility to denote a binary mask.
*/
explicit VirtualDevice(DeviceFormat eFormat = DeviceFormat::DEFAULT, DeviceFormat eAlphaFormat = DeviceFormat::NONE)
: VirtualDevice(nullptr, eFormat, eAlphaFormat, OUTDEV_VIRDEV) {}
/** Create a virtual device of size 1x1
@param rCompDev
The generated vdev will be compatible to this device.
@param eFormat
Device format of the generated virtual device. Use DeviceFormat::DEFAULT here, to
indicate: take default screen depth. Only DeviceFormat::BITMASK
is the other possibility to denote a binary mask.
*/
explicit VirtualDevice(const OutputDevice& rCompDev,
DeviceFormat eFormat = DeviceFormat::DEFAULT)
: VirtualDevice(&rCompDev, eFormat, DeviceFormat::NONE, OUTDEV_VIRDEV) {}
/** Create a virtual device of size 1x1 with alpha channel
@param rCompDev
The generated vdev will be compatible to this device.
@param eFormat
Device format of the generated virtual device. Use DeviceFormat::DEFAULT here, to
indicate: take default screen depth. Only DeviceFormat::BITMASK
is the other possibility to denote a binary mask.
@param eAlphaFormat
Device format of the generated virtual device. Use DeviceFormat::DEFAULT here, to
indicate: take default screen depth. Only DeviceFormat::BITMASK
is the other possibility to denote a binary mask.
*/
explicit VirtualDevice(const OutputDevice& rCompDev,
DeviceFormat eFormat, DeviceFormat eAlphaFormat)
: VirtualDevice(&rCompDev, eFormat, eAlphaFormat, OUTDEV_VIRDEV) {}
/** Create a virtual device using an existing system dependent device or graphics context
Any rendering will happen directly on the context and not on any intermediate bitmap.
Note: This might not be supported on all platforms !
*/
explicit VirtualDevice(const SystemGraphicsData& rData, const Size &rSize,
DeviceFormat eFormat);
virtual ~VirtualDevice() override;
virtual void dispose() override;
bool CanEnableNativeWidget() const override;
virtual void EnableRTL( bool bEnable = true ) override;
bool SetOutputSizePixel( const Size& rNewSize, bool bErase = true );
bool SetOutputSizePixelScaleOffsetAndBuffer( const Size& rNewSize,
const Fraction& rScale,
const Point& rNewOffset,
sal_uInt8* pBuffer);
bool SetOutputSize( const Size& rNewSize )
{ return SetOutputSizePixel( LogicToPixel( rNewSize ) ); }
void SetReferenceDevice( RefDevMode );
void Compat_ZeroExtleadBug(); // enable workaround for #i60495#
void SetReferenceDevice( sal_Int32 i_nDPIX, sal_Int32 i_nDPIY );
virtual sal_uInt16 GetBitCount() const override;
bool IsVirtual() const override;
bool IsScreenComp() const override { return mbScreenComp; }
private:
SAL_DLLPRIVATE void ImplSetReferenceDevice( RefDevMode, sal_Int32 i_nDPIX, sal_Int32 i_nDPIY );
protected:
virtual bool UsePolyPolygonForComplexGradient() override;
virtual tools::Long GetFontExtLeading() const override;
};
#endif // INCLUDED_VCL_VIRDEV_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
