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
|
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWAYLANDSHMBACKINGSTORE_H
#define QWAYLANDSHMBACKINGSTORE_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtWaylandClient/private/qwaylandbuffer_p.h>
#include <qpa/qplatformbackingstore.h>
#include <QtGui/QImage>
#include <qpa/qplatformwindow.h>
#include <QMutex>
#include <QLinkedList>
QT_BEGIN_NAMESPACE
namespace QtWaylandClient {
class QWaylandDisplay;
class QWaylandAbstractDecoration;
class QWaylandWindow;
class Q_WAYLAND_CLIENT_EXPORT QWaylandShmBuffer : public QWaylandBuffer {
public:
QWaylandShmBuffer(QWaylandDisplay *display,
const QSize &size, QImage::Format format, int scale = 1);
~QWaylandShmBuffer();
QSize size() const Q_DECL_OVERRIDE { return mImage.size(); }
int scale() const Q_DECL_OVERRIDE { return int(mImage.devicePixelRatio()); }
QImage *image() { return &mImage; }
QImage *imageInsideMargins(const QMargins &margins);
private:
QImage mImage;
struct wl_shm_pool *mShmPool;
QMargins mMargins;
QImage *mMarginsImage;
};
class Q_WAYLAND_CLIENT_EXPORT QWaylandShmBackingStore : public QPlatformBackingStore
{
public:
QWaylandShmBackingStore(QWindow *window);
~QWaylandShmBackingStore();
QPaintDevice *paintDevice();
void flush(QWindow *window, const QRegion ®ion, const QPoint &offset) Q_DECL_OVERRIDE;
void resize(const QSize &size, const QRegion &staticContents) Q_DECL_OVERRIDE;
void resize(const QSize &size);
void beginPaint(const QRegion &) Q_DECL_OVERRIDE;
void endPaint() Q_DECL_OVERRIDE;
void hidden();
QWaylandAbstractDecoration *windowDecoration() const;
QMargins windowDecorationMargins() const;
QImage *entireSurface() const;
QImage *contentSurface() const;
void ensureSize();
QWaylandWindow *waylandWindow() const;
void iterateBuffer();
#ifndef QT_NO_OPENGL
QImage toImage() const Q_DECL_OVERRIDE;
#endif
private:
void updateDecorations();
QWaylandShmBuffer *getBuffer(const QSize &size);
QWaylandDisplay *mDisplay;
QLinkedList<QWaylandShmBuffer *> mBuffers;
QWaylandShmBuffer *mFrontBuffer;
QWaylandShmBuffer *mBackBuffer;
bool mPainting;
QMutex mMutex;
QSize mRequestedSize;
Qt::WindowFlags mCurrentWindowFlags;
};
}
QT_END_NAMESPACE
#endif
|
