1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtGui module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
39
40#ifndef QSURFACE_H
41#define QSURFACE_H
42
43#include <QtGui/qtguiglobal.h>
44#include <QtCore/qnamespace.h>
45#include <QtGui/qsurfaceformat.h>
46#include <QtCore/qmetatype.h>
47#include <QtCore/qsize.h>
48
49QT_BEGIN_NAMESPACE
50
51
52class QPlatformSurface;
53
54class QSurfacePrivate;
55
56class Q_GUI_EXPORT QSurface
57{
58 Q_GADGET
59public:
60 enum SurfaceClass {
61 Window,
62 Offscreen
63 };
64 Q_ENUM(SurfaceClass)
65
66 enum SurfaceType {
67 RasterSurface,
68 OpenGLSurface,
69 RasterGLSurface,
70 OpenVGSurface,
71 VulkanSurface,
72 MetalSurface
73 };
74 Q_ENUM(SurfaceType)
75
76 virtual ~QSurface();
77
78 SurfaceClass surfaceClass() const;
79
80 virtual QSurfaceFormat format() const = 0;
81 virtual QPlatformSurface *surfaceHandle() const = 0;
82
83 virtual SurfaceType surfaceType() const = 0;
84 bool supportsOpenGL() const;
85
86 virtual QSize size() const = 0;
87
88protected:
89 explicit QSurface(SurfaceClass type);
90
91 SurfaceClass m_type;
92
93 QSurfacePrivate *m_reserved;
94};
95
96QT_END_NAMESPACE
97
98Q_DECLARE_METATYPE(QSurface*)
99
100#endif //QSURFACE_H
101

source code of qtbase/src/gui/kernel/qsurface.h