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 QOFFSCREENSURFACE_H 41 #define QOFFSCREENSURFACE_H 42 43 #include <QtGui/qtguiglobal.h> 44 #include <QtCore/QObject> 45 #include <QtGui/qsurface.h> 46 47 QT_BEGIN_NAMESPACE 48 49 class QOffscreenSurfacePrivate; 50 51 class QScreen; 52 class QPlatformOffscreenSurface; 53 54 class Q_GUI_EXPORT QOffscreenSurface : public QObject, public QSurface 55 { 56 Q_OBJECT 57 Q_DECLARE_PRIVATE(QOffscreenSurface) 58 59 public: 60 // ### Qt 6: merge overloads 61 explicit QOffscreenSurface(QScreen *screen, QObject *parent); 62 explicit QOffscreenSurface(QScreen *screen = nullptr); 63 ~QOffscreenSurface(); 64 65 SurfaceType surfaceType() const override; 66 67 void create(); 68 void destroy(); 69 70 bool isValid() const; 71 72 void setFormat(const QSurfaceFormat &format); 73 QSurfaceFormat format() const override; 74 QSurfaceFormat requestedFormat() const; 75 76 QSize size() const override; 77 78 QScreen *screen() const; 79 void setScreen(QScreen *screen); 80 81 QPlatformOffscreenSurface *handle() const; 82 83 void *nativeHandle() const; 84 void setNativeHandle(void *handle); 85 86 Q_SIGNALS: 87 void screenChanged(QScreen *screen); 88 89 private Q_SLOTS: 90 void screenDestroyed(QObject *screen); 91 92 private: 93 94 QPlatformSurface *surfaceHandle() const override; 95 96 Q_DISABLE_COPY(QOffscreenSurface) 97 }; 98 99 QT_END_NAMESPACE 100 101 #endif // QOFFSCREENSURFACE_H 102