1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #ifndef QBACKINGSTORE_H |
5 | #define QBACKINGSTORE_H |
6 | |
7 | #include <QtGui/qtguiglobal.h> |
8 | #include <QtCore/qrect.h> |
9 | |
10 | #include <QtGui/qwindow.h> |
11 | #include <QtGui/qregion.h> |
12 | |
13 | QT_BEGIN_NAMESPACE |
14 | |
15 | |
16 | class QRegion; |
17 | class QRect; |
18 | class QPoint; |
19 | class QImage; |
20 | class QBackingStorePrivate; |
21 | class QPlatformBackingStore; |
22 | |
23 | class Q_GUI_EXPORT QBackingStore |
24 | { |
25 | public: |
26 | explicit QBackingStore(QWindow *window); |
27 | ~QBackingStore(); |
28 | |
29 | QWindow *window() const; |
30 | |
31 | QPaintDevice *paintDevice(); |
32 | |
33 | void flush(const QRegion ®ion, QWindow *window = nullptr, const QPoint &offset = QPoint()); |
34 | |
35 | void resize(const QSize &size); |
36 | QSize size() const; |
37 | |
38 | bool scroll(const QRegion &area, int dx, int dy); |
39 | |
40 | void beginPaint(const QRegion &); |
41 | void endPaint(); |
42 | |
43 | void setStaticContents(const QRegion ®ion); |
44 | QRegion staticContents() const; |
45 | bool hasStaticContents() const; |
46 | |
47 | QPlatformBackingStore *handle() const; |
48 | |
49 | private: |
50 | QScopedPointer<QBackingStorePrivate> d_ptr; |
51 | }; |
52 | |
53 | QT_END_NAMESPACE |
54 | |
55 | #endif // QBACKINGSTORE_H |
56 | |