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39
40#ifndef QFBBACKINGSTORE_P_H
41#define QFBBACKINGSTORE_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <qpa/qplatformbackingstore.h>
55#include <QtCore/QMutex>
56
57QT_BEGIN_NAMESPACE
58
59class QFbScreen;
60class QFbWindow;
61class QWindow;
62
63class QFbBackingStore : public QPlatformBackingStore
64{
65public:
66 QFbBackingStore(QWindow *window);
67 ~QFbBackingStore();
68
69 QPaintDevice *paintDevice() override { return &mImage; }
70 void flush(QWindow *window, const QRegion &region, const QPoint &offset) override;
71
72 void resize(const QSize &size, const QRegion &region) override;
73
74 const QImage image();
75 QImage toImage() const override;
76
77 void lock();
78 void unlock();
79
80 void beginPaint(const QRegion &) override;
81 void endPaint() override;
82
83protected:
84 friend class QFbWindow;
85
86 QImage mImage;
87 QMutex mImageMutex;
88};
89
90QT_END_NAMESPACE
91
92#endif // QFBBACKINGSTORE_P_H
93
94

source code of qtbase/src/platformsupport/fbconvenience/qfbbackingstore_p.h