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39
40#ifndef QOFFSCREENCOMMON_H
41#define QOFFSCREENCOMMON_H
42
43#include <qpa/qplatformbackingstore.h>
44#if QT_CONFIG(draganddrop)
45#include <qpa/qplatformdrag.h>
46#endif
47#include <qpa/qplatformintegration.h>
48#include <qpa/qplatformnativeinterface.h>
49#include <qpa/qplatformscreen.h>
50#include <qpa/qplatformwindow.h>
51
52#include <qscopedpointer.h>
53#include <qimage.h>
54#include <qhash.h>
55
56QT_BEGIN_NAMESPACE
57
58class QOffscreenScreen : public QPlatformScreen
59{
60public:
61 QOffscreenScreen();
62
63 QRect geometry() const override { return m_geometry; }
64 int depth() const override { return 32; }
65 QImage::Format format() const override { return QImage::Format_RGB32; }
66 QPlatformCursor *cursor() const override { return m_cursor.data(); }
67
68 QPixmap grabWindow(WId window, int x, int y, int width, int height) const override;
69
70 static QPlatformWindow *windowContainingCursor;
71
72public:
73 QRect m_geometry;
74 QScopedPointer<QPlatformCursor> m_cursor;
75};
76
77#if QT_CONFIG(draganddrop)
78class QOffscreenDrag : public QPlatformDrag
79{
80public:
81 Qt::DropAction drag(QDrag *) override { return Qt::IgnoreAction; }
82};
83#endif
84
85class QOffscreenBackingStore : public QPlatformBackingStore
86{
87public:
88 QOffscreenBackingStore(QWindow *window);
89 ~QOffscreenBackingStore();
90
91 QPaintDevice *paintDevice() override;
92 void flush(QWindow *window, const QRegion &region, const QPoint &offset) override;
93 void resize(const QSize &size, const QRegion &staticContents) override;
94 bool scroll(const QRegion &area, int dx, int dy) override;
95
96 QPixmap grabWindow(WId window, const QRect &rect) const;
97
98 static QOffscreenBackingStore *backingStoreForWinId(WId id);
99
100private:
101 void clearHash();
102
103 QImage m_image;
104 QHash<WId, QRect> m_windowAreaHash;
105
106 static QHash<WId, QOffscreenBackingStore *> m_backingStoreForWinIdHash;
107};
108
109class QOffscreenPlatformNativeInterface : public QPlatformNativeInterface
110{
111public:
112 ~QOffscreenPlatformNativeInterface();
113};
114
115QT_END_NAMESPACE
116
117#endif
118

source code of qtbase/src/plugins/platforms/offscreen/qoffscreencommon.h