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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/qplatformscreen.h>
49#include <qpa/qplatformwindow.h>
50
51#include <qscopedpointer.h>
52#include <qimage.h>
53#include <qhash.h>
54
55QT_BEGIN_NAMESPACE
56
57class QOffscreenIntegration;
58class QOffscreenScreen : public QPlatformScreen
59{
60public:
61 QOffscreenScreen(const QOffscreenIntegration *integration);
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 QDpi logicalDpi() const override { return QDpi(m_logicalDpi, m_logicalDpi); }
67 QDpi logicalBaseDpi() const override { return QDpi(m_logicalBaseDpi, m_logicalBaseDpi); }
68 qreal devicePixelRatio() const override { return m_dpr; }
69 QString name() const override { return m_name; }
70 QPlatformCursor *cursor() const override { return m_cursor.data(); }
71 QList<QPlatformScreen *> virtualSiblings() const override;
72
73 QPixmap grabWindow(WId window, int x, int y, int width, int height) const override;
74
75 static QPlatformWindow *windowContainingCursor;
76
77public:
78 QString m_name;
79 QRect m_geometry;
80 int m_logicalDpi = 96;
81 int m_logicalBaseDpi= 96;
82 qreal m_dpr = 1;
83 QScopedPointer<QPlatformCursor> m_cursor;
84 const QOffscreenIntegration *m_integration;
85};
86
87#if QT_CONFIG(draganddrop)
88class QOffscreenDrag : public QPlatformDrag
89{
90public:
91 Qt::DropAction drag(QDrag *) override { return Qt::IgnoreAction; }
92};
93#endif
94
95class QOffscreenBackingStore : public QPlatformBackingStore
96{
97public:
98 QOffscreenBackingStore(QWindow *window);
99 ~QOffscreenBackingStore();
100
101 QPaintDevice *paintDevice() override;
102 void flush(QWindow *window, const QRegion &region, const QPoint &offset) override;
103 void resize(const QSize &size, const QRegion &staticContents) override;
104 bool scroll(const QRegion &area, int dx, int dy) override;
105
106 QPixmap grabWindow(WId window, const QRect &rect) const;
107
108 static QOffscreenBackingStore *backingStoreForWinId(WId id);
109
110private:
111 void clearHash();
112
113 QImage m_image;
114 QHash<WId, QRect> m_windowAreaHash;
115
116 static QHash<WId, QOffscreenBackingStore *> m_backingStoreForWinIdHash;
117};
118
119QT_END_NAMESPACE
120
121#endif
122