| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
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| ** This file is part of the QtGui module of the Qt Toolkit. |
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| ****************************************************************************/ |
| |
| #ifndef QBACKINGSTORE_H |
| #define QBACKINGSTORE_H |
| |
| #include <QtCore/qrect.h> |
| |
| #include <QtGui/qwindow.h> |
| #include <QtGui/qregion.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| class QRegion; |
| class QRect; |
| class QPoint; |
| class QImage; |
| class QBackingStorePrivate; |
| class QPlatformBackingStore; |
| |
| class Q_GUI_EXPORT QBackingStore |
| { |
| public: |
| explicit QBackingStore(QWindow *window); |
| ~QBackingStore(); |
| |
| QWindow *window() const; |
| |
| QPaintDevice *paintDevice(); |
| |
| // 'window' can be a child window, in which case 'region' is in child window coordinates and |
| // offset is the (child) window's offset in relation to the window surface. |
| void flush(const QRegion ®ion, QWindow *window = 0, const QPoint &offset = QPoint()); |
| |
| void resize(const QSize &size); |
| QSize size() const; |
| |
| bool scroll(const QRegion &area, int dx, int dy); |
| |
| void beginPaint(const QRegion &); |
| void endPaint(); |
| |
| void setStaticContents(const QRegion ®ion); |
| QRegion staticContents() const; |
| bool hasStaticContents() const; |
| |
| QPlatformBackingStore *handle() const; |
| |
| private: |
| QScopedPointer<QBackingStorePrivate> d_ptr; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QBACKINGSTORE_H |