Qt
Internal/Contributor docs for the Qt SDK. <b>Note:</b> These are NOT official API docs; those are found <a href='https://doc.qt.io/'>here</a>.
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qdirectfbbackingstore.h
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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 QWINDOWSURFACE_DIRECTFB_H
5#define QWINDOWSURFACE_DIRECTFB_H
6
7#include <qpa/qplatformbackingstore.h>
8#include <private/qpixmap_blitter_p.h>
9
10#include <directfb.h>
11
13
15
17{
18public:
20
21 QPaintDevice *paintDevice() override;
22 void flush(QWindow *window, const QRegion &region, const QPoint &offset) override;
23 void resize (const QSize &size, const QRegion &staticContents) override;
24 bool scroll(const QRegion &area, int dx, int dy) override;
25
26 QImage toImage() const override;
27
28private:
29 void lockSurfaceToImage();
30
31 QScopedPointer<QPixmap> m_pixmap;
33 QDirectFBPointer<IDirectFBSurface> m_dfbSurface;
34};
35
37
38#endif
QPaintDevice * paintDevice() override
Implement this function to return the appropriate paint device.
void resize(const QSize &size, const QRegion &staticContents) override
QDirectFbBackingStore(QWindow *window)
QImage toImage() const override
Implemented in subclasses to return the content of the backingstore as a QImage.
void flush(QWindow *window, const QRegion &region, const QPoint &offset) override
Flushes the given region from the specified window.
bool scroll(const QRegion &area, int dx, int dy) override
Scrolls the given area dx pixels to the right and dy downward; both dx and dy may be negative.
\inmodule QtGui
Definition qimage.h:37
The QPlatformBackingStore class provides the drawing area for top-level windows.
QWindow * window() const
Returns a pointer to the top-level window associated with this surface.
\inmodule QtCore\reentrant
Definition qpoint.h:25
The QRegion class specifies a clip region for a painter.
Definition qregion.h:27
\inmodule QtCore
Definition qsize.h:25
\inmodule QtGui
Definition qwindow.h:63
Combined button and popup list for selecting options.
static int area(const QSize &s)
Definition qicon.cpp:153
GLenum GLuint GLintptr GLsizeiptr size
[1]
GLenum GLuint GLintptr offset