4#ifndef QWINDOWSDIRECT2DBACKINGSTORE_H
5#define QWINDOWSDIRECT2DBACKINGSTORE_H
7#include <QtGui/qpa/qplatformbackingstore.h>
\inmodule QtCore\reentrant
The QRegion class specifies a clip region for a painter.
Backing store for windows.
void resize(const QSize &size, const QRegion &staticContents) override
void beginPaint(const QRegion &) override
This function is called before painting onto the surface begins, with the region in which the paintin...
void endPaint() override
This function is called after painting onto the surface has ended.
void flush(QWindow *targetWindow, const QRegion ®ion, const QPoint &offset) override
Flushes the given region from the specified window.
QPaintDevice * paintDevice() override
Implement this function to return the appropriate paint device.
~QWindowsDirect2DBackingStore()
QImage toImage() const override
Implemented in subclasses to return the content of the backingstore as a QImage.
Combined button and popup list for selecting options.
GLenum GLuint GLintptr GLsizeiptr size
[1]
GLenum GLuint GLintptr offset