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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
**
******************************************************************************/
#include "qfbbackingstore_p.h"
#include "qfbwindow_p.h"
#include "qfbscreen_p.h"
#include <qpa/qplatformwindow.h>
#include <QtGui/qscreen.h>
#include <QtGui/qpainter.h>
QT_BEGIN_NAMESPACE
QFbBackingStore::QFbBackingStore(QWindow *window)
: QPlatformBackingStore(window)
{
if (window->handle())
(static_cast<QFbWindow *>(window->handle()))->setBackingStore(this);
else
(static_cast<QFbScreen *>(window->screen()->handle()))->addPendingBackingStore(this);
}
QFbBackingStore::~QFbBackingStore()
{
}
void QFbBackingStore::flush(QWindow *window, const QRegion ®ion, const QPoint &offset)
{
Q_UNUSED(window);
Q_UNUSED(offset);
(static_cast<QFbWindow *>(window->handle()))->repaint(region);
}
void QFbBackingStore::resize(const QSize &size, const QRegion &staticContents)
{
Q_UNUSED(staticContents);
if (mImage.size() != size)
mImage = QImage(size, window()->screen()->handle()->format());
}
const QImage QFbBackingStore::image()
{
return mImage;
}
QImage QFbBackingStore::toImage() const
{
return mImage;
}
void QFbBackingStore::lock()
{
mImageMutex.lock();
}
void QFbBackingStore::unlock()
{
mImageMutex.unlock();
}
void QFbBackingStore::beginPaint(const QRegion ®ion)
{
lock();
if (mImage.hasAlphaChannel()) {
QPainter p(&mImage);
p.setCompositionMode(QPainter::CompositionMode_Source);
for (const QRect &r : region)
p.fillRect(r, Qt::transparent);
}
}
void QFbBackingStore::endPaint()
{
unlock();
}
QT_END_NAMESPACE
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