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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qdirectfbbackingstore.h"
#include "qdirectfbintegration.h"
#include "qdirectfbblitter.h"
#include "qdirectfbconvenience.h"
#include "qdirectfbwindow.h"
#include <private/qpixmap_blitter_p.h>
#include <QtCore/qdebug.h>
QT_BEGIN_NAMESPACE
QDirectFbBackingStore::QDirectFbBackingStore(QWindow *window)
: QPlatformBackingStore(window), m_pixmap(0), m_pmdata(0)
{
IDirectFBWindow *dfbWindow = static_cast<QDirectFbWindow *>(window->handle())->dfbWindow();
dfbWindow->GetSurface(dfbWindow, m_dfbSurface.outPtr());
//WRONGSIZE
QDirectFbBlitter *blitter = new QDirectFbBlitter(window->size(), m_dfbSurface.data());
m_pmdata = new QDirectFbBlitterPlatformPixmap;
m_pmdata->setBlittable(blitter);
m_pixmap.reset(new QPixmap(m_pmdata));
}
QPaintDevice *QDirectFbBackingStore::paintDevice()
{
return m_pixmap.data();
}
void QDirectFbBackingStore::flush(QWindow *, const QRegion ®ion, const QPoint &offset)
{
m_pmdata->blittable()->unlock();
for (const QRect &rect : region) {
DFBRegion dfbReg(rect.x() + offset.x(),rect.y() + offset.y(),rect.right() + offset.x(),rect.bottom() + offset.y());
m_dfbSurface->Flip(m_dfbSurface.data(), &dfbReg, DFBSurfaceFlipFlags(DSFLIP_BLIT|DSFLIP_ONSYNC));
}
}
void QDirectFbBackingStore::resize(const QSize &size, const QRegion& reg)
{
Q_UNUSED(reg);
if ((m_pmdata->width() == size.width()) &&
(m_pmdata->height() == size.height()))
return;
QDirectFbBlitter *blitter = new QDirectFbBlitter(size, m_dfbSurface.data());
m_pmdata->setBlittable(blitter);
}
static inline void scrollSurface(IDirectFBSurface *surface, const QRect &r, int dx, int dy)
{
const DFBRectangle rect(r.x(), r.y(), r.width(), r.height());
surface->Blit(surface, surface, &rect, r.x() + dx, r.y() + dy);
const DFBRegion region(rect.x + dx, rect.y + dy, r.right() + dx, r.bottom() + dy);
surface->Flip(surface, ®ion, DFBSurfaceFlipFlags(DSFLIP_BLIT));
}
bool QDirectFbBackingStore::scroll(const QRegion &area, int dx, int dy)
{
m_pmdata->blittable()->unlock();
if (!m_dfbSurface || area.isEmpty())
return false;
m_dfbSurface->SetBlittingFlags(m_dfbSurface.data(), DSBLIT_NOFX);
if (area.rectCount() == 1) {
scrollSurface(m_dfbSurface.data(), area.boundingRect(), dx, dy);
} else {
for (const QRect &rect : area)
scrollSurface(m_dfbSurface.data(), rect, dx, dy);
}
return true;
}
QImage QDirectFbBackingStore::toImage() const
{
return m_pixmap.data()->toImage();
}
QT_END_NAMESPACE
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