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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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();
QVector<QRect> rects = region.rects();
for (int i = 0 ; i < rects.size(); i++) {
const QRect rect = rects.at(i);
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 {
const QVector<QRect> rects = area.rects();
const int n = rects.size();
for (int i=0; i<n; ++i) {
scrollSurface(m_dfbSurface.data(), rects.at(i), dx, dy);
}
}
return true;
}
QT_END_NAMESPACE
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