1 files changed, 140 insertions, 0 deletions
diff --git a/src/plugins/platforms/directfb/qdirectfbbackingstore.cpp b/src/plugins/platforms/directfb/qdirectfbbackingstore.cpp
new file mode 100644
index 0000000000..736c9bc8c9
--- /dev/null
+++ b/src/plugins/platforms/directfb/qdirectfbbackingstore.cpp
@@ -0,0 +1,140 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qdirectfbbackingstore.h"
+#include "qdirectfbintegration.h"
+#include "qdirectfbblitter.h"
+#include "qdirectfbconvenience.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), m_dfbSurface(0)
+{
+
+    IDirectFBDisplayLayer *layer = QDirectFbConvenience::dfbDisplayLayer();
+
+    DFBWindowID id(window->winId());
+    IDirectFBWindow *dfbWindow;
+
+    layer->GetWindow(layer,id,&dfbWindow);
+
+    dfbWindow->GetSurface(dfbWindow,&m_dfbSurface);
+//WRONGSIZE
+    QDirectFbBlitter *blitter = new QDirectFbBlitter(window->size(), m_dfbSurface);
+    m_pmdata = new QDirectFbBlitterPlatformPixmap;
+    m_pmdata->setBlittable(blitter);
+    m_pixmap = new QPixmap(m_pmdata);
+}
+
+QDirectFbBackingStore::~QDirectFbBackingStore()
+{
+    delete m_pixmap;
+}
+
+QPaintDevice *QDirectFbBackingStore::paintDevice()
+{
+    return m_pixmap;
+}
+
+void QDirectFbBackingStore::flush(QWindow *, const QRegion &region, 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, &dfbReg, DFBSurfaceFlipFlags(DSFLIP_BLIT|DSFLIP_ONSYNC));
+    }
+}
+
+void QDirectFbBackingStore::resize(const QSize &size, const QRegion& reg)
+{
+    QPlatformBackingStore::resize(size, reg);
+
+    //Have to add 1 ref ass it will be removed by deleting the old blitter in setBlittable
+    m_dfbSurface->AddRef(m_dfbSurface);
+    QDirectFbBlitter *blitter = new QDirectFbBlitter(size,m_dfbSurface);
+    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, &region, 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, DSBLIT_NOFX);
+    if (area.rectCount() == 1) {
+        scrollSurface(m_dfbSurface, 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, rects.at(i), dx, dy);
+        }
+    }
+    return true;
+}
+
+void QDirectFbBackingStore::beginPaint(const QRegion &region)
+{
+    Q_UNUSED(region);
+}
+
+void QDirectFbBackingStore::endPaint(const QRegion &region)
+{
+    Q_UNUSED(region);
+}
+
+QT_END_NAMESPACE