1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the plugins of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
10 ** This file may be used under the terms of the GNU Lesser General Public
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12 ** appearing in the file LICENSE.LGPL included in the packaging of this
13 ** file. Please review the following information to ensure the GNU Lesser
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19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
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25 ** file. Please review the following information to ensure the GNU General
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40 ****************************************************************************/
42 #include "qcocoabackingstore.h"
43 #include "qcocoaautoreleasepool.h"
45 #include <QtCore/qdebug.h>
46 #include <QtGui/QPainter>
50 QCocoaBackingStore::QCocoaBackingStore(QWindow *window)
51 : QPlatformBackingStore(window)
53 m_cocoaWindow = static_cast<QCocoaWindow *>(window->handle());
54 m_image = new QImage(window->geometry().size(),QImage::Format_ARGB32_Premultiplied);
57 QCocoaBackingStore::~QCocoaBackingStore()
62 QPaintDevice *QCocoaBackingStore::paintDevice()
67 void QCocoaBackingStore::flush(QWindow *widget, const QRegion ®ion, const QPoint &offset)
71 QCocoaAutoReleasePool pool;
73 QRect geo = region.boundingRect();
74 NSRect rect = NSMakeRect(geo.x(), geo.y(), geo.width(), geo.height());
75 [m_cocoaWindow->m_contentView displayRect:rect];
78 void QCocoaBackingStore::resize(const QSize &size, const QRegion &)
81 m_image = new QImage(size, QImage::Format_ARGB32_Premultiplied);
82 [static_cast<QNSView *>(m_cocoaWindow->m_contentView) setImage:m_image];
85 bool QCocoaBackingStore::scroll(const QRegion &area, int dx, int dy)
87 extern void qt_scrollRectInImage(QImage &img, const QRect &rect, const QPoint &offset);
88 QPoint qpoint(dx, dy);
89 const QVector<QRect> qrects = area.rects();
90 for (int i = 0; i < qrects.count(); ++i) {
91 const QRect &qrect = qrects.at(i);
92 qt_scrollRectInImage(*m_image, qrect, qpoint);