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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 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, 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.
**
** 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSGNODEUPDATER_P_H
#define QSGNODEUPDATER_P_H
#include <private/qtquickglobal_p.h>
#include <QtGui/private/qdatabuffer_p.h>
QT_BEGIN_NAMESPACE
class QSGNode;
class QSGTransformNode;
class QSGClipNode;
class QSGOpacityNode;
class QSGGeometryNode;
class QMatrix4x4;
class QSGRenderNode;
class Q_QUICK_PRIVATE_EXPORT QSGNodeUpdater
{
public:
QSGNodeUpdater();
virtual ~QSGNodeUpdater();
virtual void updateStates(QSGNode *n);
virtual bool isNodeBlocked(QSGNode *n, QSGNode *root) const;
protected:
virtual void enterTransformNode(QSGTransformNode *);
virtual void leaveTransformNode(QSGTransformNode *);
void enterClipNode(QSGClipNode *c);
void leaveClipNode(QSGClipNode *c);
void enterOpacityNode(QSGOpacityNode *o);
void leaveOpacityNode(QSGOpacityNode *o);
void enterGeometryNode(QSGGeometryNode *);
void leaveGeometryNode(QSGGeometryNode *);
void enterRenderNode(QSGRenderNode *);
void leaveRenderNode(QSGRenderNode *);
void visitNode(QSGNode *n);
void visitChildren(QSGNode *n);
QDataBuffer<const QMatrix4x4 *> m_combined_matrix_stack;
QDataBuffer<qreal> m_opacity_stack;
const QSGClipNode *m_current_clip;
int m_force_update;
};
QT_END_NAMESPACE
#endif
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