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// Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QT3DANIMATION_ANIMATION_CLIPBLENDNODEVISITOR_P_H
#define QT3DANIMATION_ANIMATION_CLIPBLENDNODEVISITOR_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <functional>
#include <Qt3DCore/qnodeid.h>
#include <private/qglobal_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DAnimation {
namespace Animation {
class ClipBlendNodeManager;
class ClipBlendNode;
using VisitFunction = std::function<void (ClipBlendNode *)>;
class Q_AUTOTEST_EXPORT ClipBlendNodeVisitor
{
public:
enum TraversalOrder {
PreOrder,
PostOrder
};
enum NodeFilter {
VisitAllNodes,
VisitOnlyDependencies
};
explicit ClipBlendNodeVisitor(ClipBlendNodeManager *manager,
TraversalOrder order = PostOrder,
NodeFilter filter = VisitAllNodes);
void traverse(Qt3DCore::QNodeId rootId, const VisitFunction &visitFunction) const;
private:
void visitPreOrderAllNodes(ClipBlendNode *node, const VisitFunction &visitFunction) const;
void visitPostOrderAllNodes(ClipBlendNode *node, const VisitFunction &visitFunction) const;
void visitPreOrderDependencyNodes(ClipBlendNode *node, const VisitFunction &visitFunction) const;
void visitPostOrderDependencyNodes(ClipBlendNode *node, const VisitFunction &visitFunction) const;
ClipBlendNodeManager *m_manager;
TraversalOrder m_order;
NodeFilter m_filter;
};
} // Animation
} // Qt3DAnimation
QT_END_NAMESPACE
#endif // QT3DANIMATION_ANIMATION_CLIPBLENDNODEVISITOR_P_H
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