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/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#ifndef EDGE_H
#define EDGE_H
#include <memory>
#include "common/define.h"
OLIVE_NAMESPACE_ENTER
class NodeOutput;
class NodeInput;
/**
* @brief A connection between two node parameters (a NodeOutput and a NodeInput)
*
* To simplify memory management, it's recommended to use NodeEdgePtr instead of raw pointers when working with
* NodeEdge.
*/
class NodeEdge
{
public:
/**
* @brief Create a node edge connecting an output to an input
*/
NodeEdge(NodeOutput* output, NodeInput* input);
/**
* @brief Return the output parameter this edge is connected to
*/
NodeOutput* output();
/**
* @brief Return the input parameter this edge is connected to
*/
NodeInput* input();
private:
NodeOutput* output_;
NodeInput* input_;
};
using NodeEdgePtr = std::shared_ptr<NodeEdge>;
OLIVE_NAMESPACE_EXIT
#endif // EDGE_H
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