88 lines
1.8 KiB
C++
88 lines
1.8 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2020 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef EDGE_H
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#define EDGE_H
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#include <memory>
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#include <QString>
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#include "common/define.h"
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OLIVE_NAMESPACE_ENTER
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class Node;
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class NodeInput;
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class NodeOutput;
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class NodeParam;
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/**
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* @brief A connection between two node parameters (a NodeOutput and a NodeInput)
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*
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* To simplify memory management, it's recommended to use NodeEdgePtr instead of raw pointers when working with
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* NodeEdge.
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*/
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class NodeEdge
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{
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public:
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/**
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* @brief Create a node edge connecting an output to an input
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*/
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NodeEdge(NodeOutput* output, NodeInput* input);
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Node* output_node() const
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{
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return output_.node;
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}
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Node* input_node() const
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{
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return input_.node;
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}
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/**
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* @brief Return the output parameter this edge is connected to
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*/
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NodeOutput* output() const;
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/**
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* @brief Return the input parameter this edge is connected to
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*/
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NodeInput* input() const;
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private:
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struct Connection {
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Node* node;
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QString id;
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};
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static Connection ParamToConnection(NodeParam* param);
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Connection output_;
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Connection input_;
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};
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using NodeEdgePtr = std::shared_ptr<NodeEdge>;
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OLIVE_NAMESPACE_EXIT
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#endif // EDGE_H
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