178 lines
4.3 KiB
C++
178 lines
4.3 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 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 NODEINPUT_H
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#define NODEINPUT_H
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#include "keyframe.h"
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#include "param.h"
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/**
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* @brief A node parameter designed to take either user input or data from another node
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*/
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class NodeInput : public NodeParam
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{
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Q_OBJECT
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public:
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/**
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* @brief NodeInput Constructor
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*
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* @param id
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*
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* Unique ID associated with this parameter for this Node. This ID only has to be unique within this Node. Used for
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* saving/loading data from this Node so that parameter order can be changed without issues loading data saved by an
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* older version. This of course assumes that parameters don't change their ID.
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*/
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NodeInput(const QString &id);
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virtual bool IsArray();
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/**
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* @brief Returns kInput
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*/
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virtual Type type() override;
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virtual QString name() override;
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/**
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* @brief The data type this parameter outputs
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*
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* This can be used in conjunction with NodeInput::can_accept_type() to determine whether this parameter can be
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* connected to it.
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*/
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const DataType& data_type();
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void set_data_type(const DataType& type);
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/**
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* @brief If this input is connected to an output, retrieve the output parameter
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*
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* @return
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*
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* The output parameter if connected or nullptr if not
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*/
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NodeOutput* get_connected_output();
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/**
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* @brief If this input is connected to an output, retrieve the Node whose output is connected
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*
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* @return
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*
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* The connected Node if connected or nullptr if not
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*/
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Node* get_connected_node();
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/**
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* @brief Calculate what the stored value should be at a certain time
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*/
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QVariant get_value_at_time(const rational& time);
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/**
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* @brief Sets what value should be seen at a specific time
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*/
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void set_value_at_time(const rational& time, const QVariant& value);
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/**
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* @brief Return whether keyframing is enabled on this input or not
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*/
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bool is_keyframing();
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/**
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* @brief Set whether keyframing is enabled on this input or not
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*/
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void set_is_keyframing(bool k);
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/**
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* @brief Return whether the Node is dependent on this input or not
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*
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* \see set_dependent()
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*/
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bool dependent();
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/**
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* @brief Set whether the Node is dependent on this input
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*/
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void set_dependent(bool d);
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const QVariant& minimum();
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bool has_minimum();
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void set_minimum(const QVariant& min);
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const QVariant& maximum();
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bool has_maximum();
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void set_maximum(const QVariant& max);
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/**
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* @brief Copy all values including keyframe information and connections from another NodeInput
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*/
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static void CopyValues(NodeInput* source, NodeInput* dest, bool include_connections = true);
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signals:
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void ValueChanged(const rational& start, const rational& end);
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private:
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/**
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* @brief Internal list of accepted data types
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*
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* Use can_accept_type() to check if a type is in this list
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*/
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DataType data_type_;
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/**
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* @brief Internal keyframe array
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*
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* All internal/user-defined data is stored in this array. Even if keyframing is not enabled, this array will contain
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* one entry which will be used, and its time value will be ignored.
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*/
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QList<NodeKeyframe> keyframes_;
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/**
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* @brief Internal keyframing enabled setting
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*/
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bool keyframing_;
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/**
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* @brief Internal dependent setting
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*/
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bool dependent_;
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/**
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* @brief Sets whether this param has a minimum value or not
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*/
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bool has_minimum_;
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/**
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* @brief Internal minimum value
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*/
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QVariant minimum_;
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/**
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* @brief Sets whether this param has a maximum value or not
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*/
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bool has_maximum_;
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/**
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* @brief Internal maximum value
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*/
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QVariant maximum_;
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};
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#endif // NODEINPUT_H
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