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oak-editor/app/render/projectcopier.h
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2025-08-05 17:12:49 +08:00

145 lines
3.3 KiB
C++

/*
* Olive Community Edition - Non-Linear Video Editor
* Copyright (C) 2025 Olive CE 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 PROJECTCOPIER_H
#define PROJECTCOPIER_H
#include "node/project.h"
namespace olive
{
class ProjectCopier : public QObject {
Q_OBJECT
public:
ProjectCopier(QObject *parent = nullptr);
void SetProject(Project *project);
template <typename T> T *GetCopy(T *original)
{
return static_cast<T *>(copy_map_.value(original));
}
template <typename T> T *GetOriginal(T *copy)
{
return static_cast<T *>(copy_map_.key(copy));
}
Project *GetCopiedProject() const
{
return copy_;
}
const QHash<Node *, Node *> &GetNodeMap() const
{
return copy_map_;
}
const JobTime &GetGraphChangeTime() const
{
return graph_changed_time_;
}
const JobTime &GetLastUpdateTime() const
{
return last_update_time_;
}
bool HasUpdatesInQueue() const
{
return !graph_update_queue_.empty();
}
/**
* @brief Process all changes to internal NodeGraph copy
*
* PreviewAutoCacher staggers updates to its internal NodeGraph copy, only applying them when the
* RenderManager is not reading from it. This function is called when such an opportunity arises.
*/
void ProcessUpdateQueue();
signals:
void AddedNode(Node *n);
void RemovedNode(Node *n);
private:
void DoNodeAdd(Node *node);
void DoNodeRemove(Node *node);
void DoEdgeAdd(Node *output, const NodeInput &input);
void DoEdgeRemove(Node *output, const NodeInput &input);
void DoValueChange(const NodeInput &input);
void DoValueHintChange(const NodeInput &input);
void DoProjectSettingChange(const QString &key, const QString &value);
void InsertIntoCopyMap(Node *node, Node *copy);
void UpdateGraphChangeValue();
void UpdateLastSyncedValue();
Project *original_;
Project *copy_;
class QueuedJob {
public:
enum Type {
kNodeAdded,
kNodeRemoved,
kEdgeAdded,
kEdgeRemoved,
kValueChanged,
kValueHintChanged,
kProjectSettingChanged
};
Type type;
Node *node;
NodeInput input;
Node *output;
QString key;
QString value;
};
std::list<QueuedJob> graph_update_queue_;
QHash<Node *, Node *> copy_map_;
QHash<Project *, Project *> graph_map_;
QVector<Node *> created_nodes_;
JobTime graph_changed_time_;
JobTime last_update_time_;
private slots:
void QueueNodeAdd(Node *node);
void QueueNodeRemove(Node *node);
void QueueEdgeAdd(Node *output, const NodeInput &input);
void QueueEdgeRemove(Node *output, const NodeInput &input);
void QueueValueChange(const NodeInput &input);
void QueueValueHintChange(const NodeInput &input);
void QueueProjectSettingChange(const QString &key, const QString &value);
};
}
#endif // PROJECTCOPIER_H