itsmattkc
81c1922911
This makes the node system somewhat more high-level with the intent of making working with them far more flexible and stable. By making the architecture more abstracted, it becomes far less rigid which should allow us to do even more with it and make it much less crash prone.
196 lines
3.4 KiB
C++
196 lines
3.4 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 BLOCK_H
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#define BLOCK_H
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#include "node/node.h"
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#include "timeline/timelinecommon.h"
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namespace olive {
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class TransitionBlock;
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/**
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* @brief A Node that represents a block of time, also displayable on a Timeline
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*/
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class Block : public Node
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{
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Q_OBJECT
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public:
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Block();
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enum Type {
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kClip,
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kGap,
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kTransition
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};
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virtual Type type() const = 0;
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virtual QVector<CategoryID> Category() const override;
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const rational& in() const
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{
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return in_point_;
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}
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const rational& out() const
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{
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return out_point_;
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}
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void set_in(const rational& in)
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{
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in_point_ = in;
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}
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void set_out(const rational& out)
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{
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out_point_ = out;
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}
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rational length() const;
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void set_length_and_media_out(const rational &length);
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void set_length_and_media_in(const rational &length);
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TimeRange range() const
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{
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return TimeRange(in(), out());
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}
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Block* previous() const
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{
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return previous_;
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}
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Block* next() const
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{
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return next_;
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}
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void set_previous(Block* previous)
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{
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previous_ = previous;
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}
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void set_next(Block* next)
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{
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next_ = next;
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}
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rational media_in() const;
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void set_media_in(const rational& media_in);
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Track* track() const
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{
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return track_;
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}
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void set_track(Track* track)
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{
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track_ = track;
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}
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bool is_enabled() const;
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void set_enabled(bool e);
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virtual void Retranslate() override;
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TransitionBlock* in_transition()
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{
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return in_transition_;
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}
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void set_in_transition(TransitionBlock* t)
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{
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in_transition_ = t;
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}
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TransitionBlock* out_transition()
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{
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return out_transition_;
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}
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void set_out_transition(TransitionBlock* t)
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{
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out_transition_ = t;
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}
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int index() const
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{
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return index_;
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}
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void set_index(int i)
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{
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index_ = i;
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}
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const QVector<Block*>& block_links() const
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{
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return block_links_;
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}
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virtual void Hash(QCryptographicHash &hash, const rational &time) const override;
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static const QString kLengthInput;
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static const QString kMediaInInput;
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static const QString kEnabledInput;
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static const QString kSpeedInput;
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public slots:
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signals:
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void EnabledChanged();
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void LengthChanged();
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protected:
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rational SequenceToMediaTime(const rational& sequence_time) const;
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rational MediaToSequenceTime(const rational& media_time) const;
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virtual void InputValueChangedEvent(const QString& input, int element) override;
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virtual void LinkChangeEvent() override;
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Block* previous_;
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Block* next_;
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private:
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void set_length_internal(const rational &length);
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rational in_point_;
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rational out_point_;
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Track* track_;
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int index_;
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TransitionBlock* in_transition_;
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TransitionBlock* out_transition_;
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QVector<Block*> block_links_;
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};
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}
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#endif // BLOCK_H
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