153 lines
2.7 KiB
C++
153 lines
2.7 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 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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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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virtual void set_length_and_media_out(const rational &length);
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virtual 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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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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emit TrackChanged(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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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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virtual void InvalidateCache(const TimeRange& range, const QString& from, int element = -1, InvalidateCacheOptions options = InvalidateCacheOptions()) override;
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static const QString kLengthInput;
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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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void PreviewChanged();
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void TrackChanged(Track *track);
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protected:
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virtual void InputValueChangedEvent(const QString& input, int element) 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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rational last_length_;
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};
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}
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#endif // BLOCK_H
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