145 lines
4.1 KiB
C++
145 lines
4.1 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 TIMELINEOUTPUT_H
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#define TIMELINEOUTPUT_H
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#include "node/block/block.h"
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#include "panel/timeline/timeline.h"
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/**
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* @brief Node that represents the end of the Timeline as well as a time traversal Node
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*/
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class TimelineOutput : public Block
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{
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Q_OBJECT
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public:
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TimelineOutput();
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virtual Type type() override;
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virtual Block* copy() override;
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virtual QString Name() override;
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virtual QString id() override;
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virtual QString Category() override;
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virtual QString Description() override;
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void AttachTimeline(TimelinePanel* timeline);
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virtual void set_length(const rational &length) override;
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virtual void Refresh() override;
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public slots:
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virtual void Process(const rational &time) override;
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private:
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/**
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* @brief Sets this Block as the only block in the Timeline (creating essentially a one clip sequence)
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*/
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void ConnectBlockInternal(Block* block);
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/**
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* @brief Disconnects t
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*/
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void RemoveBlockInternal();
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/**
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* @brief Adds a Block to the parent graph so it can be connected to other Nodes
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*
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* Also runs through Node's dependencies (the Nodes whose outputs are connected to this Node's inputs)
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*/
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void AddBlockToGraph(Block* block);
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Block* attached_block();
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QVector<Block*> block_cache_;
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Block* current_block_;
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TimelinePanel* attached_timeline_;
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private slots:
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/**
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* @brief Adds Block `block` at the very beginning of the Sequence before all other clips
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*/
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void PrependBlock(Block* block);
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/**
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* @brief Inserts Block `block` at a specific index (0 is the start of the timeline)
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*
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* If the index == 0, this function does the same as PrependBlock(). If the index >= the current number of blocks,
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* this function is the same as AppendBlock().
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*/
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void InsertBlockAtIndex(Block* block, int index);
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/**
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* @brief Inserts a Block between two other Blocks
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*
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* Disconnects `before` and `after`, and connects them to `block` with `block` in between.
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*/
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void InsertBlockBetweenBlocks(Block* block, Block* before, Block* after);
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/**
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* @brief Inserts Block after another Block
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*
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* Equivalent to calling InsertBlockBetweenBlocks(block, before, before->next())
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*/
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void InsertBlockAfter(Block* block, Block* before);
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/**
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* @brief Adds Block `block` at the very end of the Sequence after all other clips
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*/
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void AppendBlock(Block* block);
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/**
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* @brief Destructively places `block` at the in point `start`
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*
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* The Block is guaranteed to be placed at the starting point specified. If there are Blocks in this area, they are
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* either trimmed or removed to make space for this Block. Additionally, if the Block is placed beyond the end of
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* the Sequence, a GapBlock is inserted to compensate.
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*/
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void PlaceBlock(Block* block, rational start);
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/**
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* @brief Removes a Block and places a Gap in its place
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*/
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void RemoveBlock(Block* block);
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/**
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* @brief Removes a Block pushing all subsequent Blocks earlier to take up the space
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*/
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void RippleRemoveBlock(Block* block);
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/**
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* @brief Splits `block` into two Blocks at the Sequence point `time`
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*/
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void SplitBlock(Block* block, rational time);
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/**
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* @brief Inserts Block `inner` between Block `outer`, splitting and shortening it to fit without changing the overall
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* length
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*/
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void SpliceBlock(Block* inner, Block* outer, rational inner_in);
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};
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#endif // TIMELINEOUTPUT_H
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