3e023fcf79
The "slip strip contents" operator in the VSE now can move the strip keyframes. There is a property to enable keyframe slipping. The property is disabled by default, mainly because animation is often used for fade in/out, which would be annoying if it moved with content. Pull Request: https://projects.blender.org/blender/blender/pulls/136386
54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
/* SPDX-FileCopyrightText: 2022 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup sequencer
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*/
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#include "DNA_listBase.h"
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#include "ANIM_action.hh"
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struct ListBase;
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struct Scene;
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struct Strip;
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struct SeqAnimationBackup;
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namespace blender::seq {
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bool animation_keyframes_exist(const Scene *scene);
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bool animation_drivers_exist(Scene *scene);
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void free_animdata(Scene *scene, Strip *strip);
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void offset_animdata(const Scene *scene, Strip *strip, float ofs);
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/**
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* Return whether the fcurve targets the given sequence.
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*/
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bool fcurve_matches(const Strip &strip, const FCurve &fcurve);
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struct AnimationBackup {
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/* `curves` and `channelbag` here represent effectively the same data (the
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* fcurves that animate the Scene that the sequence belongs to), just for
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* legacy and layered actions, respectively. Therefore only one or the other
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* should ever have data stored in them, never both. */
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ListBase curves;
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blender::animrig::Channelbag channelbag;
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ListBase drivers;
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};
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/**
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* Move all F-Curves and drivers from `scene` to `backup`.
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*/
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void animation_backup_original(Scene *scene, AnimationBackup *backup);
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/**
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* Move all F-Curves and drivers from `backup` to `scene`.
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*/
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void animation_restore_original(Scene *scene, AnimationBackup *backup);
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/**
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* Duplicate F-Curves and drivers used by `seq` from `backup` to `scene`.
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*/
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void animation_duplicate_backup_to_scene(Scene *scene, Strip *strip, AnimationBackup *backup);
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} // namespace blender::seq
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