f6a9f082e9
This mainly adds DNA level IDProp storage for system properties, their handling in data management code, and the forward-versioning code copying back content from system properties into 'all-in-one' single IDProperties storage, for data types that will support both in Blender 5.0. There is no user-facing changes expected here. Part of #123232. Pull Request: https://projects.blender.org/blender/blender/pulls/139257
141 lines
5.2 KiB
C++
141 lines
5.2 KiB
C++
/* SPDX-FileCopyrightText: 2004 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 "BLI_function_ref.hh"
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#include "BLI_vector_set.hh"
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struct ListBase;
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struct Scene;
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struct Strip;
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namespace blender::seq {
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/**
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* Callback format for the for_each function below.
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*/
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using ForEachFunc = bool (*)(Strip *strip, void *user_data);
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/**
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* Utility function to recursively iterate through all sequence strips in a `seqbase` list.
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* Uses callback to do operations on each element.
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* The callback can stop the iteration if needed.
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*
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* \param seqbase: #ListBase of sequences to be iterated over.
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* \param callback: query function callback, returns false if iteration should stop.
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* \param user_data: pointer to user data that can be used in the callback function.
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*/
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void for_each_callback(ListBase *seqbase, ForEachFunc callback, void *user_data);
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/** Same as above, but using a more modern FunctionRef as callback. */
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void for_each_callback(ListBase *seqbase, blender::FunctionRef<bool(Strip *)> callback);
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/**
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* Expand set by running `strip_query_func()` for each strip, which will be used as reference.
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* Results of these queries will be merged into provided collection.
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*
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* \param seqbase: ListBase in which strips are queried
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* \param strips: set of strips to be expanded
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* \param strip_query_func: query function callback
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*/
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void iterator_set_expand(const Scene *scene,
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ListBase *seqbase,
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blender::VectorSet<Strip *> &strips,
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void strip_query_func(const Scene *scene,
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Strip *strip_reference,
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ListBase *seqbase,
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blender::VectorSet<Strip *> &strips));
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/**
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* Query strips from seqbase. strip_reference is used by query function as filter condition.
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*
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* \param strip_reference: reference strip for query function
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* \param seqbase: ListBase in which strips are queried
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* \param strip_query_func: query function callback
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* \return set of strips
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*/
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blender::VectorSet<Strip *> query_by_reference(
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Strip *strip_reference,
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const Scene *scene,
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ListBase *seqbase,
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void strip_query_func(const Scene *scene,
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Strip *strip_reference,
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ListBase *seqbase,
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blender::VectorSet<Strip *> &strips));
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/**
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* Query all selected strips in seqbase.
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*
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* \param seqbase: ListBase in which strips are queried
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* \return set of strips
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*/
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blender::VectorSet<Strip *> query_selected_strips(ListBase *seqbase);
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/**
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* Query all unselected strips in seqbase.
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*
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* \param seqbase: ListBase in which strips are queried
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* \return set of strips
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*/
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blender::VectorSet<Strip *> query_unselected_strips(ListBase *seqbase);
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/**
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* Query all strips in seqbase. This does not include strips nested in meta strips.
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*
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* \param seqbase: ListBase in which strips are queried
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* \return set of strips
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*/
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blender::VectorSet<Strip *> query_all_strips(ListBase *seqbase);
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/**
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* Query all strips in seqbase and nested meta strips.
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*
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* \param seqbase: ListBase in which strips are queried
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* \return set of strips
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*/
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blender::VectorSet<Strip *> query_all_strips_recursive(const ListBase *seqbase);
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/**
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* Query all effect strips that are directly or indirectly connected to strip_reference.
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* This includes all effects of strip_reference, strips used by another inputs and their effects,
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* so that whole chain is fully independent of other strips.
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*
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* \param strip_reference: reference strip
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* \param seqbase: ListBase in which strips are queried
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* \param strips: set of strips to be filled
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*/
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void query_strip_effect_chain(const Scene *scene,
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Strip *reference_strip,
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ListBase *seqbase,
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blender::VectorSet<Strip *> &r_strips);
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/**
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* Query all connected strips, as well as all effect strips directly or indirectly connected to
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* those connected strips. These steps repeat until there are no new strips to process.
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*
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* \param strip_reference: reference strip
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* \param seqbase: ListBase in which strips are queried
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* \param strips: set of strips to be filled
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*/
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void query_strip_connected_and_effect_chain(const Scene *scene,
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Strip *reference_strip,
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ListBase *seqbase,
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blender::VectorSet<Strip *> &r_strips);
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/**
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* Query strips that are rendered at \a timeline_frame when \a displayed channel is viewed
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*
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* \param seqbase: ListBase in which strips are queried
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* \param timeline_frame: viewed frame
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* \param displayed_channel: viewed channel. when set to 0, no channel filter is applied
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* \return set of strips
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*/
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blender::VectorSet<Strip *> query_rendered_strips(const Scene *scene,
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ListBase *channels,
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ListBase *seqbase,
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int timeline_frame,
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int displayed_channel);
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} // namespace blender::seq
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