106 lines
4.4 KiB
C++
106 lines
4.4 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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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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*
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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, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2004 Blender Foundation.
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* All rights reserved.
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*/
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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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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "BLI_ghash.h"
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struct Editing;
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struct GSet;
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struct GSetIterator;
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struct Sequence;
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/* Utility macro to construct an unique (within a file) variable name for iterator macro.
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* Use indirect macro evaluation to ensure the `__LINE__` is expanded (rather than being
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* treated as a name token),
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*
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* The `__LINE__` is defined at the invocation of the `SEQ_ITERATOR_FOREACH` and is not changed
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* afterwards. This makes it safe to expand it several times in the `SEQ_ITERATOR_FOREACH`.
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*
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* This allows to have nested `foreach` loops.
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*
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* NOTE: Putting nested loop to a wrapper macro is not supported. */
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#define _SEQ_ITERATOR_NAME_JOIN(x, y) x##_##y
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#define _SEQ_ITERATOR_NAME_EVALUATE(x, y) _SEQ_ITERATOR_NAME_JOIN(x, y)
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#define _SEQ_ITERATOR_NAME(prefix) _SEQ_ITERATOR_NAME_EVALUATE(prefix, __LINE__)
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#define SEQ_ITERATOR_FOREACH(var, collection) \
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for (SeqIterator _SEQ_ITERATOR_NAME(iter) = {{{NULL}}}; \
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SEQ_iterator_ensure(collection, &_SEQ_ITERATOR_NAME(iter), &var) && var != NULL; \
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var = SEQ_iterator_yield(&_SEQ_ITERATOR_NAME(iter)))
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typedef struct SeqCollection {
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struct GSet *set;
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} SeqCollection;
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typedef struct SeqIterator {
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GSetIterator gsi;
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SeqCollection *collection;
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bool iterator_initialized;
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} SeqIterator;
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bool SEQ_iterator_ensure(SeqCollection *collection,
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SeqIterator *iterator,
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struct Sequence **r_seq);
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struct Sequence *SEQ_iterator_yield(SeqIterator *iterator);
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/* Callback format for the for_each function below. */
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typedef bool (*SeqForEachFunc)(struct Sequence *seq, void *user_data);
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void SEQ_for_each_callback(struct ListBase *seqbase, SeqForEachFunc callback, void *user_data);
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SeqCollection *SEQ_collection_create(const char *name);
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SeqCollection *SEQ_collection_duplicate(SeqCollection *collection);
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uint SEQ_collection_len(const SeqCollection *collection);
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bool SEQ_collection_has_strip(const struct Sequence *seq, const SeqCollection *collection);
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bool SEQ_collection_append_strip(struct Sequence *seq, SeqCollection *data);
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bool SEQ_collection_remove_strip(struct Sequence *seq, SeqCollection *data);
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void SEQ_collection_free(SeqCollection *collection);
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void SEQ_collection_merge(SeqCollection *collection_dst, SeqCollection *collection_src);
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void SEQ_collection_exclude(SeqCollection *collection, SeqCollection *exclude_elements);
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void SEQ_collection_expand(struct ListBase *seqbase,
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SeqCollection *collection,
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void query_func(struct Sequence *seq_reference,
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struct ListBase *seqbase,
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SeqCollection *collection));
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SeqCollection *SEQ_query_by_reference(struct Sequence *seq_reference,
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struct ListBase *seqbase,
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void seq_query_func(struct Sequence *seq_reference,
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struct ListBase *seqbase,
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SeqCollection *collection));
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SeqCollection *SEQ_query_selected_strips(struct ListBase *seqbase);
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SeqCollection *SEQ_query_unselected_strips(struct ListBase *seqbase);
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SeqCollection *SEQ_query_all_strips(struct ListBase *seqbase);
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SeqCollection *SEQ_query_all_strips_recursive(struct ListBase *seqbase);
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void SEQ_query_strip_effect_chain(struct Sequence *seq_reference,
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struct ListBase *seqbase,
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SeqCollection *collection);
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#ifdef __cplusplus
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}
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#endif
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