99 lines
2.4 KiB
C++
99 lines
2.4 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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/** \file
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* \ingroup sequencer
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*/
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#include <cstring>
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#include "MEM_guardedalloc.h"
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#include "DNA_listBase.h"
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#include "DNA_sequence_types.h"
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#include "BLI_blenlib.h"
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#include "SEQ_channels.hh"
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ListBase *SEQ_channels_displayed_get(Editing *ed)
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{
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return ed->displayed_channels;
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}
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void SEQ_channels_displayed_set(Editing *ed, ListBase *channels)
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{
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ed->displayed_channels = channels;
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}
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void SEQ_channels_ensure(ListBase *channels)
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{
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/* Allocate channels. Channel 0 is never used, but allocated to prevent off by 1 issues. */
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for (int i = 0; i < MAXSEQ + 1; i++) {
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SeqTimelineChannel *channel = static_cast<SeqTimelineChannel *>(
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MEM_callocN(sizeof(SeqTimelineChannel), "seq timeline channel"));
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SNPRINTF(channel->name, "Channel %d", i);
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channel->index = i;
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BLI_addtail(channels, channel);
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}
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}
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void SEQ_channels_duplicate(ListBase *channels_dst, ListBase *channels_src)
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{
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LISTBASE_FOREACH (SeqTimelineChannel *, channel, channels_src) {
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SeqTimelineChannel *channel_duplicate = static_cast<SeqTimelineChannel *>(
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MEM_dupallocN(channel));
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BLI_addtail(channels_dst, channel_duplicate);
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}
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}
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void SEQ_channels_free(ListBase *channels)
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{
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LISTBASE_FOREACH_MUTABLE (SeqTimelineChannel *, channel, channels) {
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MEM_freeN(channel);
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}
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}
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SeqTimelineChannel *SEQ_channel_get_by_index(const ListBase *channels, const int channel_index)
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{
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return static_cast<SeqTimelineChannel *>(BLI_findlink(channels, channel_index));
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}
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char *SEQ_channel_name_get(ListBase *channels, const int channel_index)
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{
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SeqTimelineChannel *channel = SEQ_channel_get_by_index(channels, channel_index);
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return channel->name;
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}
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int SEQ_channel_index_get(const SeqTimelineChannel *channel)
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{
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return channel->index;
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}
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bool SEQ_channel_is_locked(const SeqTimelineChannel *channel)
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{
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return (channel->flag & SEQ_CHANNEL_LOCK) != 0;
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}
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bool SEQ_channel_is_muted(const SeqTimelineChannel *channel)
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{
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return (channel->flag & SEQ_CHANNEL_MUTE) != 0;
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}
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ListBase *SEQ_get_channels_by_seq(ListBase *seqbase, ListBase *channels, const Sequence *seq)
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{
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ListBase *lb = nullptr;
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LISTBASE_FOREACH (Sequence *, iseq, seqbase) {
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if (seq == iseq) {
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return channels;
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}
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if ((lb = SEQ_get_channels_by_seq(&iseq->seqbase, &iseq->channels, seq))) {
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return lb;
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}
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}
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return nullptr;
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}
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