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Animation: Gaussian Smooth operator for Graph Editor #105635

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Christoph Lendenfeld merged 15 commits from ChrisLend/blender:graph_gauss_smooth into main 2023-03-24 12:11:33 +01:00
Conversation 8 Commits 15 Files Changed 6 +47 -1
1 changed files with 47 additions and 1 deletions
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48
source/blender/editors/space_graph/graph_slider_ops.c
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@ -1067,12 +1067,23 @@ void GRAPH_OT_ease(wmOperatorType *ot)
typedef struct tGaussOperatorData {
double *kernel;
ListBase segments /* tFCurveSegmentLink */;
} tGaussOperatorData;
typedef struct tFCurveSegmentLink {
tFCurveSegmentLink *prev, *next;
FCurve *fcu;
FCurveSegment *segment;
Sybren A. Stüvel commented 2023-03-21 17:19:35 +01:00
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Document what this struct contains / what it's for.

Document what this struct contains / what it's for.
float *samples;
} tFCurveSegmentLink;
static void gauss_smooth_cleanup_custom_data(void *operator_data)
{
tGaussOperatorData *gauss_data = (tGaussOperatorData *)operator_data;
MEM_freeN(gauss_data->kernel);
LISTBASE_FOREACH (tFCurveSegmentLink *, segment, &gauss_data->segments) {
MEM_freeN(segment->samples);
}
MEM_freeN(gauss_data);
}
@ -1142,7 +1153,16 @@ static void gauss_smooth_modal_update(bContext *C, wmOperator *op)
const float factor = slider_factor_get_and_remember(op);
tGaussOperatorData *operator_data = (tGaussOperatorData *)gso->operator_data;
const int filter_width = RNA_int_get(op->ptr, "filter_width");
gauss_smooth_graph_keys(&gso->ac, factor, operator_data->kernel, filter_width);
LISTBASE_FOREACH (tFCurveSegmentLink *, segment, &operator_data->segments) {
smooth_fcurve_segment(segment->fcu,
segment->segment,
segment->samples,
factor,
filter_width,
operator_data->kernel);
}
WM_event_add_notifier(C, NC_ANIMATION | ND_KEYFRAME | NA_EDITED, NULL);
}
@ -1167,6 +1187,32 @@ static int gauss_smooth_invoke(bContext *C, wmOperator *op, const wmEvent *event
tGaussOperatorData *operator_data = MEM_callocN(sizeof(tGaussOperatorData),
"tGaussOperatorData");
operator_data->kernel = kernel;
ListBase anim_data = {NULL, NULL};
ANIM_animdata_filter(
&gso->ac, &anim_data, OPERATOR_DATA_FILTER, &gso->ac.data, gso->ac.datatype);
ListBase segments = {NULL, NULL};
LISTBASE_FOREACH (bAnimListElem *, ale, &anim_data) {
FCurve *fcu = (FCurve *)ale->key_data;
ListBase segments = find_fcurve_segments(fcu);
LISTBASE_FOREACH (FCurveSegment *, segment, &segments) {
tFCurveSegmentLink *segment_link = MEM_callocN(sizeof(tFCurveSegmentLink),
"FCurve Segment Link");
segment_link->fcu = fcu;
segment_link->segment = segment;
BezTriple left_bezt = fcu->bezt[segment->start_index];
BezTriple right_bezt = fcu->bezt[segment->start_index + segment->length - 1];
const int sample_count = (int)(right_bezt.vec[1][0] - left_bezt.vec[1][0]) +
(filter_width * 2 + 1);
float *samples = MEM_callocN(sizeof(float) * sample_count, "Smooth FCurve Op Samples");
sample_fcurve_segment(fcu, left_bezt.vec[1][0] - filter_width, samples, sample_count);
segment_link->samples = samples;
BLI_addtail(&segments, segment_link);
}
}
operator_data->segments = segments;
gso->operator_data = operator_data;
gso->cleanup_operator_data = gauss_smooth_cleanup_custom_data;