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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 +42 -35
1 changed files with 42 additions and 35 deletions
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Showing only changes of commit 129f2e3874 - Show all commits

77
source/blender/editors/space_graph/graph_slider_ops.c
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@ -1077,7 +1077,46 @@ typedef struct tFCurveSegmentLink {
float *samples;
} tFCurveSegmentLink;
static void gauss_smooth_cleanup_custom_data(void *operator_data)
static void gauss_smooth_build_custom_data(tGraphSliderOp *gso,
const int filter_width,
const float sigma)
{
tGaussOperatorData *operator_data = MEM_callocN(sizeof(tGaussOperatorData),
"tGaussOperatorData");
const int kernel_size = filter_width + 1;
double *kernel = MEM_callocN(sizeof(double) * kernel_size, "Gauss Kernel");
get_1d_gauss_kernel(sigma, kernel_size, kernel);
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 segment_links = {NULL, NULL};
LISTBASE_FOREACH (bAnimListElem *, ale, &anim_data) {
FCurve *fcu = (FCurve *)ale->key_data;
ListBase fcu_segments = find_fcurve_segments(fcu);
LISTBASE_FOREACH (FCurveSegment *, segment, &fcu_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(&segment_links, segment_link);
}
}
ANIM_animdata_freelist(&anim_data);
operator_data->segment_links = segment_links;
gso->operator_data = operator_data;
}
static void gauss_smooth_free_custom_data(void *operator_data)
{
tGaussOperatorData *gauss_data = (tGaussOperatorData *)operator_data;
LISTBASE_FOREACH (tFCurveSegmentLink *, segment_link, &gauss_data->segment_links) {
@ -1180,44 +1219,12 @@ static int gauss_smooth_invoke(bContext *C, wmOperator *op, const wmEvent *event
const float sigma = RNA_float_get(op->ptr, "sigma");
const int filter_width = RNA_int_get(op->ptr, "filter_width");
const int kernel_size = filter_width + 1;
double *kernel = MEM_callocN(sizeof(double) * kernel_size, "Gauss Kernel");
get_1d_gauss_kernel(sigma, kernel_size, kernel);
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 segment_links = {NULL, NULL};
LISTBASE_FOREACH (bAnimListElem *, ale, &anim_data) {
FCurve *fcu = (FCurve *)ale->key_data;
ListBase fcu_segments = find_fcurve_segments(fcu);
LISTBASE_FOREACH (FCurveSegment *, segment, &fcu_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(&segment_links, segment_link);
}
}
operator_data->segment_links = segment_links;
gso->operator_data = operator_data;
gso->cleanup_operator_data = gauss_smooth_cleanup_custom_data;
gauss_smooth_build_custom_data(gso, filter_width, sigma);
gso->cleanup_operator_data = gauss_smooth_free_custom_data;
ED_slider_allow_overshoot_set(gso->slider, false);
ease_draw_status_header(C, gso);
ANIM_animdata_freelist(&anim_data);
return invoke_result;
}