static int add_vertex_new(const bContext *C, Mask *mask, MaskLayer *masklay, const float co[2])
{
MaskSpline *spline;
MaskSplinePoint *point;
MaskSplinePoint *new_point = NULL, *ref_point = NULL;
float view_zoom;
if (!masklay) {
/* if there's no masklay currently operationg on, create new one */
masklay = BKE_mask_layer_new(mask, "");
mask->masklay_act = mask->masklay_tot - 1;
spline = NULL;
point = NULL;
}
else {
finSelectedSplinePoint(masklay, &spline, &point, TRUE);
}
ED_mask_select_toggle_all(mask, SEL_DESELECT);
if (!spline) {
/* no selected splines in active masklay, create new spline */
spline = BKE_mask_spline_add(masklay);
}
masklay->act_spline = spline;
new_point = spline->points;
masklay->act_point = new_point;
{
ScrArea *sa = CTX_wm_area(C);
ARegion *ar = CTX_wm_region(C);
float zoom_x, zoom_y;
/* calc view zoom in a simplistic way */
ED_mask_zoom(sa, ar, &zoom_x, &zoom_y);
view_zoom = zoom_x + zoom_y / 2.0f;
view_zoom = 1.0f / view_zoom;
/* arbitrary but gives good results */
view_zoom /= 500.0f;
}
setup_vertex_point(mask, spline, new_point, co, NULL, 0.5f, ref_point, FALSE, view_zoom);
{
int point_index = (((int)(new_point - spline->points) + 0) % spline->tot_point);
BKE_mask_layer_shape_changed_add(masklay, BKE_mask_layer_shape_spline_to_index(masklay, spline) + point_index, TRUE, TRUE);
}
WM_event_add_notifier(C, NC_MASK | NA_EDITED, mask);
return TRUE;
}
static bool add_vertex_new(const bContext *C, Mask *mask, MaskLayer *masklay, const float co[2])
{
MaskSpline *spline;
MaskSplinePoint *point;
MaskSplinePoint *new_point = NULL, *ref_point = NULL;
if (!masklay) {
/* if there's no masklay currently operationg on, create new one */
masklay = BKE_mask_layer_new(mask, "");
mask->masklay_act = mask->masklay_tot - 1;
spline = NULL;
point = NULL;
}
else {
finSelectedSplinePoint(masklay, &spline, &point, true);
}
ED_mask_select_toggle_all(mask, SEL_DESELECT);
if (!spline) {
/* no selected splines in active masklay, create new spline */
spline = BKE_mask_spline_add(masklay);
}
masklay->act_spline = spline;
new_point = spline->points;
masklay->act_point = new_point;
setup_vertex_point(mask, spline, new_point, co, 0.5f, ref_point, false);
{
int point_index = (((int)(new_point - spline->points) + 0) % spline->tot_point);
BKE_mask_layer_shape_changed_add(masklay, BKE_mask_layer_shape_spline_to_index(masklay, spline) + point_index, true, true);
}
WM_event_add_notifier(C, NC_MASK | NA_EDITED, mask);
return true;
}
static bool add_vertex_extrude(const bContext *C, Mask *mask, MaskLayer *masklay, const float co[2])
{
MaskSpline *spline;
MaskSplinePoint *point;
MaskSplinePoint *new_point = NULL, *ref_point = NULL;
/* check on which side we want to add the point */
int point_index;
float tangent_point[2];
float tangent_co[2];
bool do_cyclic_correct = false;
bool do_prev; /* use prev point rather then next?? */
if (!masklay) {
return false;
}
else {
finSelectedSplinePoint(masklay, &spline, &point, true);
}
ED_mask_select_toggle_all(mask, SEL_DESELECT);
point_index = (point - spline->points);
MASKPOINT_DESEL_ALL(point);
if ((spline->flag & MASK_SPLINE_CYCLIC) ||
(point_index > 0 && point_index != spline->tot_point - 1))
{
BKE_mask_calc_tangent_polyline(spline, point, tangent_point);
sub_v2_v2v2(tangent_co, co, point->bezt.vec[1]);
if (dot_v2v2(tangent_point, tangent_co) < 0.0f) {
do_prev = true;
}
else {
do_prev = false;
}
}
else if (((spline->flag & MASK_SPLINE_CYCLIC) == 0) && (point_index == 0)) {
do_prev = true;
}
else if (((spline->flag & MASK_SPLINE_CYCLIC) == 0) && (point_index == spline->tot_point - 1)) {
do_prev = false;
}
else {
do_prev = false; /* quiet warning */
/* should never get here */
BLI_assert(0);
}
/* use the point before the active one */
if (do_prev) {
point_index--;
if (point_index < 0) {
point_index += spline->tot_point; /* wrap index */
if ((spline->flag & MASK_SPLINE_CYCLIC) == 0) {
do_cyclic_correct = true;
point_index = 0;
}
}
}
// print_v2("", tangent_point);
// printf("%d\n", point_index);
mask_spline_add_point_at_index(spline, point_index);
if (do_cyclic_correct) {
ref_point = &spline->points[point_index + 1];
new_point = &spline->points[point_index];
*ref_point = *new_point;
memset(new_point, 0, sizeof(*new_point));
}
else {
ref_point = &spline->points[point_index];
new_point = &spline->points[point_index + 1];
}
masklay->act_point = new_point;
setup_vertex_point(mask, spline, new_point, co, 0.5f, ref_point, false);
if (masklay->splines_shapes.first) {
point_index = (((int)(new_point - spline->points) + 0) % spline->tot_point);
BKE_mask_layer_shape_changed_add(masklay, BKE_mask_layer_shape_spline_to_index(masklay, spline) + point_index, true, true);
}
WM_event_add_notifier(C, NC_MASK | NA_EDITED, mask);
return true;
}
