diff options
Diffstat (limited to 'source/blender/editors/gpencil/gpencil_edit.c')
-rw-r--r-- | source/blender/editors/gpencil/gpencil_edit.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/source/blender/editors/gpencil/gpencil_edit.c b/source/blender/editors/gpencil/gpencil_edit.c index 120c806c727..89ab9eda7f0 100644 --- a/source/blender/editors/gpencil/gpencil_edit.c +++ b/source/blender/editors/gpencil/gpencil_edit.c @@ -3791,6 +3791,101 @@ void GPENCIL_OT_stroke_flip(wmOperatorType *ot) /** \} */ /* -------------------------------------------------------------------- */ +/** \name Stroke Start Set Operator + * \{ */ + +static int gpencil_stroke_start_set_exec(bContext *C, wmOperator *op) +{ + Object *ob = CTX_data_active_object(C); + bGPdata *gpd = ob->data; + + /* sanity checks */ + if (ELEM(NULL, ob, gpd)) { + return OPERATOR_CANCELLED; + } + + const bool is_multiedit = (bool)GPENCIL_MULTIEDIT_SESSIONS_ON(gpd); + const bool is_curve_edit = (bool)GPENCIL_CURVE_EDIT_SESSIONS_ON(gpd); + if (is_curve_edit) { + BKE_report(op->reports, RPT_ERROR, "Curve Edit mode not supported"); + return OPERATOR_CANCELLED; + } + + bool changed = false; + /* Read all selected strokes. */ + CTX_DATA_BEGIN (C, bGPDlayer *, gpl, editable_gpencil_layers) { + bGPDframe *init_gpf = (is_multiedit) ? gpl->frames.first : gpl->actframe; + + for (bGPDframe *gpf = init_gpf; gpf; gpf = gpf->next) { + if ((gpf == gpl->actframe) || ((gpf->flag & GP_FRAME_SELECT) && (is_multiedit))) { + if (gpf == NULL) { + continue; + } + LISTBASE_FOREACH (bGPDstroke *, gps, &gpf->strokes) { + if (gps->flag & GP_STROKE_SELECT) { + /* skip strokes that are invalid for current view */ + if (ED_gpencil_stroke_can_use(C, gps) == false) { + continue; + } + /* check if the color is editable */ + if (ED_gpencil_stroke_material_editable(ob, gpl, gps) == false) { + continue; + } + + /* Only cyclic strokes. */ + if ((gps->flag & GP_STROKE_CYCLIC) == 0) { + continue; + } + + /* Find first selected point and set start. */ + bGPDspoint *pt; + for (int i = 0; i < gps->totpoints; i++) { + pt = &gps->points[i]; + if (pt->flag & GP_SPOINT_SELECT) { + BKE_gpencil_stroke_start_set(gps, i); + BKE_gpencil_stroke_geometry_update(gpd, gps); + changed = true; + break; + } + } + } + } + } + /* If not multi-edit, exit loop. */ + if (!is_multiedit) { + break; + } + } + } + CTX_DATA_END; + + if (changed) { + /* notifiers */ + DEG_id_tag_update(&gpd->id, ID_RECALC_TRANSFORM | ID_RECALC_GEOMETRY); + WM_event_add_notifier(C, NC_GPENCIL | ND_DATA | NA_EDITED, NULL); + } + + return OPERATOR_FINISHED; +} + +void GPENCIL_OT_stroke_start_set(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "Set Start Point"; + ot->idname = "GPENCIL_OT_stroke_start_set"; + ot->description = "Set start point for cyclic strokes"; + + /* api callbacks */ + ot->exec = gpencil_stroke_start_set_exec; + ot->poll = gpencil_active_layer_poll; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; +} + +/** \} */ + +/* -------------------------------------------------------------------- */ /** \name Stroke Re-project Operator * \{ */ |