2 files changed, 18 insertions, 1 deletions
diff --git a/source/blender/blenkernel/BKE_image.h b/source/blender/blenkernel/BKE_image.h
index a6a709c204b..cbf692afd70 100644
--- a/source/blender/blenkernel/BKE_image.h
+++ b/source/blender/blenkernel/BKE_image.h
@@ -69,6 +69,7 @@ void    BKE_imbuf_stamp_info(struct RenderResult *rr, struct ImBuf *ibuf);
 void    BKE_stamp_info_from_imbuf(struct RenderResult *rr, struct ImBuf *ibuf);
 void    BKE_stamp_info_callback(void *data, struct StampData *stamp_data, StampCallback callback, bool noskip);
 void    BKE_render_result_stamp_data(struct RenderResult *rr, const char *key, const char *value);
+struct StampData *BKE_stamp_data_copy(const struct StampData *stamp_data);
 void    BKE_stamp_data_free(struct StampData *stamp_data);
 void    BKE_image_stamp_buf(
         struct Scene *scene, struct Object *camera, const struct StampData *stamp_data_template,
diff --git a/source/blender/blenkernel/intern/image.c b/source/blender/blenkernel/intern/image.c
index 5ab843e60c3..2a04c81230e 100644
--- a/source/blender/blenkernel/intern/image.c
+++ b/source/blender/blenkernel/intern/image.c
@@ -2181,7 +2181,23 @@ void BKE_render_result_stamp_data(RenderResult *rr, const char *key, const char
 	BLI_addtail(&stamp_data->custom_fields, field);
 }
 
-void BKE_stamp_data_free(struct StampData *stamp_data)
+StampData *BKE_stamp_data_copy(const StampData *stamp_data)
+{
+	if (stamp_data == NULL) {
+		return NULL;
+	}
+
+	StampData *stamp_datan = MEM_dupallocN(stamp_data);
+	BLI_duplicatelist(&stamp_datan->custom_fields, &stamp_data->custom_fields);
+
+	LISTBASE_FOREACH(StampDataCustomField *, custom_fieldn, &stamp_datan->custom_fields) {
+		custom_fieldn->value = MEM_dupallocN(custom_fieldn->value);
+	}
+
+	return stamp_datan;
+}
+
+void BKE_stamp_data_free(StampData *stamp_data)
 {
 	if (stamp_data == NULL) {
 		return;