notify rec_loop on draw_commit

src/canvas.h

@@ -208,6 +208,7 @@ public:
     void stroke_end();
     void stroke_cancel();
     void stroke_commit();
+    void stroke_commit_timelapse();
     void draw_merge(bool draw_checkerboard, std::array<bool, 6> faces = SIXPLETTE(true));
     void clear(const glm::vec4& color = { 1, 1, 1, 0 });
     void clear_all();