3 files changed, 15 insertions, 6 deletions
diff --git a/src/graphui/classes/com/jogamp/graph/ui/Container.java b/src/graphui/classes/com/jogamp/graph/ui/Container.java
index bc1e6d94f..8a5d34ea8 100644
--- a/src/graphui/classes/com/jogamp/graph/ui/Container.java
+++ b/src/graphui/classes/com/jogamp/graph/ui/Container.java
@@ -43,8 +43,13 @@ import com.jogamp.graph.ui.Shape.Visitor1;
  */
 public interface Container {
 
+    /** Returns number of {@link Shape}s, see {@link #getShapes()}. */
+    int getShapeCount();
+
+    /** Returns added {@link Shape}s, see {@link #addShape(Shape)}. */
     List<Shape> getShapes();
 
+    /** Adds a {@link Shape}. */
     void addShape(Shape s);
 
     /**
diff --git a/src/graphui/classes/com/jogamp/graph/ui/Group.java b/src/graphui/classes/com/jogamp/graph/ui/Group.java
index 8a50d19f3..3814eaa82 100644
--- a/src/graphui/classes/com/jogamp/graph/ui/Group.java
+++ b/src/graphui/classes/com/jogamp/graph/ui/Group.java
@@ -108,9 +108,11 @@ public class Group extends Shape implements Container {
     public Group setLayout(final Layout l) { layouter = l; return this; }
 
     @Override
-    public List<Shape> getShapes() {
-        return shapes;
-    }
+    public int getShapeCount() { return shapes.size(); }
+
+    @Override
+    public List<Shape> getShapes() { return shapes; }
+
     @Override
     public void addShape(final Shape s) {
         shapes.add(s);
diff --git a/src/graphui/classes/com/jogamp/graph/ui/Scene.java b/src/graphui/classes/com/jogamp/graph/ui/Scene.java
index 53ee7537e..370c51dc7 100644
--- a/src/graphui/classes/com/jogamp/graph/ui/Scene.java
+++ b/src/graphui/classes/com/jogamp/graph/ui/Scene.java
@@ -244,9 +244,11 @@ public final class Scene implements Container, GLEventListener {
     }
 
     @Override
-    public List<Shape> getShapes() {
-        return shapes;
-    }
+    public int getShapeCount() { return shapes.size(); }
+
+    @Override
+    public List<Shape> getShapes() { return shapes; }
+
     @Override
     public void addShape(final Shape s) {
         if( !s.hasBorder() && !FloatUtil.isZero(dbgBorderThickness) ) {