2c2
<  * @(#)CompositeFigure.java 5.1
---
>  * @(#)CompositeFigure.java 5.2
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<     protected int _nLowestZ = 0;
<     protected int _nHighestZ = 0;
< 
---
>     protected int _nLowestZ;
>     protected int _nHighestZ;
49a49,50
>         _nLowestZ = 0;
>         _nHighestZ = 0;
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<      * Adds a figure to the list of figures. Initializes
---
>      * Adds a figure to the list of figures. Initializes the
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<         while (k.hasMoreElements())
---
>         while (k.hasMoreElements()) {
97a99
>     }
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<         if (_theQuadTree != null) {
<           _theQuadTree.clear();
<         }
---
>         
>         _clearQuadTree();
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<      * @see orphan
---
>      * @see #orphan
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< 
< 
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<      * @see moveBy
---
>      * @see #moveBy
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< 
<     /**
<      * Invalidates the figure. This method informs the listeners
<      * that the figure's current display box is invalid and should be
<      * refreshed.
<      */
<     public void invalidate() {
<       super.invalidate();
<     }
< 
< 
503d490
< 
513,514d499
< 
< 
516d500
< 
523d506
< 
525d507
< 
532,533c514,518
< 
< 
---
>     private void _clearQuadTree() {
>         if (_theQuadTree != null) {
>           _theQuadTree.clear();
>         }
>     }