DO NOT REPLY [Bug 47436] Changing visibility for CompositeGraphicsNode does not work

[bu...@apache.org]

https://issues.apache.org/bugzilla/show_bug.cgi?id=47436





--- Comment #1 from Thomas Deweese <de...@apache.org>  2009-06-29 02:56:09 PST ---
(In reply to comment #0)
> When setting node.setVisible(false), where node is an instance of
> CompositeGraphicsNode, note is still painted.

   In the context of the SVG specification this statement is 
incorrect. Since a CompositeGraphicsNode (a 'g' element) has
no content of it's own.  What I believe you mean is that when
setVisible(false) is called on a composite graphics node it's
children are still painted - which is true and correct.

> Proposed solution:
> in file org/apache/batik/gvt/AbstractGraphicsNode.java add the following at the
> beginning of method "public void paint(Graphics2D g2d)":
> 
> if (!isVisible())
>     return;

   This would break the following SVG content:

     <g visibility="hidden">
        <rect x="0" y="0" width="200" height="50" visibility="visible"
              fill="red"/>
     </g>

    I can understand that if you are using the GVT tree independent of
SVG that this might be confusing.

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