On 01/06/2015 10:54 PM, Craig Ugoretz wrote:
...
WHAT DO I NEED TO DO SO THE VARIABLE um IS NOT NULL?
Greetings, check the API javadoc:
https://xmlgraphics.apache.org/batik/javadoc/org/apache/batik/swing/svg/AbstractJSVGComponent.html#getUpdateManager%28%29
"Returns the current update manager. The update manager becomes
available after the first rendering completes. You can be notifed when
the rendering completes by registering a GVTTreeRendererListener with
the component and waiting for the gvtRenderingCompleted event. An
UpdateManager is only created for Dynamic documents. By default the
Canvas attempts to autodetect dynamic documents by looking for script
elements and/or event attributes in the document, if it does not find
these it assumes the document is static. Callers of this method will
almost certainly want to call setDocumentState(ALWAYS_DYNAMIC) before
loading the document (with setURI, setDocument, setSVGDocument etc.) so
that an UpdateManager is always created (even for apparently static
documents)."
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