flash - Copy to clipboard or download image of widget from web-app -

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i'm using gwt develop web-app , want user able image of chart displayed. specific widget linechart (com.google.gwt.visualization.client.visualizations.corechart.linechart).

the user should able copy contents of chart clipboard (as image) or download image of widget.

i read zeroclipboard uses invisible flash movie copy text clipboard. there similar can used more text?

my current work around provide imagelinechart (com.google.gwt.visualization.client.visualizations.imagelinechart) user can right-click save image. though don't since requires opening new chart in popup (so user can click on it) , imagelinechart looks different original linechart.


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