Bug 195951 Focus for PNG does not work [13]
Description: Focus for PNG does not work. Build number: 2.2.0.v20070710-1223 Steps to reproduce: 1. New a Chart, set Output Format as PNG, in "Format Chart" tab, add interactivity for Value Series, Event: Focus, Action: Hyperlink or invoke script. 2. Preview, focus in Value Series. Expected result: Interactivity works. Actual result: It does not work. Error log: N/A
chart/org.eclipse.birt.chart.device.extension/src/org/eclipse/birt/chart/device/image/JavaxImageIOWriter.java
_img = (Image) oValue;
		}
		else if ( sProperty.equals( IDeviceRenderer.FILE_IDENTIFIER ) )
		{
			_oOutputIdentifier = oValue;
		}
		else if ( sProperty.equals( IDeviceRenderer.CACHE_ON_DISK ) )
		{
			ImageIO.setUseCache( ( (Boolean) oValue ).booleanValue( ) );
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see javax.imageio.event.IIOWriteWarningListener#warningOccurred(javax.imageio.ImageWriter,
	 *      int, java.lang.String)
	 */
	public void warningOccurred( ImageWriter source, int imageIndex,
			String warning )
	{
		logger.log( ILogger.WARNING, warning );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.device.IDeviceRenderer#presentException(java.lang.Exception)
	 */
	public void presentException( Exception cexp )
	{
		if ( _bo == null )