Bug 132508 Mouse Click->URL Redirect does not work on Legend in PDF
Descrition: Add an interactivity action on the chart legend (mouse click, URL redirect), when preview in pdf. It does not take effect. Steps to reproduce: 1.Create a chart, bind dataset. 2.In the "Format Chart" tab of chart builder, add an interactivity to the legend. Type: Mouse Click, Action: URL Redirect. 3.Preview in PDF, it could not take effect.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFImageLM.java
try
		{
			instrinsic = getIntrinsicDimension( content );
		}
		catch ( Exception e )
		{
			logger.log( Level.SEVERE, e.getLocalizedMessage( ) );
		}
		boolean scale = false;
		int specifiedWidth = getDimensionValue( content.getWidth( ) );
		int specifiedHeight = getDimensionValue( content.getHeight( ) );
		if ( instrinsic == null )
		{
			dim.setDimension( specifiedWidth == 0
					? DEFAULT_WIDHT
					: specifiedWidth, specifiedHeight == 0
					? DEFAULT_HEIGHT
					: specifiedHeight );
			return dim;
		}
		if ( scale )
		{
			double ratio = instrinsic.getRatio( );
			if ( specifiedWidth > 0 )
			{
				if ( specifiedHeight > 0 )
				{
					dim.setDimension( specifiedWidth, specifiedHeight );
				}
				else