Bug 164601 It takes ages to display a report with label of very large font size.
Description: It takes ages to display a report with label of very large font size. Steps to reproduce: 1. Insert two labels 2. Set one font weight to 100 and the other to 900 3. Preview in pdf/html Expected result: Show different weight. Actual result: In html, you can see font-weight effect In pdf, the report never displayed. PS.If I change the font size to a small number, say 20, the report in pdf is generated immediated.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFImageLM.java
}
			else
			{
				if ( specifiedHeight > 0 )
				{
					dim.setDimension( instrinsic.getWidth( ), specifiedHeight );
				}
				else
				{
					dim.setDimension( instrinsic.getWidth( ), instrinsic
							.getHeight( ) );
				}
			}
		}
		return dim;
	}
	public boolean layoutChildren( )
	{
		if ( root == null )
		{
			return false;
		}
		assert ( parent instanceof ILineStackingLayoutManager );
		ILineStackingLayoutManager lineParent = (ILineStackingLayoutManager) parent;
		
		if ( root.getAllocatedHeight( ) > lineParent.getCurrentMaxContentHeight() )
		{
			if ( !parent.isPageEmpty( ) )
			{
				return true;