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
break;
			case IImageContent.IMAGE_NAME :
			case IImageContent.IMAGE_EXPRESSION :
				image = Image.getInstance( content.getData( ) );
				break;
			case IImageContent.IMAGE_URL :
				image = Image.getInstance( new URL( content.getURI( ) ) );
				break;
			default :
				assert ( false );
		}
		if ( image != null )
		{
			Object design = content.getGenerateBy( );
			int resolution = 96;
			if ( design instanceof ExtendedItemDesign )
			{
				resolution = 192;
			}
			return new Dimension( (int) ( image.plainWidth( ) * 1000
					/ resolution * 72 ), (int) ( image.plainHeight( ) * 1000
					/ resolution * 72 ) );
		}
		return null;
	}
	protected Dimension getSpecifiedDimension( IImageContent content )
	{
		Dimension dim = new Dimension( DEFAULT_WIDHT, DEFAULT_HEIGHT );
		Dimension instrinsic = null;
		try