Bug 315050 [Automation][Regression]Image size is different from golden file when preview as xls
engine/org.eclipse.birt.report.engine.emitter.prototype.excel/src/org/eclipse/birt/report/engine/emitter/excel/layout/ExcelLayoutEngine.java
ContainerSizeInfo containerSize = currentContainer.getSizeInfo( );
		StyleEntry entry = engine.getStyle( style, containerSize,
											getParentStyle( currentContainer ) );
		setlinkStyle( entry, link );
		Data data = null;
		
		IDataContent dataContent = (IDataContent)txt;
		Object value = dataContent.getValue( );
		Date date = ExcelUtil.getDate( value );
		
		if ( date != null
				&& ( ( date instanceof Time ) || date.getYear( ) >= 0 ) )
		{
			data = createDateData( value, entry, style.getDateTimeFormat( ),
					dateTimeLocale );
			data.setHeight( height );
			data.setBookmark( bookmark );
			data.setHyperlinkDef( link );
			data.setStartX( containerSize.getStartCoordinate( ) );
			data.setEndX( containerSize.getEndCoordinate( ) );
			addData( data );
			return data;
		}
		else
		{
			entry.setProperty( StyleConstant.DATA_TYPE_PROP, SheetData.STRING );
			return addData( dataContent.getText( ), style, link, bookmark,
					dateTimeLocale, height );
		}
	}