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
{
		this.context = context;
		this.emitter = emitter;
		this.locale = context.getLocale( );
		EngineResourceHandle resourceHandle = new EngineResourceHandle( locale );
		messageFlashObjectNotSupported = resourceHandle
				.getMessage( MessageConstants.FLASH_OBJECT_NOT_SUPPORTED_PROMPT );
	}
	
	public void initalize( int contentWidth, IStyle style, int dpi )
	{
		axis = new AxisProcessor( );		
		axis.addCoordinate( contentWidth );
		setCacheSize();
		
		ContainerSizeInfo rule = new ContainerSizeInfo( 0, contentWidth );
		cache = createDataCache( maxCol, maxRow );
		engine = new StyleEngine( this );
		containers.push( createContainer( rule, style, null ) );
		this.reportDpi = dpi;
	}
	protected DataCache createDataCache( int maxColumn, int maxRow )
	{
		return new DataCache( maxColumn, maxRow );
	}
	
	private void setCacheSize()
	{
		if ( context.getOfficeVersion( ).equals( "office2007" ) )
		{