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
SheetData[] rowData = iterator.next( );
			for ( int j = 0; j < rowData.length; j++ )
			{
				SheetData data = rowData[j];
				if ( data == null || data.isBlank( ) )
				{
					continue;
				}
				HyperlinkDef hyperLink = data.getHyperlinkDef( );
				if ( hyperLink != null )
				{
					if ( hyperLink.getType( ) == IHyperlinkAction.ACTION_BOOKMARK )
					{
						setLinkedBookmark( data, hyperLink );
					}
				}
			}
			calculateRowHeight( rowData, isAuto );
		}
	}
	public int getStartColumn( SheetData data )
	{
		
		int start = axis.getColumnIndexByCoordinate( data.getStartX( ) ) + 1;
		return Math.min( start, maxCol );
	}
	public int getEndColumn( SheetData data )
	{
		
		int end = axis.getColumnIndexByCoordinate( data.getEndX( ) ) + 1;