Bug 123368 [SPM-Linux WS]Height of item area can't revert
Details: Height of item area can't revert Setp: 1.Insert a label and input some words. 2.Modify the label size to 10cm. 3.Undo that or set it to 10point. Actual result: 10cm is bigger than 10point, when I undo it, words is revert to 10point, but the area of the label can't revert.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/figures/LabelFigure.java
return ft.getFontData( )[0].height;
		}
		return 0;
	}
	/**
	 * Since Eclipse TextFlow figure ignore the trailing /r/n for calculating
	 * the client size, we must append the extra size ourselves.
	 * 
	 * @return dimension for the client area used by the editor.
	 */
	public Rectangle getEditorArea( )
	{
		Rectangle rect = getClientArea( ).getCopy( );
		String s = getText( );
		int count = 0;
		if ( s != null && s.length( ) > 1 )
		{
			for ( int i = s.length( ) - 2; i >= 0; i -= 2 )
			{
				if ( "\r\n".equals( s.substring( i, i + 2 ) ) ) 
				{
					count++;
				}
				else
				{
					break;
				}
			}
		}
		int hh = getMinimumFontSize( getFont( ) );