Bug 140620 Chart scripting errors are ignored
Write a chart with an invalid script, the execution simply ignores the script. This makes it difficult to debug scripting. The error message is also not precise and needs improvements.
chart/org.eclipse.birt.chart.device.extension/src/org/eclipse/birt/chart/device/swing/ShapedAction.java
{
			Area ar1 = new Area( clipping );
			Area ar2 = new Area( new Arc2D.Double( boEllipse.getLeft( ),
					boEllipse.getTop( ),
					boEllipse.getWidth( ),
					boEllipse.getHeight( ),
					dStart,
					dExtent,
					iArcType ) );
			ar2.intersect( ar1 );
			_sh = ar2;
		}
		else
		{
			_sh = new Arc2D.Double( boEllipse.getLeft( ),
					boEllipse.getTop( ),
					boEllipse.getWidth( ),
					boEllipse.getHeight( ),
					dStart,
					dExtent,
					iArcType );
		}
		_ac = ac;
	}
	/**
	 * This constructor supports polygon shapes Future shapes (and corresponding
	 * constructors) will be added later
	 * 
	 * @param loa
	 * @param ac