Bug 212291 SWT Chart render engine always uses 96 DPI(Display) resolution
chart/org.eclipse.birt.chart.device.swt/src/org/eclipse/birt/chart/device/swt/SwtRendererImpl.java
* rctOuter.getHeight( ) );
			
			
			
			
			
			
			
			
			
			
			
			
			
			double xeInner = ( rctInner.getLeft( ) + ( Math.cos( stopAngle ) * 0.5 + 0.5 )
					* rctInner.getWidth( ) );
			double yeInner = ( rctInner.getTop( ) + ( Math.sin( stopAngle ) * 0.5 + 0.5 )
					* rctInner.getHeight( ) );
			Path pt = new Path( _dv );
			pt.addArc( (float) rctOuter.getLeft( ),
					(float) rctOuter.getTop( ),
					(float) rctOuter.getWidth( ),
					(float) rctOuter.getHeight( ),
					(float) are.getStartAngle( ),
					(float) are.getAngleExtent( ) );
			pt.lineTo( (float) xeInner, (float) yeInner );
			pt.addArc( (float) rctInner.getLeft( ),
					(float) rctInner.getTop( ),
					(float) rctInner.getWidth( ),
					(float) rctInner.getHeight( ),