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/SwtTextRenderer.java
R31Enhance.rotate( gc, tr, -rotate );
				R31Enhance.rotate( gc, rtr, rotate );
				R31Enhance.translate( gc, rtr, -tTx, -tTy );
				R31Enhance.translate( gc,
						rtr,
						(float) ( -dFW / 2 ),
						(float) ( -dFH / 2 ) );
			}
			else
			{
				R31Enhance.translate( gc, tr, (float) dX, (float) dY );
				R31Enhance.translate( gc, rtr, (float) -dX, (float) -dY );
			}
			
			previousClipping = new Region( );
			gc.getClipping( previousClipping );
			R31Enhance.setTransform( gc, tr );
		}
		else
		{
			r = new Rectangle( (int) dX, (int) dY, (int) dFW, (int) dFH );
		}
		
		boolean bFullyTransparent = true;
		if ( la.getBackground( ) != null )
		{
			bFullyTransparent = ( ( (ColorDefinition) la.getBackground( ) ).getTransparency( ) == 0 );
			R31Enhance.setAlpha( gc, 255 );
		}
		if ( !bFullyTransparent )