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
/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.chart.event.IPrimitiveRenderer#fillPolygon(org.eclipse.birt.chart.event.PolygonRenderEvent)
	 */
	public void fillPolygon( PolygonRenderEvent pre ) throws ChartException
	{
		iv.modifyEvent( pre );
		
		
		
		
		
		
		final Fill flBackground = validateMultipleFill( pre.getBackground( ) );
		if ( isFullTransparent( flBackground ) )
		{
			return;
		}
		final Bounds bo = normalizeBounds( pre.getBounds( ) );
		final Rectangle r = new Rectangle( (int) ( ( bo.getLeft( ) + dTranslateX ) * dScale ),
				(int) ( ( bo.getTop( ) + dTranslateY ) * dScale ),
				(int) Math.ceil( bo.getWidth( ) * dScale ),
				(int) Math.ceil( bo.getHeight( ) * dScale ) );
		
		float[] points = convertDoubleToFloat( getDoubleCoordinatesAsInts( pre.getPoints( ),
				TRUNCATE,
				dTranslateX,
				dTranslateY,
				dScale ) );