Bug 212291 SWT Chart render engine always uses 96 DPI(Display) resolution
chart/org.eclipse.birt.chart.device.extension/src/org/eclipse/birt/chart/device/swing/SwingRendererImpl.java
}
		final Location[] loa = pre.getPoints( );
		final int[][] i2a = getCoordinatesAsInts( loa );
		if ( flBackground instanceof ColorDefinition )
		{
			final ColorDefinition cd = (ColorDefinition) flBackground;
			_g2d.setColor( (Color) _ids.getColor( cd ) );
			_g2d.fill( new Polygon( i2a[0], i2a[1], loa.length ) );			
		}
		else if ( flBackground instanceof Gradient )
		{
			final Gradient g = (Gradient) flBackground;
			final ColorDefinition cdStart = g.getStartColor( );
			final ColorDefinition cdEnd = g.getEndColor( );
			
			final double dAngleInDegrees = g.getDirection( );
			final double dAngleInRadians = ( ( -dAngleInDegrees * Math.PI ) / 180.0 );
			
			final double dMinX = BaseRenderer.getX( loa, IConstants.MIN );
			final double dMaxX = BaseRenderer.getX( loa, IConstants.MAX );
			final double dMinY = BaseRenderer.getY( loa, IConstants.MIN );
			final double dMaxY = BaseRenderer.getY( loa, IConstants.MAX );
			if ( dAngleInDegrees < -90 || dAngleInDegrees > 90 )
			{
				throw new ChartException( ChartDeviceExtensionPlugin.ID,
						ChartException.RENDERING,
						"SwingRendererImpl.exception.gradient.angle",
						new Object[]{
							new Double( dAngleInDegrees )
						},