GeneralPath path = new GeneralPath(GeneralPath.WIND_EVEN_ODD);
path.moveTo(0, 0);
path.lineTo(screenWidth, 0);
path.lineTo(screenWidth, screenHeight);
path.lineTo(0, screenHeight);
path.closePath();
// if multi geometry - loop through each geometry
for (int g=0; g<multiGeometry.getNumGeometries(); g++) {
Geometry geometry = multiGeometry.getGeometryN(g);
if (geometry.getGeometryType().equals("Polygon")){