public NewPolygon2D clip(Rectangle2D boundingBox) {
Area thisArea = new Area(path);
thisArea.intersect(new Area(boundingBox));
PathIterator iterator = thisArea.getPathIterator(null);
double[] v = new double[2];
while (!iterator.isDone()) {
int type = iterator.currentSegment(v);
System.err.println(":" + v[0] + v[1] + "\n");
iterator.next();
}
System.exit(-1);
GeneralPath path = new GeneralPath(thisArea);
path.closePath();
NewPolygon2D newPolygon = new NewPolygon2D(path);
newPolygon.setFillValue(this.getFillValue());
return newPolygon;
}
public Object parseXMLObject(XMLObject xo) throws XMLParseException {
KMLCoordinates coordinates = (KMLCoordinates) xo.getChild(KMLCoordinates.class);
boolean closed = xo.getAttribute(CLOSED, false);
if ((!closed && coordinates.length < 3) || (closed && coordinates.length < 4))
throw new XMLParseException(
"Insufficient points in polygon '" + xo.getId() + "' to define a polygon in 2D");
NewPolygon2D polygon = new NewPolygon2D();
polygon.moveTo(new Point2D.Double(coordinates.x[0], coordinates.y[0]));
int length = coordinates.length;
if (closed) length--;
for (int i = 1; i < length; i++)
polygon.lineTo(new Point2D.Double(coordinates.x[i], coordinates.y[i]));
polygon.lineTo(new Point2D.Double(coordinates.x[0], coordinates.y[0]));
// polygon.closePath();
polygon.setFillValue(xo.getAttribute(FILL_VALUE, 0.0));
return polygon;
}
public static void main(String[] args) {
NewPolygon2D polygon = new NewPolygon2D();
polygon.moveTo(new Point2D.Double(-10, -10));
polygon.lineTo(new Point2D.Double(-10, 50));
polygon.lineTo(new Point2D.Double(10, 50));
polygon.lineTo(new Point2D.Double(10, -10));
polygon.lineTo(new Point2D.Double(-10, -10));
// polygon.closePath();
System.out.println(polygon);
System.out.println("");
// System.exit(-1);
Point2D pt = new Point2D.Double(0, 0);
System.out.println("polygon contains " + pt + ": " + polygon.contains(pt));
pt = new Point2D.Double(100, 100);
System.out.println("polygon contains " + pt + ": " + polygon.contains(pt));
System.out.println("");
Rectangle2D boundingBox =
new Rectangle2D.Double(0, 0, 100, 100); // defines lower-left corner and width/height
System.out.println(boundingBox);
NewPolygon2D myClip = polygon.clip(boundingBox);
System.out.println(myClip);
}