package org.geogebra.common.geogebra3D.kernel3D.commands;
import org.geogebra.common.kernel.Kernel;
import org.geogebra.common.kernel.Region;
import org.geogebra.common.kernel.arithmetic.Command;
import org.geogebra.common.kernel.commands.CommandProcessor;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.kernel.kernelND.GeoPointND;
import org.geogebra.common.main.MyError;
/**
* ClosestPointRegion command
*/
public class CmdClosestPointRegion extends CommandProcessor {
/**
* @param kernel
* Kernel
*/
public CmdClosestPointRegion(Kernel kernel) {
super(kernel);
}
@Override
public GeoElement[] process(Command c) throws MyError {
int n = c.getArgumentNumber();
boolean[] ok = new boolean[n];
GeoElement[] arg;
switch (n) {
case 2:
arg = resArgs(c);
if ((ok[0] = arg[0].isRegion()) && (ok[1] = arg[1].isGeoPoint())) {
return new GeoElement[] { (GeoElement) kernelA.getManager3D()
.ClosestPoint(c.getLabel(), (Region) arg[0],
(GeoPointND) arg[1]) };
}
if ((ok[1] = arg[1].isRegion()) && (ok[0] = arg[0].isGeoPoint())) {
return new GeoElement[] { (GeoElement) kernelA.getManager3D()
.ClosestPoint(c.getLabel(), (Region) arg[1],
(GeoPointND) arg[0]) };
}
if (ok[0] && !ok[1]) {
throw argErr(app, c, arg[1]);
}
throw argErr(app, c, arg[0]);
default:
// return super.process(c);
throw argNumErr(app, c, n);
}
}
}