package org.geogebra.common.kernel.advanced;
import org.geogebra.common.kernel.Kernel;
import org.geogebra.common.kernel.arithmetic.Command;
import org.geogebra.common.kernel.commands.CommandProcessor;
import org.geogebra.common.kernel.geos.GeoConic;
import org.geogebra.common.kernel.geos.GeoCurveCartesian;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.kernel.geos.GeoFunction;
import org.geogebra.common.kernel.geos.GeoPoint;
import org.geogebra.common.main.MyError;
/**
* OsculatingCircle[<Point>,<Function>],OsculatingCircle[<Point>,<Curve>]
*
* @author Victor Franco Espino
*/
public class CmdOsculatingCircle extends CommandProcessor {
/**
* Create new command processor
*
* @param kernel
* kernel
*/
public CmdOsculatingCircle(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].isGeoPoint()))
&& (ok[1] = (arg[1].isGeoFunctionable()))) {
AlgoOsculatingCircle algo = new AlgoOsculatingCircle(cons,
c.getLabel(), (GeoPoint) arg[0], (GeoFunction) arg[1]);
GeoElement[] ret = { algo.getCircle() };
return ret;
} else if ((ok[0] = (arg[0] instanceof GeoPoint))
&& (ok[1] = (arg[1].isGeoCurveCartesian()))) {
AlgoOsculatingCircleCurve algo = new AlgoOsculatingCircleCurve(
cons, c.getLabel(), (GeoPoint) arg[0],
(GeoCurveCartesian) arg[1]);
GeoElement[] ret = { algo.getCircle() };
return ret;
}
if ((ok[0] = (arg[0].isGeoPoint()))
&& (ok[1] = (arg[1].isGeoConic()))) {
AlgoOsculatingCircleCurve algo = new AlgoOsculatingCircleCurve(
cons, c.getLabel(), (GeoPoint) arg[0],
(GeoConic) arg[1]);
GeoElement[] ret = { algo.getCircle() };
return ret;
}
if (!ok[0]) {
throw argErr(app, c, arg[0]);
}
throw argErr(app, c, arg[1]);
default:
throw argNumErr(app, c, n);
}
}
}