package org.geogebra.common.kernel.commands;
import org.geogebra.common.kernel.Kernel;
import org.geogebra.common.kernel.arithmetic.Command;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.kernel.geos.GeoPoint;
import org.geogebra.common.kernel.kernelND.GeoPointND;
import org.geogebra.common.main.MyError;
/**
* CircleArc[ <GeoPoint center>, <GeoPoint>, <GeoPoint> ] CircleSector[
* <GeoPoint center>, <GeoPoint>, <GeoPoint> ]
*/
public class CmdCircleArcSector extends CommandProcessor {
/**
* arc/sector
*/
protected int type;
/**
* Create new command processor
*
* @param kernel
* kernel
* @param type
* arc type
*/
public CmdCircleArcSector(Kernel kernel, int type) {
super(kernel);
this.type = type;
}
@Override
final public GeoElement[] process(Command c) throws MyError {
int n = c.getArgumentNumber();
boolean[] ok = new boolean[n];
GeoElement[] arg;
switch (n) {
case 3:
arg = resArgs(c);
if ((ok[0] = (arg[0].isGeoPoint()))
&& (ok[1] = (arg[1].isGeoPoint()))
&& (ok[2] = (arg[2].isGeoPoint()))) {
GeoElement[] ret = {
circleArcSector(c.getLabel(), (GeoPointND) arg[0],
(GeoPointND) arg[1], (GeoPointND) arg[2]) };
return ret;
}
throw argErr(app, c, getBadArg(ok, arg));
case 4:
arg = resArgs(c);
GeoElement[] ret = process4(c, arg, ok);
return ret;
default:
throw argNumErr(app, c, n);
}
}
/**
*
* @param label
* label
* @param center
* center
* @param startPoint
* start point
* @param endPoint
* end point
* @return arc circle
*/
protected GeoElement circleArcSector(String label, GeoPointND center,
GeoPointND startPoint, GeoPointND endPoint) {
return getAlgoDispatcher().CircleArcSector(label, (GeoPoint) center,
(GeoPoint) startPoint, (GeoPoint) endPoint, type);
}
/**
* process circle arc when 4 arguments
*
* @param c
* command
* @param arg
* arguments
* @param ok
* ok array
* @return result (if one)
* @throws MyError
* in 2D, not possible with 4 args
*/
protected GeoElement[] process4(Command c, GeoElement[] arg, boolean[] ok)
throws MyError {
throw argNumErr(app, c, 4);
}
}