package org.geogebra.common.kernel.scripting;
import org.geogebra.common.euclidian.EuclidianViewInterfaceCommon;
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.GeoElement;
import org.geogebra.common.kernel.geos.GeoNumberValue;
import org.geogebra.common.kernel.geos.GeoPoint;
import org.geogebra.common.kernel.geos.GeoPolygon;
import org.geogebra.common.main.MyError;
/**
* RigidPolygon[ <GeoPoint>, ..., <GeoPoint> ]
*/
public class CmdRigidPolygon extends CommandProcessor {
/**
* Creates new command processor
*
* @param kernel
* kernel
*/
public CmdRigidPolygon(Kernel kernel) {
super(kernel);
}
@Override
public GeoElement[] process(Command c) throws MyError {
int n = c.getArgumentNumber();
GeoElement[] arg;
arg = resArgs(c);
switch (n) {
case 1:
if (arg[0].isGeoPolygon()) {
EuclidianViewInterfaceCommon view = kernelA.getApplication()
.getActiveEuclidianView();
double offset = view.toRealWorldCoordX(view.getWidth()) / 15;
GeoElement[] ret = kernelA.rigidPolygon((GeoPolygon) arg[0],
offset, -offset);
return ret;
}
// else fall through
case 0:
case 2:
throw argNumErr(app, c, n);
case 3:
if (arg[0].isGeoPolygon() && arg[1] instanceof GeoNumberValue
&& arg[2] instanceof GeoNumberValue) {
GeoElement[] ret = kernelA.rigidPolygon((GeoPolygon) arg[0],
((GeoNumberValue) arg[1]).getDouble(),
((GeoNumberValue) arg[2]).getDouble());
return ret;
}
// else fall through
default:
// polygon for given points
GeoPoint[] points = new GeoPoint[n];
// check arguments
for (int i = 0; i < n; i++) {
if (!(arg[i].isGeoPoint())) {
throw argErr(app, c, arg[i]);
}
points[i] = (GeoPoint) arg[i];
}
// everything ok
return kernelA.rigidPolygon(c.getLabels(), points);
}
}
}