@Override
public Sketch clone() {
Sketch newSketch = new Sketch();
for (int i = 0; i < this.noOfStrokes + 1; i++) {
newSketch.points.add(new ArrayList<SketchPoint>());
for (int j = 0; j < this.points.get(i).size(); j++) {
newSketch.points.get(i).add(this.points.get(i).get(j));
}
}
newSketch.noOfStrokes = this.noOfStrokes;
return newSketch;
}
