/* 軟件作者： 熊錫君，時(shí)守剛 軟件版權(quán)歸作者所有，其他人可以對軟件進(jìn)行修改，可以使用軟件代碼，（按類使用請保留作者信息）*/package Painter;import java.awt.Point;import java.io.Serializable;import java.util.ArrayList;public class PointsSet implements Serializable{        private ArrayList points;        public PointsSet() {        points = new ArrayList();    }        public PointsSet(int initCap) {        points = new ArrayList(initCap);    }        public void addPoint(int x, int y) {        int size = points.size();        if (size > 0) {            Point point = (Point) points.get(size-1);            if (point.x == x && point.y == y)                return;        }        Point p = new Point();        p.x = x;        p.y = y;        points.add(p);    }        public int[][] getPoints() {        int size = points.size();        if (size == 0)            return null;        int[][] result = new int[2][size];        for (int i=0; i<size; i++) {            Point p = (Point) points.get(i);            result[0][i] = p.x;            result[1][i] = p.y;        }        return result;    }        public int[][] getPoints(int x, int y) {        int size = points.size();        if (size == 0)            return null;        int[][] result = new int[2][size+1];        int i;        for (i=0; i<size; i++) {            Point p = (Point) points.get(i);            result[0][i] = p.x;            result[1][i] = p.y;        }        result[0][i] = x;        result[1][i] = y;        return result;    }    }