pageprint.java

Java开发的通用条码打印程序

package barprint.print;

import java.util.*;
import java.awt.*;

public class PagePrint {
    /** 用来存储打印对象 **/
    Vector vc;
    public PagePrint() {
        vc = new Vector();
    }

    /**
     *将 PrintObject 对象放入 vc 中
     *@param po  PrintObject
     */
    public void putPrintO(PrintObject po) {
        vc.add(po);
    }

    /**
     *取出PrintObject
     *@param i   在集合vc 中的序号
     */
    public PrintObject getPrintO(int i) {
        return (PrintObject) vc.get(i);
    }

    /**
     * 遍历vc,执行每个PrintObject对象的print方面
     * @param g 将要打印的图形环境
     */
    public void print(Graphics g) {
        int i = vc.size();
        Graphics2D g2d = (Graphics2D) g;
        for (int j = 0; j < i; j++) {
            getPrintO(j).print(g2d);
        }
    }
}