Java绘图

import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.net.URL;

import javax.imageio.ImageIO;
import javax.swing.*;

public class PrintImage {

    private Font font = new Font("黑体", Font.PLAIN, 100); // 添加字体的属性设置

    private  Graphics2D g = null;

    private int fontsize = 0;

    public static void main(String[] args) {

        PrintImage tt = new PrintImage();

        tt.setFont("楷体",50);
        BufferedImage bufferedImage = tt.loadImageLocal("D:\code\aa.jpg");
        String Cname = "马龙";
        tt.modifyImage(bufferedImage, Cname + " 同学： ", -700, -100,Color.red);

        tt.setFont("宋体",30);

        String st2 = "经陕西省教育考试院核准，你被录取到我校XX专业学习，请持录取通知书于 YY 年 MM 月 DD 日来校办理入学报到手续。";
        st2 = st2.replace("XX","数计学院数学与应用数学")
                .replace("YY","2019")
                .replace("MM","09")
                .replace("DD","01");
        // 实现自动换行
        int rowSize  = 42;
        if (st2.length() > rowSize){
            tt.modifyImage(bufferedImage, st2.substring(0,42), -600, 0,Color.BLACK);
            tt.modifyImage(bufferedImage, st2.substring(42), -700, 70,Color.BLACK);
        }else {
            tt.modifyImage(bufferedImage, st2, -600, 0,Color.BLACK);
        }

        tt.setFont("宋体",30);
        String st4 = "考生号：    "+"272810032319735";
        tt.modifyImage(bufferedImage, st4, -700, 200,Color.BLACK);

        tt.setFont("宋体",30);
        String st5 = "身份证号码：610115199112930056";
        tt.modifyImage(bufferedImage, st5, -700, 260,Color.BLACK);



        tt.writeImageLocal("D:\code\1cc.jpg", bufferedImage);

        System.out.println("success");
    }


    /**
     * 导入本地图片到缓冲区
     */
    public BufferedImage loadImageLocal(String imgName) {
        try {
            return ImageIO.read(new File(imgName));
        } catch (IOException e) {
            System.out.println(e.getMessage());
        }
        return null;
    }

    /**
     * 导入网络图片到缓冲区
     */
    public BufferedImage loadImageUrl(String imgName) {
        try {
            URL url = new URL(imgName);
            return ImageIO.read(url);
        } catch (IOException e) {
            System.out.println(e.getMessage());
        }
        return null;
    }

    /**
     * 生成新图片到本地
     */
    public void writeImageLocal(String newImage, BufferedImage img) {
        if (newImage != null && img != null) {
            try {
                File outputfile = new File(newImage);
                ImageIO.write(img, "jpg", outputfile);
            } catch (IOException e) {
                System.out.println(e.getMessage());
            }
        }
    }

    /**
     * 设定文字的字体等
     */
    public void setFont(String fontStyle, int fontSize) {
        this.fontsize = fontSize;
        this.font = new Font(fontStyle, Font.PLAIN, fontSize);
    }

    /**
     * 修改图片,返回修改后的图片缓冲区（只输出一行文本）
     */
    public BufferedImage modifyImage(BufferedImage img, Object content, int x, int y , Color color) {

        try {



            int w = img.getWidth();
            int h = img.getHeight();

            g = img.createGraphics();
            g.setBackground(Color.WHITE);
            g.setColor(color);//设置字体颜色

            //  创建附加图片
            ImageIcon imgIcon = new ImageIcon("D:\code\title.jpg");
            //得到Image对象。
            Image img1 = imgIcon.getImage();

            //将小图片绘到大图片上。
            //5,300 .表示你的小图片在大图片上的位置。
            g.drawImage(img1,1340,300,180,230,Color.WHITE,null);


            if (this.font != null)
                g.setFont(this.font);

            if (content != null) {
                g.translate(w / 2, h / 2);
                //g.rotate(8 * Math.PI / 180);
                g.drawString(content.toString(), x, y);
            }
            g.dispose();
        } catch (Exception e) {
            System.out.println(e.getMessage());
        }

        return img;
    }


    /**
     * 修改图片,返回修改后的图片缓冲区（只输出一行文本）
     * <p>
     * 时间:2007-10-8
     *
     * @param img
     * @return
     */
    public BufferedImage modifyImageYe(BufferedImage img) {

        try {
            int w = img.getWidth();
            int h = img.getHeight();
            g = img.createGraphics();
            g.setBackground(Color.WHITE);
            g.setColor(Color.blue);//设置字体颜色
            if (this.font != null)
                g.setFont(this.font);
            g.drawString("www.hi.baidu.com?xia_mingjian", w - 85, h - 5);
            g.dispose();
        } catch (Exception e) {
            System.out.println(e.getMessage());
        }

        return img;
    }

    public BufferedImage modifyImagetogeter(BufferedImage b, BufferedImage d) {

        try {
            int w = b.getWidth();
            int h = b.getHeight();
            g = d.createGraphics();
            g.drawImage(b, 100, 10, w, h, null);
            g.dispose();
        } catch (Exception e) {
            System.out.println(e.getMessage());
        }

        return d;
    }

}