java实现向图片上写字并合并图片,可以自己做高清壁纸

package study;import javax.imageio.ImageIO;import java.awt.Color;import java.awt.Font;import java.awt.Graphics2D;import java.awt.image.BufferedImage;import java.io.File;import java.io.IOException;import java.net.URL;public class pic { private Font font = new Font("楷体", Font.PLAIN, 120);// 添加字体的属性设置 private Graphics2D g = null; private int fontsize = 0; private int x = 0; private int y = 0; /**  * 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) {  try {   int w = img.getWidth();   int h = img.getHeight();   g = img.createGraphics();   g.setBackground(Color.WHITE);   g.setColor(Color.green);//设置字体颜色   if (this.font != null)    g.setFont(this.font);   // 验证输出位置的纵坐标和横坐标   if (x >= h || y >= w) {    this.x = h - this.fontsize + 2;    this.y = w;   } else {    this.x = x;    this.y = y;   }   if (content != null) {    g.drawString(content.toString(), this.x, this.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（输出多个文本段） xory：true表示将内容在一行中输出；false表示将内容多行输出  */ public BufferedImage modifyImage(BufferedImage img, Object[] contentArr,   int x, int y, boolean xory) {  try {   int w = img.getWidth();   int h = img.getHeight();   g = img.createGraphics();   g.setBackground(Color.WHITE);   g.setColor(Color.RED);   if (this.font != null)    g.setFont(this.font);   // 验证输出位置的纵坐标和横坐标   if (x >= h || y >= w) {    this.x = h - this.fontsize + 2;    this.y = w;   } else {    this.x = x;    this.y = y;   }   if (contentArr != null) {    int arrlen = contentArr.length;    if (xory) {     for (int i = 0; i < arrlen; i++) {      g.drawString(contentArr[i].toString(), this.x, this.y);      this.x += contentArr[i].toString().length()        * this.fontsize / 2 + 5;// 重新计算文本输出位置     }    } else {     for (int i = 0; i < arrlen; i++) {      g.drawString(contentArr[i].toString(), this.x, this.y);      this.y += this.fontsize + 2;// 重新计算文本输出位置     }    }   }   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）  *   * 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; } public static void main(String[] args) {  pic tt = new pic();  BufferedImage d = tt.loadImageLocal("E:\\7.jpg");//  BufferedImage b = tt//    .loadImageLocal("E:\\2.jpg");   tt.writeImageLocal("E:\\3.jpg",tt.modifyImage(d,"学而不思则罔 思而不学则殆",300,900)  //往图片上写文件   );//  tt.writeImageLocal("E:\\cc.jpg", tt.modifyImagetogeter(b, d));  //将多张图片合在一起  System.out.println("success"); }}