java实现向图片上写字并合并图片,可以自己做高清壁纸

爱被打了一巴掌 2022-11-15 14:16 137阅读 0赞

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");
     }
    
    }