Java在图片上写字,两个图片合并的方法

jopen 9年前

package writeimg;  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("华文彩云", Font.PLAIN, 40);// 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.orange);//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("D:\\11.jpg");  //  BufferedImage b = tt  //    .loadImageLocal("E:\\文件(word,excel,pdf,ppt.txt)\\zte-logo.png");     tt.writeImageLocal("D:\\cc.jpg",tt.modifyImage(d,"曹原",90,90)    //往图片上写文件     );      //tt.writeImageLocal("D:\\cc.jpg", tt.modifyImagetogeter(b, d));    //将多张图片合在一起    System.out.println("success");   }    }