java 在图片上写字,两个图片合并的实现方法

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("reyo.cn", 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,"西昌苹果",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");   }   }