import java.awt.Point;
import java.awt.image.BufferedImage;
import java.io.FileOutputStream;

import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;

public class ImageTest {

 /**
  * @param args
  * @throws Exception
  */
 public static void main(String[] args) throws Exception {
  String srcImageFile="C:\\Documents and Settings\\Administrator\\桌面\\asdfdfdfdf_fgfsg78s74.psd";
  //String srcImageFile="C:\\Documents and Settings\\Administrator\\桌面\\用来上传\\1.jpg";
//  int scale = 0;
//  try {
//      BufferedImage src = ImageIO.read(new File(srcImageFile)); // 读入文件
//      System.out.println(new File(srcImageFile));
//      System.out.println(src);
//      int width = src.getWidth(); // 得到源图宽
//      int height = src.getHeight(); // 得到源图长
//     
//      System.out.println(width);
//      System.out.println(height);
//      if(width >scale){     
//       height = scale*height/width;
//       width = scale;
//      } 
//      if(true){
//       return;
//      }
//       //height = (int)(scale);
//      Image image = src.getScaledInstance(width, height,
//        Image.SCALE_DEFAULT);
//      BufferedImage tag = new BufferedImage(width, height,
//        BufferedImage.TYPE_INT_RGB);
//      Graphics g = tag.getGraphics();
//      g.drawImage(image, 0, 0, null); // 绘制缩小后的图
//      g.dispose();
//      ImageIO.write(tag, "JPEG", new File(srcImageFile));// 输出到文件流
//     } catch (IOException e) {
//      e.printStackTrace();
//     }
  
  
  Psd r = new Psd();
  
       r.read(srcImageFile);
       System.out.println("*****");
       int n = r.getFrameCount();
       System.out.println("************"+n);
       for (int i = 0; i < n; i++) {
         BufferedImage image = r.getLayer(i);
         Point offset = r.getLayerOffset(i);
          // do something with image
         String outFilePath = "c:\\testPsd_"+i+".jpg";
         FileOutputStream out = new FileOutputStream(outFilePath);
         JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
         encoder.encode(image);

     }

  
  
  
  
   }
  
}