package com.cnc.wsad.taskgenerator.frame;

import java.awt.Image;
import java.awt.geom.AffineTransform;
import java.awt.image.AffineTransformOp;
import java.awt.image.BufferedImage;
import  java.io.File;
import java.io.IOException;

import  javax.imageio.ImageIO;
import javax.swing.Icon;
import javax.swing.ImageIcon;
public   class  picturetest  {
	
	public static void getFixedIcon(String filePath, int width, int height) throws Exception{  
	    File f = new File(filePath);   
	    BufferedImage bi = ImageIO.read(f);  
	    double wRatio = (new Integer(width)).doubleValue() / bi.getWidth(); //宽度的比例  
	    double hRatio = (new Integer(height)).doubleValue() / bi.getHeight(); //高度的比例  
	    Image image = bi.getScaledInstance(width,height,Image.SCALE_SMOOTH); //设置图像的缩放大小  
	    AffineTransformOp op = new AffineTransformOp(AffineTransform.getScaleInstance(wRatio,hRatio),null);   //设置图像的缩放比例  
	    image = op.filter(bi,null);  
	    int lastLength = filePath.lastIndexOf(".");     
	    String subFilePath = filePath.substring(0,lastLength);  //得到图片输出路径  
	    String fileType = filePath.substring(lastLength);  //图片类型  
	    File zoomFile = new File(subFilePath +"_"+ width +"_" + height + fileType);  
	    Icon ret = null;  
	    try{  
	     ImageIO.write((BufferedImage)image, "jpg", zoomFile);   
	     ret = new ImageIcon(zoomFile.getPath());   
	    }catch (Exception e){  
	     e.printStackTrace();  
	    }   
	}  
	  
	public static void getfiled(String path){
		File file = new File(path);
	      File [] files = file.listFiles();
	      for (int i = 0; i < files.length; i++)
	      {
	          File file1 = files[i];
				try {
					int height = (ImageIO.read(file1)).getHeight(null);
				    int width = (ImageIO.read(file1)).getWidth(null);
				    
				    String tts = path+"/"+file1.getName();   //根据后缀判断
				    System.out.println(tts+"||"+height);
			          getFixedIcon(tts,width,height);
			         
				} catch (IOException e) {
					e.printStackTrace();
				} catch (Exception e) {
					e.printStackTrace();
				}
	      }
	} 
	
  public static void main(String arg[])  {
	  getfiled("f:/游玩");
  } 
}