dag05ru/gist:4577000

## gistfile1.java
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import javax.imageio.ImageIO;
import java.io.*;
import java.util.*;


public class FindClone {
  static final int SIZE = 20;
	BufferedImage changeSize(String file_name) throws IOException{
		BufferedImage originalImage = ImageIO.read(new File(file_name));
		BufferedImage resizedImage = new BufferedImage(SIZE, SIZE, BufferedImage.TYPE_BYTE_GRAY );
		Graphics2D g = resizedImage.createGraphics();
		g.drawImage(originalImage, 0, 0, SIZE, SIZE, null);
		g.dispose();
		return resizedImage;
	}
	int getImgSum(BufferedImage img){
		int sum = 0;
		for(int i = 0; i < SIZE; i++){
			for(int j = 0; j < SIZE; j++){
				int rgb = img.getRGB(j, i);
				sum += (rgb & 0xff) + ((rgb >> 8) & 0xff) + ((rgb >> 16) & 0xff);
			}
		}
		return sum;
	}
	TreeMap<Integer,String> genSumArray(String path_name) throws IOException{
		TreeMap<Integer,String> sum_list = new TreeMap<Integer, String>();
		File path = new File(path_name);
		if(path.isDirectory()){
			String path_list[] = path.list();
			for(String s: path_list){
				String name = path_name+"/"+s;
				int sum = getImgSum(changeSize(path_name+"/"+s));
				sum_list.put(sum, name);
			}
		}
		return sum_list;
	}
	public static void main(String[] args) {
		try{
			System.out.println("<html><body>");
			FindClone fc = new FindClone();
			TreeMap<Integer,String> tm = fc.genSumArray(args[0]);
			int tmp = 0;
			for(Integer i:tm.keySet()){
				if(i - tmp > 500) System.out.println("<hr>"+(i - tmp));
				tmp = i;
				System.out.println("<img src=\""+tm.get(i)+"\" width=200 />");
			}
			System.out.println("</body></html>");
		}
		catch(Exception e){
			e.printStackTrace();
		}
	}
}
	import java.awt.Graphics2D;
	import java.awt.image.BufferedImage;
	import javax.imageio.ImageIO;
	import java.io.*;
	import java.util.*;


	public class FindClone {
	static final int SIZE = 20;
	BufferedImage changeSize(String file_name) throws IOException{
	BufferedImage originalImage = ImageIO.read(new File(file_name));
	BufferedImage resizedImage = new BufferedImage(SIZE, SIZE, BufferedImage.TYPE_BYTE_GRAY );
	Graphics2D g = resizedImage.createGraphics();
	g.drawImage(originalImage, 0, 0, SIZE, SIZE, null);
	g.dispose();
	return resizedImage;
	}
	int getImgSum(BufferedImage img){
	int sum = 0;
	for(int i = 0; i < SIZE; i++){
	for(int j = 0; j < SIZE; j++){
	int rgb = img.getRGB(j, i);
	sum += (rgb & 0xff) + ((rgb >> 8) & 0xff) + ((rgb >> 16) & 0xff);
	}
	}
	return sum;
	}
	TreeMap<Integer,String> genSumArray(String path_name) throws IOException{
	TreeMap<Integer,String> sum_list = new TreeMap<Integer, String>();
	File path = new File(path_name);
	if(path.isDirectory()){
	String path_list[] = path.list();
	for(String s: path_list){
	String name = path_name+"/"+s;
	int sum = getImgSum(changeSize(path_name+"/"+s));
	sum_list.put(sum, name);
	}
	}
	return sum_list;
	}
	public static void main(String[] args) {
	try{
	System.out.println("<html><body>");
	FindClone fc = new FindClone();
	TreeMap<Integer,String> tm = fc.genSumArray(args[0]);
	int tmp = 0;
	for(Integer i:tm.keySet()){
	if(i - tmp > 500) System.out.println("<hr>"+(i - tmp));
	tmp = i;
	System.out.println("<img src=\""+tm.get(i)+"\" width=200 />");
	}
	System.out.println("</body></html>");
	}
	catch(Exception e){
	e.printStackTrace();
	}
	}
	}