JAvaは1枚の画像のrgb値を取得します

import java.awt.image.BufferedImage; import javax.imageio.ImageIO; import java.io.*; public class Test1 {      public static void main(String args[])      {                     int [] rgb = new int [ 3 ];
           File file = new File( "b.jpg" );          BufferedImage bi= null ;          try          {              bi = ImageIO.read(file);          }          catch (Exception e)          {              e.printStackTrace();          }          int width=bi.getWidth();          int height=bi.getHeight();          int minx=bi.getMinX();          int miny=bi.getMinY();          System.out.println( "width=" +width+ ",height=" +height+ "." );          System.out.println( "minx=" +minx+ ",miniy=" +miny+ "." );          for ( int i=minx;i          {              for ( int j=miny;j              {                  int pixel=bi.getRGB(i,j);                  rgb[ 0 ] = (pixel & 0xff0000 ) >> 16 ;                  rgb[ 1 ] = (pixel & 0xff00 ) >> 8 ;                  rgb[ 2 ] = (pixel & 0xff );                  System.out.println( "i=" +i+ ",j=" +j+ ":(" +rgb[ 0 ]+ "," +rgb[ 1 ]+ "," +rgb[ 2 ]+ ")" );                              }          }      }
  }