java实现图片转ascii字符画的方法示例

package com.dongge;

import java.awt.image.bufferedimage;

import java.io.file;

import java.io.ioexception;

import javax.imageio.imageio;

/**

  * @author 东哥 2016年10月27日

  *

  */

public class ascii pic {

  /**

  * @param path

  *      图片路径

  */

  public static void createasciipic( final string path) {

  final string base = "@#&$%*o!;." ; // 字符串由复杂到简单

  try {

   final bufferedimage image = imageio.read( new file(path));

   for ( int y = 0 ; y < image.getheight(); y += 2 ) {

   for ( int x = 0 ; x < image.getwidth(); x++) {

    final int pixel = image.getrgb(x, y);

    final int r = (pixel & 0xff0000 ) >> 16 , g = (pixel & 0xff00 ) >> 8 , b = pixel & 0xff ;

    final float gray = 0 .299f * r + 0 .578f * g + 0 .114f * b;

    final int index = math.round(gray * (base.length() + 1 ) / 255 );

    system.out.print(index >= base.length() ? " " : string.valueof(base.charat(index)));

   }

   system.out.println();

   }

  } catch ( final ioexception e) {

   e.printstacktrace();

  }

  }

  /**

  * test

  *

  * @param args

  */

  public static void main( final string[] args) {

  asciipic.createasciipic( "d:\\20161027095850.png" );

  }

}