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 AsciiPic {
 
 /**
 * @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");
 }
}