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"); }}