使用Java代码将一张图片生成为字符画

测试的图片：

输出的结果：

代码：

 package test;

 import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.IOException;

 import javax.imageio.ImageIO;

 /**
  * 将一张图片生成为字符画
  *
  * @author 11475
  *
  */
 public class DemoCase {
     /**
      * @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();
         }
     }

     /**
      * 在 createAsciiPic(final String path)添加图片的路径
      */
     public static void main(final String[] args) {
         DemoCase.createAsciiPic("C:\\Users\\11475\\Desktop\\resizeApi (2).png");
     }
 }