将图片转换成符号TXT文本

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;

public class ConvertImage2Txt
{
public static void main(String[] args) throws IOException
{
Scanner scanner = new Scanner(System.in);
System.out.println("请输入图片地址");
String img_file = scanner.nextLine();
System.out.println("请输入TXT存储地址");
String out_file = scanner.nextLine();
// 读取图片
BufferedImage binaryBufferedImage = ImageIO.read(new File(img_file));
int orgWidth=binaryBufferedImage.getWidth();
int orgHeight=binaryBufferedImage.getHeight();
int size=Math.max(orgHeight,orgWidth);
int w = size>1000?binaryBufferedImage.getWidth()/3:orgWidth;
int h = size>1000?binaryBufferedImage.getHeight()/3:orgHeight;

binaryBufferedImage.getGraphics().drawImage(binaryBufferedImage, 0, 0, w, h, null);

BufferedWriter bw = new BufferedWriter(new FileWriter(out_file));

final String base = "@#&$%*o!;.";// 字符串由复杂到简单
for (int y = 0; y < h; y += 2) {
for (int x = 0; x < w; x++) {
final int pixel = binaryBufferedImage.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);
bw.write((index >= base.length() ? " " : String.valueOf(base.charAt(index))));
}
bw.newLine();
}
bw.close();
}
}