import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.util.List;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;
import java.util.ArrayList;
import java.util.Random;

public class AsciiPrcessing
{
    static int width = 300;
    static int height = 300;

     private static String randomChar()
     {
            Random random = new Random();
            int index = random.nextInt(129);

            List<Integer> specialChars = new ArrayList<Integer>();
            for(int code = 0; code < 257; code++)
            {
                if(!Character.isLetterOrDigit((char) code))
                {
                    specialChars.add(code);
                }
            }

            int charIndexNum = specialChars.get(index);
            String asciiString = Character.toString((char) charIndexNum);

            return CheckForWhiteSpaces(asciiString);
     }

     private static String CheckForWhiteSpaces(String asciiString)
     {
            if(asciiString == null)
            {
                randomChar();
                return null;
            }
            else
            {
                return asciiString;
            }
     }

     public static void BuildImage()
        {
            //Makes an empty image
            BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
            Graphics g = image.getGraphics();
            g.setFont(new Font("SansSerif", Font.BOLD, 24));

            //Converts image to a flat 2d image
            Graphics2D g2 = (Graphics2D) g;
            g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
            g2.drawString("Thanks", 30, 30);

            //Iterates height and width to write ASCII art
            for(int y = 0; y < height; y++)
            {
                StringBuilder builder = new StringBuilder();

                for(int x = 0; x < width; x++)
                {
                    builder.append(image.getRGB(x, y) == -16777216 ? " " : randomChar());
                }
                //Prints the image
                System.out.println(builder);
            }
        }

    public static void main(String[] args)
    {
         BuildImage();
    }
}