Java Sierpinski Carpet Ternary

Java program to generate Sierpinski Carpet using Ternary Algorithm.

Note that image size must be the power of 3, for example: 729.

Main.java

import javax.imageio.ImageIO;
import java.io.File;

// 2018 TheFlyingKeyboard and released under MIT License
// theflyingkeyboard.net
public class Main {
    public static void main(String[] args) {
        SierpinskiCarpet sierpinskiTriangle = new SierpinskiCarpet();

        try {
            ImageIO.write(sierpinskiTriangle.generate(729), "png", new File("SierpinskiCarpet.png"));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

SierpinskiCarpet.java

import java.awt.*;
import java.awt.image.BufferedImage;
import java.awt.image.DataBufferInt;

// 2018 TheFlyingKeyboard and released under MIT License
// theflyingkeyboard.net
public class SierpinskiCarpet {
    private final int foregroundColor;
    private final int backgroundColor;
    private int[] imagePixelData;

    public SierpinskiCarpet() {
        this.foregroundColor = Color.BLACK.getRGB();
        this.backgroundColor = Color.WHITE.getRGB();
    }

    public SierpinskiCarpet(final Color foregroundColor, final Color backgroundColor) {
        this.foregroundColor = foregroundColor.getRGB();
        this.backgroundColor = backgroundColor.getRGB();
    }

    public BufferedImage generate(final int carpetSize) {
        BufferedImage bufferedImage = new BufferedImage(carpetSize, carpetSize, BufferedImage.TYPE_INT_RGB);
        imagePixelData = ((DataBufferInt) bufferedImage.getRaster().getDataBuffer()).getData();

        double counter = 0.0d;

        for (int x = 0; x < carpetSize; ++x) {
            for (int y = 0; y < carpetSize; ++y) {
                if(isTernaryZero(x, y, carpetSize)){
                    imagePixelData[y * carpetSize + x] = backgroundColor;
                }else{
                    imagePixelData[y * carpetSize + x] = foregroundColor;
                }

                ++counter;
            }

            System.out.println((counter / (carpetSize * carpetSize)) * 100.0f + "%");
        }

        return bufferedImage;
    }


    private boolean isTernaryZero(int x, int y, int steps){
        for(int i = 1; i < steps; i *= 3){
            if((x / i) % 3 == 1 && (y / i) % 3 == 1){
                return false;
            }
        }

        return true;
    }
}