Read HEIC file into BufferedImage in Java and save it to JPEG using Java ImageIO

heic-to-png-using-BufferedImage.java

import java.awt.image.BufferedImage;
import javax.imageio.ImageIO;
import openize.heic.decoder.HeicImage;
import openize.io.IOFileStream;
import openize.io.IOMode;      

try (IOFileStream fs = new IOFileStream("filename.heic", IOMode.READ))
{
    HeicImage image = HeicImage.load(fs);
     
    int[] pixels = frames.get(key).getInt32Array(PixelFormat.Argb32);
    var width = (int)image.Width;
    var height = (int)image.Height;
	
	  BufferedImage image2 = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
	  image2.setRGB(0, 0, width, height, pixels, 0, width);
	  ImageIO.write(image2, "JPEG", new File("output.jpg"));
}