package example;

import com.luciad.imageio.webp.WebPWriteParam;

import javax.imageio.IIOImage;
import javax.imageio.ImageIO;
import javax.imageio.ImageWriter;
import javax.imageio.stream.FileImageOutputStream;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

public class EncodeTest {
    public static void main(String args[]) throws IOException {
        String inputPngPath = "test_pic/test.png";
        String inputJpgPath = "test_pic/test.jpg";
        String outputWebpPath = "test_pic/test_.webp";

        // Obtain an image to encode from somewhere
        BufferedImage image = ImageIO.read(new File(inputJpgPath));

        // Obtain a WebP ImageWriter instance
        ImageWriter writer = ImageIO.getImageWritersByMIMEType("image/webp").next();

        // Configure encoding parameters
        WebPWriteParam writeParam = new WebPWriteParam(writer.getLocale());
        writeParam.setCompressionMode(WebPWriteParam.MODE_DEFAULT);

        // Configure the output on the ImageWriter
        writer.setOutput(new FileImageOutputStream(new File(outputWebpPath)));

        // Encode
        writer.write(null, new IIOImage(image, null, null), writeParam);
    }
}