утилиты для конвертирования изображения

java-fx-Image util утилиты для конвертирования изображения.java

import javafx.embed.swing.SwingFXUtils;
import javafx.scene.image.Image;
import javafx.stage.FileChooser;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

public class ImageUtil {
	public static void saveToFile(Image image) {
		// Ask the user for the file name
		FileChooser fileChooser = new FileChooser();
		fileChooser.setTitle("Select an image file name");
		fileChooser.setInitialFileName("untitled");
		FileChooser.ExtensionFilter pngExt = new FileChooser.ExtensionFilter("PNG Files", "*.png");
		FileChooser.ExtensionFilter jpgExt =
			new FileChooser.ExtensionFilter("JPEG Files", "*.jpg", "*.jpeg");
		fileChooser.getExtensionFilters().addAll(pngExt, jpgExt);
		File outputFile = fileChooser.showSaveDialog(null);
		if (outputFile == null) {
			return;
		}
		FileChooser.ExtensionFilter selectedExt = fileChooser.getSelectedExtensionFilter();
		String imageFormat = "png";
		if (selectedExt == jpgExt) {
			imageFormat = "jpg";
		}
		// Check for the file extension. Add oen, iff not specified
		String fileName = outputFile.getName().toLowerCase();
		switch (imageFormat) {
			case "jpg":
				if (!fileName.endsWith(".jpeg") && !fileName.endsWith(".jpg")) {
					outputFile = new File(outputFile.getParentFile(),
						outputFile.getName() + ".jpg");
				}
				break;
			case "png":
				if (!fileName.endsWith(".png")) {
					outputFile = new File(outputFile.getParentFile(),
						outputFile.getName() + ".png");
				}
		}
		// Convert the image to a buffered image
		BufferedImage bImage = SwingFXUtils.fromFXImage(image, null);
		// Save the image to the file
		try {
			ImageIO.write(bImage, imageFormat, outputFile);
		} catch (IOException e) {
			throw new RuntimeException(e);
		}
	}
}