Java-Buddy

JavaFX example to capture screen/GUI nodes:

package javafxcapturescreen;
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.application.Application;
import javafx.embed.swing.SwingFXUtils;
import javafx.event.ActionEvent;
import javafx.scene.Scene;
import javafx.scene.SnapshotParameters;
import javafx.scene.control.Button;
import javafx.scene.image.WritableImage;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
import javax.imageio.ImageIO;
/**
 *
 * @web http://java-buddy.blogspot.com/
 */
public class JavaFXCaptureScreen extends Application {
 
 @Override
 public void start(Stage primaryStage) {
 StackPane root = new StackPane();
 Scene scene = new Scene(root, 300, 250);
 
 Button btnCaptureScene = new Button();
 btnCaptureScene.setText("Capture scene");
 btnCaptureScene.setOnAction((ActionEvent event) -> {
 
 WritableImage writableImage = scene.snapshot(null);
 File file = new File("capturedScene.png");
 try {
 ImageIO.write(SwingFXUtils.fromFXImage(writableImage, null), "png", file);
 System.out.println("Captured: " + file.getAbsolutePath());
 } catch (IOException ex) {
 Logger.getLogger(JavaFXCaptureScreen.class.getName()).log(Level.SEVERE, null, ex);
 }
 });
 
 Button btnCaptureRoot = new Button();
 btnCaptureRoot.setText("Capture root");
 btnCaptureRoot.setOnAction((ActionEvent event) -> {
 WritableImage writableImage = root.snapshot(new SnapshotParameters(), null);
 File file = new File("capturedRoot.png");
 try {
 ImageIO.write(SwingFXUtils.fromFXImage(writableImage, null), "png", file);
 System.out.println("Captured: " + file.getAbsolutePath());
 } catch (IOException ex) {
 Logger.getLogger(JavaFXCaptureScreen.class.getName()).log(Level.SEVERE, null, ex);
 }
 });
 
 VBox vBox = new VBox();
 vBox.getChildren().addAll(btnCaptureScene, btnCaptureRoot);
 root.getChildren().add(vBox);
 
 primaryStage.setTitle("java-buddy.blogspot.com");
 primaryStage.setScene(scene);
 primaryStage.show();
 }
 public static void main(String[] args) {
 launch(args);
 }
 
}

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