package animation;

import javafx.application.Application;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.*;
import javafx.stage.Stage;

public class SnapshotTest extends Application {
  public static void main(String[] args) throws Exception { launch(args); }
  @Override public void start(final Stage stage) throws Exception {
    // create an image and a snapshot copy of the image.
    final Image pizzaImage                   = new Image("http://icons.iconarchive.com/icons/aha-soft/desktop-buffet/128/Pizza-icon.png");
    final ImageView originalImageView        = new ImageView(pizzaImage);
    final ImageView originalImageViewAligned = new ImageView(pizzaImage);
    final ImageView snapshotImageView        = new ImageView();
    final ImageView snapshotImageViewAligned = new ImageView();

    // layout the scene.
    final VBox layout = new VBox(5);
    layout.getChildren().addAll(
      VBoxBuilder.create().spacing(5).children(
        originalImageView,        
        new Label("Original - unaligned"), 
        snapshotImageView, 
        new Label("Snapshot - unaligned")
      ).build(),
      VBoxBuilder.create().spacing(5).alignment(Pos.CENTER).children(
        originalImageViewAligned, 
        new Label("Original - aligned"), 
        snapshotImageViewAligned, 
        new Label("Snapshot - aligned")
      ).build()
    );
    layout.setStyle("-fx-padding: 10; -fx-background-color: cornsilk;");
    stage.setScene(new Scene(layout, 300, 625));
    stage.show();
    
    // take snapshots of the aligned and unaligned nodes.
    snapshotImageView.setImage(originalImageView.snapshot(null, null));
    snapshotImageViewAligned.setImage(originalImageViewAligned.snapshot(null, null));
  }
}