import java.awt.image.BufferedImage;
import java.awt.image.DataBufferInt;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
import javafx.stage.StageStyle;

public class TexelShow extends Application {

    public static void main(String[] args) {
        launch(args);
    }

    @Override
    public void start(Stage stage) throws Exception {
        BufferedImage bi = new BufferedImage(128, 128, BufferedImage.TYPE_INT_ARGB_PRE);
        DataBufferInt data = (DataBufferInt)bi.getRaster().getDataBuffer();
        int [] iData = data.getData();
            

        for (int y=0; y!=128; ++y) {
            for (int x=0; x!=128; ++x) {
                int  t = (x^y)&1;
                iData[y*128+x] = t*0x00fFfFFf | 0x00000000; // Transparent
//                iData[y*128+x] = t*0xFfFfFfFf | 0xFF000000; // Opaque
            }
        }
        
        ImageView imageView = new ImageView(Image.impl_fromExternalImage(bi));
        stage.initStyle(StageStyle.TRANSPARENT);
        VBox vbox = new VBox();

        Button button = new Button();
        button.setText("close");
        final Stage hackStage = stage;
        button.setOnAction(new EventHandler<ActionEvent>() {
            @Override public void handle(ActionEvent e) {
                hackStage.close();
            }
        });
        vbox.getChildren().add(button);
        vbox.getChildren().add(imageView);
        
        Scene scene = new Scene(vbox, 128, 128);
        scene.setFill(Color.TRANSPARENT);
        stage.setScene(scene);
        stage.show();
    }

}