import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.image.*;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.stage.Stage;

public class ImageDrawingExample extends Application {
    public void start(Stage primaryStage) {
        Image image = new Image("KittenPuppy.png");
        ImageView imageView = new ImageView(image);

        // Obtain PixelReader
        PixelReader pixelReader = image.getPixelReader();
        System.out.println("Image Width: " + image.getWidth());
        System.out.println("Image Height: " + image.getHeight());

        // Create WritableImage
        WritableImage wImage = new WritableImage((int)image.getWidth(), (int)image.getHeight());
        PixelWriter pixelWriter = wImage.getPixelWriter();

        // Determine the color of each pixel in the image
        for (int y = 0; y < image.getHeight(); y++) {
            for (int x = 0; x < image.getWidth(); x++) {
                Color color = pixelReader.getColor(x, y);
                /*System.out.println("\nPixel color at (" + x + "," + y + ")");
                System.out.println("R = " + color.getRed());
                System.out.println("G = " + color.getGreen());
                System.out.println("B = " + color.getBlue());
                System.out.println("Opacity = " + color.getOpacity());
                System.out.println("Saturation = " + color.getSaturation());*/

                color = color.brighter();
                pixelWriter.setColor(x,y,color);
            }
        }
        imageView.setImage(wImage);

        Pane root = new Pane();
        root.getChildren().add(imageView);
        Scene scene = new Scene(root, 480, 300);
        primaryStage.setTitle("Image Drawing Example");
        primaryStage.setScene(scene);
        primaryStage.show();
    }
    public static void main(String[] args) { launch(args); }
}