JavaFX ColorAdjust Effect

JavaFX allows us to adjust the color of an image by adjusting the properties like hue, saturation, brightness and contrast of the color of image. The class javafx.scene.effect.ColorAdjust contains various properties and methods that can be used to apply the ColorAdjust effect on the node.

Properties

The properties of the class javafx.scene.effect.ColorAdjust along with their setter methods are described below.

Property	Description	Setter Methods
brightness	Adjustment made in brightness of the color. It is a double type property.	setBrightness(double value)
contrast	Adjustment made in contrast of the color. It is of double type property.	setContrast(double value)
hue	Adjustment made in hue of the color. It is of double type property.	setHue(double value)
input	Input value for the effect. It is of double type property.	setInput(double value)
saturation	Adjustment made in saturation of the color. It is of double type property.	setSaturation(double value)

Constructors

The class contains two constructors given below.

public ColorAdjust() : creates the new instance of ColorAdjust with the default parameters.
public ColorAdjust(double hue, double saturation, double brightness, double contrast) : Creates the new instance of the ColorAdjust with the specified parameters.

Example:

In the below example, the ColorAdjust Effect has been applied to the image with the certain properties. The comparison is being shown between the effected image and the original image as the output.

package application;
import javafx.application.Application;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.scene.text.Font;
import javafx.scene.text.FontPosture;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
import javafx.stage.Stage;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.effect.ColorAdjust;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
public class ColorAdjustEffect extends Application{

	@Override
	public void start(Stage primaryStage) throws Exception {
		// TODO Auto-generated method stub
		Image img1 = new Image("https://www.javatpoint.com/linux/images/linux-first.png");
		Image img2 = new Image("https://www.javatpoint.com/linux/images/linux-first.png");
		ImageView imgview1 = new ImageView(img1);
		ImageView imgview2 = new ImageView(img2);
		Text text1 = new Text();
		Text text2 = new Text();
		text1.setText("ColorAdjust Effect Applied");
		text2.setText("ColorAdjust Effect Not Applied");
		text1.setX(50);
		text1.setY(300);
		text2.setX(355);
		text2.setY(300);
		text1.setFont(Font.font("Courier 10 Pitch",FontWeight.BOLD,FontPosture.REGULAR,16));
		text2.setFont(Font.font("Courier 10 Pitch",FontWeight.BOLD,FontPosture.REGULAR,16));
		text1.setFill(Color.RED);
		text2.setFill(Color.RED);
		text1.setStroke(Color.BLACK);
		text2.setStroke(Color.BLACK);
		text1.setStrokeWidth(0.2);
		text2.setStrokeWidth(0.2);
		
		imgview1.setX(100);
		imgview1.setY(90);
		imgview2.setX(400);
		imgview2.setY(90);
		ColorAdjust c = new ColorAdjust(); // creating the instance of the ColorAdjust effect. 
		c.setBrightness(0.2); // setting the brightness of the color. 
		c.setContrast(0.1); // setting the contrast of the color
		c.setHue(0.3); // setting the hue of the color
		c.setSaturation(0.45); // setting the hue of the color. 
		imgview1.setEffect(c); //applying effect on the image
		
		Group root = new Group();
		
		root.getChildren().addAll(imgview1,imgview2,text1,text2);
		Scene scene = new Scene(root,700,400);
		primaryStage.setScene(scene);

		primaryStage.setTitle("ColorAdjust Effect Example");
		primaryStage.show();
		
	}
public static void main(String[] args) {
	launch(args);
}
}