Javafx 简明教程

import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.stage.Stage;
import javafx.scene.shape.Circle;
import javafx.scene.effect.Blend;
import javafx.scene.effect.BlendMode;
import javafx.scene.effect.ColorInput;
import javafx.scene.paint.Color;

public class BlendEffectExample extends Application {
   @Override
   public void start(Stage stage) {
      //Drawing a Circle
      Circle circle = new Circle();

      //Setting the center of the Circle
      circle.setCenterX(75.0f);
      circle.setCenterY(75.0f);

      //Setting radius of the circle
      circle.setRadius(30.0f);

      //Setting the fill color of the circle
      circle.setFill(Color.BROWN);

      //Instantiating the blend class
      Blend blend = new Blend();

      //Preparing the to input object
      ColorInput topInput = new ColorInput(35, 30, 75, 40, Color.BLUEVIOLET);

      //setting the top input to the blend object
      blend.setTopInput(topInput);

      //setting the blend mode
      blend.setMode(BlendMode.SRC_OVER);

      //Applying the blend effect to circle
      circle.setEffect(blend);

      //Creating a Group object
      Group root = new Group(circle);

      //Creating a scene object
      Scene scene = new Scene(root, 150, 150);

      //Setting title to the Stage
      stage.setTitle("Blend Example");

      //Adding scene to the stage
      stage.setScene(scene);

      //Displaying the contents of the stage
      stage.show();
   }
   public static void main(String args[]){
      launch(args);
   }
}

javac --module-path %PATH_TO_FX% --add-modules javafx.controls BlendEffectExample.java
java --module-path %PATH_TO_FX% --add-modules javafx.controls BlendEffectExample