例子
下面的程序是一个示例,演示了 JavaFX 的投影效果。在这里,我们在场景中绘制了一个文本“Welcome to Tutorialspoint”和一个圆圈。
对于这些,我们正在应用阴影效果。将此代码保存在名称为的文件中DropShadowEffectExample.java.
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.effect.BlurType;
import javafx.scene.effect.DropShadow;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.stage.Stage;
import javafx.scene.text.Font;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
public class DropShadowEffectExample extends Application {
@Override
public void start(Stage stage) {
//Creating a Text object
Text text = new Text();
//Setting font to the text
text.setFont(Font.font(null, FontWeight.BOLD, 40));
//setting the position of the text
text.setX(60);
text.setY(50);
//Setting the text to be embedded.
text.setText("Welcome to Tutorialspoint");
//Setting the color of the text
text.setFill(Color.DARKSEAGREEN);
//Drawing a Circle
Circle circle = new Circle();
//Setting the centre of the circle
circle.setCenterX(300.0f);
circle.setCenterY(160.0f);
//Setting the radius of the circle
circle.setRadius(100.0f);
//Instantiating the Shadow class
DropShadow dropShadow = new DropShadow();
//setting the type of blur for the shadow
dropShadow.setBlurType(BlurType.GAUSSIAN);
//Setting color for the shadow
dropShadow.setColor(Color.ROSYBROWN);
//Setting the height of the shadow
dropShadow.setHeight(5);
//Setting the width of the shadow
dropShadow.setWidth(5);
//Setting the radius of the shadow
dropShadow.setRadius(5);
//setting the offset of the shadow
dropShadow.setOffsetX(3);
dropShadow.setOffsetY(2);
//Setting the spread of the shadow
dropShadow.setSpread(12);
//Applying shadow effect to the text
text.setEffect(dropShadow);
//Applying shadow effect to the circle
circle.setEffect(dropShadow);
//Creating a Group object
Group root = new Group(circle, text);
//Creating a scene object
Scene scene = new Scene(root, 600, 300);
//Setting title to the Stage
stage.setTitle("Drop Shadow effect 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);
}
}
使用以下命令从命令提示符编译并执行保存的 java 文件。
javac DropShadowEffectExample.java
java DropShadowEffectExample