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package slidersample;
import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.geometry.Insets;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.control.Slider;
import javafx.scene.effect.SepiaTone;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.GridPane;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
public class SliderSample extends Application {
final Slider opacityLevel = new Slider(0, 1, 1);
final Slider sepiaTone = new Slider(0, 1, 1);
final Slider scaling = new Slider (0.5, 1, 1);
final Image image = new Image(getClass().getResourceAsStream(
"cappuccino.jpg")
);
final Label opacityCaption = new Label("Opacity Level:");
final Label sepiaCaption = new Label("Sepia Tone:");
final Label scalingCaption = new Label("Scaling Factor:");
final Label opacityValue = new Label(
Double.toString(opacityLevel.getValue()));
final Label sepiaValue = new Label(
Double.toString(sepiaTone.getValue()));
final Label scalingValue = new Label(
Double.toString(scaling.getValue()));
final static Color textColor = Color.WHITE;
final static SepiaTone sepiaEffect = new SepiaTone();
@Override
public void start(Stage stage) {
Group root = new Group();
Scene scene = new Scene(root, 600, 400);
stage.setScene(scene);
stage.setTitle("Slider Sample");
scene.setFill(Color.BLACK);
GridPane grid = new GridPane();
grid.setPadding(new Insets(10, 10, 10, 10));
grid.setVgap(10);
grid.setHgap(70);
final ImageView cappuccino = new ImageView (image);
cappuccino.setEffect(sepiaEffect);
GridPane.setConstraints(cappuccino, 0, 0);
GridPane.setColumnSpan(cappuccino, 3);
grid.getChildren().add(cappuccino);
scene.setRoot(grid);
opacityCaption.setTextFill(textColor);
GridPane.setConstraints(opacityCaption, 0, 1);
grid.getChildren().add(opacityCaption);
opacityLevel.valueProperty().addListener(new ChangeListener<Number>() {
public void changed(ObservableValue<? extends Number> ov,
Number old_val, Number new_val) {
cappuccino.setOpacity(new_val.doubleValue());
opacityValue.setText(String.format("%.2f", new_val));
}
});
GridPane.setConstraints(opacityLevel, 1, 1);
grid.getChildren().add(opacityLevel);
opacityValue.setTextFill(textColor);
GridPane.setConstraints(opacityValue, 2, 1);
grid.getChildren().add(opacityValue);
sepiaCaption.setTextFill(textColor);
GridPane.setConstraints(sepiaCaption, 0, 2);
grid.getChildren().add(sepiaCaption);
sepiaTone.valueProperty().addListener(new ChangeListener<Number>() {
public void changed(ObservableValue<? extends Number> ov,
Number old_val, Number new_val) {
sepiaEffect.setLevel(new_val.doubleValue());
sepiaValue.setText(String.format("%.2f", new_val));
}
});
GridPane.setConstraints(sepiaTone, 1, 2);
grid.getChildren().add(sepiaTone);
sepiaValue.setTextFill(textColor);
GridPane.setConstraints(sepiaValue, 2, 2);
grid.getChildren().add(sepiaValue);
scalingCaption.setTextFill(textColor);
GridPane.setConstraints(scalingCaption, 0, 3);
grid.getChildren().add(scalingCaption);
scaling.valueProperty().addListener(new ChangeListener<Number>() {
public void changed(ObservableValue<? extends Number> ov,
Number old_val, Number new_val) {
cappuccino.setScaleX(new_val.doubleValue());
cappuccino.setScaleY(new_val.doubleValue());
scalingValue.setText(String.format("%.2f", new_val));
}
});
GridPane.setConstraints(scaling, 1, 3);
grid.getChildren().add(scaling);
scalingValue.setTextFill(textColor);
GridPane.setConstraints(scalingValue, 2, 3);
grid.getChildren().add(scalingValue);
stage.show();
}
public static void main(String[] args) {
launch(args);
}
}