ensemble.samples.graphics2d.displayshelf.PerspectiveImage Maven / Gradle / Ivy
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package ensemble.samples.graphics2d.displayshelf;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.scene.Parent;
import javafx.scene.effect.PerspectiveTransform;
import javafx.scene.effect.Reflection;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
/**
* A Node that displays a image with some 2.5D perspective rotation around the Y
* axis.
*/
public class PerspectiveImage extends Parent {
private static final double REFLECTION_SIZE = 0.25;
public static final double WIDTH = 200;
public static final double HEIGHT = WIDTH + (WIDTH * REFLECTION_SIZE);
private static final double RADIUS_H = WIDTH / 2;
private static final double BACK = WIDTH / 10;
private PerspectiveTransform transform = new PerspectiveTransform();
/**
* Angle Property
*/
public final DoubleProperty angle = new SimpleDoubleProperty(45) {
@Override
protected void invalidated() {
// when angle changes calculate new transform
double lx = (RADIUS_H - Math.sin(Math.toRadians(angle.get())) * RADIUS_H - 1);
double rx = (RADIUS_H + Math.sin(Math.toRadians(angle.get())) * RADIUS_H + 1);
double uly = (-Math.cos(Math.toRadians(angle.get())) * BACK);
double ury = -uly;
transform.setUlx(lx);
transform.setUly(uly);
transform.setUrx(rx);
transform.setUry(ury);
transform.setLrx(rx);
transform.setLry(HEIGHT + uly);
transform.setLlx(lx);
transform.setLly(HEIGHT + ury);
}
};
public final double getAngle() {
return angle.getValue();
}
public final void setAngle(double value) {
angle.setValue(value);
}
public final DoubleProperty angleModel() {
return angle;
}
public PerspectiveImage(Image image) {
ImageView imageView = new ImageView(image);
Reflection reflection = new Reflection();
reflection.setFraction(REFLECTION_SIZE);
imageView.setEffect(reflection);
setEffect(transform);
getChildren().addAll(imageView);
}
}