Java PerspectiveTransform类代码示例

import javafx.scene.effect.PerspectiveTransform; //导入依赖的package包/类
public static Node createIconContent() {
    javafx.scene.Group g = new javafx.scene.Group(
                createKey("A", 0d, 28d),
                createKey("S", 25d, 28d),
                createKey("D", 50d, 28d),
                createKey("W", 20d, 0d)
                );
    g.setLayoutX(30);
    g.setLayoutY(20);
    PerspectiveTransform pt = new PerspectiveTransform();
    pt.setLlx(0);
    pt.setLly(90);
    pt.setLrx(90);
    pt.setLry(90);
    pt.setUlx(15);
    pt.setUly(10);
    pt.setUrx(80);
    pt.setUry(5);
    g.setEffect(pt);
    return g;
}
 

import javafx.scene.effect.PerspectiveTransform; //导入依赖的package包/类
static PerspectiveTransform computeEnd(ObservableValue<? extends Number> x, ObservableValue<? extends Number> y, ObservableValue<? extends Number> width, ObservableValue<? extends Number> height, ObservableValue<Pos> noEffectPos) {
	double ratioX = x.getValue().doubleValue() / width.getValue().doubleValue() * 3;
	double ratioY = y.getValue().doubleValue() / height.getValue().doubleValue() * 3;
	ObjectBinding<Perspective> perspective = Bindings.createObjectBinding(() -> new Perspective(ratioX, ratioY, width.getValue().doubleValue(), height.getValue().doubleValue(), noEffectPos.getValue()), width, height, noEffectPos);
	PerspectiveTransform effect = new PerspectiveTransform();
	effect.ulxProperty().bind(createPerspectivePropertyBinding(p -> p.ulx, perspective));
	effect.ulyProperty().bind(createPerspectivePropertyBinding(p -> p.uly, perspective));
	effect.urxProperty().bind(createPerspectivePropertyBinding(p -> p.urx, perspective));
	effect.uryProperty().bind(createPerspectivePropertyBinding(p -> p.ury, perspective));
	effect.lrxProperty().bind(createPerspectivePropertyBinding(p -> p.lrx, perspective));
	effect.lryProperty().bind(createPerspectivePropertyBinding(p -> p.lry, perspective));
	effect.llxProperty().bind(createPerspectivePropertyBinding(p -> p.llx, perspective));
	effect.llyProperty().bind(createPerspectivePropertyBinding(p -> p.lly, perspective));
	return effect;

}
 

import javafx.scene.effect.PerspectiveTransform; //导入依赖的package包/类
/** Draws the current image. 
 * @param topLeft where the top-left corner of the current image should be rendered
 * @param topRight where the top-right corner of the current image should be rendered
 * @param bottomRight where the bottom-right corner of the current image should be rendered
 * @param bottomLeft where the bottom-left corner of the current image should be rendered
 */
public void drawImage(Point2D topLeft, Point2D topRight, Point2D bottomRight, Point2D bottomLeft) {
    ensureRealized();

    PerspectiveTransform t = new PerspectiveTransform();
    t.setUlx(topLeft.getX());
    t.setUly(topLeft.getY());
    t.setUrx(topRight.getX());
    t.setUry(topRight.getY());
    t.setLrx(bottomRight.getX());
    t.setLry(bottomRight.getY());
    t.setLlx(bottomLeft.getX());
    t.setLly(bottomLeft.getY());
    context.setEffect(t);
    context.drawImage(currentImage, 0, 0);

    if (autoFlush) {
        flush();
    }
}
 

import javafx.scene.effect.PerspectiveTransform; //导入依赖的package包/类
private void initShadowOverlay() {
    transformLeft  = new PerspectiveTransform();
    transformRight = new PerspectiveTransform();

    leftImage = new ImageView();
    leftImage.setFitWidth(PREF_PANE_WIDTH);
    leftImage.setFitHeight(SIZE.getHeight());
    leftImage.setEffect(transformLeft);
    leftImage.setMouseTransparent(true);

    rightImage = new ImageView();
    rightImage.setFitWidth(PREF_PANE_WIDTH);
    rightImage.setFitHeight(SIZE.getHeight());
    rightImage.setEffect(transformRight);
    rightImage.setMouseTransparent(true);

    shadowRect = new Rectangle(SIZE.getWidth() * 0.45, SIZE.getHeight());
    shadowRect.setFill(Color.BLACK);
    shadowRect.setOpacity(SHADOW_OPACITY);
    shadowRect.setEffect(transformRight);

    shadowOverlay = new Pane();
    shadowOverlay.setPrefSize(0, SIZE.getHeight());
    shadowOverlay.setBackground(new Background(new BackgroundFill(Color.BLACK, CornerRadii.EMPTY, Insets.EMPTY)));
    shadowOverlay.getChildren().addAll(leftImage, rightImage, shadowRect);
}
 

import javafx.scene.effect.PerspectiveTransform; //导入依赖的package包/类
List<NamedEffect> getNamedEffectList() {
    List<NamedEffect> nes = new ArrayList<NamedEffect>();
    PerspectiveTransform pt = new PerspectiveTransform();
    pt.setUlx(10);
    pt.setUly(10);
    pt.setUrx(150);
    pt.setUry(50);
    pt.setLrx(150);
    pt.setLry(100);
    pt.setLlx(10);
    pt.setLly(70);
    nes.add(new NamedEffect("perspective", pt));

    return nes;
}
 

import javafx.scene.effect.PerspectiveTransform; //导入依赖的package包/类
private void showEffect() {
	if (showTileEffectProperty.get()) {
		ObservableValue<Double> xConstant = FxConstants.object(mouseX.get());
		ObservableValue<Double> yConstant = FxConstants.object(mouseY.get());
		PerspectiveTransform transform = TilePerspectiveUtils.computeEnd(xConstant, yConstant, widthProperty(), heightProperty(), noEffectPosProperty);
		setEffect(transform);
	}
}