ComplexClip

LinkedCirclesGraphic.java

    private void applyClip() {
        ReadOnlyObjectProperty<Bounds> boundsProperty = layoutBoundsProperty();

        Rectangle rect = new Rectangle();
        rect.setManaged(false);
        rect.layoutXProperty().bind(Bindings.createDoubleBinding(() -> boundsProperty.get().getMinX(), boundsProperty));
        rect.layoutYProperty().bind(Bindings.createDoubleBinding(() -> boundsProperty.get().getMinY(), boundsProperty));
        rect.widthProperty().bind(Bindings.createDoubleBinding(() -> boundsProperty.get().getWidth(), boundsProperty));
        rect.heightProperty().bind(Bindings.createDoubleBinding(() -> boundsProperty.get().getHeight(), boundsProperty));
        rect.setFill(Color.BLACK);

        Shape clip1 = rect;
        Shape clip2 = rect;
        Shape clip3 = rect;
        Shape clip4 = rect;

        for (int i = 0; i < getPoints().size(); i++) {
            PointEntry pointEntry = pointEntries.size() > i ? pointEntries.get(i) : null;
            if (pointEntry != null) {
                Ellipse ellipse = pointEntry.ellipse;

                Ellipse clipEllipse = new Ellipse();
                clipEllipse.setStrokeWidth(ellipse.getStrokeWidth());
                clipEllipse.setRadiusX(ellipse.getRadiusX() * ellipse.getScaleX());
                clipEllipse.setRadiusY(ellipse.getRadiusY() * ellipse.getScaleY());
                clipEllipse.setCenterX(ellipse.getCenterX());
                clipEllipse.setCenterY(ellipse.getCenterY());
                clipEllipse.setFill(Color.BLACK);

                clip1 = Shape.subtract(clip1, clipEllipse);
                clip2 = Shape.subtract(clip2, clipEllipse);
                clip3 = Shape.subtract(clip3, clipEllipse);
                clip4 = Shape.subtract(clip4, clipEllipse);
            }
        }

        path.setClip(clip1);
        pathShadow.setClip(clip2);
        animatedPath.setClip(clip3);
        animatedPathShadow.setClip(clip4);
    }