Java Line.setOpacity方法代碼示例

import javafx.scene.shape.Line; //導入方法依賴的package包/類
public void setLine(Line line, double startX, double startY, double endX, double endY, boolean opaque) {
    line.setStartX(startX);
    line.setStartY(startY);
    line.setEndX(endX);
    line.setEndY(endY);
    line.setOpacity(opaque ? 1 : 0);
}
 

import javafx.scene.shape.Line; //導入方法依賴的package包/類
@Override
public void start(Stage primaryStage) {
    double[] values = new double[]{50,166,200,106,94,211,172,133,132,185,152,131,158,180,172,314,262,160};

    //---->Default graph using plotter<----
    LineGraph graph = new LineGraph(400,200, Theme.TRAFFIC);
    graph.setInterval(20);

    //Populating the graph
    for (double value : values) {
        graph.addValue(value);
    }

    graph.render(LineGraph.Render.ALL);

    StackPane background = new StackPane();
    background.setPrefHeight(300);
    background.setPrefWidth(600);
    background.setStyle("-fx-background-color: radial-gradient(center 50% 50%, radius 100%, #2a367f, #1f2756)");

    background.getChildren().add(graph);
    StackPane.setAlignment(graph, Pos.CENTER);

    StackPane axis = new StackPane();
    axis.setMaxSize(500,50);
    Line divider = new Line(50,0,550,0);
    divider.setStroke(Color.WHITE);
    divider.setOpacity(0.3);
    axis.getChildren().add(divider);
    StackPane.setAlignment(divider,Pos.CENTER);
    Label time1 = new Label("8am");
    Label time2 = new Label("5pm");
    time1.setTextFill(Color.WHITE);
    time2.setTextFill(Color.WHITE);
    time1.setOpacity(0.5);
    time2.setOpacity(0.5);
    time1.setFont(Font.font("Calibri",16));
    time2.setFont(Font.font("Calibri",16));
    axis.getChildren().addAll(time1,time2);
    StackPane.setAlignment(time1,Pos.BOTTOM_LEFT);
    StackPane.setMargin(time1, new Insets(0,0,0,30));
    StackPane.setAlignment(time2, Pos.BOTTOM_RIGHT);
    StackPane.setMargin(time2, new Insets(0,30,0,0));

    background.getChildren().add(axis);
    StackPane.setAlignment(axis, Pos.BOTTOM_CENTER);
    StackPane.setMargin(axis, new Insets(0,0,40,0));

    primaryStage.setScene(new Scene(background));
    primaryStage.setTitle("Traffic");
    primaryStage.show();
}
 

import javafx.scene.shape.Line; //導入方法依賴的package包/類
public DayViewSkin(T view) {
    super(view);

    earlyHoursRegion = new Region();
    earlyHoursRegion.setMouseTransparent(true);
    earlyHoursRegion.getStyleClass().add("early-hours-region"); //$NON-NLS-1$
    earlyHoursRegion.setManaged(false);
    getChildren().add(earlyHoursRegion);

    lateHoursRegion = new Region();
    lateHoursRegion.setMouseTransparent(true);
    lateHoursRegion.getStyleClass().add("late-hours-region"); //$NON-NLS-1$
    lateHoursRegion.setManaged(false);
    getChildren().add(lateHoursRegion);

    for (int i = 1; i < 24; i++) {
        createLine("half-hour-line"); //$NON-NLS-1$
        createLine("full-hour-line"); //$NON-NLS-1$
    }

    createLine("half-hour-line"); //$NON-NLS-1$

    currentTimeCircle = new Circle(4);
    currentTimeCircle.getStyleClass().add("current-time-circle"); //$NON-NLS-1$
    currentTimeCircle.setManaged(false);
    currentTimeCircle.setMouseTransparent(true);
    currentTimeCircle.setOpacity(0);
    currentTimeCircle.visibleProperty().bind(view.enableCurrentTimeMarkerProperty());
    getChildren().add(currentTimeCircle);

    currentTimeLine = new Line();
    currentTimeLine.getStyleClass().add("current-time-line"); //$NON-NLS-1$
    currentTimeLine.setManaged(false);
    currentTimeLine.setMouseTransparent(true);
    currentTimeLine.setOpacity(0);
    currentTimeLine.visibleProperty().bind(view.enableCurrentTimeMarkerProperty());
    getChildren().add(currentTimeLine);

    if (!(this instanceof WeekDayViewSkin)) {
        /*
         * Dragging inside week day views will be handled by a drag controller
         * installed on the week view, not on the individual days.
         */
        new DayViewEditController(view);
    }

    setupCurrentTimeMarkerSupport();

    view.draggedEntryProperty().addListener(it -> addOrRemoveDraggedEntryView());

    view.showCurrentTimeMarkerProperty().addListener(it -> updateTimelineVisibility());
    view.showCurrentTimeTodayMarkerProperty().addListener(it -> updateTimelineVisibility());

    view.layoutProperty().addListener(it -> view.requestLayout());

    updateShowMarkers();
    updateTimelineVisibility();

    view.dateProperty().addListener(it -> {
        if (displayedDate == null || !displayedDate.equals(view.getDate())) {
            loadData("date changed");
        }
    });

    view.suspendUpdatesProperty().addListener(evt -> loadData("suspend updates was set to false"));
    view.getCalendars().addListener((javafx.beans.Observable obs) -> loadData("list of calendars changed"));

    updateLineStyling();

    final InvalidationListener styleLinesListener = it -> updateLineStyling();
    view.startTimeProperty().addListener(styleLinesListener);
    view.endTimeProperty().addListener(styleLinesListener);
    view.earlyLateHoursStrategyProperty().addListener(styleLinesListener);

    loadData("initial data loading");
}