Package javafx.scene.canvas

Examples of javafx.scene.canvas.Canvas

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    }

    private void initGraphics() {
        Font.loadFont(getClass().getResourceAsStream("/eu/hansolo/enzo/fonts/opensans-semibold.ttf"), (0.06 * PREFERRED_HEIGHT)); // "OpenSans"

        canvasBkg = new Canvas(PREFERRED_WIDTH, PREFERRED_HEIGHT);
        ctxBkg    = canvasBkg.getGraphicsContext2D();

        canvasFg  = new Canvas(PREFERRED_WIDTH, PREFERRED_HEIGHT);
        ctxFg     = canvasFg.getGraphicsContext2D();

        pane      = new Pane();
        pane.getChildren().setAll(canvasBkg, canvasFg);

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        upperTextFill = new LinearGradient(0, 0,
                                           0, flapHeight,
                                           false, CycleMethod.NO_CYCLE,
                                           new Stop(0.0, getSkinnable().getTextColor()),
                                           new Stop(1.0, getSkinnable().getTextColor().darker()));
        upperBackgroundText    = new Canvas();
        ctxUpperBackgroundText = upperBackgroundText.getGraphicsContext2D();
        ctxUpperBackgroundText.setTextBaseline(VPos.CENTER);
        ctxUpperBackgroundText.setTextAlign(TextAlignment.CENTER);

        lowerBackground = new Region();
        lowerBackground.setEffect(innerHighlight);

        lowerTextFill = new LinearGradient(0, 0.5079365079365079 * PREFERRED_HEIGHT,
                                           0, 0.5079365079365079 * PREFERRED_HEIGHT + flapHeight,
                                           false, CycleMethod.NO_CYCLE,
                                           new Stop(0.0, getSkinnable().getTextColor().darker()),
                                           new Stop(1.0, getSkinnable().getTextColor()));
        lowerBackgroundText    = new Canvas();
        ctxLowerBackgroundText = lowerBackgroundText.getGraphicsContext2D();
        ctxLowerBackgroundText.setTextBaseline(VPos.CENTER);
        ctxLowerBackgroundText.setTextAlign(TextAlignment.CENTER);

        flap = new Region();
        flap.setEffect(innerHighlight);
        flap.getTransforms().add(rotateFlap);

        flapTextFront = new Canvas();
        flapTextFront.getTransforms().add(rotateFlap);
        ctxTextFront  = flapTextFront.getGraphicsContext2D();
        ctxTextFront.setTextBaseline(VPos.CENTER);
        ctxTextFront.setTextAlign(TextAlignment.CENTER);

        flapTextBack  = new Canvas();
        flapTextBack.getTransforms().add(rotateFlap);
        flapTextBack.setOpacity(0);
        ctxTextBack   = flapTextBack.getGraphicsContext2D();
        ctxTextBack.setTextBaseline(VPos.CENTER);
        ctxTextBack.setTextAlign(TextAlignment.CENTER);
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    }

    private void renderMethodNode(ProfileNode profileNode, boolean empty) {
        if (!empty && isVisible()) {
            setText(renderMethod(profileNode.getMethod()));
            Canvas canvas = new Canvas(IMAGE_WIDTH, IMAGE_HEIGHT);
            GraphicsContext context = canvas.getGraphicsContext2D();
            context.setFill(Color.BLACK);
            context.strokeRect(0, 0, IMAGE_WIDTH, IMAGE_HEIGHT);

            double timeShare = profileNode.getTotalTimeShare();
            double scaledShare = timeShare * IMAGE_WIDTH;
 
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        if (timeShare == null) {
            setText("");
        } else {
            final double scaledShare = timeShare * width;

            Canvas canvas = new Canvas(width, height);
            GraphicsContext context = canvas.getGraphicsContext2D();
            context.setFill(timeTakenColor);
            context.fillRect(0, 0, scaledShare, height);
            setGraphic(canvas);
        }
    }
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        stage = primaryStage;

        primaryStage.setTitle("Hello World!");

        Group root = new Group();
        final Canvas canvas = new Canvas(width, height);
        final GraphicsContext gc = canvas.getGraphicsContext2D();

        VBox vBox = new VBox();
        vBox.getChildren().addAll(canvas);

        root.getChildren().add(vBox);
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     * Conical canvas gradient related utilities                              *
     *                                                                        *
     *************************************************************************/

    public static Canvas createConicalGradient(final Shape SHAPE, final Stop[] STOPS, final double ROTATION_OFFSET) {
                final Canvas CANVAS = new Canvas(SHAPE.getLayoutBounds().getWidth(), SHAPE.getLayoutBounds().getHeight());
                createConicalGradient(CANVAS, SHAPE, STOPS, ROTATION_OFFSET);
                return CANVAS;
            }
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     *************************************************************************/

    public static ImagePattern createCarbonPattern() {
        final double WIDTH        = 12;
        final double HEIGHT       = 12;
        final Canvas CANVAS       = new Canvas(WIDTH, HEIGHT);
        final GraphicsContext CTX = CANVAS.getGraphicsContext2D();

        double offsetY = 0;

        // RULB
        CTX.beginPath();
        CTX.rect(0, 0, WIDTH * 0.5, HEIGHT * 0.5);
        CTX.closePath();

        CTX.setFill(new LinearGradient(0, offsetY * HEIGHT,
                                       0, 0.5 * HEIGHT + offsetY * HEIGHT,
                                       false, CycleMethod.NO_CYCLE,
                                       new Stop(0, Color.rgb(35, 35, 35)),
                                       new Stop(1, Color.rgb(23, 23, 23))));
        CTX.fill();

        // RULF
        CTX.beginPath();
        CTX.rect(WIDTH * 0.083333, 0, WIDTH * 0.333333, HEIGHT * 0.416666);
        CTX.closePath();
        offsetY = 0;
        CTX.setFill(new LinearGradient(0, offsetY * HEIGHT,
                                       0, 0.416666 * HEIGHT + offsetY * HEIGHT,
                                       false, CycleMethod.NO_CYCLE,
                                       new Stop(0, Color.rgb(38, 38, 38)),
                                       new Stop(1, Color.rgb(30, 30, 30))));
        CTX.fill();

        // RLRB
        CTX.beginPath();
        CTX.rect(WIDTH * 0.5, HEIGHT * 0.5, WIDTH * 0.5, HEIGHT * 0.5);
        CTX.closePath();
        offsetY = 0.5;
        CTX.setFill(new LinearGradient(0, offsetY * HEIGHT,
                                       0, 0.5 * HEIGHT + offsetY * HEIGHT,
                                       false, CycleMethod.NO_CYCLE,
                                       new Stop(0, Color.rgb(35, 35, 35)),
                                       new Stop(1, Color.rgb(23, 23, 23))));
        CTX.fill();

        // RLRF
        CTX.beginPath();
        CTX.rect(WIDTH * 0.583333, HEIGHT * 0.5, WIDTH * 0.333333, HEIGHT * 0.416666);
        CTX.closePath();
        offsetY = 0.5;
        CTX.setFill(new LinearGradient(0, offsetY * HEIGHT,
                                       0, 0.416666 * HEIGHT + offsetY * HEIGHT,
                                       false, CycleMethod.NO_CYCLE,
                                       new Stop(0, Color.rgb(38, 38, 38)),
                                       new Stop(1, Color.rgb(30, 30, 30))));
        CTX.fill();

        // RURB
        CTX.beginPath();
        CTX.rect(WIDTH * 0.5, 0, WIDTH * 0.5, HEIGHT * 0.5);
        CTX.closePath();
        offsetY = 0;
        CTX.setFill(new LinearGradient(0, offsetY * HEIGHT,
                                       0, 0.5 * HEIGHT + offsetY * HEIGHT,
                                       false, CycleMethod.NO_CYCLE,
                                       new Stop(0, Color.rgb(48, 48, 48)),
                                       new Stop(1, Color.rgb(40, 40, 40))));
        CTX.fill();

        // RURF
        CTX.beginPath();
        CTX.rect(WIDTH * 0.583333, HEIGHT * 0.083333, WIDTH * 0.333333, HEIGHT * 0.416666);
        CTX.closePath();
        offsetY = 0.083333;
        CTX.setFill(new LinearGradient(0, offsetY * HEIGHT,
                                       0, 0.416666 * HEIGHT + offsetY * HEIGHT,
                                       false, CycleMethod.NO_CYCLE,
                                       new Stop(0, Color.rgb(53, 53, 53)),
                                       new Stop(1, Color.rgb(45, 45, 45))));
        CTX.fill();

        // RLLB
        CTX.beginPath();
        CTX.rect(0, HEIGHT * 0.5, WIDTH * 0.5, HEIGHT * 0.5);
        CTX.closePath();
        offsetY = 0.5;
        CTX.setFill(new LinearGradient(0, offsetY * HEIGHT,
                                       0, 0.5 * HEIGHT + offsetY * HEIGHT,
                                       false, CycleMethod.NO_CYCLE,
                                       new Stop(0, Color.rgb(48, 48, 48)),
                                       new Stop(1, Color.rgb(40, 40, 40))));
        CTX.fill();

        // RLLF
        CTX.beginPath();
        CTX.rect(WIDTH * 0.083333, HEIGHT * 0.583333, WIDTH * 0.333333, HEIGHT * 0.416666);
        CTX.closePath();
        offsetY = 0.583333;
        CTX.setFill(new LinearGradient(0, offsetY * HEIGHT,
                                       0, 0.416666 * HEIGHT + offsetY * HEIGHT,
                                       false, CycleMethod.NO_CYCLE,
                                       new Stop(0, Color.rgb(53, 53, 53)),
                                       new Stop(1, Color.rgb(45, 45, 45))));
        CTX.fill();

        final Image PATTERN_IMAGE = CANVAS.snapshot(SNAPSHOT_PARAMETER, null);
        final ImagePattern PATTERN = new ImagePattern(PATTERN_IMAGE, 0, 0, WIDTH, HEIGHT, false);

        return PATTERN;
    }
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    }

    public static ImagePattern createPunchedSheetPattern(final Color TEXTURE_COLOR) {
        final double WIDTH = 15;
        final double HEIGHT = 15;
        final Canvas CANVAS = new Canvas(WIDTH, HEIGHT);
        final GraphicsContext CTX = CANVAS.getGraphicsContext2D();

        // BACK
        CTX.beginPath();
        CTX.rect(0, 0, WIDTH, HEIGHT);
        CTX.closePath();
        //CTX.setFill(Color.rgb(29, 33, 35));
        CTX.setFill(TEXTURE_COLOR);
        CTX.fill();

        // ULB
        CTX.beginPath();
        CTX.moveTo(0, HEIGHT * 0.266666);
        CTX.bezierCurveTo(0, HEIGHT * 0.4, WIDTH * 0.066666, HEIGHT * 0.466666, WIDTH * 0.2, HEIGHT * 0.466666);
        CTX.bezierCurveTo(WIDTH * 0.333333, HEIGHT * 0.466666, WIDTH * 0.4, HEIGHT * 0.4, WIDTH * 0.4, HEIGHT * 0.266666);
        CTX.bezierCurveTo(WIDTH * 0.4, HEIGHT * 0.133333, WIDTH * 0.333333, HEIGHT * 0.066666, WIDTH * 0.2, HEIGHT * 0.066666);
        CTX.bezierCurveTo(WIDTH * 0.066666, HEIGHT * 0.066666, 0, HEIGHT * 0.133333, 0, HEIGHT * 0.266666);
        CTX.closePath();
        CTX.setFill(new LinearGradient(0, 0.066666 * HEIGHT,
                                       0, 0.466666 * HEIGHT,
                                       false, CycleMethod.NO_CYCLE,
                                       new Stop(0, Color.rgb(0, 0, 0)),
                                       new Stop(1, Color.rgb(68, 68, 68))));
        CTX.fill();

        // ULF
        CTX.beginPath();
        CTX.moveTo(0, HEIGHT * 0.2);
        CTX.bezierCurveTo(0, HEIGHT * 0.333333, WIDTH * 0.066666, HEIGHT * 0.4, WIDTH * 0.2, HEIGHT * 0.4);
        CTX.bezierCurveTo(WIDTH * 0.333333, HEIGHT * 0.4, WIDTH * 0.4, HEIGHT * 0.333333, WIDTH * 0.4, HEIGHT * 0.2);
        CTX.bezierCurveTo(WIDTH * 0.4, HEIGHT * 0.066666, WIDTH * 0.333333, 0, WIDTH * 0.2, 0);
        CTX.bezierCurveTo(WIDTH * 0.066666, 0, 0, HEIGHT * 0.066666, 0, HEIGHT * 0.2);
        CTX.closePath();
        CTX.setFill(TEXTURE_COLOR.darker().darker());
        CTX.fill();

        // LRB
        CTX.beginPath();
        CTX.moveTo(WIDTH * 0.466666, HEIGHT * 0.733333);
        CTX.bezierCurveTo(WIDTH * 0.466666, HEIGHT * 0.866666, WIDTH * 0.533333, HEIGHT * 0.933333, WIDTH * 0.666666, HEIGHT * 0.933333);
        CTX.bezierCurveTo(WIDTH * 0.8, HEIGHT * 0.933333, WIDTH * 0.866666, HEIGHT * 0.866666, WIDTH * 0.866666, HEIGHT * 0.733333);
        CTX.bezierCurveTo(WIDTH * 0.866666, HEIGHT * 0.6, WIDTH * 0.8, HEIGHT * 0.533333, WIDTH * 0.666666, HEIGHT * 0.533333);
        CTX.bezierCurveTo(WIDTH * 0.533333, HEIGHT * 0.533333, WIDTH * 0.466666, HEIGHT * 0.6, WIDTH * 0.466666, HEIGHT * 0.733333);
        CTX.closePath();
        CTX.setFill(new LinearGradient(0, 0.533333 * HEIGHT,
                                       0, 0.933333 * HEIGHT,
                                       false, CycleMethod.NO_CYCLE,
                                       new Stop(0, Color.rgb(0, 0, 0)),
                                       new Stop(1, Color.rgb(68, 68, 68))));
        CTX.fill();

        // LRF
        CTX.beginPath();
        CTX.moveTo(WIDTH * 0.466666, HEIGHT * 0.666666);
        CTX.bezierCurveTo(WIDTH * 0.466666, HEIGHT * 0.8, WIDTH * 0.533333, HEIGHT * 0.866666, WIDTH * 0.666666, HEIGHT * 0.866666);
        CTX.bezierCurveTo(WIDTH * 0.8, HEIGHT * 0.866666, WIDTH * 0.866666, HEIGHT * 0.8, WIDTH * 0.866666, HEIGHT * 0.666666);
        CTX.bezierCurveTo(WIDTH * 0.866666, HEIGHT * 0.533333, WIDTH * 0.8, HEIGHT * 0.466666, WIDTH * 0.666666, HEIGHT * 0.466666);
        CTX.bezierCurveTo(WIDTH * 0.533333, HEIGHT * 0.466666, WIDTH * 0.466666, HEIGHT * 0.533333, WIDTH * 0.466666, HEIGHT * 0.666666);
        CTX.closePath();
        CTX.setFill(TEXTURE_COLOR.darker().darker());
        CTX.fill();

        final Image PATTERN_IMAGE = CANVAS.snapshot(SNAPSHOT_PARAMETER, null);
        final ImagePattern PATTERN = new ImagePattern(PATTERN_IMAGE, 0, 0, WIDTH, HEIGHT, false);

        return PATTERN;
    }
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        };
    }

    private void initGraphics() {
        setMouseTransparent(true);
        canvas            = new Canvas(getPrefWidth(), getPrefHeight());
        ctx               = canvas.getGraphicsContext2D();
        DropShadow shadow = new DropShadow();
        shadow.setRadius(3);
        shadow.setColor(Color.rgb(0, 0, 0, 0.3));
        shadow.setBlurType(BlurType.TWO_PASS_BOX);
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    this.parent = parent;
    this.width = width;
    this.height = height;
    this.xAxisTime = xAxisTime;

    canvas = new Canvas(width, height);
    gc = canvas.getGraphicsContext2D();

    initStyle(StageStyle.DECORATED);

    setOnCloseRequest(new EventHandler<WindowEvent>()
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