Package javafx.scene.paint

Examples of javafx.scene.paint.Stop

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    private void adjustBackgroundColor() {
        Color color = gradientLookup.getColorAt(getSkinnable().getValue() / (getSkinnable().getMaxValue() - getSkinnable().getMinValue()));
        background.setFill(new LinearGradient(0, 0, 0, size,
                                              false, CycleMethod.NO_CYCLE,
                                              new Stop(0, color.deriveColor(0, 1, 0.8, 1)),
                                              new Stop(1, color.deriveColor(0, 1, 0.6, 1))));                       
    }
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        if (isFrameVisible()) { //frame
            Paint frame = new LinearGradient(0.14 * size, 0.14 * size,
                                             0.84 * size, 0.84 * size,
                                             false, CycleMethod.NO_CYCLE,
                                             new Stop(0.0, Color.rgb(20, 20, 20, 0.65)),
                                             new Stop(0.15, Color.rgb(20, 20, 20, 0.65)),
                                             new Stop(0.26, Color.rgb(41, 41, 41, 0.65)),
                                             new Stop(0.26, Color.rgb(41, 41, 41, 0.64)),
                                             new Stop(0.85, Color.rgb(200, 200, 200, 0.41)),
                                             new Stop(1.0, Color.rgb(200, 200, 200, 0.35)));
            ctx.setFill(frame);
            ctx.fillOval(0, 0, size, size);
        }

        InnerShadow innerShadow = new InnerShadow(BlurType.TWO_PASS_BOX, Color.rgb(0, 0, 0, 0.65), 0.07 * size, 0, 0, 0);
        if (isOn()) { //on
            ctx.save();
            Paint on = new LinearGradient(0.25 * size, 0.25 * size,
                                          0.74 * size, 0.74 * size,
                                          false, CycleMethod.NO_CYCLE,
                                          new Stop(0.0, ((Color)ledColor.get()).deriveColor(0d, 1d, 0.77, 1d)),
                                          new Stop(0.49, ((Color)ledColor.get()).deriveColor(0d, 1d, 0.5, 1d)),
                                          new Stop(1.0, ((Color)ledColor.get())));
            innerShadow.setInput(new DropShadow(BlurType.TWO_PASS_BOX, (Color)ledColor.get(), 0.36 * size, 0, 0, 0));
            ctx.setEffect(innerShadow);
            ctx.setFill(on);
            ctx.fillOval(0.14 * size, 0.14 * size, 0.72 * size, 0.72 * size);
            ctx.restore();
        } else { // off
            ctx.save();
            Paint off = new LinearGradient(0.25 * size, 0.25 * size,
                                           0.74 * size, 0.74 * size,
                                           false, CycleMethod.NO_CYCLE,
                                           new Stop(0.0, ((Color)ledColor.get()).deriveColor(0d, 1d, 0.20, 1d)),
                                           new Stop(0.49, ((Color)ledColor.get()).deriveColor(0d, 1d, 0.13, 1d)),
                                           new Stop(1.0, ((Color)ledColor.get()).deriveColor(0d, 1d, 0.2, 1d)));
            ctx.setEffect(innerShadow);
            ctx.setFill(off);
            ctx.fillOval(0.14 * size, 0.14 * size, 0.72 * size, 0.72 * size);
            ctx.restore();
        }

        //highlight
        Paint highlight = new RadialGradient(0, 0,
                                             0.3 * size, 0.3 * size,
                                             0.29 * size,
                                             false, CycleMethod.NO_CYCLE,
                                             new Stop(0.0, Color.WHITE),
                                             new Stop(1.0, Color.TRANSPARENT));
        ctx.setFill(highlight);
        ctx.fillOval(0.21 * size, 0.21 * size, 0.58 * size, 0.58 * size);
    }
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                                       .thresholdVisible(true)
                                       .build();
        control.setBarGradientEnabled(true);

        List<Stop> stops = new ArrayList<>();
        stops.add(new Stop(0.0, Color.BLUE));
        //stops.add(new Stop(0.31, Color.CYAN));
        //stops.add(new Stop(0.5, Color.LIME));
        //stops.add(new Stop(0.69, Color.YELLOW));
        stops.add(new Stop(1.0, Color.RED));
        control.setBarGradient(stops);

        lastTimerCall = System.nanoTime() + 2_000_000_000l;
        timer = new AnimationTimer() {
            @Override public void handle(long now) {
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        font = Font.loadFont(getClass().getResourceAsStream("/eu/hansolo/enzo/fonts/droidsansmono.ttf"), PREFERRED_HEIGHT);

        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);

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        double flapHeight = flapTextFront.getHeight();

        upperTextFill = new LinearGradient(0, 0,
                                           0, flapHeight,
                                           false, CycleMethod.NO_CYCLE,
                                           new Stop(0.0, getSkinnable().getTextColor().brighter().brighter()),
                                           new Stop(0.99, getSkinnable().getTextColor()),
                                           new Stop(1.0, getSkinnable().getTextColor().darker()));

        lowerTextFill = new LinearGradient(0, 0,
                                           0, flapHeight,
                                           false, CycleMethod.NO_CYCLE,
                                           new Stop(0.0, getSkinnable().getTextColor().brighter().brighter()),
                                           new Stop(0.01, getSkinnable().getTextColor().brighter()),
                                           new Stop(1.0, getSkinnable().getTextColor()));

        // set the text on the upper background
        ctxUpperBackgroundText.clearRect(0, 0, flapWidth, flapHeight);
        ctxUpperBackgroundText.setFill(upperTextFill);
        //ctxUpperBackgroundText.fillText(selectedSet.get(nextSelectionIndex), width * 0.5, height * 0.55);
        ctxUpperBackgroundText.fillText(selectedSet.get(nextSelectionIndex), width * 0.5, height * 0.5);

        // set the text on the lower background
        ctxLowerBackgroundText.clearRect(0, 0, flapWidth, flapHeight);
        ctxLowerBackgroundText.setFill(lowerTextFill);
        //ctxLowerBackgroundText.fillText(selectedSet.get(currentSelectionIndex), width * 0.5, height * 0.041);
        ctxLowerBackgroundText.fillText(selectedSet.get(currentSelectionIndex), width * 0.5, 0);

        // set the text on the flap front
        ctxTextFront.clearRect(0, 0, flapWidth, flapHeight);
        ctxTextFront.setFill(upperTextFill);
        //ctxTextFront.fillText(selectedSet.get(currentSelectionIndex), width * 0.5, height * 0.55);
        ctxTextFront.fillText(selectedSet.get(currentSelectionIndex), width * 0.5, height * 0.5);

        // set the text on the flap back
        ctxTextBack.clearRect(0, 0, flapWidth, flapHeight);
        ctxTextBack.setFill(new LinearGradient(0, 0,
                                               0, -flapHeight,
                                               false, CycleMethod.NO_CYCLE,
                                               new Stop(0.0, getSkinnable().getTextColor().brighter().brighter()),
                                               new Stop(0.99, getSkinnable().getTextColor().brighter()),
                                               new Stop(1.0, getSkinnable().getTextColor())));
        ctxTextBack.save();
        ctxTextBack.scale(1,-1);
        //ctxTextBack.fillText(selectedSet.get(nextSelectionIndex), width * 0.5, -height * 0.45);
        ctxTextBack.fillText(selectedSet.get(nextSelectionIndex), width * 0.5, -height * 0.5);
        ctxTextBack.restore();
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        for (Double fraction : stops.keySet()) {
            minFraction = Math.min(fraction, minFraction);
            maxFraction = Math.max(fraction, maxFraction);
        }
        if (minFraction > 0) {
            stops.put(0.0, new Stop(0.0, stops.get(minFraction).getColor()));
        }
        if (maxFraction < 1){
            stops.put(1.0, new Stop(1.0, stops.get(maxFraction).getColor()));
        }
    }
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        final Color COLOR;
        if (stops.size() == 1) {
            final Map<Double, Color> ONE_ENTRY = (Map<Double, Color>) stops.entrySet().iterator().next();
            COLOR = stops.get(ONE_ENTRY.keySet().iterator().next()).getColor();
        } else {
            Stop lowerBound = stops.get(0.0);
            Stop upperBound = stops.get(1.0);
            for (Double fraction : stops.keySet()) {
                if (Double.compare(fraction,POSITION) < 0) {
                    lowerBound = stops.get(fraction);
                }
                if (Double.compare(fraction, POSITION) > 0) {
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    public EllipticalGradient(final List<Stop> STOPS) {
        List<Stop> stops;
        if (STOPS == null || STOPS.isEmpty()) {
            stops = new ArrayList<Stop>();
            stops.add(new Stop(0.0, Color.TRANSPARENT));
            stops.add(new Stop(1.0, Color.TRANSPARENT));
        } else {
            stops = STOPS;
        }

        HashMap<Double, Color> stopMap = new LinkedHashMap<Double, Color>(stops.size());
        for (Stop stop : stops) {
            stopMap.put(stop.getOffset(), stop.getColor());
        }

        sortedStops = new LinkedList<Stop>();
        final SortedSet<Double> sortedFractions = new TreeSet<Double>(stopMap.keySet());
        if (sortedFractions.last() < 1) {
            stopMap.put(1.0, stopMap.get(sortedFractions.last()));
            sortedFractions.add(1.0);
        }
        if (sortedFractions.first() > 0) {
            stopMap.put(0.0, stopMap.get(sortedFractions.first()));
            sortedFractions.add(0.0);
        }
        for (final Double FRACTION : sortedFractions) {
            sortedStops.add(new Stop(FRACTION, stopMap.get(FRACTION)));
        }
    }
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        double offset = Util.clamp(0, 1, OFFSET);
        center = CENTER;
        List<Stop> stops;
        if (STOPS == null || STOPS.isEmpty()) {
            stops = new ArrayList<Stop>();
            stops.add(new Stop(0.0, Color.TRANSPARENT));
            stops.add(new Stop(1.0, Color.TRANSPARENT));
        } else {
            stops = STOPS;
        }

        HashMap<Double, Color> stopMap = new LinkedHashMap<Double, Color>(stops.size());
        for (Stop stop : stops) {
            stopMap.put(stop.getOffset(), stop.getColor());
        }

        sortedStops = new LinkedList<Stop>();
        final SortedSet<Double> sortedFractions = new TreeSet<Double>(stopMap.keySet());
        if (sortedFractions.last() < 1) {
            stopMap.put(1.0, stopMap.get(sortedFractions.first()));
            sortedFractions.add(1.0);
        }
        if (sortedFractions.first() > 0) {
            stopMap.put(0.0, stopMap.get(sortedFractions.last()));
            sortedFractions.add(0.0);
        }
        for (final Double FRACTION : sortedFractions) {
            sortedStops.add(new Stop(FRACTION, stopMap.get(FRACTION)));
        }
        if (offset > 0) {
            recalculate(offset);
        }
    }
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    // ******************** Methods *******************************************
    private void recalculate(double offset) {
        offset = Util.clamp(0, 1, offset);
        List<Stop> stops = new ArrayList<Stop>(sortedStops.size());
        Stop lastStop = null;
        for (Stop stop : sortedStops) {
            double newOffset = stop.getOffset() + offset;
            if (newOffset > 1) {
                newOffset -= 1.000001;
                if (lastStop == null) {
                    continue;
                }
                stops.add(new Stop(0.0, (Color) Interpolator.LINEAR.interpolate(lastStop.getColor(), stop.getColor(), (1.0 - offset))));
                stops.add(new Stop(1.0, (Color) Interpolator.LINEAR.interpolate(lastStop.getColor(), stop.getColor(), (1.0 - offset))));
            }
            stops.add(new Stop(newOffset, stop.getColor()));
            lastStop = stop;
        }

        HashMap<Double, Color> stopMap = new LinkedHashMap<Double, Color>(stops.size());
        for (Stop stop : stops) {
            stopMap.put(stop.getOffset(), stop.getColor());
        }

        List<Stop> sortedStops2 = new LinkedList<Stop>();
        SortedSet<Double> sortedFractions = new TreeSet<Double>(stopMap.keySet());
        if (sortedFractions.last() < 1) {
            stopMap.put(1.0, stopMap.get(sortedFractions.first()));
            sortedFractions.add(1.0);
        }
        if (sortedFractions.first() > 0) {
            stopMap.put(0.0, stopMap.get(sortedFractions.last()));
            sortedFractions.add(0.0);
        }
        for (Double fraction : sortedFractions) {
            sortedStops2.add(new Stop(fraction, stopMap.get(fraction)));
        }
        sortedStops.clear();
        sortedStops.addAll(sortedStops2);
    }
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