Java Color.color方法代碼示例

import javafx.scene.paint.Color; //導入方法依賴的package包/類
public static final List<Color> createColorPalette(final Color FROM_COLOR, final Color TO_COLOR, final int NO_OF_COLORS) {
    int    steps        = clamp(1, 50, NO_OF_COLORS) - 1;
    double step         = 1.0 / steps;
    double deltaRed     = (TO_COLOR.getRed()     - FROM_COLOR.getRed())     * step;
    double deltaGreen   = (TO_COLOR.getGreen()   - FROM_COLOR.getGreen())   * step;
    double deltaBlue    = (TO_COLOR.getBlue()    - FROM_COLOR.getBlue())    * step;
    double deltaOpacity = (TO_COLOR.getOpacity() - FROM_COLOR.getOpacity()) * step;

    List<Color> palette      = new ArrayList<>(NO_OF_COLORS);
    Color       currentColor = FROM_COLOR;
    palette.add(currentColor);
    for (int i = 0 ; i < steps ; i++) {
        double red     = clamp(0d, 1d, (currentColor.getRed()     + deltaRed));
        double green   = clamp(0d, 1d, (currentColor.getGreen()   + deltaGreen));
        double blue    = clamp(0d, 1d, (currentColor.getBlue()    + deltaBlue));
        double opacity = clamp(0d, 1d, (currentColor.getOpacity() + deltaOpacity));
        currentColor   = Color.color(red, green, blue, opacity);
        palette.add(currentColor);
    }
    return palette;
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
private void draw(final int LIMIT, final double RESOLUTION) {
    int limit        = LIMIT > points.size() ? points.size() : LIMIT + 1;
    double pixelSize = 2 * RESOLUTION;

    ctx.clearRect(0, 0, width, height);

    for (double y = 0 ; y < height ; y += RESOLUTION) {
        for (double x = 0 ; x < width ; x += RESOLUTION) {
            double value = getValueAt(limit, x, y);
            if (value != -255) {
                Color          color    = getUseColorMapping() ? getColorForValue(value) : getColorForValue(value, isDiscreteColors());
                RadialGradient gradient = new RadialGradient(0, 0, x, y, RESOLUTION,
                                                             false, CycleMethod.NO_CYCLE,
                                                             new Stop(0, Color.color(color.getRed(), color.getGreen(), color.getBlue(), getHeatMapOpacity())),
                                                             new Stop(1, Color.color(color.getRed(), color.getGreen(), color.getBlue(), 0.0)));
                ctx.setFill(gradient);
                ctx.fillOval(x - RESOLUTION, y - RESOLUTION, pixelSize, pixelSize);
            }
        }
    }
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
/**
 * Helper function to convert a color in sRGB space to linear RGB space.
 */
public static Color convertSRGBtoLinearRGB(Color color) {
    double[] colors = new double[] { color.getRed(), color.getGreen(), color.getBlue() };
    for (int i=0; i<colors.length; i++) {
        if (colors[i] <= 0.04045) {
            colors[i] = colors[i] / 12.92;
        } else {
            colors[i] = Math.pow((colors[i] + 0.055) / 1.055, 2.4);
        }
    }
    return Color.color(colors[0], colors[1], colors[2], color.getOpacity());
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
/**
 * Helper function to convert a color in linear RGB space to SRGB space.
 */
public static Color convertLinearRGBtoSRGB(Color color) {
    double[] colors = new double[] { color.getRed(), color.getGreen(), color.getBlue() };
    for (int i=0; i<colors.length; i++) {
        if (colors[i] <= 0.0031308) {
            colors[i] = colors[i] * 12.92;
        } else {
            colors[i] = (1.055 * Math.pow(colors[i], (1.0 / 2.4))) - 0.055;
        }
    }
    return Color.color(colors[0], colors[1], colors[2], color.getOpacity());
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
public static final Color getColorWithOpacity(final Color COLOR, final double OPACITY) {
    double red     = COLOR.getRed();
    double green   = COLOR.getGreen();
    double blue    = COLOR.getBlue();
    double opacity = clamp(0, 1, OPACITY);
    return Color.color(red, green, blue, opacity);
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
public DragBox(double x, double y, double w, double h, SHAPE.TYPE type, double rotate, double strokenWidth,
               double a, double r, double g, double b, double fa, double fr, double fg, double fb) {
    Width.set(w);
    Height.set(h);
    X = new SimpleDoubleProperty(x);
    Y = new SimpleDoubleProperty(y);
    this.rotate = rotate;
    this.strokeWidth = strokenWidth;
    this.type = type;
    paintFill = Color.color(fr, fg, fb, fa);
    paintStroke = Color.color(r, g, b, a);
    isLoadFromfile = true;
    isCopy = false;
    init();
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
/**
 * Generates a random {@link ColorAdjust} the a ship.
 * @return The new color for the ship.
 */
public static ColorAdjust randomColor(){
    ColorAdjust blackout = new ColorAdjust();
    Color color = Color.color(Math.random(), Math.random(), Math.random());
    System.out.println("color hue: " + color.getHue());
    double hue = map( (color.getHue() + 180) % 360, -1);
    System.out.println("hue: " + hue);
    blackout.setHue(hue);
    return blackout;
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
public static final Color hslToRGB(double hue, double saturation, double luminance) {
    double r, g, b;
    if (Double.compare(saturation, 0) == 0) {
        r = 1;
        b = 1;
        g = 1;
    } else {
        double q = luminance < 0.5 ? luminance * (1 + saturation) : luminance + saturation - luminance * saturation;
        double p = 2 * luminance - q;
        r = clamp(0, 1, hue2RGB(p, q, hue + 0.33));
        g = clamp(0, 1, hue2RGB(p, q, hue));
        b = clamp(0, 1, hue2RGB(p, q, hue - 0.33));
    }
    return Color.color(r, g, b);
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
public static final Color interpolateColor(final Color COLOR1, final Color COLOR2, final double FRACTION, final double TARGET_OPACITY) {
    double fraction       = clamp(0, 1, FRACTION);
    double targetOpacity  = TARGET_OPACITY < 0 ? TARGET_OPACITY : clamp(0, 1, FRACTION);

    final double RED1     = COLOR1.getRed();
    final double GREEN1   = COLOR1.getGreen();
    final double BLUE1    = COLOR1.getBlue();
    final double OPACITY1 = COLOR1.getOpacity();

    final double RED2     = COLOR2.getRed();
    final double GREEN2   = COLOR2.getGreen();
    final double BLUE2    = COLOR2.getBlue();
    final double OPACITY2 = COLOR2.getOpacity();

    final double DELTA_RED     = RED2 - RED1;
    final double DELTA_GREEN   = GREEN2 - GREEN1;
    final double DELTA_BLUE    = BLUE2 - BLUE1;
    final double DELTA_OPACITY = OPACITY2 - OPACITY1;

    double red     = RED1 + (DELTA_RED * fraction);
    double green   = GREEN1 + (DELTA_GREEN * fraction);
    double blue    = BLUE1 + (DELTA_BLUE * fraction);
    double opacity = targetOpacity < 0 ? OPACITY1 + (DELTA_OPACITY * fraction) : targetOpacity;

    red     = clamp(0, 1, red);
    green   = clamp(0, 1, green);
    blue    = clamp(0, 1, blue);
    opacity = clamp(0, 1, opacity);

    return Color.color(red, green, blue, opacity);
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
private Color interpolateColor(final Stop LOWER_BOUND, final Stop UPPER_BOUND, final double POSITION) {
    final double POS  = (POSITION - LOWER_BOUND.getOffset()) / (UPPER_BOUND.getOffset() - LOWER_BOUND.getOffset());

    final double DELTA_RED     = (UPPER_BOUND.getColor().getRed()     - LOWER_BOUND.getColor().getRed())     * POS;
    final double DELTA_GREEN   = (UPPER_BOUND.getColor().getGreen()   - LOWER_BOUND.getColor().getGreen())   * POS;
    final double DELTA_BLUE    = (UPPER_BOUND.getColor().getBlue()    - LOWER_BOUND.getColor().getBlue())    * POS;
    final double DELTA_OPACITY = (UPPER_BOUND.getColor().getOpacity() - LOWER_BOUND.getColor().getOpacity()) * POS;

    double red     = Helper.clamp(0.0, 1.0, (LOWER_BOUND.getColor().getRed() + DELTA_RED));
    double green   = Helper.clamp(0.0, 1.0, (LOWER_BOUND.getColor().getGreen()   + DELTA_GREEN));
    double blue    = Helper.clamp(0.0, 1.0, (LOWER_BOUND.getColor().getBlue()    + DELTA_BLUE));
    double opacity = Helper.clamp(0.0, 1.0, (LOWER_BOUND.getColor().getOpacity() + DELTA_OPACITY));

    return Color.color(red, green, blue, opacity);
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
private Color interpolateColor(final Stop LOWER_BOUND, final Stop UPPER_BOUND, final double POSITION) {
    final double POS = (POSITION - LOWER_BOUND.getOffset()) / (UPPER_BOUND.getOffset() - LOWER_BOUND.getOffset());

    final double DELTA_RED     = (UPPER_BOUND.getColor().getRed()     - LOWER_BOUND.getColor().getRed())     * POS;
    final double DELTA_GREEN   = (UPPER_BOUND.getColor().getGreen()   - LOWER_BOUND.getColor().getGreen())   * POS;
    final double DELTA_BLUE    = (UPPER_BOUND.getColor().getBlue()    - LOWER_BOUND.getColor().getBlue())    * POS;
    final double DELTA_OPACITY = (UPPER_BOUND.getColor().getOpacity() - LOWER_BOUND.getColor().getOpacity()) * POS;

    double red     = Helper.clamp(0.0, 1.0, (LOWER_BOUND.getColor().getRed() + DELTA_RED));
    double green   = Helper.clamp(0.0, 1.0, (LOWER_BOUND.getColor().getGreen()   + DELTA_GREEN));
    double blue    = Helper.clamp(0.0, 1.0, (LOWER_BOUND.getColor().getBlue()    + DELTA_BLUE));
    double opacity = Helper.clamp(0.0, 1.0, (LOWER_BOUND.getColor().getOpacity() + DELTA_OPACITY));

    return Color.color(red, green, blue, opacity);
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
@Override
public void start(Stage primaryStage) throws Exception {
    if (frontier == null) {
        throw new IllegalStateException("GUI launched without frontier");
    }
    formatter = new DecimalFormat("#.##");
    points = new XYChart.Series[frontier.size()];

    primaryStage.setTitle("VNFCP Optimization");
    FXMLLoader loader = new FXMLLoader(
            getClass().getResource("GuiApp.fxml")
    );
    loader.setController(this);
    Parent root = loader.load();
    primaryStage.setScene(new Scene(root));
    root.applyCss();
    root.layout();
    computeColorMinMax();

    // Gradient
    Stop[] stops = new Stop[]{
            new Stop(0, Color.BLACK),
            new Stop(0.8, Color.color(1, 0.63, 0.4)),
            new Stop(1, Color.color(1, 0.78, 0.5))
    };
    LinearGradient lg = new LinearGradient(0, 1, 0, 0, true, CycleMethod.NO_CYCLE, stops);
    colorStops = lg.getStops();
    rect.setFill(lg);

    // LineChart
    xAxis.setLabel("Total Delay");
    xAxis.setForceZeroInRange(false);
    yAxis.setLabel("Total Used CPU");
    yAxis.setForceZeroInRange(false);
    colorLegendLabel.setText("Num. of Hops");

    chart.setTitle("Pareto Frontier [" + frontier.size() + " elements]");

    for (int i = 0; i < frontier.size(); i++) {
        addSolutionToChart(i);
    }

    // Color Labels
    updateColumn2Width();
    colorLegendLabel.textProperty().addListener(observable -> updateColumn2Width());
    minColorValLabel.textProperty().addListener(observable -> updateColumn2Width());
    maxColorValLabel.textProperty().addListener(observable -> updateColumn2Width());

    primaryStage.show();
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
/**
 * Generates a random {@link Color}.
 * @return A new color.
 */
public static Color randomTextColor(){
    Color color = Color.color(Math.random(), Math.random(), Math.random());
    return color;
}