Java Color.getBlue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
/**
 * 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
/**
 * Copy pixels from image to byte array.
 *
 * @param argbData  the argb pixels data.
 * @param imageData the bytes pixels data.
 */
private void copyColorToBytes(final int[] argbData, final byte[] imageData) {

    if (argbData.length * BYTES_PER_PIXEL != imageData.length) {
        throw new ArrayIndexOutOfBoundsException();
    }

    final Color overrideColor = OVERRIDE_COLOR.get();

    for (int i = 0; i < argbData.length; i++) {

        final int argb = argbData[i];

        int alpha = argb >>> 24;
        int red = (argb >> 16) & 0xff;
        int green = (argb >> 8) & 0xff;
        int blue = (argb) & 0xff;

        if (overrideColor != null) {
            red = (int) (overrideColor.getRed() * 255);
            green = (int) (overrideColor.getGreen() * 255);
            blue = (int) (overrideColor.getBlue() * 255);
        }

        int dataOffset = BYTES_PER_PIXEL * i;
        imageData[dataOffset] = (byte) red;
        imageData[dataOffset + 1] = (byte) green;
        imageData[dataOffset + 2] = (byte) blue;
        imageData[dataOffset + 3] = (byte) alpha;
    }
}
 

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
private static String rgbColor(Color color) {
    final int r = (int) (color.getRed()*255);
    final int g = (int) (color.getGreen()*255);
    final int b = (int) (color.getBlue()*255);
    final double a = color.getOpacity();
    return String.format("rgba(\"%d, %d, %d, %1.1f\")", r ,g, b, a);
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
private static String getWebColor(Color color) {
    final int red = (int)(color.getRed()*255);
    final int green = (int)(color.getGreen()*255);
    final int blue = (int)(color.getBlue()*255);
    return "#" + String.format("%02X", red) +
                      String.format("%02X", green) +
                      String.format("%02X", blue);
}
 

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
/**
 * Convert a color from {@link Color} to {@link ColorRGBA}.
 *
 * @param color the color
 * @return the jme color
 */
@FXThread
public static @Nullable ColorRGBA from(@Nullable final Color color) {
    if (color == null) return null;
    return new ColorRGBA((float) color.getRed(), (float) color.getGreen(),
            (float) color.getBlue(), (float) color.getOpacity());
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
private String createRGBString(Color c) {
    return "-fx-base: rgb(" + (c.getRed() * 255) + "," + (c.getGreen() * 255) + "," + (c.getBlue() * 255) + ");";
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
public SColor(Color color) {
	this.red = color.getRed();
	this.green = color.getGreen();
	this.blue = color.getBlue();
	this.alpha = color.getOpacity();
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
public void setVal(Color color) {
	this.red = color.getRed();
	this.green = color.getGreen();
	this.blue = color.getBlue();
	this.alpha = color.getOpacity();
}
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
private Color updateUI(double hue, double saturation, double brightness, double alpha) {

        // Position the picker dot
        double xSat = picker_region.getWidth() * saturation; // Saturation is on x axis
        double yBri = picker_region.getHeight() * (1.0 - brightness); // Brightness is on y axis (reversed as white is top)
        double xPos = (picker_region.getBoundsInParent().getMinX() + xSat) - picker_handle_stackpane.getWidth() / 2;
        double yPos = (picker_region.getBoundsInParent().getMinY() + yBri) - picker_handle_stackpane.getHeight() / 2;
        xPos = ColorEncoder.clamp(xPos, 0, picker_region.getPrefWidth() - (picker_handle_stackpane.getWidth()));
        yPos = ColorEncoder.clamp(yPos, 0, picker_region.getPrefHeight() - (picker_handle_stackpane.getHeight()));
        picker_handle_stackpane.setLayoutX(xPos);
        picker_handle_stackpane.setLayoutY(yPos);

        // update the HSB values so they are within range
        saturation = ColorEncoder.clamp(0, saturation, 1);
        brightness = ColorEncoder.clamp(0, brightness, 1);
      //  alpha = PaintPickerController.clamp(0, alpha, 1);

        // make an rgb color from the hsb
        final Color color = Color.hsb(hue, saturation, brightness, alpha);
        int red = (int) (color.getRed() * 255);
        int green = (int) (color.getGreen() * 255);
        int blue = (int) (color.getBlue() * 255);

        String hexa = ColorEncoder.encodeColor(color);

        // Set TextFields value
        hue_textfield.setText(String.valueOf((int) hue));
        saturation_textfield.setText(String.valueOf((int) (saturation * 100)));
        brightness_textfield.setText(String.valueOf((int) (brightness * 100)));

        alpha_textfield.setText(Double.toString(alpha));
        red_textfield.setText(Integer.toString(red));
        green_textfield.setText(Integer.toString(green));
        blue_textfield.setText(Integer.toString(blue));
        hexa_textfield.setText(hexa.toUpperCase());

        final String chipStyle = "-fx-background-color: " + hexa; //NOI18N
        chip_region.setStyle(chipStyle);
        picker_handle_chip_circle.setFill(Color.rgb(red, green, blue));
        final String alphaChipStyle = "-fx-background-color: " //NOI18N
                + "linear-gradient(to right, transparent, " + hexa + ")"; //NOI18N
        alpha_slider.setAlphaChipCSS(alphaChipStyle);

        // Set the background color of the picker region
        // (force saturation and brightness to 100% - don't add opacity)
        final String pickerRegionStyle = "-fx-background-color: hsb(" //NOI18N
                + hue + ", 100%, 100%, 1.0);"; //NOI18N
        picker_region.setStyle(pickerRegionStyle);

        return color;
    }
 

import javafx.scene.paint.Color; //導入方法依賴的package包/類
public Light(Color color) {
	this(color.getRed(), color.getGreen(), color.getBlue(), color.getOpacity());
}