Example usage for java.awt Color getBlue

Introduction

In this page you can find the example usage for java.awt Color getBlue.

Prototype

public int getBlue()

Source Link

Document

Returns the blue component in the range 0-255 in the default sRGB space.

Usage

From source file:ColorUtil.java

public static final Color mult(Color c, double amount) {
    return c == null ? null
            : new Color(Math.min(255, (int) (c.getRed() * amount)),
                    Math.min(255, (int) (c.getGreen() * amount)), Math.min(255, (int) (c.getBlue() * amount)),
                    c.getAlpha());/*  w w  w  .j a va 2  s.com*/
}

From source file:ColorUtil.java

/**
 * Return the hex name of a specified color.
 * /*w w w . j a v  a2  s .  c  o  m*/
 * @param color  Color to get hex name of.
 * @return       Hex name of color: "rrggbb".
 */
public static String getHexName(Color color) {
    int r = color.getRed();
    int g = color.getGreen();
    int b = color.getBlue();

    String rHex = Integer.toString(r, 16);
    String gHex = Integer.toString(g, 16);
    String bHex = Integer.toString(b, 16);

    return (rHex.length() == 2 ? "" + rHex : "0" + rHex) + (gHex.length() == 2 ? "" + gHex : "0" + gHex)
            + (bHex.length() == 2 ? "" + bHex : "0" + bHex);
}

From source file:org.esa.s2tbx.dataio.s2.l1b.L1bSceneDescription.java

private static Color addAlpha(Color color, int alpha) {
    return new Color(color.getRed(), color.getGreen(), color.getBlue(), alpha);
}

From source file:ch.fork.AdHocRailway.ui.utils.ImageTools.java

public static Image TransformColorToTransparency(BufferedImage image, Color c1, Color c2) {
    // Primitive test, just an example
    final int r1 = c1.getRed();
    final int g1 = c1.getGreen();
    final int b1 = c1.getBlue();
    final int r2 = c2.getRed();
    final int g2 = c2.getGreen();
    final int b2 = c2.getBlue();
    ImageFilter filter = new RGBImageFilter() {
        public final int filterRGB(int x, int y, int rgb) {
            int r = (rgb & 0xFF0000) >> 16;
            int g = (rgb & 0xFF00) >> 8;
            int b = rgb & 0xFF;
            if (r >= r1 && r <= r2 && g >= g1 && g <= g2 && b >= b1 && b <= b2) {
                // Set fully transparent but keep color
                return rgb & 0xFFFFFF;
            }/*  w  w  w  . j ava  2s.c o  m*/
            return rgb;
        }
    };

    ImageProducer ip = new FilteredImageSource(image.getSource(), filter);
    return Toolkit.getDefaultToolkit().createImage(ip);
}

From source file:edu.ku.brc.ui.GradiantButton.java

/**
* Generate the alpha version of this color
* @param color the color in question/*from   w  ww .  j  a  va  2s  . c o  m*/
* @param alpha the alpha of the new color
* @return Generate the alpha version of this color
*/
protected static Color alphaColor(Color color, int alpha) {
    return new Color(color.getRed(), color.getGreen(), color.getBlue(), alpha);
}

From source file:ColorUtil.java

/**
 * Check if a color is more dark than light. Useful if an entity of
 * this color is to be labeled: Use white label on a "dark" color and
 * black label on a "light" color./* ww w .j ava  2s .  c  o m*/
 *
 * @param color  Color to check.
 * @return       True if this is a "dark" color, false otherwise.
 */
public static boolean isDark(Color color) {
    float r = color.getRed() / 255.0f;
    float g = color.getGreen() / 255.0f;
    float b = color.getBlue() / 255.0f;

    return isDark(r, g, b);
}

From source file:ImageProcessing.ImageProcessing.java

public static double[] extractBlueColor(BufferedImage source) {
    //Extracts the Blue value from the RGB value of the source pixels.
    int imageWidth = source.getWidth();
    int imageHeight = source.getHeight();
    double[] values = new double[imageWidth * imageHeight];

    for (int i = 0; i < imageHeight; i++) {
        for (int j = 0; j < imageWidth; j++) {
            int rgbValue = source.getRGB(j, i);
            Color currentPixel = new Color(rgbValue, true);
            int value = currentPixel.getBlue();
            values[(i * imageWidth) + j] = value;
        }/*from  w  w w  .  ja va2  s . c  om*/
    }

    return values;
}

From source file:HTML.java

/**
 * Utility method to format a color to HTML RGB color format (e.g. #FF0000 for Color.red).
 * @param color The color./*from   ww  w . ja v  a  2 s.  c  o  m*/
 * @return the HTML RGB color string.
 */
public static final String format(Color c) {
    String r = (c.getRed() < 16) ? "0" + Integer.toHexString(c.getRed()) : Integer.toHexString(c.getRed());
    String g = (c.getGreen() < 16) ? "0" + Integer.toHexString(c.getGreen())
            : Integer.toHexString(c.getGreen());
    String b = (c.getBlue() < 16) ? "0" + Integer.toHexString(c.getBlue()) : Integer.toHexString(c.getBlue());
    return "#" + r + g + b;
}

From source file:Main.java

public static byte matchColor(Color c) {
    int i = 0;/*from   www. j  av  a 2 s  .  c o m*/
    int combinatronix = 100000;
    for (int z = 0; z < csamples.length; z++) {
        Color grab = csamples[z];
        int calc = Math.abs(c.getRed() - grab.getRed()) + Math.abs(c.getGreen() - grab.getGreen())
                + Math.abs(c.getBlue() - grab.getBlue());
        if (calc < combinatronix) {
            combinatronix = calc;
            i = z;
        }
    }
    return (byte) i;
}

From source file:com.gargoylesoftware.htmlunit.util.StringUtils.java

/**
 * Formats the specified color./*from w  w w  .ja va 2s .  c  o m*/
 *
 * @param aColor the color to format
 * @return the specified color, formatted
 */
public static String formatColor(final Color aColor) {
    return "rgb(" + aColor.getRed() + ", " + aColor.getGreen() + ", " + aColor.getBlue() + ")";
}