Example usage for java.awt Color RGBtoHSB

Introduction

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

Prototype

public static float[] RGBtoHSB(int r, int g, int b, float[] hsbvals)

Source Link

Document

Converts the components of a color, as specified by the default RGB model, to an equivalent set of values for hue, saturation, and brightness that are the three components of the HSB model.

Usage

From source file:smlm.util.SRutil.java

public static Color getGradientColor(Color ini, Color fin, int numberOfSteps, int step) {
    if (numberOfSteps == 0)
        return ini;
    if (step % numberOfSteps == 0)
        return ini;
    if (step % numberOfSteps == numberOfSteps - 1)
        return fin;
    else {/*from   w  w  w  .  j a  va2 s  .c o m*/
        float[] hsbini = Color.RGBtoHSB(ini.getRed(), ini.getGreen(), ini.getBlue(), null);
        float[] hsbfin = Color.RGBtoHSB(fin.getRed(), fin.getGreen(), fin.getBlue(), null);
        float h = ((numberOfSteps - step % numberOfSteps) * hsbini[0] + (step % numberOfSteps) * hsbfin[0])
                / numberOfSteps;
        float s = ((numberOfSteps - step % numberOfSteps) * hsbini[1] + (step % numberOfSteps) * hsbfin[1])
                / numberOfSteps;
        float b = ((numberOfSteps - step % numberOfSteps) * hsbini[2] + (step % numberOfSteps) * hsbfin[2])
                / numberOfSteps;
        return Color.getHSBColor(h, s, b);
    }
}

From source file:uk.bl.wa.tika.parser.imagefeatures.FaceDetectionParser.java

private static Color maxBrightness(Color c) {
    float[] hsv = new float[3];
    Color.RGBtoHSB(c.getRed(), c.getGreen(), c.getBlue(), hsv);
    return new Color(Color.HSBtoRGB(hsv[0], hsv[1], 1.0f));
}