Method convertRGBToHSV

shared/java/Color.java:124–148

(int red, int green, int blue)

    }

    public static float[] convertRGBToHSV(int red, int green, int blue) {
        assert 0 <= red && red <= 255 : "Red is out of 0..255 range: " + red;
        assert 0 <= green && green <= 255 : "Green is out of 0..255 range: " + green;
        assert 0 <= blue && blue <= 255 : "Blue is out of 0..255 range: " + blue;

        int max = Math.max(red, Math.max(green, blue));
        int min = Math.min(red, Math.min(green, blue));
        int delta = max - min;

        float h;
        if (delta == 0) {
            h = 0f;
        } else if (max == red) {
            h = 60f * (green - blue) / delta;
            if (h < 0f) h += 360f;
        } else if (max == green) {
            h = 60f * (blue - red) / delta + 120f;
        } else {
            h = 60f * (red - green) / delta + 240f;
        }

        float s = max == 0 ? 0f : delta / (float) max;
        float v = max / 255f;
        return new float[] {h, s, v};
    }

    public static float[] convertToHSV(int color) {
        return convertRGBToHSV(getR(color), getG(color), getB(color));