Lines Matching refs:hue

101      * Sort by the hue of a color, not by its hex-representation
105         $hue = $this->getHue(parent::getSortString($value));
106         return $hue;
110      * Calculate the hue of a color to use it for sorting so we can sort similar colors together.
129             $hue = ($green - $blue) / ($max - $min);
132             $hue = 2 + ($blue - $red) / ($max - $min);
135             $hue = 4 + ($red - $green) / ($max - $min);
137         $hue *= 60;
138         if ($hue < 0) {
139             $hue += 360;
141         return $hue;