static double hsva( double hue, double saturation, double value, double alpha ) {
        hue = ((hue % 360) / 360) * 360;

        int i = (int)Math.floor( (hue / 60) % 6 );
        double f = (hue / 60) - i;

        double[] vs = { value, value * (1 - saturation), value * (1 - f * saturation), value * (1 - (1 - f) * saturation) };

        return rgba( vs[HSVA_PERM[i][0]] * 255, vs[HSVA_PERM[i][1]] * 255, vs[HSVA_PERM[i][2]] * 255, alpha );
    }
static double hsva ( double hue , double saturation , double value , double alpha ) { hue = ( ( hue % 360 ) / 360 ) * 360 ; int i = ( int ) Math . floor ( ( hue / 60 ) % 6 ) ; double f = ( hue / 60 ) - i ; double [ ] vs = { value , value * ( 1 - saturation ) , value * ( 1 - f * saturation ) , value * ( 1 - ( 1 - f ) * saturation ) } ; return rgba ( vs [ HSVA_PERM [ i ] [ 0 ] ] * 255 , vs [ HSVA_PERM [ i ] [ 1 ] ] * 255 , vs [ HSVA_PERM [ i ] [ 2 ] ] * 255 , alpha ) ; }
Create a color value.

@param hue
hue value
@param saturation
saturation
@param value
the value
@param alpha
alpha
@return a color value as long