better hsv to rgb maybe.

[qihigh]

I have found a better way to convert the color from hsv to rgb.maybe.

in the method setFormat, it call the HSVtoRGB method to convert to rgb. then I get a method from android.graphics.color that names Color.HSVToColor() then I try to use the method to calculate the color. and it turn out to be the same result : the test code: the test result pick one:

so I think we should use the method from android.graphics.color priority