public static List<GradientDrawable> populateHueList() {
ArrayList<GradientDrawable> list = new ArrayList<>();
updateDifference();
float delta = (360f / hueDelta) / 2f;
for (int i = 0; i < hueDelta; ++i) {
// TODO check this math
HSVColor hsvColor =
new HSVColor(
((hueCenter + i * (360 / hueDelta) - delta) % 360 + 360) % 360,
(hueCenter + i * (360 / hueDelta) + delta) % 360,
1f,
1f);
int[] values = gradientHelper(hsvColor, 1f, 1f);
list.add(new GradientDrawable(GradientDrawable.Orientation.LEFT_RIGHT, values));
}
return list;
}
public static void setHueRightByPosition(int position) {
updateDifference();
float delta = (360f / hueDelta) / 2f;
rightHue = (hueCenter + position * (360 / hueDelta) + delta) % 360;
}
public static void setHueLeftByPosition(int position) {
updateDifference();
float delta = (360f / hueDelta) / 2f;
leftHue = ((hueCenter + position * (360 / hueDelta) - delta) % 360 + 360) % 360;
}