private void SetColor(Point point)
{
if (_pickType == PickerType.Rectangle)
{
LockUpdates = true;
Color = ColorManager.CurrentPointerColor();
LockUpdates = false;
}
else
{
double dx = Math.Abs(point.X - _centerPoint.X - Padding.Left);
double dy = Math.Abs(point.Y - _centerPoint.Y - Padding.Top);
double angle = (Math.Atan(dy / dx) / Math.PI) * 180;
double distance = Math.Pow(Math.Pow(dx, 2) + Math.Pow(dy, 2), 0.5);
double saturation = distance / _radius;
if (distance < 6)
{
saturation = 0; // snap to center
}
if (point.X < _centerPoint.X)
{
angle = 180 - angle;
}
if (point.Y > _centerPoint.Y)
{
angle = 360 - angle;
}
LockUpdates = true;
HslManager = new HSLManager(angle, saturation, 0.5);
Color = HslManager.ToRgbColor();
LockUpdates = false;
}
}