public GestureObserver(IManipulationControlAware target, IRotationCalculator rotationCalculator, IScaleCalculator scaleCalculator)
{
if (rotationCalculator == null)
{
throw new ArgumentNullException("rotationCalculator must be passed");
}
else if (scaleCalculator == null)
{
throw new ArgumentNullException("scaleCalculator must be passed");
}
else if (target == null)
{
throw new ArgumentNullException("target must be passed");
}
_target = target;
_rotationCalculator = rotationCalculator;
_scaleCalculator = scaleCalculator;
Initalize();
}
public GestureObserver(IManipulationControlAware target)
: this(target, new RotationCalculator(), new ScaleCalculator())
{
}
