/// <summary>
/// Calculating different zoom factors
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected override void FireSucessful(object sender, GestureEventArgs e)
{
if(Math.Abs(_start - -1.0) < EPSILON)
{
_start = ((InternalZoomGestureEventArgs)e).Gauge;
_last = ((InternalZoomGestureEventArgs)e).Gauge;
}
else
{
//Debug.WriteLine("start: " + start + " last: " + last);
if (Successful != null)
Successful(this, new ZoomGestureEventArgs
{
ZoomFactorFromBegin = ((InternalZoomGestureEventArgs)e).Gauge/_start,
ZoomFactorFromLast = ((InternalZoomGestureEventArgs)e).Gauge/_last
});
_last = ((InternalZoomGestureEventArgs)e).Gauge;
}
}
/// <summary>
/// Indicate a call to registered Success Eventhandlers</summary>
/// <param name="sender">
/// Probably an implementation of the GestureChecker class</param>
/// <param name="e">
/// Detailed arguments for a gesture part</param>
protected void FireSucceeded(object sender, GestureEventArgs e)
{
if (Succeeded != null)
{
Succeeded(sender, e);
}
}
/// <summary>
/// Current gesture part was sucessful. Continue with next.</summary>
/// <param name="src">
/// The checked condition</param>
/// <param name="e">
/// Details about the success</param>
private void ConditionComplete(Object src, GestureEventArgs e)
{
Condition previous = index.Current;
Boolean hasNext = index.MoveNext();
Condition next = index.Current;
if (hasNext) // no further gesture parts -> success!
{
previous.Disable();
next.Enable();
}
else
{
Reset();
FireSucessful(this, e);
}
}
protected virtual void FireSucessful(Object sender, GestureEventArgs e)
{
e.Person = _p;
if (Successful != null)
{
Successful(this, e);
}
}