protected override void UseGesture(GestureNotification gesture, bool isFilterMatch, int index)
{
if (isFilterMatch)
{
double distance = (double)(gesture.Arguments & Const.ULL_ARGUMENTS_BIT_MASK);
if (index < 0)
{
DistanceOut.Add(distance / (double)gesture.ClientArea.Height * 2);
}
else
{
DistanceOut[index] = distance / (double)gesture.ClientArea.Height * 2;
}
}
else if (index >= 0)
{
DistanceOut.RemoveAt(index);
}
}
protected override void UseGesture(GestureNotification gesture, bool isFilterMatch, int index)
{
if (isFilterMatch)
{
double rotate = (double)(gesture.Arguments & Const.ULL_ARGUMENTS_BIT_MASK);
rotate = rotate / 65535.0 * 2 - 1;
if (index < 0)
{
RotateOut.Add(rotate);
}
else
{
RotateOut[index] = rotate;
}
}
else if (index >= 0)
{
RotateOut.RemoveAt(index);
}
}
public static TResult GestureNotificationSwitch <TResult>(GestureNotification notification, TResult defaultResult,
Func <GestureBeginNotification, TResult> onBegin,
Func <GestureEndNotification, TResult> onEnd,
Func <GestureZoomNotification, TResult> onZoom,
Func <GesturePanNotification, TResult> onPan,
Func <GestureRotateNotification, TResult> onRotate,
Func <GestureTwoFingerTapNotification, TResult> onTwoFingerTap,
Func <GesturePressAndTapNotification, TResult> onPressAndTap)
where TResult : class
{
switch (notification.Kind)
{
case GestureNotificationKind.GestureBegin:
return(onBegin?.Invoke((GestureBeginNotification)notification) ?? defaultResult);
case GestureNotificationKind.GestureEnd:
return(onEnd?.Invoke((GestureEndNotification)notification) ?? defaultResult);
case GestureNotificationKind.GestureZoom:
return(onZoom?.Invoke((GestureZoomNotification)notification) ?? defaultResult);
case GestureNotificationKind.GesturePan:
return(onPan?.Invoke((GesturePanNotification)notification) ?? defaultResult);
case GestureNotificationKind.GestureRotate:
return(onRotate?.Invoke((GestureRotateNotification)notification) ?? defaultResult);
case GestureNotificationKind.GestureTwoFingerTap:
return(onTwoFingerTap?.Invoke((GestureTwoFingerTapNotification)notification) ?? defaultResult);
case GestureNotificationKind.GesturePressAndTap:
return(onPressAndTap?.Invoke((GesturePressAndTapNotification)notification) ?? defaultResult);
default:
return(defaultResult);
}
}
protected virtual void UseGesture(GestureNotification gesture, bool isFilterMatch, int index)
{
}
