internal override void ProcessEvent(InteractionOutput output)
{
if (output.Data.Interaction == Win32.INTERACTION.TAP)
{
if (output.Data.Tap.Count == 2)
{
ResetPoints();
_form.Invalidate();
}
}
else if (output.Data.Interaction == Win32.INTERACTION.MANIPULATION)
{
if (output.IsBegin())
{
_baseXY.Clear();
_center = PointF.Empty;
foreach (PointF pt in _points)
{
_baseXY.Add(new PointF(pt.X, pt.Y));
_center.X += pt.X;
_center.Y += pt.Y;
}
_center.X /= _points.Count;
_center.Y /= _points.Count;
}
else
{
Win32.MANIPULATION_TRANSFORM mt = output.Data.Manipulation.Cumulative;
PointF ct = _center;
ct.X += mt.TranslationX;
ct.Y += mt.TranslationY;
for (int i = 0; i < _points.Count; i++)
{
PointF pt = _baseXY[i];
pt.X += mt.TranslationX;
pt.Y += mt.TranslationY;
float deltaX = pt.X - ct.X;
float deltaY = pt.Y - ct.Y;
double r = Math.Sqrt(deltaX * deltaX + deltaY * deltaY);
double a = Math.Atan2(deltaY, deltaX) + mt.Rotation;
pt.X = Convert.ToSingle(Math.Cos(a) * r) + ct.X;
pt.Y = Convert.ToSingle(Math.Sin(a) * r) + ct.Y;
pt.X = mt.Scale * (pt.X - ct.X) + ct.X;
pt.Y = mt.Scale * (pt.Y - ct.Y) + ct.Y;
_points[i] = pt;
}
_form.Invalidate();
}
}
}
internal static IntPtr CreateInteractionContext(IInteractionHandler interactionHandler, SynchronizationContext syncContext)
{
IntPtr ic;
CreateInteractionContext(out ic);
InteractionOutput io = new InteractionOutput(ic, interactionHandler, syncContext);
lock (_lockObj)
{
_listeners.Add(ic.ToInt64(), io);
}
RegisterOutputCallbackInteractionContext(ic, Marshal.GetFunctionPointerForDelegate(_callback), ic);
return(ic);
}
static void TimerElapsed(object state)
{
InteractionOutput[] items = null;
lock (_lockObj)
{
if (_inertiaQueue.Count > 0)
{
items = _inertiaQueue.ToArray();
_inertiaQueue.Clear();
}
}
if (items != null)
{
for (int i = 0; i < items.Length; i++)
{
InteractionOutput io = items[i];
for (int j = 0; j < i; j++)
{
if (items[j].InteractionContext == io.InteractionContext)
{
io = null;
break;
}
}
if (io != null && io.Alive)
{
io.SyncContext.Post(delegate(object obj)
{
InteractionOutput m = (InteractionOutput)obj;
if (m.Alive)
{
ProcessInertiaInteractionContext(m.InteractionContext);
}
}, io);
}
}
}
}
internal override void ProcessEvent(InteractionOutput output)
{
if (output.Data.Interaction == Win32.INTERACTION.TAP)
{
if (output.Data.Tap.Count == 2)
{
foreach (Figure f in _form.Figures)
{
f.ResetPoints();
}
_form.Invalidate();
}
}
else if (output.Data.Interaction == Win32.INTERACTION.SECONDARY_TAP)
{
_n++;
if (_n > 3)
{
_n = 1;
}
Color c = Color.Green;
switch (_n)
{
case 1:
c = Color.FromArgb(64, 64, 64);
break;
case 2:
c = Color.Maroon;
break;
case 3:
c = Color.DarkGreen;
break;
}
_form.BackColor = c;
}
}
internal abstract void ProcessEvent(InteractionOutput output);
void IInteractionHandler.ProcessInteractionEvent(InteractionOutput output)
{
ProcessEvent(output);
}