private IDisposable DisplayUndoableImpl(IRenderable renderable, IModelDoc2 doc, int layer)
{
if (renderable == null)
{
throw new ArgumentNullException(nameof(renderable));
}
if (doc == null)
{
throw new ArgumentNullException(nameof(doc));
}
GLDoubleBuffer.Update(b => b.SetItem(renderable, Tuple.Create(layer, renderable)));
Redraw(doc);
return(Disposable.Create(() =>
{
GLDoubleBuffer.Update(btr =>
{
if (btr.ContainsKey(renderable))
{
return btr.Remove(renderable);
}
else
{
return btr;
}
});
Redraw(doc);
}));
}
private IDisposable DisplayUndoableImpl(IRenderer renderer, IModelDoc2 doc, int layer)
{
if (renderer == null)
{
throw new ArgumentNullException(nameof(renderer));
}
if (doc == null)
{
throw new ArgumentNullException(nameof(doc));
}
_GlDoubleBuffer.Update(b => b.SetItem(renderer, Tuple.Create(layer, renderer)));
Redraw(doc);
var s = renderer.NeedsRedraw.Subscribe(v => Redraw(doc));
var d = Disposable.Create(() =>
{
s.Dispose();
_GlDoubleBuffer.Update(btr =>
{
if (btr.ContainsKey(renderer))
{
return(btr.Remove(renderer));
}
else
{
return(btr);
}
});
Redraw(doc);
});
var t = Thread.CurrentThread;
return(Disposable.Create
(() =>
{
Debug.Assert(Thread.CurrentThread == t);
d.Dispose();
}));
}