/// <summary>
/// Creates a memento for this object.
/// </summary>
/// <remarks>Typically used in conjunction with <see cref="MemorableUndoableCommand"/>
/// to support undo/redo.</remarks>
public virtual object CreateMemento()
{
SpatialTransformMemento memento = new SpatialTransformMemento();
memento.FlipX = this.FlipX;
memento.FlipY = this.FlipY;
memento.RotationXY = this.RotationXY;
memento.Scale = this.Scale;
memento.TranslationX = this.TranslationX;
memento.TranslationY = this.TranslationY;
return(memento);
}
/// <summary>
/// Sets a memento for this object.
/// </summary>
/// <remarks>Typically used in conjunction with <see cref="MemorableUndoableCommand"/>
/// to support undo/redo.</remarks>
/// <exception cref="ArgumentNullException"><b>memento</b>
/// is <b>null</b>.</exception>
/// <exception cref="InvalidCastException"><b>memento</b>
/// is not of the type expected by the object.</exception>
public virtual void SetMemento(object memento)
{
Platform.CheckForNullReference(memento, "memento");
SpatialTransformMemento spatialTransformMemento = (SpatialTransformMemento)memento;
this.FlipX = spatialTransformMemento.FlipX;
this.FlipY = spatialTransformMemento.FlipY;
this.RotationXY = spatialTransformMemento.RotationXY;
this.Scale = spatialTransformMemento.Scale;
this.TranslationX = spatialTransformMemento.TranslationX;
this.TranslationY = spatialTransformMemento.TranslationY;
this.RecalculationRequired = true;
}
