public override HistoryMemento OnExecute(IHistoryWorkspace historyWorkspace)
{
CompoundHistoryMemento chm = new CompoundHistoryMemento(this.historyName, this.undoImage);
if (!historyWorkspace.Selection.IsEmpty)
{
DeselectFunction df = new DeselectFunction();
EnterCriticalRegion();
HistoryMemento hm = df.Execute(historyWorkspace);
chm.PushNewAction(hm);
}
FlipLayerHistoryMemento flha = new FlipLayerHistoryMemento(
null,
null,
historyWorkspace,
this.layerIndex,
this.flipType);
EnterCriticalRegion();
HistoryMemento flha2 = flha.PerformUndo();
chm.PushNewAction(flha);
return chm;
}
protected override HistoryMemento OnUndo(ProgressEventHandler progressCallback)
{
FlipLayerHistoryMemento memento = new FlipLayerHistoryMemento(base.Name, base.Image, this.historyWorkspace, this.layerIndex, this.flipType);
BitmapLayer layer = (BitmapLayer)this.historyWorkspace.Document.Layers[this.layerIndex];
FlipInPlace(layer.Surface, this.flipType);
layer.Invalidate();
return(memento);
}
protected override HistoryMemento OnUndo()
{
FlipLayerHistoryMemento fha = new FlipLayerHistoryMemento(this.Name, this.Image,
this.historyWorkspace, layerIndex, flipType);
BitmapLayer layer = (BitmapLayer)this.historyWorkspace.Document.Layers[layerIndex];
Flip(layer.Surface);
layer.Invalidate();
return fha;
}
protected override HistoryMemento OnUndo()
{
FlipLayerHistoryMemento fha = new FlipLayerHistoryMemento(this.Name, this.Image,
this.historyWorkspace, layerIndex, flipType);
BitmapLayer layer = (BitmapLayer)this.historyWorkspace.Document.Layers[layerIndex];
Flip(layer.Surface);
layer.Invalidate();
return(fha);
}
public override HistoryMemento OnExecute(IHistoryWorkspace historyWorkspace)
{
List<HistoryMemento> actions = new List<HistoryMemento>();
if (!historyWorkspace.Selection.IsEmpty)
{
DeselectFunction da = new DeselectFunction();
EnterCriticalRegion();
HistoryMemento hm = da.Execute(historyWorkspace);
actions.Add(hm);
}
int count = historyWorkspace.Document.Layers.Count;
for (int i = 0; i < count; ++i)
{
HistoryMemento memento = new FlipLayerHistoryMemento(this.historyName, undoImage, historyWorkspace, i, flipType);
EnterCriticalRegion();
HistoryMemento mementoToAdd = memento.PerformUndo();
actions.Add(mementoToAdd);
}
return new CompoundHistoryMemento(this.historyName, undoImage, actions);
}