private void HandlePintaCoreActionsImageFlattenActivated (object sender, EventArgs e) { Document doc = PintaCore.Workspace.ActiveDocument; PintaCore.Tools.Commit (); var oldBottomSurface = doc.UserLayers[0].Surface.Clone (); CompoundHistoryItem hist = new CompoundHistoryItem ("Menu.Image.Flatten.png", Catalog.GetString ("Flatten")); for (int i = doc.UserLayers.Count - 1; i >= 1; i--) hist.Push (new DeleteLayerHistoryItem (string.Empty, string.Empty, doc.UserLayers[i], i)); doc.FlattenImage (); hist.Push (new SimpleHistoryItem (string.Empty, string.Empty, oldBottomSurface, 0)); doc.History.PushNewItem (hist); }