private HistoryMemento ImportOneLayer(DocumentWorkspace documentWorkspace, BitmapLayer layer)
{
SegmentedList <HistoryMemento> items = new SegmentedList <HistoryMemento>();
bool flag = true;
if (flag && !documentWorkspace.Selection.IsEmpty)
{
HistoryMemento item = new DeselectFunction().Execute(documentWorkspace);
items.Add(item);
}
if (flag && ((layer.Width > documentWorkspace.Document.Width) || (layer.Height > documentWorkspace.Document.Height)))
{
HistoryMemento memento3 = this.DoCanvasResize(documentWorkspace, layer.Size);
if (memento3 == null)
{
flag = false;
}
else
{
items.Add(memento3);
}
}
if (flag && (layer.Size != documentWorkspace.Document.Size))
{
BitmapLayer layer2;
try
{
using (new WaitCursorChanger(documentWorkspace))
{
CleanupManager.RequestCleanup();
layer2 = CanvasSizeAction.ResizeLayer(layer, documentWorkspace.Document.Size, AnchorEdge.TopLeft, ColorBgra.White.NewAlpha(0));
}
}
catch (OutOfMemoryException exception)
{
ExceptionDialog.ShowErrorDialog(documentWorkspace, PdnResources.GetString("ImportFromFileAction.ImportOneLayer.OutOfMemory"), exception);
flag = false;
layer2 = null;
}
if (layer2 != null)
{
layer.Dispose();
layer = layer2;
}
}
if (flag)
{
NewLayerHistoryMemento memento4 = new NewLayerHistoryMemento(string.Empty, null, documentWorkspace, documentWorkspace.Document.Layers.Count);
documentWorkspace.Document.Layers.Add(layer);
items.Add(memento4);
}
if (flag)
{
return(new CompoundHistoryMemento(string.Empty, null, items.ToArrayEx <HistoryMemento>()));
}
this.Rollback(items);
return(null);
}
private HistoryMemento ImportOneLayer(DocumentWorkspace documentWorkspace, BitmapLayer layer)
{
HistoryMemento retHA;
List <HistoryMemento> historyMementos = new List <HistoryMemento>();
bool success = true;
if (success)
{
if (!documentWorkspace.Selection.IsEmpty)
{
HistoryMemento ha = new DeselectFunction().Execute(documentWorkspace);
historyMementos.Add(ha);
}
}
if (success)
{
if (layer.Width > documentWorkspace.Document.Width ||
layer.Height > documentWorkspace.Document.Height)
{
HistoryMemento ha = DoCanvasResize(documentWorkspace, layer.Size);
if (ha == null)
{
success = false;
}
else
{
historyMementos.Add(ha);
}
}
}
if (success)
{
if (layer.Size != documentWorkspace.Document.Size)
{
BitmapLayer newLayer;
try
{
using (new WaitCursorChanger(documentWorkspace))
{
Utility.GCFullCollect();
newLayer = CanvasSizeAction.ResizeLayer((BitmapLayer)layer, documentWorkspace.Document.Size,
AnchorEdge.TopLeft, ColorBgra.White.NewAlpha(0));
}
}
catch (OutOfMemoryException)
{
Utility.ErrorBox(documentWorkspace, PdnResources.GetString("ImportFromFileAction.ImportOneLayer.OutOfMemory"));
success = false;
newLayer = null;
}
if (newLayer != null)
{
layer.Dispose();
layer = newLayer;
}
}
}
if (success)
{
NewLayerHistoryMemento nlha = new NewLayerHistoryMemento(string.Empty, null, documentWorkspace, documentWorkspace.Document.Layers.Count);
documentWorkspace.Document.Layers.Add(layer);
historyMementos.Add(nlha);
}
if (success)
{
HistoryMemento[] has = historyMementos.ToArray();
retHA = new CompoundHistoryMemento(string.Empty, null, has);
}
else
{
Rollback(historyMementos);
retHA = null;
}
return(retHA);
}
