public EditGroup(Photo parent)
{
Parent = parent;
Effects.CollectionChanged += (sender, e) => NotifyCollectionChanged(sender, e, "Effects");
Effects.Add(new Effect(this));
}
public ICanvasImage Cache(Photo photo, ICanvasImage image, params object[] keys)
{
if (cachedImage == null)
{
cachedImage = new CanvasRenderTarget(photo.SourceBitmap.Device, photo.Size.X, photo.Size.Y, 96);
}
using (var drawingSession = cachedImage.CreateDrawingSession())
{
drawingSession.Blend = CanvasBlend.Copy;
drawingSession.DrawImage(image);
}
isCacheValid = true;
cacheKeys = keys;
return cachedImage;
}
public static EditGroup RestoreSuspendedState(Photo parent, BinaryReader reader)
{
var group = new EditGroup(parent);
group.IsEnabled = reader.ReadBoolean();
group.IsEditingRegion = reader.ReadBoolean();
group.ShowRegion = reader.ReadBoolean();
group.RegionSelectionMode = (SelectionMode)reader.ReadInt32();
group.RegionSelectionOperation = (SelectionOperation)reader.ReadInt32();
group.RegionFeather = reader.ReadSingle();
group.RegionDilate = reader.ReadInt32();
group.CanUndo = reader.ReadBoolean();
group.currentRegionMask = reader.ReadByteArray();
group.previousRegionMask = reader.ReadByteArray();
reader.ReadCollection(group.Effects, () => Effect.RestoreSuspendedState(group, reader));
return group;
}
