public override object SaveProperties()
{
if (disposed)
{
throw new ObjectDisposedException("BitmapLayer");
}
object baseProperties = base.SaveProperties();
return(new List(properties.Clone(), new List(baseProperties, null)));
}
public override void LoadProperties(object oldState, bool suppressEvents)
{
if (disposed)
{
throw new ObjectDisposedException("BitmapLayer");
}
List list = (List)oldState;
// Get the base class' state, and our state
LayerProperties baseState = (LayerProperties)list.Tail.Head;
BitmapLayerProperties blp = (BitmapLayerProperties)(((List)oldState).Head);
// Opacity is only couriered for compatibility with PDN v2.0 and v1.1
// files. It should not be present in v2.1+ files (well, it'll be
// part of the base class' serialization)
if (blp.opacity != -1)
{
baseState.opacity = (byte)blp.opacity;
blp.opacity = -1;
}
// Have the base class load its properties
base.LoadProperties(baseState, suppressEvents);
// Now load our properties, and announce them to the world
bool raiseBlendOp = false;
if (blp.blendOp.GetType() != properties.blendOp.GetType())
{
if (!suppressEvents)
{
raiseBlendOp = true;
OnPropertyChanging(BitmapLayerProperties.BlendOpName);
}
}
this.properties = (BitmapLayerProperties)blp.Clone();
this.compiledBlendOp = null;
Invalidate();
if (raiseBlendOp)
{
OnPropertyChanged(BitmapLayerProperties.BlendOpName);
}
}