protected void addInputConnectionPoint(ParamType pt, string name, bool requiredInput)
{
InputConnectionPoint op = new InputConnectionPoint(pt, requiredInput, name, this, mOwningCanvas);
mInputConnections.Add(op);
mOwningCanvas.addCanvasNode(op);
}
public void generatePreview(CanvasNode cn)
{
OutputGenerationParams ogp = new OutputGenerationParams();
ogp.Width = 128;
ogp.Height = 128;
MaskDAGGraphNode gn = (MaskDAGGraphNode)cn;
MaskParam mp = new MaskParam();
InputConnectionPoint icp = new InputConnectionPoint(mp,true,"Preview",gn,this);
gn.computeOutput(icp,ogp);
if (onUpdateCallback != null)
{
DAGMask m = mp.Value;
onUpdateCallback(ref m);
}
}