nsIImage         *img = (nsIImage *)aImage->client_data;
nsIImage         *img;  if(aImage == NULL) return NS_OK;
ImageRendererImpl::SetDecodedRect(   IL_Pixmap* aImage, 				                PRInt32 x1, PRInt32 y1,                                PRInt32 x2, PRInt32 y2){  nsIImage         *img = (nsIImage *)aImage->client_data;  img->SetDecodedRect(x1, y1, x2, y2);  return NS_OK;}