return NS_OK;
ImageRendererImpl::ControlPixmapBits(void* aDisplayContext, 				                             IL_Pixmap* aImage, PRUint32 aControlMsg){  nsIDeviceContext *dc = (nsIDeviceContext *)aDisplayContext;  nsIImage *img = (nsIImage *)aImage->client_data;  if (aControlMsg == IL_RELEASE_BITS) {    img->Optimize(dc);  }}