RenderPreview(InsetBase const *);
RenderPreview(RenderPreview const &, InsetBase const *);
std::auto_ptr<RenderBase> clone(InsetBase const *) const;
/// Compute the size of the object, returned in dim
RenderPreview(InsetBase const *);
RenderPreview(RenderPreview const &, InsetBase const *);
std::auto_ptr<RenderBase> clone(InsetBase const *) const;
/// Compute the size of the object, returned in dim