Returns the pixbuf loaded by @handle. The pixbuf returned will be reffed, so
the caller of this function must assume that ref. If insufficient data has
been read to create the pixbuf, or an error occurred in loading, then %NULL
will be returned. Note that the pixbuf may not be complete until
@rsvg_handle_close has been called.
The id of an element inside the SVG, or %NULL to
render the whole SVG. For example, if you have a layer called
"layer1" that you wish to render, pass "##layer1" as the id.
Returns the pixbuf loaded by @handle. The pixbuf returned will be reffed, so the caller of this function must assume that ref. If insufficient data has been read to create the pixbuf, or an error occurred in loading, then %NULL will be returned. Note that the pixbuf may not be complete until @rsvg_handle_close has been called.