A Cairo context
Viewport size at which the whole SVG would be fitted.
TRUE on success, FALSE on error. Errors are returned in the @error argument.
API ordering: This function must be called on a fully-loaded @handle. See the section "API ordering" for details.
Panics: this function will panic if the @handle is not fully-loaded.
GException on failure.
2.46
Renders the whole SVG document fitted to a viewport.
The @viewport gives the position and size at which the whole SVG document will be rendered. The document is scaled proportionally to fit into this viewport.
The @cr must be in a CAIRO_STATUS_SUCCESS state, or this function will not render anything, and instead will return an error.