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.
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.types.Status.Success state, or this function will not render anything, and instead will return an error.