cairo:svg-surface-create (path width height)

path -- a namestring or pathname for a path for the SVG output (must be writable), nil may be used to specify no output, this will generate a SVG surface that may be queried and used as a source, without generating a temporary file
width -- a number coerced to a double float for the width of the surface, in points (1 point == 1/72.0 inch)
height -- a number coerced to a double float for the height of the surface, in points (1 point == 1/72.0 inch)

The newly created cairo:surface-t instance. The caller owns the surface and should call the cairo:surface-destroy function when done with it. This function always returns a valid pointer, but it will return a pointer to a "nil" surface if an error such as out of memory occurs. You can use the cairo:surface-status function to check for this.

Creates a SVG surface of the specified size in points to be written to path. The SVG surface backend recognizes the following MIME types for the data attached to a surface, see the cairo_surface_set_mime_data() function, when it is used as a source pattern for drawing on this surface: "image/jpeg", "image/png", and "text/x-uri". If any of them is specified, the SVG backend emits a href with the content of MIME data instead of a surface snapshot (PNG, Base64-encoded) in the corresponding image tag.

The unofficial MIME type "text/x-uri" is examined first. If present, the URI is emitted as is: assuring the correctness of URI is left to the client code.

If "text/x-uri" is not present, but "image/jpeg" or "image/png" is specified, the corresponding data is Base64-encoded and emitted.

If "application/x-cairo.uuid" is present, all surfaces with the same unique identifier will only be embedded once.