func NewSVGSurface(filename string, widthInPoints, heightInPoints float64, version SVGVersion) *Surface {
cs := C.CString(filename)
defer C.free(unsafe.Pointer(cs))
s := C.cairo_svg_surface_create(cs, C.double(widthInPoints), C.double(heightInPoints))
C.cairo_svg_surface_restrict_to_version(s, C.cairo_svg_version_t(version))
return &Surface{surface: s, context: C.cairo_create(s)}
}
func (v version) String() string {
V := C.cairo_svg_version_to_string(C.cairo_svg_version_t(v))
if V == nil {
return "unknown SVG version"
}
return C.GoString(V)
}
func (self SVGVersion) String() string {
return C.GoString(C.cairo_svg_version_to_string(C.cairo_svg_version_t(self)))
}
func (v version) c() C.cairo_svg_version_t {
return C.cairo_svg_version_t(v)
}