Get the string representation of the given version id. This function will return null if version isn't valid. See cairo.global.pdfGetVersions for a way to get the list of valid version ids.
a version id
the string associated to given version.
Get the string representation of the given version id. This function will return null if version isn't valid. See cairo.global.pdfGetVersions for a way to get the list of valid version ids.