func (r *Reader) NumPage() int {
	return int(r.Trailer().Key("Root").Key("Pages").Key("Count").Int64())
}
func (r *Reader) NumPage() int {
	return int(r.Trailer().Key("Root").Key("Pages").Key("Count").Int64())
}
func ( r * Reader ) NumPage ( ) int { return int ( r . Trailer ( ) . Key ( " " ) . Key ( " " ) . Key ( " " ) . Int64 ( ) ) }
// NumPage returns the number of pages in the PDF file.
NumPage returns the number of pages in the PDF file .