Method _get_optional_content

src/__init__.py:9932–9953

(self, oc: OptInt)

        return mupdf.pdf_count_q_balance_outparams_fn(pdf, res, cont)

    def _get_optional_content(self, oc: OptInt) -> OptStr:
        if oc is None or oc == 0:
            return None
        doc = self.parent
        check = doc.xref_object(oc, compressed=True)
        if not ("/Type/OCG" in check or "/Type/OCMD" in check):
            #log( 'raising "bad optional content"')
            raise ValueError("bad optional content: 'oc'")
        #log( 'Looking at self._get_resource_properties()')
        props = {}
        for p, x in self._get_resource_properties():
            props[x] = p
        if oc in props.keys():
            return props[oc]
        i = 0
        mc = f"MC{i:d}"
        while mc in props.values():
            i += 1
            mc = f"MC{i:d}"
        self._set_resource_property(mc, oc)
        #log( 'returning {mc=}')
        return mc

    def _get_resource_properties(self):
        '''