FontDescription.merge
void merge(pango.font_description.FontDescription descToMerge, bool replaceExisting)Merges the fields that are set in desc_to_merge into the fields in desc.
If replace_existing is false, only fields in desc that are not already set are affected. If true, then fields that are already set will be replaced as well.
If desc_to_merge is null, this function performs nothing.
Parameters
descToMerge | the [pango.font_description.FontDescription] to merge from, or null |
replaceExisting | if true, replace fields in desc with the corresponding values from desc_to_merge, even if they are already exist. |