It's useful for building `FontMgr` from specified typefaces, e.g. reading fonts from a path set by the program and building the `FontMgr` for `Paragraph`. https://github.com/google/skia/blob/d0510ab0535b1ab7aaf237fdb9436a4326f46030/modules/skparagraph/tests/SkParagraphTest.cpp#L74-L75
It's useful for building
FontMgrfrom specified typefaces, e.g. reading fonts from a path set by the program and building theFontMgrforParagraph.https://github.com/google/skia/blob/d0510ab0535b1ab7aaf237fdb9436a4326f46030/modules/skparagraph/tests/SkParagraphTest.cpp#L74-L75