tree 6d37bc0ebfec9bb3ceda552714730d1b474196f5
parent 31b14fd4dce4b017090f5ba7c15a178fa0ce6d7d
author Stephen Holdaway <stecman@gmail.com> 1656836791 +1200
committer Werner Lemberg <wl@gnu.org> 1657104940 +0200

doc: Clarify description of `FT_Stream_IoFunc`.

The existing documentation comments on `FT_Stream_IoFunc` hinted at the dual
seek/read behavior required for custom stream implementations to work, but
it didn't explicitly explain it.  Without looking at the internals of
FreeType, it was easy for someone to assume their implementation should
handle both seek and read operations all the time.  If this is done, you get
a variety of errors, but mostly just `Unknown_File_Format` (error code
0x02).