> While trying to generate MD5 hashes of rendered glyphs, I came across this
> discussion:
> https://lists.nongnu.org/archive/html/freetype-devel/2017-03/msg00001.html
>
> I tried compiling freetype with FT_DEBUG_LEVEL_TRACE defined and set
> the env variable FT2_DEBUG to bitmap:3, but ftgrid doesn't seem to
> output any hash. Can you please tell me what I am missing, will be
> glad if you sort this query out for me.
The component has changed meanwhile; try
FT2_DEBUG=checksum:3
to get the checksum, and
FT2_DEBUG=checksum:7
to also get a bitmap dump (for not too large bitmaps).
Werner