[Fontconfig] hintslight for CFF fonts

Akira TAGOH akira at tagoh.org
Mon Jan 20 20:20:12 PST 2014

Sorry for late response,

On Fri, Jan 17, 2014 at 8:20 PM, Werner LEMBERG <wl at gnu.org> wrote:
> The darkening is not related to the broken Cantarell fonts; these are
> two completely different issues.

Ah, okay. so it should be consistent regardless of what CFF fonts one uses?
I was getting confused so that everyone was complaining about
Cantarell only (ATM at least) and I am/was not quite sure if it's
really a common problem on rendering CFF fonts for them.
If that is true, I'm sure there are nothing we can do in fontconfig
then. otherwise we can but it may needs to be turned on and applied
per fonts.

> Don't worry about bad fonts!  That's not the problem.  What is
> urgently needed is a compensation for the lack of linearized blending
> in most graphics stacks.

Is it those two "no-stem-darkening" and "darkening-parameters" right?

> OK, so controlling the FreeType engine itself doesn't belong to
> fontconfig.  What place should be used instead?

the upper layer rendering libraries or applications where uses
FreeType directly if we don't need to manage it per fonts.

>     Werner


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