Freetype project general mailing list

headers David Turner | 3 Aug 2006 12:23 · /freetype/

Hello,

As Werner said, I was in vacation, I'll try to answer your questions here:

Kristján V. Jónsson a écrit :
> Hi there.
> I am reposting this to the list since I got not a single response.  Maybe something went wrong.  These are
issues of some importance.
> 1) is important in our application since the node ID is actually a strong reference to an application
object that needs to be released when the CM doesn't know about it any more.
> 2) is perhaps more important.  The CM is only truly useful if one can hook into its loading and
transformation stage to provide custom slanting and embolding and perhaps other effects.  Somewhere in
the archives someone mentioned subclassing in this context.  Any more infor on that?
>
>   
You're essentially asking for the ability to define custom nodes within 
the cache, and this is something that did exist
in previous releases of FreeType, but was explicitely removed for 2.2.1 
for several reasons:

- first of all, nobody seemed to use this "feature"

- second, I wanted to be able to change some internals in order to improve
  certain aspects of the implementation, without breaking clients.

Before 2.2.1, it was possible to write a "custom cache" used to store 
custom nodes which could be *anything*,
including custom glyph images. However, the level of details to master 
to do that was very high (unfortunately,
writing a cache that is efficient, flexible and deals well with 

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