Re: [OT] OTL_String (was: Re: [Devel] FT_Set_Hint_Flags problem)

[David Turner]

Hi Emile,

Emile van Bergen wrote:
> Hi,
>
> On Wed, May 07, 2003 at 10:09:36AM +0200, David Turner wrote:
>
>
> >  - it doesn't include something like "otl_ruleset_shape" since
> >    I've not finalized a good "OTL_String" type for now.
>
>
> If you insist on building an abstract string type in C, please use
> something that includes a separate pointer and length member, and allow
> these to be manipulated directly, not only through functions.
>
> A data member that is required in any type of implementation and whose
> semantics are completely clear, should not be encapsulated, IMHO.
>
> This may be completely OT, and OTL_String may be something very specific
> instead of a general, abstract string type -- it's just that I've seen a
> bit too many flawed implementations of abstract strings. Trying to make
> strings abstract is often just plain wrong, too.
An "OTL_String" is not an abstract string type, it's something very
specific to the layout process. It's probably mis-named, and it will
probably be divided into "input vector" and "output vector" with
distinct formats anyway..

Regards,

- David Turner
- The FreeType Project  (www.freetype.org)


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