Re: [ft-devel] more Unicode character blocks for CJK autofitting

[mpsuzuki]

Dear Werner,

For first, I have to apologize to the authers of the
very interesting patches to improve the autohinter
for CJK Ideographs. The next week will be a period
of my too busy months.

About the update of the coverage for CJK autofitter,
the block for "Ideographic Description Character" is
(scheduled to be) added. It is unclear if there are
existing implementation of OpenType renderer to make
a composite glyph by IDC (I guess, if there are such,
they are quite minority and experimental systems),
but their isolated shapes are something like "Box
Drawing" (U+2500 - U+257F) by broken lines. So, I
guess, there is no serious requirement to apply the
hinting to IDC glyphs.

Regards,
mpsuzuki

On Thu, 07 Apr 2011 07:37:24 +0200 (CEST)
Werner LEMBERG <address@hidden> wrote:

>
>> I've just updated the ranges for the CJK autofitter as below.  In
>> particular, I've added Hangul Korean syllables which have been
>> missing (I no longer can remember whether this was intentional).
>> Please comment.
>
>Note that by default characters are mapped to use the CJK autofitter.
>In other words, if a character is not in one of the latin or indic
>ranges, it gets treated as being a CJK character.  As a consequence,
>range additions to the CJK autofitter are no-ops.
>
>Currently, the essential difference between the CJK and the latin
>autofitter is that the the former doesn't handle blue zones.
>
>
>    Werner
>
>
>PS: Patches to the autohinter are not forgotten but delayed since
>    Toshiya-san wants to review them, and he is very busy at the
>    moment.
>
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