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Re: Possible redisplay performance enhancements (revisited)

From: YAMAMOTO Mitsuharu
Subject: Re: Possible redisplay performance enhancements (revisited)
Date: Mon, 24 Apr 2006 18:52:25 +0900
User-agent: Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.6 (Marutamachi) APEL/10.6 Emacs/22.0.50 (sparc-sun-solaris2.8) MULE/5.0 (SAKAKI)

>>>>> On Mon, 24 Apr 2006 16:35:28 +0900, Kenichi Handa <address@hidden> said:

> I don't know why Gerd put that condition in the code.  But, as the
> code in fontset always uses a font specified for ASCII for ASCII
> code (see below), I think the proposed patch is safe.

Thanks.  It seems that the patch would not make things worse, at least.

I suspect get_glyph_face_and_encoding is not needed if `struct glyph'
contains `char2b' info and it is filled in append_glyph.  That would
reduce the number of calls to rif->encode_char and enhance the
performance when CCL is thoroughly used as in Mac.  But such a change
might be too drastic to do at this stage.

                                     YAMAMOTO Mitsuharu

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