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Re: Glyphs and the text system

From: BALATON Zoltan
Subject: Re: Glyphs and the text system
Date: Tue, 15 Oct 2002 17:33:08 +0200 (MEST)

On Mon, 14 Oct 2002, Alexander Malmberg wrote:
> Glyph generation (in this context) means taking a sequence of abstract
> (unicode) characters and turning them into a sequence of glyphs that
> represent those characters, in some sense.
> If we want even halfway-proper wysiwyg, printing will have to use the
> same glyphs (with the same positioning and stuff) as the displayed
> stuff. This isn't really a problem at the -gui level; it can just use
> [NSGraphicsContext -GSShowGlyphs::]. Implementing it might be tricky,
> though.

OK, then it is basically what I imagined. But then there is something I
don't understand. From the above description it seems to me that glyph
generation is done by the gui library as it uses GSShowGlyphs that takes
translated glyphs not character codes (unicode). But before you wrote:

On Sun, 13 Oct 2002, Alexander Malmberg wrote:
> 1.
> Glyph generation. This needs to be done in the backend. I'll write one
> for the freetype-based code in back-art, but other backends might be a
> problem. I can write a dumb default one that works like the current one,
> though.

Which states that glyph generation is done in the backend. I'm confused
now and probably still missing something.


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