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Re: How to draw pixel ?


From: Andy Stewart
Subject: Re: How to draw pixel ?
Date: Thu, 12 Feb 2009 00:59:22 +0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux)

Hi Drew,

"Drew Adams" <address@hidden> writes:

>> function to draw pixel vertically line in emacs buffer
>
> I don't have a direct answer to your question, but you might also take a look 
> at
> the code in vline.el. It draws a vertical line using character composition 
> with
> the character ?|.
> http://www.emacswiki.org/emacs/vline.el
I know vline.el.
But this overlay have display problem with multi-byte language (such as 
Chinese),
when Chinese character's width is not *two times* of English character's
width.

I have uploae screenshot for describe this problem.
Screenshot at http://www.emacswiki.org/emacs/VlineProblemWithChinese

Then you will see the problem.

Regards,

  -- Andy





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