From: Jason Rumney <jasonr@gnu.org>
To: Kevin Yu <yujie052@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: w32term.c:FONT_HEIGHT causes screen noise.
Date: Wed, 26 Nov 2008 21:43:47 +0800 [thread overview]
Message-ID: <492D5293.4000801@gnu.org> (raw)
In-Reply-To: <42b562540810292158y54e13882ucada53426c50adae@mail.gmail.com>
Kevin Yu wrote:
> In function x_draw_glyph_string_backgound, the background of the
> string will
> be redrawn when FONT_HEIGHT(s->font) < s->height - 2 * box_line_width. The
> macro FONT_HEIGHT is defined as: ((f)->height). When f->ascent + f->descent
> < s->height but f->height >= s->height the background will never be redrawn. As
> a result, you will find some display noise on the screen.
>
Thank you for your detailed analysis, I think I have fixed this now.
In future, please report such problems as bugs so they get properly tracked.
prev parent reply other threads:[~2008-11-26 13:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-30 4:58 w32term.c:FONT_HEIGHT causes screen noise Kevin Yu
2008-11-26 13:43 ` Jason Rumney [this message]
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