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bug#1867: Resizing window causes text flickering when using antialiased
From: |
Chong Yidong |
Subject: |
bug#1867: Resizing window causes text flickering when using antialiased font on X |
Date: |
Wed, 05 Oct 2011 17:57:29 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.90 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
> The way redisplay is written, _any_ change to dimensions of _any_
> window sets a flag that will cause a thorough redisplay of all the
> windows on all the visible frames. However, I'd expect that redisplay
> of any window not affected by the resizing be limited to redrawing the
> cursor.
Resizing a window redraws all windows on the same frame, even those
unaffected by the resizing.
The right way to fix flickering in Emacs is to implement double
buffering, which is not a trivial project.
bug#1867: Resizing window causes text flickering when using antialiased font on X, Bo Lin, 2011/10/06