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Re: Stipples and scroll optimizations
From: |
Eli Zaretskii |
Subject: |
Re: Stipples and scroll optimizations |
Date: |
Sun, 08 May 2022 10:30:11 +0300 |
> From: Po Lu <luangruo@yahoo.com>
> Date: Sun, 08 May 2022 15:22:34 +0800
>
> When a glyph with a stipple background is displayed in the scrolled area
> of the screen, the optimization in `scrolling_window' should not be
> performed. This is because stipples are "tiled" across the screen from
> a constant origin, so the display of the stipple might not be correct
> after it is copied to a different part of the frame.
>
> That problem can easily be seen by setting the stipple of the default
> face to `dimple1' and scrolling a little.
>
> WDYT about such a change?
If using scrolling_window in this case causes incorrect display, then
scrolling_window should be disabled. But how would you know, in
update_window or its subroutines, that this is the case?
- Stipples and scroll optimizations, Po Lu, 2022/05/08
- Re: Stipples and scroll optimizations,
Eli Zaretskii <=
- Re: Stipples and scroll optimizations, Po Lu, 2022/05/08
- Re: Stipples and scroll optimizations, Eli Zaretskii, 2022/05/08
- Re: Stipples and scroll optimizations, Po Lu, 2022/05/08
- Re: Stipples and scroll optimizations, Eli Zaretskii, 2022/05/08
- Re: Stipples and scroll optimizations, Po Lu, 2022/05/08
- Re: Stipples and scroll optimizations, Eli Zaretskii, 2022/05/08
- Re: Stipples and scroll optimizations, Po Lu, 2022/05/08
- Re: Stipples and scroll optimizations, Eli Zaretskii, 2022/05/08
- Re: Stipples and scroll optimizations, Po Lu, 2022/05/08
- Re: Stipples and scroll optimizations, Po Lu, 2022/05/08