GNU bug report logs - #32932
27.0.50; render bugs on macOS Mojave

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Message #107 received at 32932 <at> debbugs.gnu.org (full text, mbox):

From: Aaron Jensen <aaronjensen <at> gmail.com>
To: Alan Third <alan <at> idiocy.org>
Cc: Boris Buliga <boris <at> d12frosted.io>, 32932 <at> debbugs.gnu.org
Subject: Re: bug#32932: 27.0.50; render bugs on macOS Mojave
Date: Wed, 31 Oct 2018 21:51:32 -0700

[Message part 1 (text/plain, inline)]

On October 31, 2018 at 10:13:01 AM, Alan Third
(alan <at> idiocy.org(mailto:alan <at> idiocy.org)) wrote:

> I was hoping I’d manage to get something going with this but it’s
> completely fine here. Does the line blank, then redraw, then the image
> loads in its new buffer?

AFAICT it blanks, then loads the buffer. If I go back to the previous
buffer the line is filled in. If I attempt to load the same image
again, it does not blank. It’s only the first time for each image.

> Something is blanking the line. There are only so many places where
> that happens so in theory it should be relatively straight‐forward to
> find the place in question. Perhaps start by commenting out the
> NSRectFill commands in ns_clear_frame and ns_clear_frame_area.

I commented out every single NSRectFill and it still did it. It’s
fast, but gif attached.

I tried commenting out the setNeedsDisplay but that breaks rendering entirely.

[line.gif (image/gif, attachment)]

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