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bug#34138: 27.0.50; Delayed display of PDF file images
From: |
martin rudalics |
Subject: |
bug#34138: 27.0.50; Delayed display of PDF file images |
Date: |
Sun, 20 Jan 2019 10:17:37 +0100 |
> Since a recent commit, I'm seeing a delay in the display of PDF files as
> images (both with -Q and with my initializations). I see this in both
> doc-view-mode and pdf-view-mode (from the pdf-tools package, available
> from MELPA). In doc-view-mode, on visiting a PDF file, it at first
> appears as raw PDF, as when visiting it in fundamental-mode, and only
> after a few seconds does the image appear.
I cannot see how 'doc-view-mode' could be possibly affected by the
changes you identified below. It doesn't run any of the affected
hooks. Have you tried running 'doc-view-mode' without loading
'pdf-view-mode'?
> The same happens in
> pdf-view-mode but there the delay is much longer -- with some files it
> takes close to a minute on my machine before the image is displayed,
> unless I provide keyboard input, which makes the image appear
> immediately.
These might be related although going through the sources of
‘pdf-view-mode’ I cannot see any problem. 'pdf-util-window-attach'
uses a workaround for deleting a window after running
'window-configuration-change-hook' and there I see a different source
of trouble:
'display-buffer-split-below-and-attach' calls 'window--display-buffer'
with a fifth argument and that has been changed in another commit.
Please remove the display-buffer-mark-dedicated argument in that call
and see whether the problem persists. CC-ing Andreas to make an
appropriate change in pdf-util.el.
> In addition, in pdf-view-mode this appears in *Message*:
> Error during redisplay: (eval (pdf-misc-size-indication)) signaled
> (error "Invalid image specification: nil").
This should come from the 'image-display-size' call in
'pdf-view-image-size'. Could you get a backtrace for it?
> In doc-view-mode there is
> no such error message. Git bisect pinpoints this commit:
>
> e567ac1495..: Martin Rudalics 2019-01-11 Run window change functions
> during redisplay
martin
- bug#34138: 27.0.50; Delayed display of PDF file images, Stephen Berman, 2019/01/19
- bug#34138: 27.0.50; Delayed display of PDF file images,
martin rudalics <=
- bug#34138: 27.0.50; Delayed display of PDF file images, Andreas Politz, 2019/01/20
- bug#34138: 27.0.50; Delayed display of PDF file images, Stephen Berman, 2019/01/20
- bug#34138: 27.0.50; Delayed display of PDF file images, martin rudalics, 2019/01/20
- bug#34138: 27.0.50; Delayed display of PDF file images, Stephen Berman, 2019/01/20
- bug#34138: 27.0.50; Delayed display of PDF file images, Eli Zaretskii, 2019/01/20
- bug#34138: 27.0.50; Delayed display of PDF file images, Stephen Berman, 2019/01/20
- bug#34138: 27.0.50; Delayed display of PDF file images, Eli Zaretskii, 2019/01/20
- bug#34138: 27.0.50; Delayed display of PDF file images, Stephen Berman, 2019/01/20
- bug#34138: 27.0.50; Delayed display of PDF file images, Eli Zaretskii, 2019/01/20