GNU bug report logs - #47035
27.1; XBM wrong display with :rotation 90/270

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: ynyaaa <at> gmail.com
To: bug-gnu-emacs <at> gnu.org
Subject: 27.1; XBM wrong display with :rotation 90/270
Date: Wed, 10 Mar 2021 18:04:05 +0900

Rotated XBM images may be displayed wrongly.
The original image in the form below is a horizontal stripe.
But the images rotated 90 or 270 degrees are displayed as solid black
squares.

(let ((xbm (unibyte-string 255 0 255 0 255 0 255 0)))
  (dolist (r '(0 90 180 270))
    (insert-image (create-image xbm 'xbm t :width 8 :height 8
                                :rotation r :scale 1))))



In GNU Emacs 27.1 (build 1, x86_64-w64-mingw32)
 of 2020-08-22 built on CIRROCUMULUS
Repository revision: 86d8d76aa36037184db0b2897c434cdaab1a9ae8
Repository branch: HEAD
Windowing system distributor 'Microsoft Corp.', version 10.0.18363
System Description: Microsoft Windows 10 Pro (v10.0.1909.18363.1379)

Recent messages:

Configured using:
 'configure --without-dbus --host=x86_64-w64-mingw32
 --without-compress-install 'CFLAGS=-O2 -static''

Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY W32NOTIFY ACL GNUTLS LIBXML2
HARFBUZZ ZLIB TOOLKIT_SCROLL_BARS MODULES THREADS JSON PDUMPER LCMS2 GMP

Important settings:
  value of $LANG: JPN
  locale-coding-system: cp932

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message rmc puny dired dired-loaddefs
format-spec rfc822 mml mml-sec password-cache epa derived epg epg-config
gnus-util rmail rmail-loaddefs text-property-search time-date subr-x seq
byte-opt gv bytecomp byte-compile cconv mm-decode mm-bodies mm-encode
mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047
rfc2045 ietf-drums mm-util mail-prsvr mail-utils help-fns radix-tree
cl-print debug backtrace help-mode easymenu find-func cl-loaddefs cl-lib
term/bobcat japan-util tooltip eldoc electric uniquify ediff-hook
vc-hooks lisp-float-type mwheel dos-w32 ls-lisp disp-table term/w32-win
w32-win w32-vars term/common-win tool-bar dnd fontset image regexp-opt
fringe tabulated-list replace newcomment text-mode elisp-mode lisp-mode
prog-mode register page tab-bar menu-bar rfn-eshadow isearch timer
select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
term/tty-colors frame minibuffer cl-generic cham georgian utf-8-lang
misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms
cp51932 hebrew greek romanian slovak czech european ethiopic indian
cyrillic chinese composite charscript charprop case-table epa-hook
jka-cmpr-hook help simple abbrev obarray cl-preloaded nadvice loaddefs
button faces cus-face macroexp files text-properties overlay sha1 md5
base64 format env code-pages mule custom widget hashtable-print-readable
backquote threads w32notify w32 lcms2 multi-tty make-network-process
emacs)

Memory information:
((conses 16 54129 9199)
 (symbols 48 6492 1)
 (strings 32 18398 1566)
 (string-bytes 1 570446)
 (vectors 16 11513)
 (vector-slots 8 217466 13672)
 (floats 8 24 44)
 (intervals 56 284 46)
 (buffers 1000 13))

Message #8 received at 47035 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: ynyaaa <at> gmail.com
Cc: 47035 <at> debbugs.gnu.org
Subject: Re: bug#47035: 27.1; XBM wrong display with :rotation 90/270
Date: Wed, 10 Mar 2021 16:12:48 +0100

ynyaaa <at> gmail.com writes:

> Rotated XBM images may be displayed wrongly.
> The original image in the form below is a horizontal stripe.
> But the images rotated 90 or 270 degrees are displayed as solid black
> squares.
>
> (let ((xbm (unibyte-string 255 0 255 0 255 0 255 0)))
>   (dolist (r '(0 90 180 270))
>     (insert-image (create-image xbm 'xbm t :width 8 :height 8
>                                 :rotation r :scale 1))))

I'm unable to reproduce this in Emacs 27.1 (or Emacs 28) on
Debian/bullseye, so it may be a Windows-specific problem.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #11 received at 47035 <at> debbugs.gnu.org (full text, mbox):

From: Alan Third <alan <at> idiocy.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: ynyaaa <at> gmail.com, 47035 <at> debbugs.gnu.org
Subject: Re: bug#47035: 27.1; XBM wrong display with :rotation 90/270
Date: Wed, 10 Mar 2021 21:56:03 +0000

On Wed, Mar 10, 2021 at 04:12:48PM +0100, Lars Ingebrigtsen wrote:
> ynyaaa <at> gmail.com writes:
> 
> > Rotated XBM images may be displayed wrongly.
> > The original image in the form below is a horizontal stripe.
> > But the images rotated 90 or 270 degrees are displayed as solid black
> > squares.
> >
> > (let ((xbm (unibyte-string 255 0 255 0 255 0 255 0)))
> >   (dolist (r '(0 90 180 270))
> >     (insert-image (create-image xbm 'xbm t :width 8 :height 8
> >                                 :rotation r :scale 1))))
> 
> I'm unable to reproduce this in Emacs 27.1 (or Emacs 28) on
> Debian/bullseye, so it may be a Windows-specific problem.

I suspect this is the same problem as bug#46556.
-- 
Alan Third

Message #14 received at 47035 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Alan Third <alan <at> idiocy.org>
Cc: ynyaaa <at> gmail.com, 47035 <at> debbugs.gnu.org
Subject: Re: bug#47035: 27.1; XBM wrong display with :rotation 90/270
Date: Mon, 20 Jun 2022 10:33:44 +0200

Alan Third <alan <at> idiocy.org> writes:

> I suspect this is the same problem as bug#46556.

Looks like it, so I'm merging the two.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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