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bug#42272: 27.0.91; [PATCH] Fix doc-view rescale


From: Fu, Yuan
Subject: bug#42272: 27.0.91; [PATCH] Fix doc-view rescale
Date: Wed, 8 Jul 2020 19:30:34 +0000

In Emacs 27, doc-view doesn’t to image rescaling if imagemagick is not present. However, since we have native image rescaling now, we want to rescale regardless of imagemagick. I also added convenient centering commands to doc-view.el. Note that the patch is made on Emacs master branch.

Yuan



In GNU Emacs 27.0.91 (build 1, x86_64-apple-darwin19.5.0, NS appkit-1894.50 Version 10.15.5 (Build 19F101))
of 2020-07-07 built on missSilver
Windowing system distributor 'Apple', version 10.3.1894
System Description:  Mac OS X 10.15.5

Recent messages:
Auto-saving...done
Mark set
previous-line: Beginning of buffer [3 times]
Auto-saving...done
Saving file /Users/yuan/emacs/.git/COMMIT_EDITMSG...
Wrote /Users/yuan/emacs/.git/COMMIT_EDITMSG
Starting new Ispell process aspell with default dictionary...done
Git finished
user-error: Beginning of history; no preceding item
Sh finished

Configured using:
'configure --with-modules --with-pdumper=yes
--oldincludedir=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/libxml2/
--with-ns
PKG_CONFIG_PATH=/usr/local/Cellar/zlib/1.2.8/lib/pkgconfig:/usr/local/lib/pkgconfig:/opt/X11/lib/pkgconfig'

Configured features:
RSVG DBUS GLIB NOTIFY KQUEUE ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS
XIM NS MODULES THREADS JSON PDUMPER LCMS2

Important settings:
  value of $LANG: en_CN.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Emacs-Lisp

Minor modes in effect:
  global-magit-file-mode: t
  magit-file-mode: t
  global-git-commit-mode: t
  async-bytecomp-package-mode: t
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  desktop-save-mode: t
  which-function-mode: t
  color-outline-mode: t
  hi-lock-mode: t
  info-pretty-mode: t
  wucuo-mode: t
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  yas-minor-mode: t
  minibuffer-electric-default-mode: t
  flymake-mode: t
  minions-mode: t
  eyebrowse-mode: t
  savehist-mode: t
  global-hl-todo-mode: t
  hl-todo-mode: t
  global-highlight-parentheses-mode: t
  highlight-parentheses-mode: t
  rainbow-delimiters-mode: t
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  electric-quote-mode: t
  electric-indent-mode: t
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  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t
  hs-minor-mode: t

Load-path shadows:
/Users/yuan/.emacs.d/package/jsonrpc-1.0.12/jsonrpc hides /Applications/Emacs.app/Contents/Resources/lisp/jsonrpc
/Users/yuan/.emacs.d/package/xref-1.0.1/xref hides /Applications/Emacs.app/Contents/Resources/lisp/progmodes/xref
/Users/yuan/.emacs.d/package/project-0.5.0/project hides /Applications/Emacs.app/Contents/Resources/lisp/progmodes/project
/Users/yuan/.emacs.d/package/faceup-20170925.1946/faceup hides /Applications/Emacs.app/Contents/Resources/lisp/emacs-lisp/faceup
/Users/yuan/.emacs.d/package/eldoc-1.0.0/eldoc hides /Applications/Emacs.app/Contents/Resources/lisp/emacs-lisp/eldoc
/Applications/Emacs.app/Contents/Resources/lisp/mail/metamail hides /Applications/Emacs.app/Contents/Resources/lisp/obsolete/metamail
/Applications/Emacs.app/Contents/Resources/lisp/sb-image hides /Applications/Emacs.app/Contents/Resources/lisp/obsolete/sb-image

Features:
(shadow sort mail-extr emacsbug sendmail magit-extras
magit-patch-changelog magit-patch magit-bookmark magit-submodule
magit-obsolete magit-blame magit-stash magit-reflog magit-bisect
magit-push magit-pull magit-fetch magit-clone magit-remote magit-commit
magit-sequence magit-notes magit-worktree magit-tag magit-merge
magit-branch magit-reset magit-files magit-refs magit-status magit
magit-repos magit-apply magit-wip magit-log magit-diff smerge-mode diff
magit-core magit-autorevert autorevert magit-margin magit-transient
magit-process magit-mode git-commit transient magit-git magit-section
magit-utils crm log-edit message rfc822 mml mml-sec epa derived epg
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japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european
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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 dbusbind kqueue
cocoa ns lcms2 multi-tty make-network-process emacs)

Memory information:
((conses 16 133108 66388)
(symbols 48 10974 7)
(strings 32 38509 14005)
(string-bytes 1 1141424)
(vectors 16 20975)
(vector-slots 8 273883 72414)
(floats 8 81 468)
(intervals 56 1667 452)
(buffers 1000 26))

Attachment: doc-view.patch
Description: doc-view.patch


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