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* bug#61816: 30.0.50; [PATCH] New user option 'doc-view-svg-honor-theme'
@ 2023-02-26 15:33 Manuel Giraud via Bug reports for GNU Emacs, the Swiss army knife of text editors
  2023-03-02 12:39 ` Eli Zaretskii
  0 siblings, 1 reply; 13+ messages in thread
From: Manuel Giraud via Bug reports for GNU Emacs, the Swiss army knife of text editors @ 2023-02-26 15:33 UTC (permalink / raw)
  To: 61816

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Hi,

Here is a new user option to make DocView, with SVG backend, honor the
current theme colors.


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From c8bf763dc0392ef9059044ff724aca825cd450be Mon Sep 17 00:00:00 2001
From: Manuel Giraud <manuel@ledu-giraud.fr>
Date: Sun, 26 Feb 2023 16:25:17 +0100
Subject: [PATCH] New user option 'doc-view-svg-honor-theme'

* lisp/doc-view.el (doc-view-svg-honor-theme): New user option
that makes SVG in DocView to follow the current theme.
(doc-view-insert-image): Use it.
---
 etc/NEWS         |  8 ++++++++
 lisp/doc-view.el | 19 +++++++++++++++----
 2 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/etc/NEWS b/etc/NEWS
index 4b0e4e6bd46..ea8297f932e 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -192,6 +192,14 @@ This command adds a docstring comment to the current defun.  If a
 comment already exists, point is only moved to the comment.  It is
 bound to 'C-c C-d' in 'go-ts-mode'.
 
+** DocView
+
+---
+*** New user option 'doc-view-svg-honor-theme'
+When set to non-nil, this option tells DocView to follow the current
+theme background and foreground colors instead of
+'doc-view-svg-background' and 'doc-view-svg-foreground'.
+
 \f
 * New Modes and Packages in Emacs 30.1
 
diff --git a/lisp/doc-view.el b/lisp/doc-view.el
index 0303fec67a6..5d2348a023f 100644
--- a/lisp/doc-view.el
+++ b/lisp/doc-view.el
@@ -237,17 +237,25 @@ doc-view-imenu-flatten
   :version "29.1")
 
 (defcustom doc-view-svg-background "white"
-  "Background color for svg images.
+  "Background color for svg images.  This is bypassed if
+`doc-view-svg-honor-theme' is non-nil.
 See `doc-view-mupdf-use-svg'."
   :type 'color
   :version "29.1")
 
 (defcustom doc-view-svg-foreground "black"
-  "Foreground color for svg images.
+  "Foreground color for svg images.  This is bypassed if
+`doc-view-svg-honor-theme' is non-nil.
 See `doc-view-mupdf-use-svg'."
   :type 'color
   :version "29.1")
 
+(defcustom doc-view-svg-honor-theme nil
+  "Does SVG foreground and background color honor the current
+theme."
+  :type 'boolean
+  :version "30.1")
+
 (defcustom doc-view-ghostscript-options
   '("-dSAFER" ;; Avoid security problems when rendering files from untrusted
     ;; sources.
@@ -1602,8 +1610,11 @@ doc-view-insert-image
                           (unless (member :transform-smoothing args)
                             (setq args `(,@args :transform-smoothing t)))
                           (when (eq doc-view--image-type 'svg)
-                            (setq args `(,@args :background ,doc-view-svg-background
-                                               :foreground ,doc-view-svg-foreground)))
+                            (if doc-view-svg-honor-theme
+                                (setq args `(,@args :background ,(face-background 'default)
+                                                    :foreground ,(face-foreground 'default)))
+                              (setq args `(,@args :background ,doc-view-svg-background
+                                                  :foreground ,doc-view-svg-foreground))))
 			  (apply #'create-image file doc-view--image-type nil args))))
 	     (slice (doc-view-current-slice))
 	     (img-width (and image (car (image-size image))))
-- 
2.39.1


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In GNU Emacs 30.0.50 (build 1, x86_64-unknown-openbsd7.2, cairo version
 1.17.8) of 2023-02-25 built on computer
Repository revision: 50b55656b9c5ce0d7940bec245f2d9725378d0a0
Repository branch: mgi/image-dired-sha1-content
Windowing system distributor 'The X.Org Foundation', version 11.0.12101006
System Description: OpenBSD computer 7.2 GENERIC.MP#1052 amd64

Configured using:
 'configure --prefix=/home/manuel/emacs --bindir=/home/manuel/bin
 --with-x-toolkit=no --without-sound --without-compress-install
 CPPFLAGS=-I/usr/local/include LDFLAGS=-L/usr/local/lib'

Configured features:
CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG JSON
LCMS2 LIBOTF LIBXML2 MODULES NOTIFY KQUEUE OLDXMENU PDUMPER PNG RSVG
SQLITE3 THREADS TIFF TREE_SITTER WEBP X11 XDBE XIM XINPUT2 XPM ZLIB

Important settings:
  value of $LC_ALL: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Dired by name

Minor modes in effect:
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  font-lock-mode: t
  blink-cursor-mode: t
  buffer-read-only: t
  line-number-mode: t
  indent-tabs-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
/home/manuel/.emacs.d/elpa/ef-themes-0.10.0/theme-loaddefs hides /home/manuel/emacs/share/emacs/30.0.50/lisp/theme-loaddefs
/home/manuel/.emacs.d/elpa/transient-0.3.7/transient hides /home/manuel/emacs/share/emacs/30.0.50/lisp/transient

Features:
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charprop case-table epa-hook jka-cmpr-hook help abbrev obarray oclosure
cl-preloaded button loaddefs theme-loaddefs faces cus-face macroexp
files window text-properties overlay sha1 md5 base64 format env
code-pages mule custom widget keymap hashtable-print-readable backquote
threads dbusbind kqueue lcms2 dynamic-setting system-font-setting
font-render-setting cairo xinput2 x multi-tty make-network-process
emacs)

Memory information:
((conses 16 1512155 229321)
 (symbols 48 82894 34)
 (strings 32 400421 16188)
 (string-bytes 1 11938432)
 (vectors 16 205097)
 (vector-slots 8 3788745 177059)
 (floats 8 1337 1048)
 (intervals 56 78970 13761)
 (buffers 984 173))

-- 
Manuel Giraud

^ permalink raw reply related	[flat|nested] 13+ messages in thread

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Thread overview: 13+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-02-26 15:33 bug#61816: 30.0.50; [PATCH] New user option 'doc-view-svg-honor-theme' Manuel Giraud via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-03-02 12:39 ` Eli Zaretskii
2023-03-02 13:12   ` Manuel Giraud via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-03-02 13:56     ` Eli Zaretskii
2023-03-02 15:40       ` Manuel Giraud via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-03-02 15:51         ` Eli Zaretskii
2023-03-02 15:57           ` Manuel Giraud via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-03-02 15:51         ` Manuel Giraud via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-03-02 16:32           ` Eli Zaretskii
2023-03-02 18:20             ` Manuel Giraud via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-03-09 10:06               ` Eli Zaretskii
2023-03-03  2:28           ` Visuwesh
2023-03-03  7:31             ` Eli Zaretskii

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