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From: "Christopher M. Miles" <numbchild@gmail.com>
Cc: "Christopher M. Miles" <numbchild@gmail.com>, emacs-orgmode@gnu.org
Subject: [SOLVED] Re: [QUESTION] How to specific image size attributes under headline scope?
Date: Sun, 11 Sep 2022 10:25:17 +0800	[thread overview]
Message-ID: <m2pmg2640w.fsf@numbchild@gmail.com> (raw)
In-Reply-To: <PAXPR08MB6640301DBBDE78E3AC845CEDA39F9@PAXPR08MB6640.eurprd08.prod.outlook.com>

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"Christopher M. Miles" <numbchild@gmail.com> writes:

> [[PGP Signed Part:Undecided]]
> There is attributes setting above image link to specify image inline preview size. Like this:
>
> #+begin_src org
> ,#+ATTR_ORG: :width 500
> ,#+ATTR_LATEX: :width 5.0in
> ,#+ATTR_HTML: :width 500px
> [[file:kk/88320740_p0.jpg]]
>
> #+end_src
>
> When I put it on beginning of org document, then preview inline images, but those global attributes
> not affected. The inline images still display in actual image size. I want to specify image size
> under headline properties. Is it possible to do this?

I implemented this feature by written a hook. Hope this can be helpful
for someone who also has this needs. Here is the code:

#+begin_src emacs-lisp
;;; auto display inline images under current TAB cycle expanded "visible" subtree.
(defun org-display-subtree-with-inline-images (&optional state)
  "Toggle the display of inline images under current expanded visible subtree.
INCLUDE-LINKED is passed to `org-display-inline-images'."
  (interactive)
  ;; (not (memq state '(overview folded contents))) ; global state change
  (let ((display-inline-images-local
         (lambda (beg end)
           (org-display-inline-images t t beg end)
           ;; display number of inline images which is intersection of two image overlays lists.
           ;; (message "%d images displayed inline"
           ;;          (length (cl-intersection org-inline-image-overlays (overlays-in beg end))))
           ))
        (hide-inline-images-local
         (lambda ()
           (setq org-inline-image-overlays nil) ; (org-remove-inline-images)
           (message "Inline image display turned off")))
        (inline-image-width-override ; get headline property value as inline image width.
         (lambda ()
           ;; The property "INLINE-IMAGE-WIDTH" value should be integer.
           (let* ((property-value (ignore-errors (org-property-or-variable-value 'INLINE-IMAGE-WIDTH)))
                  (width-integer (or (and property-value
                                          (if (numberp property-value) property-value (string-to-number property-value)))
                                     (- (/ (window-width (selected-window) t) 2) 100))))
             (setq-local org-image-actual-width width-integer)))))
    (pcase state
      ('children
       (save-excursion
         (save-restriction
           (org-narrow-to-subtree)
           ;; If has nested headlines, beg,end only from parent headline
           ;; to first child headline which reference to upper let-binding
           ;; `org-next-visible-heading'.
           (funcall display-inline-images-local (point-min) (progn (org-next-visible-heading 1) (point))))))
      ('subtree
       (save-excursion
         (save-restriction
           (org-narrow-to-subtree)
           (funcall inline-image-width-override)
           ;; If has nested headlines, also inline display images under all sub-headlines.
           (funcall display-inline-images-local (point-min) (point-max)))))
      ('folded
       (funcall hide-inline-images-local)))))

(add-to-list 'org-default-properties "INLINE-IMAGE-WIDTH")

(add-hook 'org-cycle-hook #'org-display-subtree-with-inline-images)

(define-key org-mode-map (kbd "C-c C-x C-v") 'org-display-subtree-with-inline-images)
#+end_src

-- 

[ stardiviner ]
I try to make every word tell the meaning that I want to express without misunderstanding.

Blog: https://stardiviner.github.io/
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  parent reply	other threads:[~2022-09-11  2:26 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-22  6:34 [QUESTION] How to specific image size attributes under headline scope? Christopher M. Miles
2021-11-22 18:31 ` Timothy
2022-08-18 12:44   ` Christopher M. Miles
     [not found]   ` <m2o7whra7j.fsf@numbchild>
2022-08-22 17:10     ` Timothy
2022-08-23  0:24       ` Christopher M. Miles
2022-09-11  2:20 ` [SOLVED] " Christopher M. Miles
2022-09-11  2:25 ` Christopher M. Miles [this message]
     [not found] ` <631d472b.c80a0220.2b4b2.bf86SMTPIN_ADDED_BROKEN@mx.google.com>
2022-09-11 12:34   ` Ihor Radchenko
2022-09-12  1:54     ` [PATCH] " Christopher M. Miles
2022-09-12  1:59     ` [PATCH] New: auto display inline images under subtree when `org-cycle' Christopher M. Miles
     [not found]     ` <m2wna9bbc2.fsf@numbchild>
2022-09-12  6:03       ` [ISSUE] " Christopher M. Miles
     [not found]     ` <631e92ee.050a0220.f9c18.92f5SMTPIN_ADDED_BROKEN@mx.google.com>
2022-09-12 10:51       ` Ihor Radchenko
2022-09-13  1:09         ` [PATCH 2] " Christopher M. Miles
     [not found]         ` <m2leqogiz8.fsf@numbchild>
2022-09-13  1:48           ` [PATCH 3] " Christopher M. Miles
     [not found]           ` <631fe1c9.050a0220.3ab2b.3f52SMTPIN_ADDED_BROKEN@mx.google.com>
2022-09-15  3:27             ` Ihor Radchenko
2022-09-15  4:53               ` [PATCH 4] " Christopher M. Miles
     [not found]               ` <6322b0a8.050a0220.59bb8.6923SMTPIN_ADDED_BROKEN@mx.google.com>
2022-09-15  8:47                 ` Ihor Radchenko
2022-09-15  9:43                   ` [PATCH 5] " Christopher M. Miles
     [not found]                   ` <6322f5ad.c80a0220.5e936.823eSMTPIN_ADDED_BROKEN@mx.google.com>
2022-09-20  7:01                     ` [PATCH v6] " Ihor Radchenko
2022-09-20 11:32                       ` [PATCH v6] " Christopher M. Miles
     [not found]                       ` <6329c8b0.050a0220.412d.0a6cSMTPIN_ADDED_BROKEN@mx.google.com>
2022-09-21  7:54                         ` Ihor Radchenko
2022-09-28 12:55                           ` [PATCH 2-v1] " Christopher M. Miles
     [not found]                           ` <633454e3.050a0220.7278b.1fa5SMTPIN_ADDED_BROKEN@mx.google.com>
2022-09-29  3:05                             ` Ihor Radchenko
2022-09-29  6:06                               ` Christopher M. Miles
2022-09-29  6:57                               ` [PATCH 2-v1 (test v1)] " Christopher M. Miles
     [not found]                               ` <63353c69.370a0220.67788.e8a1SMTPIN_ADDED_BROKEN@mx.google.com>
2022-09-30  3:19                                 ` [PATCH 2-v1] " Ihor Radchenko
2022-09-30  8:27                                   ` [PATCH 2-v2] " Christopher M. Miles
     [not found]                                   ` <6336a955.050a0220.4e72e.2b23SMTPIN_ADDED_BROKEN@mx.google.com>
2022-10-01  3:16                                     ` Ihor Radchenko
2022-10-01  9:51                                       ` [PATCH 2-v3] " Christopher M. Miles
     [not found]                                       ` <63380f57.370a0220.a9d9a.dee8SMTPIN_ADDED_BROKEN@mx.google.com>
2022-10-03  3:21                                         ` Ihor Radchenko
2022-10-03  4:37                                           ` [PATCH 2-v4] " Christopher M. Miles
     [not found]                                           ` <633a67d8.050a0220.733e8.e57dSMTPIN_ADDED_BROKEN@mx.google.com>
2022-10-04  4:36                                             ` Ihor Radchenko
2022-10-04  7:27                                               ` Christopher M. Miles
     [not found]                                               ` <633be6d3.370a0220.4060.bacdSMTPIN_ADDED_BROKEN@mx.google.com>
2022-10-08  7:53                                                 ` Ihor Radchenko
2022-10-08  9:50                                                   ` Christopher M. Miles
     [not found]                                                   ` <634149f4.c80a0220.1376.e564SMTPIN_ADDED_BROKEN@mx.google.com>
2022-10-09  7:21                                                     ` Ihor Radchenko
2022-10-10  8:40                                                       ` Christopher M. Miles
     [not found]                                                       ` <m2v8os5aqy.fsf@numbchild>
2022-10-22  1:29                                                         ` Christopher M. Miles
2022-10-23  4:33                                                           ` Ihor Radchenko
2022-10-23  7:14                                                             ` Christopher M. Miles
2022-10-25  7:23                                                               ` Ihor Radchenko
2022-10-25 14:22                                                                 ` [PATCH v3] " Christopher M. Miles
2022-10-26  4:50                                                                   ` Ihor Radchenko

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