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* bug#52200: 29.0.50; image-dired-cmd-create-standard-thumbnail-options
@ 2021-11-30 16:24 Peter Münster
  2021-12-09  2:01 ` Stefan Kangas
  0 siblings, 1 reply; 5+ messages in thread
From: Peter Münster @ 2021-11-30 16:24 UTC (permalink / raw)
  To: 52200


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Hi,

I'm a bit confused about
image-dired-cmd-create-standard-thumbnail-options:

- It seems, that it's not used with pngcrush or pngnq, so this test is
  perhaps useless:
  (unless (or image-dired-cmd-pngcrush-program
              image-dired-cmd-pngnq-program) ...
- If gm is used, then the "convert" command should be added.

The attached patch works for me, but probably I'm missing something...

-- 
           Peter

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diff --git a/lisp/image-dired.el b/lisp/image-dired.el
index 47a44a4a60..159f6a3b97 100644
--- a/lisp/image-dired.el
+++ b/lisp/image-dired.el
@@ -302,19 +302,17 @@ image-dired-cmd-optipng-options
   :link '(url-link "man:optipng(1)"))
 
 (defcustom image-dired-cmd-create-standard-thumbnail-options
-  (append '("-size" "%wx%h" "%f[0]")
-          (unless (or image-dired-cmd-pngcrush-program
-                      image-dired-cmd-pngnq-program)
-            (list
-             "-set" "Thumb::MTime" "%m"
-             "-set" "Thumb::URI" "file://%f"
-             "-set" "Description" "Thumbnail of file://%f"
-             "-set" "Software" (emacs-version)))
-          '("-thumbnail" "%wx%h>" "png:%t"))
+  (let ((opts (list "-size" "%wx%h" "%f[0]"
+              "-set" "Thumb::MTime" "%m"
+              "-set" "Thumb::URI" "file://%f"
+              "-set" "Description" "Thumbnail of file://%f"
+              "-set" "Software" (emacs-version)
+              "-thumbnail" "%wx%h>" "png:%t")))
+      (if (executable-find "gm") (cons "convert" opts) opts))
   "Options for creating thumbnails according to the Thumbnail Managing Standard.
 Available format specifiers are the same as in
 `image-dired-cmd-create-thumbnail-options', with %m for file modification time."
-  :version "26.1"
+  :version "29.1"
   :type '(repeat (string :tag "Argument")))
 
 (defcustom image-dired-cmd-rotate-original-program

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^ permalink raw reply related	[flat|nested] 5+ messages in thread

* bug#52200: 29.0.50; image-dired-cmd-create-standard-thumbnail-options
  2021-11-30 16:24 bug#52200: 29.0.50; image-dired-cmd-create-standard-thumbnail-options Peter Münster
@ 2021-12-09  2:01 ` Stefan Kangas
  2022-01-14  7:59   ` Peter Münster
  0 siblings, 1 reply; 5+ messages in thread
From: Stefan Kangas @ 2021-12-09  2:01 UTC (permalink / raw)
  To: Peter Münster; +Cc: 52200

Peter Münster <pm@a16n.net> writes:

> I'm a bit confused about
> image-dired-cmd-create-standard-thumbnail-options:
>
> - It seems, that it's not used with pngcrush or pngnq, so this test is
>   perhaps useless:
>   (unless (or image-dired-cmd-pngcrush-program
>               image-dired-cmd-pngnq-program) ...

I think the intention is that we shouldn't insert those text fields
twice.  See the removed code in commit 36b9973dec65 and also
`image-dired-cmd-pngcrush-options'.

Perhaps we could make this unconditional, but then what should we do
about `image-dired-cmd-pngcrush-options'?  Should the options be removed
from there?

> - If gm is used, then the "convert" command should be added.

Yes, I think you are right.





^ permalink raw reply	[flat|nested] 5+ messages in thread

* bug#52200: 29.0.50; image-dired-cmd-create-standard-thumbnail-options
  2021-12-09  2:01 ` Stefan Kangas
@ 2022-01-14  7:59   ` Peter Münster
  2022-09-15 17:59     ` Peter Münster
  0 siblings, 1 reply; 5+ messages in thread
From: Peter Münster @ 2022-01-14  7:59 UTC (permalink / raw)
  To: Stefan Kangas; +Cc: 52200

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On Wed, Dec 08 2021, Stefan Kangas wrote:

> Perhaps we could make this unconditional, but then what should we do
> about `image-dired-cmd-pngcrush-options'?  Should the options be removed
> from there?

I don't know...


>> - If gm is used, then the "convert" command should be added.
>
> Yes, I think you are right.

Ok, could you add this part of the patch then please?

TIA,
-- 
           Peter

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^ permalink raw reply	[flat|nested] 5+ messages in thread

* bug#52200: 29.0.50; image-dired-cmd-create-standard-thumbnail-options
  2022-01-14  7:59   ` Peter Münster
@ 2022-09-15 17:59     ` Peter Münster
  2022-09-16  0:39       ` Stefan Kangas
  0 siblings, 1 reply; 5+ messages in thread
From: Peter Münster @ 2022-09-15 17:59 UTC (permalink / raw)
  To: Stefan Kangas; +Cc: 52200

And here the same patch for the latest master:

diff --git a/lisp/image/image-dired-external.el b/lisp/image/image-dired-external.el
index 223d881bcf..fcf2e2edb6 100644
--- a/lisp/image/image-dired-external.el
+++ b/lisp/image/image-dired-external.el
@@ -128,15 +128,13 @@ image-dired-cmd-optipng-options
   :link '(url-link "man:optipng(1)"))
 
 (defcustom image-dired-cmd-create-standard-thumbnail-options
-  (append '("-size" "%wx%h" "%f[0]")
-          (unless (or image-dired-cmd-pngcrush-program
-                      image-dired-cmd-pngnq-program)
-            (list
-             "-set" "Thumb::MTime" "%m"
-             "-set" "Thumb::URI" "file://%f"
-             "-set" "Description" "Thumbnail of file://%f"
-             "-set" "Software" (emacs-version)))
-          '("-thumbnail" "%wx%h>" "png:%t"))
+  (let ((opts (list "-size" "%wx%h" "%f[0]"
+                    "-set" "Thumb::MTime" "%m"
+                    "-set" "Thumb::URI" "file://%f"
+                    "-set" "Description" "Thumbnail of file://%f"
+                    "-set" "Software" (emacs-version)
+                    "-thumbnail" "%wx%h>" "png:%t")))
+    (if (executable-find "gm") (cons "convert" opts) opts))
   "Options for creating thumbnails according to the Thumbnail Managing Standard.
 Available format specifiers are the same as in
 `image-dired-cmd-create-thumbnail-options', with %m for file modification time."

-- 
           Peter





^ permalink raw reply related	[flat|nested] 5+ messages in thread

* bug#52200: 29.0.50; image-dired-cmd-create-standard-thumbnail-options
  2022-09-15 17:59     ` Peter Münster
@ 2022-09-16  0:39       ` Stefan Kangas
  0 siblings, 0 replies; 5+ messages in thread
From: Stefan Kangas @ 2022-09-16  0:39 UTC (permalink / raw)
  To: Peter Münster; +Cc: 52200

close 52200 29.1
thanks

Peter Münster <pm@a16n.net> writes:

> And here the same patch for the latest master:

Sorry for the delay here.  Your patch LGTM and works for me, so I've
pushed it to master (commit 7ec31d3222).  Thanks.





^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2022-09-16  0:39 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-11-30 16:24 bug#52200: 29.0.50; image-dired-cmd-create-standard-thumbnail-options Peter Münster
2021-12-09  2:01 ` Stefan Kangas
2022-01-14  7:59   ` Peter Münster
2022-09-15 17:59     ` Peter Münster
2022-09-16  0:39       ` Stefan Kangas

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