Fix: (taxy-magit-section-format-items) Only use visible frames

When server-mode is enabled, an invisible frame is present, which
still returns X from FRAMEP, but which should not be used for
calculating image sizes.

This should fix an "Invalid image size" error that was happening (when
such an invisible frame happened to be sorted first in FRAME-LIST).

See <alphapapa/ement.el#298 (comment)>.

README.org

@@ -34,7 +34,8 @@ This library renders [[https://github.com/alphapapa/taxy.el][Taxy]] structs with
 
 ** 0.14.3-pre
 
-Nothing new yet.
+*Fixes*
++ Only use visible frames when checking image sizes.  (See [[https://github.com/alphapapa/ement.el/issues/298#issuecomment-2369652629][Ement.el #298]].)
 
 ** 0.14.2
 

taxy-magit-section.el

@@ -404,7 +404,9 @@ the items' values for each column."
                                       (or window-system-frame
                                           (setf window-system-frame
                                                 (cl-loop for frame in (frame-list)
-                                                         when (member (framep frame) '(x w32 ns pgtk))
+                                                         when (and (frame-visible-p frame)
+                                                                   (memq (framep frame)
+                                                                         '(x w32 ns pgtk)))
                                                          return frame))
                                           (error "taxy-magit-section-format-items: No graphical frame to calculate image size"))))))
                         (_

taxy-magit-section.info

@@ -81,7 +81,10 @@ File: README.info,  Node: 0143-pre,  Next: 0142,  Up: Changelog
 2.1 0.14.3-pre
 ==============
 
-Nothing new yet.
+*Fixes*
+   • Only use visible frames when checking image sizes.  (See Ement.el
+     #298
+     (https://github.com/alphapapa/ement.el/issues/298#issuecomment-2369652629).)
 
 
 File: README.info,  Node: 0142,  Next: 0141,  Prev: 0143-pre,  Up: Changelog
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 Node: Changelog1236
 Node: 0143-pre1539
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-Node: Development4964
-Node: Credits5191
-Node: License5381
+Node: 01421811
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+Node: Credits5347
+Node: License5537
 
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