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bug#17944: 24.3.92; pos-visible-in-window-p with PARTIALLY is wrong for


From: YAMAMOTO Mitsuharu
Subject: bug#17944: 24.3.92; pos-visible-in-window-p with PARTIALLY is wrong for a large image in a wrapped line
Date: Sat, 05 Jul 2014 18:07:09 +0900
User-agent: Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.8 (Shij┼Ź) APEL/10.6 Emacs/22.3 (sparc-sun-solaris2.8) MULE/5.0 (SAKAKI)

This is different from Bug#17942, which has just been fixed.

Steps to reproduce:

1. $ emacs -Q -D &
2. Type the following expression and hit C-j in the *scratch* buffer.

  (save-excursion
    (goto-char (point-min))
    (insert-image (create-image "splash.png")))

3. M-:
   (progn
     (set-frame-width nil 20)
     (set-frame-height nil 10)
     (set-window-start nil (point-min))
     (pos-visible-in-window-p (point-min) nil t))
   RET

Result:

Returns (0 94 0 68 0 1) for me, whereas I expect 0 instead of 94 for
the Y-coordinate value.  If I add (insert ?\n) after (insert-image
...) to avoid line wrapping, then the result becomes (160 0 0 68 120
0) where the Y-coordinate value is 0 as expected.

                                     YAMAMOTO Mitsuharu
                                address@hidden

In GNU Emacs 24.3.92.1 (x86_64-apple-darwin13.2.0, GTK+ Version 3.12.2)
 of 2014-07-05 on YAMAMOTO-no-iMac.local
Repository revision: 117353 address@hidden
Windowing system distributor `The X.Org Foundation', version 11.0.11406000
Configured using:
 `configure --without-imagemagick LDFLAGS=-L/opt/local/lib
 CPPFLAGS=-I/opt/local/include'





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