GNU bug report logs - #763
multi-part images vs. image-mode

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From: Jason Rumney <jasonr <at> gnu.org>
To: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
Cc: 763 <at> debbugs.gnu.org, jidanni <at> jidanni.org
Subject: bug#763: multi-part images vs. image-mode
Date: Fri, 05 Sep 2008 06:53:32 +0800

Stefan Monnier wrote:
>>> http://www.npbmto.gov.tw/NPBO_C/Web/Data/Board/456-4.tif has seven parts,
>>> $ identify 456-4.tif
>>> 456-4.tif[0]
>>> 456-4.tif[1]...
>>> but using image-mode, one would never see or know more than the first.
>>>
>>>       
>> I've added the same support that we currently have for multi-image GIF files
>> to the TIFF support in CVS trunk.
>>     
>
>   
>> This doesn't really help the user discover that multiple images exist, and
>> there isn't currently a convenient way for non-programmers to select such
>> subimages for display, so I'm leaving this open as a wishlist for now.
>>     
>
> I can't find information about how to display (in Elisp) the
> various images.  Could someone clue me in as to where to find that info
> (etc/NEWS or Elisp manual) or if it's not there, could someone add
> it there?
>   

In the elisp manual there is an existing description of the :index 
property for GIF images. That description now also applies to TIFF. 
There isn't currently a user-level method of displaying these.

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