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Bug 581838 - gdk-pixbuf cannot open Vista's PNG-compressed .ico files
gdk-pixbuf cannot open Vista's PNG-compressed .ico files
Status: RESOLVED DUPLICATE of bug 551026
Product: gdk-pixbuf
Classification: Platform
Component: general
git master
Other All
: Normal normal
: ---
Assigned To: gdk-pixbuf-maint
gdk-pixbuf-maint
: 540783 634452 (view as bug list)
Depends on:
Blocks:
 
 
Reported: 2009-05-08 08:39 UTC by Pierre Ossman
Modified: 2014-10-22 16:52 UTC
See Also:
GNOME target: ---
GNOME version: 2.25/2.26

Attachments
thinlinc.ico (50.75 KB, image/vnd.microsoft.icon)
2009-05-10 08:36 UTC, Pierre Ossman 		Details

Description Pierre Ossman 2009-05-08 08:39:13 UTC 
Please describe the problem:
With the release of Vista, Microsoft added a new type of images to the .ico file. According to wikipedia, these contain a 256x256 image that has been compressed using PNG.

No GNOME application can currently open these icons, and I think it is glib that handles images for GNOME/GTK, so I'm filing the bug here.

Steps to reproduce:


Actual results:


Expected results:


Does this happen every time?


Other information:
Comment 1 Matthias Clasen 2009-05-10 06:12:25 UTC 
We'd probably need a couple of example images.
Comment 2 Pierre Ossman 2009-05-10 08:36:22 UTC 
Created attachment 134347 [details]
thinlinc.ico

Here is one icon. It's generated using IcoFX[1]. I'm afraid I don't have any generated by some other program available right now.

[1] http://icofx.ro/
Comment 3 Pierre Ossman 2009-05-10 08:41:26 UTC 
Btw, in case Microsoft extends the format in the future, it would be nice if the parser skipped entries it failed to parse instead of returning an error to the caller.
Comment 4 Javier Jardón (IRC: jjardon) 2009-12-08 01:18:20 UTC 
Still valid in 2.19.x branch
Comment 5 Felix Riemann 2010-11-13 12:44:59 UTC 
*** Bug 634452 has been marked as a duplicate of this bug. ***
Comment 6 Cosimo Cecchi 2011-09-13 04:25:52 UTC 
*** Bug 540783 has been marked as a duplicate of this bug. ***
Comment 7 Bastien Nocera 2014-10-22 16:52:41 UTC 
Bug 551026 is an earlier request for the same problem.

*** This bug has been marked as a duplicate of bug 551026 ***