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On 2012-09-10T13:37:18+00:00 BenjaminBerg wrote:

When the user calls into cairo_copy_path, cairo will convert the path to
user coordinates using "cairo_device_to_user". However, the path is
stored in *backend* coordinates (converted using the function
_cairo_gstate_user_to_backend).

This means that the result of cairo_copy_path is shifted by the device
offset of the target device.

https://bugzilla.gnome.org/show_bug.cgi?id=681475 is an example where
this causes troubles.

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-control-
center/+bug/1043769/comments/2

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On 2012-09-10T14:12:53+00:00 Chris Wilson wrote:

commit f34b87f6d76cbea93acd4a8c73c8c6a6b412a302
Author: Chris Wilson <ch...@chris-wilson.co.uk>
Date:   Mon Sep 10 15:09:18 2012 +0100

    path: Convert from backend coordinates back into user coordinates
    
    Fixes regression from commit 83bfd85a1378e61b8bdc3f554f5e07900311f61f
    Author: Chris Wilson <ch...@chris-wilson.co.uk>
    Date:   Fri Apr 23 19:45:26 2010 +0100
    
        Implement cairo_backend_t
    
    As there exists no public API to perform the operation we needed, and we
    failed to create one, the constructed path failed to correctly remove
    the device offset.
    
    Fixes copy-path under device translation.
    
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=54732
    Reported-by: Benjamin Berg <benja...@sipsolutions.net>
    Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-control-
center/+bug/1043769/comments/3

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On 2012-09-10T15:48:54+00:00 Dominik-rottsches wrote:

*** Bug 54446 has been marked as a duplicate of this bug. ***

Reply at: https://bugs.launchpad.net/ubuntu/+source/gnome-control-
center/+bug/1043769/comments/4


** Changed in: cairo
       Status: Unknown => Fix Released

** Changed in: cairo
   Importance: Unknown => Medium

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Title:
  Monitor image not clickable in display settings after the first time

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