[cairo-bugs] [Bug 15744] New: [Xlib] rotation confuses the backend

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Apr 28 07:01:44 PDT 2008


           Summary: [Xlib] rotation confuses the backend
           Product: cairo
           Version: 1.6.5
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: xlib backend
        AssignedTo: cworth at cworth.org
        ReportedBy: otte at gnome.org
         QAContact: cairo-bugs at cairographics.org

Created an attachment (id=16215)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=16215)

Here's a magic matrix that makes the Xlib backend screw up. The image backend
and the X fallback code renders it fine.

I shortly tried some obvious rotations, but couldn't make it fail, so I pasted
the matrix verbatim into the test. But I did enough of a job already, the
initial test was 300 lines long. ;)

I also shortly checked various other clipping and extend-none related bugs, but
they never where xlib specific, so I filed a new bug.

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