[cairo-bugs] [Bug 69796] HiDPI scaling not working with quartz cairo_surface_create_similar() implementation

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Sep 7 06:26:55 PDT 2015


Andrea Canciani <ranma42 at gmail.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |ASSIGNED

--- Comment #8 from Andrea Canciani <ranma42 at gmail.com> ---
The patches contains some typos, but they are trivial to fix.
Since this patch breaks the normal 1-to-1 mapping of the units, which is
assumed to hold in most of the code elsewhere, it would be very desirable to
make it possible to test it. I believe that the most effective way to do this
is to add a new target in boilerplate/cairo-boilerplate-quartz.c, so that the
whole test suite can run on surfaces with HiDPI enabled.

In particular, I expect that everything works just fine as long as Quartz is
doing the rendering, but I am worried that fallbacks might break (I'm not sure
if the implementation of map-to-image would still be valid).

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