Re: pangocairo on Mac: transformation matrix and fontsize

[Behdad Esfahbod <behdad behdad org>]

On 13-05-01 05:14 AM, Jun T. wrote:
> Today I upgraded pango to the latest version (1.34.0), and found that the fix
>
> https://git.gnome.org/browse/pango/commit/?id=b359bb484bc7d27a835cfd6d9ffcaed582ebf2ae
>
> has been reverted:
>
> Bug 694918 https://bugzilla.gnome.org/show_bug.cgi?id=694918
>
> Then my original problem reappears,

Where / when did you report your original problem?  I couldn't find any
reference about why I made the initial commit to begin with.  I assumed that I
just thought we need the same logic that we have in the pangocairo-fc backend
in other backends too.  I don't remember that commit having been based on any
actual report.

Kris, can you check the OS X backend and fix if needed?  Don't know about
win32, any volunteers?

behdad

> at least on Mac (I can't test on Windows).
> If I set CTM to (1/2)*unit_matrix, then an extra factor of 1/2 is mysteriously
> applied "somewhere" in the library and the fontsize is scaled not by 1/2
> but by 1/4=(1/2)*(1/2).
>
> Jun
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-- 
behdad
http://behdad.org/