Is there a defined xpixmap width limit?

Emmanuel Thomas-Maurin manutm007 at gmail.com
Fri Apr 22 08:44:33 PDT 2011


On 04/22/2011 04:48 PM, Michael Stapelberg wrote:
> Hi Emmanuel,
> 
> Excerpts from Emmanuel Thomas-Maurin's message of 2011-04-22 14:31:04 +0200:
>> I've been searching for this for a while: Is there a width and height
>> limit for xpixmaps? I'm using GTK and I know GDK pixmaps and windows
>> can't be wider than 65535. And I suspect for X, it's 32767.
> As the width/height fields in the CreatePixmap request are CARD16s, the highest
> value is (2^16)-1 = 65535. This is documented in the X protocol, see
> http://www.x.org/releases/X11R7.6/doc/xproto/x11protocol.pdf (page 56 in the
> pdf).
> 
> Best regards,
> Michael

Thanks Michael, that's what I was looking for. Maybe the results I got
from the test come from some specific implementation that's not 100 %
fully compliant with the protocol but that's really not that important
anyways.

Best regards,
Manu

-- 
Emmanuel Thomas-Maurin <manutm007 at gmail.com>



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