Get raw data of Xrender Picture structure

Peter Harris peter.harris at
Mon Dec 8 14:47:02 PST 2008

McDonald, Michael-p7438c wrote:
>> -----Original Message-----
>> From: xorg-bounces at 
>> [mailto:xorg-bounces at] On Behalf Of 
>> Clemens Eisserer
>> If its a pixmap, you can read it back using XGetImage or its 
>> SHM variation.
>> However keep in mind this is slow and suboptimal.
>   What's the fast and optimal way?

Don't read it back. Do your image manipulation entirely on the server side.

Peter Harris
     Hummingbird Connectivity - A Division of Open Text
Peter Harris          
Research and Development        Phone: +1 905 762 6001
peter.harris at    Toll Free: 1 877 359 4866

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