How to change the X view port!

Carlos Eduardo Rodrigues Diogenes cerdiogenes at
Mon Jun 27 11:20:02 PDT 2005

Keith Packard wrote:

>>So, what I want to know is if we have some way in X or if it can be 
>>easely implemented to chage the part of the screen that is clipped and 
>>send to display, so when the user move the pointer in direction of the 
>>magnified screen, the pointer don't go in the magnified screen, but the 
>>half screen start to appear? What I think that must be done is change 
>>the origin clipping coordinate to be clipped foward.
>Have you looked at my demonstration of a full-screen magnifier
>application called 'diopter' in /cvs/xapps on  I built
>this as a demonstration for the FSG accessibility workshop last January
>in Hawaii.
>It shows a full-screen magnifier that passes input to the underlying
>windows using an updated version of the Shape extension.
I try to run it and I get the following error:

error 2 request 78 minor 0
error 8 request 1 minor 0
error 3 request 128 minor 1
Segmentation fault

Do you know what it can be???


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