Re: XRandR transform (keystone correction) not working as I would expect

2013-10-02 Thread AJ Heller
Oh good! That works well. Thank you very much, Glynn. I had it backwards. Hopefully my experience here can be of some help. The man page section for --transform is a bit misleading. For example: > The final device coordinates of the pixel are then calculated with the so-called homogenic division

Re: XRandR transform (keystone correction) not working as I would expect

2013-10-02 Thread Glynn Clements
AJ Heller wrote: > I implemented a transformation matrix to pinch the top of my screen 100px > on each side. My hope is for the resulting image to be an isosceles > trapezoid (trapezium) with the smaller base on top, larger base on bottom > filling the width of the screen, and with no part of the

XRandR transform (keystone correction) not working as I would expect

2013-10-01 Thread AJ Heller
I implemented a transformation matrix to pinch the top of my screen 100px on each side. My hope is for the resulting image to be an isosceles trapezoid (trapezium) with the smaller base on top, larger base on bottom filling the width of the screen, and with no part of the image missing or drawn off