[Xcb] XCBImage tests

[Barton C Massey]

In message <Pine.LNX.4.51.0504011748410.24850 at cartan.iecn.u-nancy.fr> you wrote:
> in xcb-demo, i've added 2 tests for XCBImage:
> 
> 1) julia: Use of XCBImage with a colormap
> 
> 2) lissajoux: animation of a lissajoux curve, with support of shm (if
> availaible), with a small bench at the end of the 20s length animation.

Excellent!!

> well, right now, the shm support is broken, and even sometimes, the
> standard one crashes. And i don't know why.
> 
> If someone, one day, wants to find out where are the bugs, i would be
> pleased to know :)

Jamey, Keithp, Josh and I are meeting today for a grand
debugging session.  Hope it will help :-).

> Another question : what filename should i use for the convenient functions
> that i want to write ? xcb-macros.c ? xcb-convenient.c ?

Maybe we need a convenience directory, with files like
  convenience/xcb-image.c
?

    Bart