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The Qt Virtual Framebuffer

May 13, 2010, 14:33 (0 Talkback[s])
(Other stories by Johan Thelin)

"Qt comes with a handy tool that lives a rather anonymous life in the tools/qvfb directory. This tool does wonders when it comes to demoing, training users and creating documentation.

"The QVFb, or Qt Virtual Framebuffer, is a tool that makes it possible to run Qt applications on a virtual system with a limited screen resolution, limited bit-depth, and with limited input abilities. All of this on your desktop (or laptop) PC, saving you the hazzles of cross-platform debugging, cross-compiling, transfering files to the target, etc.

"The trick with the QVFb is not really how to use it, but rather, how to build it. It is interesting enough that I've actually given a number of speeches on it. The problem is not that it is difficult to build, rather, that you have to build Qt two times to get a working environment."

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