Hello! I need to draw one big image (a set of smaller pictures) across several displays. So, one picture could be cut by these displays. It's like Windows windows on two monitors. You can move, for instance, Chrome window as left part of it is displayed in one monitor, and right part on another. I plan to run it under Linux on Raspberry Pi (or something similar) without X Windows and I have monitors, connected by Ethernet with some high level slow interface. RAM should be enough, so I think that pixmap buffer could work well.