Skip to content

Tag: framebuffer

Embedded Qt Mouse Pointer Not Showing Up

I’ve got a bit of an interesting problem here. There are plenty of threads I’ve found where people are working to hide or get rid of a cursor on an embedded Qt GUI…but I’m trying to get a cursor to show up on an embedded Qt GUI. I inherited a project that was ‘finished’ som…

How do I configure QT5 without Xlib

I am trying to configure (and build) QT5 static. I want it to draw to the framebuffer and use webkit. I searched the docs but I didn’t find anything on how I can do this without X. Does anyone know a way of doing this ? Answer Building Qt statically is totally orthogonal to the platform selection. Depen…

Linux Framebuffer set resolution correctly

I have a RaspberryPi and want to display an image fullscreen without xserver – so write it directly to the framebuffer. No problem here. But setting it fullscreen doesn’t work. yields: So I use resulting in If I now use fbi to display an image, or just fill the framebuffer /dev/urandom >> /d…

Paint Pixels to Screen via Linux FrameBuffer

I was recently struck by a curious idea to take input from /dev/urandom, convert relevant characters to random integers, and use those integers as the rgb/x-y values for pixels to paint onto the screen. I’ve done some research (here on StackOverflow and elsewhere) and many suggest that you can simply wr…