Linux gui/terminal distribution modify the output pixels/character buffer
Hello! How can I modify my linux output buffer? Example, how do I modify it so that each row 2nd consists of black pixels. Which part of linux system set up the buffer, which send to the screen? And how can I modify, example with a program?
your post is confusing, title, tags and content. you want terminal output to be colored or what?
it depends on how you want to do that, in userspace or lower level. I suggest you read about Linux frame buffer and its api. for low level approach, check" low level devel" channel on YouTube he has some interesting stuff there. look for : "Raspberry pi bare metal tutorial part 14 (hdmi video)"
Bahha🐧 Thanks for helping, I more like to do that in low level
Bahha🐧 I'm working with a raspberry pi 4 with a linux distribution installed and I want to modify the data which send to a monitor throught the HDMI port. That data can be modified, rewritten, edited in some way? And how can I do that?
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