Writing to the framebuffer
How do pixels end up on the monitor? How the GUI is draw and can track which thing you click on?
Turn out, The image displayed on the monitor is stored in your computer’s video RAM on the graphics card in a structure called a framebuffer. So how can we manipulate it? This artcile use Python to show it, but you got the idea. Now you know you just need to write to framebuffer to change the monitor display.
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