How to take a screenshot of the desktop?

[joaquinpereira]

Hi, I'm using your extension and I'm adding functionality that allows you to take a screenshot of the desktop and display it on a blank page to edit the capture with a basic editing plugin.

Basically I'm doing the following, when I click on the function I start recording in full-screen and I stop the capture in two seconds, then I take a capture of the div that contains the resulting video and I show it on a canvas, the problem of this is that if the computer is very slow or is very loaded sometimes no capture is brought.

So I'm asking you if there's a better way to do this by making sure you always bring a screenshot of the desktop, I do not know if you find a way to just bring the first frame of the video or something like that.

I apologize for my bad english, I am learning to handle it