Image to Blocks

Image To Blocks

How would one go achieving this? What would your approach be and any tips for
starting me off with this. I have no code, so im starting from scratch.
https://www.reddit.com/r/roblox/comments/db9cb8/image_generation_in_roblox_using_a_url_and_parts/

You would have to start off by loading the picture in some way shape or form and getting the colors/ rgb values of that pixel on the image and go about it like a printer does line by line pixel by pixel