How can the functionality of this module be implemented on the server side?

Question

PHP

floorstudio.esignserver1.com/my-floor/gallery.do
Actually - a module.
The server returns a picture with the new color scheme. I wonder how similar functionality is implemented or can be implemented on the server side?

Answer 1

Either graphics libraries and on-demand image manipulation utilities, or a prerender.
For better performance, I would choose the second one.
As for the tool, both gimp and photoshop support scripting.
You can look for something more highly specialized