Write some software

Mac C ya da C++ We have an application that work as in-office messenger for windows. It also has employee surveillance system and takes screenshots and saves to server. On Macos it runs via wine emulator but taking screenshot is not functional. We need a small native service for this purpose. * Application must be a service runs on background. * It must have an http server to respond screenshot requests made by messenger application running on wine emulator. * Request scheme will be [login to view URL][FULL,THUMB] * Http listen port must be configurable. * Http server must only respond local ([login to view URL]) requests. * Response must be in jpg format. * Thumbs must be generated by using resamplers.(for minimum distortion)