[Experience Sharing] Introduction to the HarmonyOS Scanning Subsystem

Application layer

• System application: The system has a built-in scanning application, which can use the basic scanning function
• Third-party applications: Third-party equipment manufacturers can develop applications with user interfaces and driver installation capabilities for more powerful scanning capabilities

Frame layer

• ScanManagerClient: provides Js to C++ data type conversion
• ScanManagerService: provides an interface for scanning services

SANE

• SANE-Service: provides SANE interface capabilities
• SANE driver: The preset driver comes with several open-source drivers, and the installed driver can be installed into the device by three parties