API Reference

Reference for the ABBYY FineReader Engine 12 API: objects, interfaces, methods, and parameters for OCR, layout analysis, and document export.

The API Reference section applies to Linux, macOS, and Windows.

This section contains the description of ABBYY FineReader Engine API which helps you to:

• Use main functions and global settings:
  • Functions
  • Engine Object (IEngine Interface)
  • Engine Loaders (Win)
• Manage your licenses
• Work with images and prepare them for processing
• Tune the processing settings:
  • languages and dictionary words
  • parameters
  • auxiliary settings
• Process the documents:
  • via FRDocument and document-related objects
  • or via BatchProcessor receiving images from queue (Windows and Linux)
• Get the results:
  • details of the page layout
  • full text and formatting
• Compare documents
• Classify documents
• Scan paper documents (Win) or Export large documents in batches (Linux and macOS)

You may also find the additional information about ABBYY FineReader Engine functionality in:

• Alphabetical List of the Objects and Interfaces
• Object Diagram
• Enumerations
• Return Codes